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Part 1: Model Articles for Electrical Discipline
In power construction project Electrical discipline It is mainly responsible for the production and transmission of electric energy and the distribution of electric energy. The civil construction is relatively independent, and the foundation design is carried out according to the characteristics of the building itself, so as to complete the construction of the entire building project. The electrical equipment installation and electrical pipeline laying in the electrical discipline are closely related to the civil engineering discipline. Civil engineering specialty and electrical specialty have their own specialty and independence, while they restrict and cooperate with each other.
2. The significance of electrical and civil engineering cooperation in power construction engineering
The construction process of electric power construction project includes many professional projects, which need the cooperation of different disciplines to complete the construction process. These disciplines are interrelated in many aspects. Only when these disciplines cooperate and coordinate with each other can the whole project be successfully completed. The electrical specialty is closely related to the civil engineering specialty. In specific construction, the electrical specialty lags behind the civil engineering specialty to a certain extent. If the construction personnel of different disciplines do not cooperate with each other, the work of the other will be interfered and affected, which is not conducive to the smooth construction of the project. Therefore, in the process of project construction, it is necessary to pay attention to the coordination and cooperation of various construction projects for the smooth completion of the entire construction project. During construction, attention must be paid to the cooperation between civil engineering and electrical engineering to ensure the smooth construction of the project.
3 Existing problems in installation and construction of electrical discipline and civil engineering discipline at present
3.1 Quality problems of construction materials
In the construction process of power construction project, the quality of construction materials directly affects the quality of the whole project. At present, in the process of engineering construction, there is a widespread problem of unqualified construction materials. Therefore, timely acceptance of all materials is required during the construction process to achieve strict quality control. The quality problem of construction materials in civil engineering will lead to poor insulation, high temperature coefficient, low melting point and other problems in the electrical discipline, which will affect the smooth progress of the entire project.
3.2 The comprehensive quality of construction personnel is not high
The overall comprehensive quality of the construction personnel of China's power construction projects needs to be improved. Most of the construction personnel do not have professional construction skills, and the equipment operation is not standardized. At present, in the process of engineering construction, many electrical construction personnel have mastered electrical professional knowledge, but do not know about other professional construction knowledge. There are also some electrical construction personnel who have rich on-site construction experience, lack of theoretical knowledge of electrical discipline, and lack of understanding of construction design drawings, often leading to the wrong location of reserved pipelines in electrical engineering. During the construction of power engineering, the construction personnel shall have certain professional knowledge of power engineering during the construction of embedded pipelines and power equipment. Generally, the construction personnel of the civil engineering discipline are civil construction personnel, and they cannot successfully complete the installation of electrical equipment and pipeline embedding work of the electrical discipline. In this case, in the process of project construction, different professions do not fully understand each other, which will lead to mutual influence and mutual restriction.
3.3 Problems during construction
The cooperation of electrical and civil engineering disciplines will be affected by many factors. If problems occur during the installation of pipelines and equipment in the electrical discipline, there will be potential safety hazards. During the construction process, the construction enterprise needs to take effective measures to timely feedback and check the project quality. Electric power construction enterprises need to train construction personnel with modern construction safety management concepts, do a good job in supervision and management of construction projects, and timely inspect the pipeline laying and equipment installation of electrical specialty to ensure construction safety and quality.
4 Suggested measures for cooperation between electrical discipline and civil construction
4.1 Improve the comprehensive quality of construction personnel
During the construction process, the construction personnel of the electrical discipline not only need to understand the construction design drawings of the discipline, but also need to understand the construction design drawings of the civil engineering discipline, understand the construction methods and processes of the civil engineering, and ensure the mutual coordination between the electrical discipline and the civil engineering discipline. At the same time, the civil construction personnel must understand the embedded pipes and embedded parts of the electrical discipline in a timely manner, and remind the electrical professional construction personnel to adjust in a timely manner once nonconforming products are found. During the construction of the project, professional training shall be carried out for the construction personnel so that they can understand and be familiar with the construction knowledge of other specialties. Organize construction personnel of different disciplines to cooperate with each other in the construction process, improve the professional quality and coordination ability of construction personnel, and realize the close cooperation between electrical discipline and civil engineering discipline in the construction process of power engineering.
4.2 Strengthen the review of construction materials
In the process of project construction, the electrical discipline and civil engineering discipline shall take effective measures to solve the problem of unqualified construction materials. During the construction of electrical discipline, the electrical construction equipment shall be selected reasonably to ensure the normal operation of electrical equipment. At the same time, electrical construction personnel should improve the utilization rate of on-site equipment, reduce construction costs, and effectively improve the overall progress of the project.
4.3 Cooperation between electrical discipline and civil engineering discipline in construction preparation stage
In the project design phase of the construction preparation phase, the electrical professional designers should put forward their own requirements to the civil engineering professional designers. During the construction of civil works, the electrical professional technicians shall cooperate with the civil construction technicians to jointly review the construction drawings of the electrical and civil disciplines, so as to reduce the occurrence of errors. The installation personnel of the electrical discipline shall have a comprehensive and in-depth understanding of the construction drawings of the civil engineering, learn the construction technology corresponding to the civil construction progress, be familiar with the connection methods of the beam column, roof and ground, check the connection methods with the installation methods of the electrical discipline, and ensure that the installation methods of the electrical discipline in the project are suitable for the civil engineering construction. During the construction of civil works, the accessories required for the installation of electrical discipline and the preparation of embedded parts and pipes shall be prepared in advance.
4.4 Cooperation between electrical discipline and civil construction discipline in civil construction stage
During the civil construction, the pre embedded pipe fittings and pipeline reservation work in the electrical discipline shall be carried out step by step according to the progress requirements of concrete pouring in the civil construction, which is the key to the construction work of the electrical discipline. In the construction of civil works, after the erection of formwork, the main work is the setting out work. The setting out work should be based on the location and size of the reserved pipes, large equipment, distribution box panels, sockets, etc. After the bottom reinforcement is laid, the pipeline can be laid, and the embedded components can be reasonably placed and fully reinforced. Before the final formwork sealing work, it is necessary to carry out quality inspection on the first two works. Once the deficiencies are found, they should be effectively corrected in a timely manner. At the same time, the handover of civil engineering and electrical construction should be done well. Concrete pouring shall be carried out after ensuring that all parts meet the corresponding requirements.
4.5 Cooperation between electrical discipline and civil construction discipline in the later stage of civil construction
In the later stage of civil construction, the strengthened cooperation between the electrical discipline and the civil discipline should also be reflected in the installation of electrical equipment before completing the wall waterproof, to prevent the installation of electrical equipment from damaging the waterproof layer of the building. At the same time, cable laying through the wall shall be completed at one time. Because once the civil construction is reworked, the difficulty of waterproof treatment will be greatly increased. Therefore, civil construction personnel and electrical installation personnel should check the construction drawings in advance.
5 Conclusion
Part 2: Model Articles for Electrical Discipline
Most of the secondary vocational school students are junior and senior high school graduates. These children are in adolescence, and their physical and psychological changes are taking place quietly. They are sensitive, have a good memory, and have a wide range of interests. Everything is fresh and curious, and they want to try, but they have no clear goal and direction. Since most of the volunteers are filled in by their parents, most students are not clear about their majors, and their professional learning is only superficial, lacking motivation and consciousness for in-depth learning. Individual students may also have coping psychology due to lack of interest, which may easily lead to confusion, thus affecting the stability of professional ideas and the cultivation of professional talents.
The power industry is a very special industry, which requires the construction of a large-scale high-quality staff team to cultivate a large number of workers with superb skills and exquisite skills. The secondary vocational education of electrical automation specialty serves the power industry, mainly offering courses such as electrician, motor, relay protection, power electronics technology and high voltage technology. These are the basic knowledge and skills necessary for students to be able to transform into high-quality workers and middle and primary specialized talents, and lay the necessary foundation for future work in electrical specialty. The teaching content of this major includes the understanding of various common electrical equipment structures, the understanding of working principles and the calculation of operating condition parameters. There are many professional terms and tedious derivation of principle formulas that are difficult to understand in these professional courses, which are relatively abstract and complex for secondary vocational school students with relatively weak basic knowledge. Unlike literature courses, they can introduce many historical or practical examples. Teachers can make the classroom lively and interesting, attract students' attention, and achieve good teaching goals. Therefore, many professional teachers will find that when some students encounter difficulties in learning and cannot solve them in time, they gradually lose interest in learning professional courses and enthusiasm for professional learning, which is very unfavorable for professional teaching. Today, when modern educational technology and learning mode are moving towards informatization, is professional teaching just a repeated simple labor? How can we do a good job in professional teaching and become a good teacher to cultivate high-quality and highly skilled talents? The author believes that we should start from four aspects.
1、 Teachers have profound professional knowledge and constantly update and develop their ability
As the architect of human soul, teachers should not only have profound knowledge, but also have excellent psychological quality, certain aesthetic ability, unique teaching style, advanced teaching philosophy, and the ability to constantly update and develop themselves. In the teaching of electrical automation specialty, because the work of the specialty itself is rigorous and demanding, teachers must master solid professional theoretical knowledge, as well as basic social and natural disciplines, and be knowledgeable and versatile. In particular, as a teacher of electrical automation, he should constantly improve himself, strengthen further education and continuous learning, participate in research projects, track the latest academic trends of electrical discipline, understand new ideas, master new information, new skills and new equipment, and constantly update knowledge, so that the rapid development of modern power systems can be integrated with teaching, so that professional knowledge will not be dead, Only in this way can we adapt to the teaching reform and cultivate the compound talents who meet the needs of the society.
2、 Help students find interest in learning and guide students to set learning goals
People's educator Tao Xingzhi advocates heuristic education, opposes injecting education, and focuses on cultivating students' interests. He believes that interest should be the main focus of scholarly research. Our ancient educationalists also said: "Those who know are not as good as those who are good, and those who are good are not as happy as those who are happy." It can be seen that a person's interest plays a vital role in whether he or she is active in his or her career. In the teaching of electrical specialty, we should not talk about principles, deduction, formula and calculation from the beginning to the end without expression in the whole class, and only teach theoretical knowledge in textbooks. This will disconnect theoretical knowledge from practical activities, and make students feel tired, lose interest in learning, and find no motivation for learning. Teachers should help students understand their majors and let them know that electrical specialty is a "sunrise industry", which is the trend of today's scientific and technological development. In the coming decades, electrical talents with excellent technology will have more room for development; Let them understand the nature and importance of each post in the power system, and know what qualities and abilities the staff of each post should have to be competent for their jobs; The purpose of guiding them to discover the electrical professional knowledge they have learned is to be able to engage in electrical related occupations in the future, give full play to their ability in the post, and not be eliminated by the rapidly developing power industry. In this way, students gradually become very interested in their own majors and can find the fun of learning. As professional teachers, they should actively communicate with students in various ways to help them set short-term, medium-term and long-term learning goals, guide them to design their own future, plan their own life, and organically combine their self-worth and social needs. In this way, teaching is purposeful, and students' learning initiative will be stronger.
3、 Various teaching methods permeate each other and constantly strive to improve teaching quality
The traditional classroom is usually a mouth, a book, students passively accept knowledge, now it seems a bit boring. Especially for the problems such as the operation and rotation principle of equipment with complex internal structure in the teaching of electrical specialty, such as the movement principle of three-phase AC motor, the teacher can tell students to form the animation of motor internal magnetic field movement in their heads to generate power to drive the winding rotation, which requires teachers to have good language organization and expression ability, It also requires students' good spatial imagination and 100% concentration, but it is usually difficult to achieve this at the same time, so it cannot achieve good teaching purposes. Audiovisual combination can have more information, higher efficiency and better retention rate. Therefore, multimedia, electrical equipment models and experimental equipment can be introduced into the electrical teaching class. The introduction of multimedia can help students effectively observe and thoroughly understand the dynamic teaching content and relevant movement principles, and can also replace the observation and observation of dangerous sites, such as arc striking phenomenon of high-voltage circuit breaker, and increase students' on-site experience by making some difficult to understand equipment movement principles into animations, Strengthen electric power safety awareness. The introduction of the model can enable students to have a close and intuitive understanding of large electrical equipment, while the introduction of experimental equipment can help students combine theory and practice, strengthen the ability to operate, adapt to the high requirements of modern society for the practical ability of secondary vocational students, and highlight the advantages of secondary vocational students.
4、 Carry out special comprehensive professional training and strengthen school enterprise cooperation in professional sports
In electrical teaching, besides theoretical knowledge teaching, professional training also accounts for a large proportion, which is an important practical teaching link, including electronic training, electrician training, motor driving training, factory power supply training, pole climbing operation training, etc. The implementation of these practical trainings can cultivate students' ability to integrate theory with practice, train their basic skills, enhance their practical ability, arouse their desire to explore the professional field, and experience pleasure and sense of achievement while exercising their ability. In practice, we can also find out in time where we are not proficient in theoretical knowledge, improve our ability to analyze and solve problems, enhance our ability to work independently, and cultivate students' spirit of unity and cooperation, which has a very important role and far-reaching significance in meeting the requirements of the training objectives of secondary vocational education. The professional skills competition, which adopts correct competition rules and diversified competition contents, such as fitter competition, welding competition, etc., will give students a platform to show a positive outlook and skilled professional skills, so that they can fully show themselves and affirm themselves in the competition, thus stimulating students' interest in learning and enthusiasm for creation, Let students feel the fun of learning in the competition and grow rapidly in the fun.
Part 3: Model Articles for Electrical Discipline
1. The students trained in this major should have engineering technology foundation and certain professional knowledge in a wide range of fields, such as electrical technology, electronic technology, control theory, automatic detection and instrumentation, information processing, system engineering, computer technology and application, and network technology Senior engineering and technical personnel engaged in system analysis, system design, system operation, scientific and technological development and research in the fields of electronics and computer technology, information processing, management and decision-making.
2. Electrical automation is a new discipline in the field of electrical information. It extends to all walks of life, ranging from the design of a switch to the research of aerospace aircraft. Because it is closely related to people's daily life and industrial production, it has developed very rapidly and is now relatively mature.
(Source: Wenwu.com)
Part 4: Model Essays for Electrical Discipline
Establish a professional construction committee composed of industry experts and entrepreneurs, enterprise technicians and managers, school professional leaders and backbone teachers to track the development of electrical technology, regularly analyze the new technologies, new processes, new materials and typical work tasks emerging in the electrical automation specialty, and formulate the training objectives and requirements for the core competencies of the specialty, And on the basis of referring to the national vocational skill standards, a new curriculum system of electrical technology specialty oriented by working process is constructed. Adhere to the concept of "zero distance between talent cultivation and post" as the main line of school running, desalinate the boundaries of professional basic courses, professional theoretical courses and practical training courses, and implement the reform of modular teaching mode in accordance with the requirements of the integration of "teaching, learning and doing".
2、 Reform of teaching content and textbooks
At present, secondary vocational schools mainly use textbooks compiled by the state. Due to the long updating cycle of textbooks compiled by the state and the relatively lagging pace of teaching content compared with the development of technology, some of the contents are learned but useless, which not only wastes teaching resources but also attacks and frustrates students' interest and enthusiasm in learning. Therefore, the reform of teaching materials should follow the principles of "teaching with products", "teaching with experiments" and "teaching with skills". According to the teaching system established by the Professional Construction Committee, corresponding school-based teaching materials and experimental guidance books should be compiled and published with teaching modules as units.
3、 School enterprise cooperation has built a platform for teachers' professional training and business improvement
The establishment of off campus practice bases not only solves the problems of students' practice and employment, but also provides opportunities for professional teachers to learn and improve their quality. The school organizes relevant teachers to participate in the construction of practice base in a planned and purposeful manner by means of temporary job training, class practice, visit and inspection, etc. Teachers' professional ability level is rewarded in the process of participation; The improvement of specialized research ability is more dynamic; Teachers' personal practice is beneficial to the practicality of teaching content; At the same time, learn about the new process, new equipment and new technology of the enterprise, and understand the personnel specification of the enterprise, so that the school can adjust the talent training goal and improve the teaching effectiveness. Through learning and training in the factory, the professional level and the application and practice ability of new technology of teachers of various specialties have been greatly improved, which has made the school's "double qualified" teachers increase continuously and provided a strong impetus for the sustainable development of the school.
4、 Fully consider the interests of enterprises to form stable cooperation
Through school enterprise cooperation, the competitiveness of enterprises can be greatly improved. Specifically, through the school enterprise cooperation training mechanism, the quality of enterprise staff can be improved, and a large number of outstanding talents can be reserved for enterprises; Through school enterprise cooperation, the trained talents can adapt to the needs of enterprises, industries and society, shorten the running in period of employees and enterprises, and reduce the training costs and labor costs of enterprises; School enterprise cooperation can effectively reduce the mobility of enterprise employees; Through school enterprise cooperation, a batch of skilled labor force has been cultivated for enterprises, and enterprises do not need to spend people, money and materials for induction training. The workers specially trained by the school are familiar with enterprise culture, know production technology, have good cultural and ideological qualities, and have strong ability to adapt to the post. It is the most effective way to strengthen the cooperation between schools and enterprises, and to "tailor" backup workers for enterprises, which will definitely enhance the competitiveness of enterprises.
5、 Improve the operation management mechanism of the off campus practice training base to ensure the smooth operation of the base
Part 5: Model Essay of Electrical Discipline
1.1 Grounding and equipotential bonding
Grounding is actually a wide range of equipotential bonding. During grounding construction, the construction company often welds with the dowel bars of prefabricated piles. If there is more rain in summer and the groundwater level is high, the grounding resistance test can also meet the design requirements. However, this does not meet the requirements of the installation drawings and specifications (it is led out after welding with the body reinforcement or flange plate of the precast pile and then welded with the main reinforcement of the ground beam). Even if the construction is carried out according to the requirements of the installation drawings and specifications, it is very likely to affect the test results of the grounding resistance throughout the year. Generally, a 40 × 4 hot-dip galvanized flat iron should be led out from the lightning protection downlead at the four corners of the building to extend out of the foundation, In case of dry weather in winter and low groundwater level, when the grounding resistance value can not meet the design requirements, the artificial grounding electrode can be added. For equipotential bonding, its essence is the requirement of electrical safety: prevention of personal electric shock, electrical fire and damage to electrical and electronic equipment. The potential difference is an important cause of this kind of electrical accident. Ignoring the harm of potential difference is easy to leave hidden trouble in the construction. Some constructors do not pay attention to equipotential bonding, even if they do it, it is useless, or they simply omit it. They think that when the light is on, there is power on the socket, and the electrical equipment is in normal use, it has the function of using electricity. However, the safety problem may not appear at that time, and its potential safety hazard has long-term potential. This situation is common on the construction site, and the electrical supervision personnel should strengthen monitoring.
1.2 Distinguish KBG and JDG correctly
JDG is mostly used as the wire conduit in the design documents of civil buildings. However, some construction personnel tend to confuse (or deliberately confuse) JDG and KBG, and even some manufacturers put two different conduits together in the factory test report and factory certificate, confusing the public, What is more puzzling is that some design documents specify that JDG (wall thickness 1.2mm) is used as wire conduit in this project. The standards of China Association for Engineering Construction Standardization have detailed provisions on socketed and buckled thin-walled steel conduit (KBG) and socketed and clamped steel conduit (JDG): one of the important common points of the two types of conduit is that both the inner and outer walls are well coated, and the main difference is that the wall thickness of the pipe is different and there are some differences in connection methods: for KBG, the wall thickness of the pipe with an outer diameter of 16mm and 20mm is 1.0mm, The wall thickness of 25mm, 32mm and 40mm outside diameter is 1.2mm, but the wall thickness of 16mm, 20mm, 25mm, 32mm and 40mm outside diameter of JDG conductivity tube is 1.6mm; The two conduit connection methods are socket connection, and the difference is in the pipe connector (KBG is the crimp type pipe connector, JDG is the fastening type pipe connector). In practice, when JDG is used as the wire conduit in the construction drawing design document, some construction companies often use the sleeve fastening type thin-walled steel conduit pipe and sleeve fastening type pipe connector together. It is called sleeve fastening type steel conduit, which is deliberately confused to achieve the purpose of material replacement. As site supervisors, they should fully grasp the standards of the two types of pipes and their respective construction process characteristics to strictly control the project quality.
1.3 Conductor connection
Whether the installation line can operate safely and reliably depends on the connection quality of the conductor to a large extent. In the long-term operation, the potential safety hazard has a certain latency: the loose, corroded and oxidized joints cause poor connection of wires, which leads to electrical fires sometimes or the fire electrical signals can not be effectively transmitted, resulting in the fire equipment can not be started in time. Because of this, the wire connection of some important lines (such as the wire connection in the automatic fire alarm system) requires tin lining or crimping in the acceptance specifications. The quality of wire and cable raw materials is well controlled, but the wire connection of an electrical project can be described as a "thousand knots". The supervisor can not carry out on-site supervision on all wire connections, but can only strengthen patrol inspection. GB50303-2002 acceptance code does not specify various methods and requirements for wire connection in detail. When supervisors are familiar with the acceptance code, they should also fully grasp the technical requirements for wire connection in the electrical manual or building construction manual, so as to better control the quality of installation lines. The following is the basic requirements for wire connection. Please comment and correct. There are many ways to connect conductors. There are four basic ways: hinge, welding, crimping and bolt connection. All kinds of connection methods are applicable to different conductors and different working locations. The basic requirements for wire connection are:
(1) The connection shall be reliable, the resistance of the joint shall be small, and the resistance of the joint shall not be greater than the resistance of the conductor of the same length;
(2) The mechanical strength of the joint shall not be less than 80% of the mechanical strength of the conductor;
(3) Corrosion resistance. For the connection of aluminum and aluminum, if fusion welding is adopted, it mainly prevents the chemical corrosion of residual flux or slag; For the connection of aluminum and copper, electrical corrosion is mainly prevented. Before and after connection, measures shall be taken to avoid such corrosion (such as using copper aluminum transition joints or tin plating on the wire core at the joint end), otherwise the joint may fail in long-term operation;
(4) The insulation performance is good, and the insulation strength of the joint shall be the same as that of the conductor. In addition, the connection shall also be carried out according to the technical requirements in the conductor connection specification.
1.4 Lamp acceptance
At present, accidents such as fire caused by unqualified lamps (traditional inductance ballasts are one of the dangerous sources of fire), electric shock of personnel (the insulation resistance of lamps does not meet the requirements, and PE lines are missed), frequent tripping of circuit breakers (the overall power factor of gas discharge lamps is too low, resulting in too large line load current), etc. often occur, This is mostly due to the negligence of on-site supervisors in the acceptance of lamps. They often take the method of acceptance of lamps on site: according to the design requirements, check the brand (Party A's requirements), type, specification, technical parameters, appearance and other visual quality of the light source lamps and their accessories against various quality certificates, but only "visual quality" is not enough. According to the GB50303-2002 acceptance code, the insulation resistance, internal wiring and other performances of the complete set of lamps shall be subject to on-site "sampling inspection": the insulation resistance value of the lamps shall not be less than 2M Ω, the internal power lines shall have corresponding certification marks, must be copper cores, and the wire diameter shall not be less than 0.5 mm2. However, there is still a problem that is easy to be ignored, that is, the power factor of the lamp and what kind of ballast is used. Because the power factor is uncertain, the correctness of relevant wires and switches cannot be guaranteed. However, GB50303-2002 acceptance code does not specify what kind of ballast should be used for fluorescent lamps. If the design document does not mention what kind of ballast and what power factor should be used for fluorescent lamps, how should the on-site supervisor accept fluorescent lamps? Some on-site supervisors only master the GB50303-2002 acceptance code and do not understand the GB50411-2007 Code for Acceptance of Construction Quality of Building Energy Conservation Engineering, so they will have no way to start. Article 12.2 of GB50411-2007 (Master Project) stipulates that if there is no design requirement, it shall comply with the relevant provisions of the Standard for Lighting Design of Buildings (GB50034-2004), and the ballast shall comply with the national energy efficiency standard of the product. Self ballasted fluorescent lamp shall be equipped with electronic ballast; Straight tube fluorescent lamp shall be equipped with electronic ballast or energy-saving inductance ballast; High pressure sodium lamp and metal halide lamp shall be equipped with energy-saving inductance ballast. In addition, it should also meet the requirements that the self power consumption of the ballast should not be greater than 15% of the nominal power of the light source and the overall power factor of the gas discharge lamp should not be less than 0.9. The detection method is to use a digital power meter on site. This fully shows that "visual quality" is obviously not enough, and on-site "sampling inspection" must also be carried out. The on-site supervisor can also use a multimeter to indirectly test the power factor of fluorescent lamps. If it fails to meet the requirements, remedial measures can be taken: shunt capacitor at the incoming line end of the lamp power supply. Refer to the capacitor capacity selection table 27-5-2 on page 1689 of the fourth edition of the building construction manual.
2. Conclusion
Part 6: Model Essays for Electrical Discipline
1、 Course description of CAD drawing, mechanical drawing and electrical drawing
1. Mechanical drawing description and its importance
According to projection principle, national standards and relevant regulations, "drawings" that represent engineering objects and have necessary technical descriptions are called "drawings". In modern industrial production, no matter mechanical manufacturing, electrical engineering, construction engineering or instrument equipment, they are all manufactured and constructed according to drawings. Designers understand the structure and performance of machinery and equipment through drawings, and carry out operation, repair and maintenance. Therefore, drawings are the "technical language" commonly used in engineering. The training goal of secondary vocational education is to cultivate application-oriented talents. As engineering and technical personnel at the forefront of production and management, they must learn and master this language and have the basic ability to read and draw engineering drawings.
Mechanical drawing is a course to study "mechanical drawings", and a technical basic course to learn the principles and methods of reading and drawing mechanical drawings.
2. Description of electrical drawing and its teaching content
Electrical drawing is a general term for various drawings in the field of electrical technology. It is mainly used to express the function, purpose, principle, assembly, use and other information of electrical systems, devices or equipment.
The main teaching contents include:
(1) Basic knowledge of graphic symbols, text symbols and project codes;
(2) General rules of electrical drawings, basic representation methods of electrical drawings and basic representation methods of connecting lines.
3. Development prospect of CAD drawing in the field of drawing
(1) The development and popularization of computers have brought more extensive applications to CAD drawing, which can meet the requirements of accurate modeling and more effectively draw three-dimensional drawings.
(2) With the development of CAD technology, draftsmen can realize paperless drawing, improve product quality and competitiveness, reduce production costs, and improve work efficiency.
In addition, CAD drawing has the advantages of reducing labor intensity, keeping the drawing clean, improving drawing accuracy, and convenient data storage.
2、 Teaching Mode Combining Mechanical Drawing, Electrical Drawing and CAD Software
1. Course arrangement and teaching orientation
When teaching CAD, teachers will encounter such a problem: what kind of difficult drawings can students draw, whether it is a simple two-dimensional plan or a complex three-dimensional drawing, through the learning of CAD courses. Through teaching, I found that students of mechanical processing majors are interested in mechanical part drawings, architecture majors are interested in architectural renderings, and civil engineering majors are interested in construction drawings. This requires teachers to choose teaching content according to different majors.
Mechanical drawing is a required major of mechanical and electrical majors in secondary vocational and technical colleges. It is a common language for engineering circles to communicate design ideas and technology. Let students learn this common language first is the key to learning CAD, so when arranging courses, I first arrange mechanical drawing courses, and then explain CAD software in the form of practice.
2. Teaching objectives and class hour allocation
During the teaching, the form of combining theoretical courses with practical courses was adopted. In the first half of the first year, the theoretical courses were twice as many as the actual courses. Mechanical drawing mainly explained the basic knowledge of three views, axonometric drawing, and the recognition of assembly drawings. The teaching focus was on map recognition and drawing. The teaching difficulty was mainly based on basic knowledge, avoiding more professional examples and exercises. CAD courses are taught in the form of practice. There is no practice course in the first two months. After students have a certain foundation of mechanical drawing, let them understand CAD software. The lectures focus on geometric drawing, so that students can understand more simple drawing methods.
3、 Teaching methods and actual teaching process
1. Previous teaching mode of electrical specialty
The electrical specialty in many schools adopts a segmented teaching mode: mechanical drawing, electrical drawing, and CAD. These courses are taught separately, explained in their own directions, and understood and accepted by each other. This teaching mode is characterized by more learning of their respective theories and more mastering of their main commands and functions, but the theory and practice of this teaching mode are not integrated, The theory course has been taught to the end, and most of the students have lost their interest in learning mechanical drawing before the end of the course. When learning CAD, students may forget most of the mechanical drawing icons.
2. Teaching mode for electrical majors in secondary vocational schools
In order to reduce the negative impact of forgetting on teaching, I adopted the fusion teaching mode, which integrates mechanical drawing with more theoretical content and CAD drawing with stronger practicality in the teaching of grade one. When teaching, we should first talk about simple theoretical knowledge of mechanical drawing, and then do drawing exercises on the drawing board, so that middle school students can realize the advantages and disadvantages of drawing on the drawing board, and pave the way for future CAD drawing.
The teaching difficulty and content of mechanical drawing are limited to the most basic teaching units. The students of electrical major in secondary vocational schools are unable to explain all the contents of mechanical drawing one by one due to the limited drawing class hours. When I lectured, I deleted the mechanical drawing course, and deleted the "common pieces and structures", "attempts and drawing of part drawings" that are difficult for students to understand from the teaching plan "Attempt and drawing of assembly drawing", "parts mapping", etc.
The combined teaching mode of mechanical drawing, electrical drawing and CAD drawing has achieved good results in practical teaching. The combination of theory and computer operation has reduced the students' weariness rate. The phenomenon that students forget the theory of mechanical drawing when teaching CAD has also been obviously controlled.
reference:
[1] Jiang Yiping The organic integration of CAD and Mechanical Drawing courses
[2] Qian Keqiang. Mechanical Drawing. Higher Education Press
Part 7: Model Essays for Electrical Discipline
Abstract: The contrast between campus cultural environment and enterprise cultural environment leads to the lack of career development stamina of vocational college students. Professional culture, as the soul of professional construction, is one of the important ways to realize the cultivation of innovative technical talents. The major of electrical automation technology in higher vocational colleges has played a positive role in promoting students' comprehensive professional ability and sustainable professional development through the construction and exploration of professional spiritual culture, professional professional culture, professional material culture and other aspects.
Key words: higher vocational colleges; Electrical automation technology; Professional culture
About the author: Huang Xinbing, male, engineer of Guangdong Communications Vocational and Technical College, master's candidate, whose main research direction is electrical automation teaching.
CLC No.: G717 Document ID No.: A Article No.: 1674-7747 (2015) 20-0027-02
Through the tracking survey of the employment situation of the graduates of the electrical automation technology major in higher vocational colleges, it is found that in recent years, although the electrical automation major in higher vocational colleges has done a lot of work in the seamless connection between students' skills training and enterprise posts, and has achieved remarkable results in realizing students' zero distance employment, However, there are still a considerable number of graduates who need a long period of post adaptation after entering the job; Enterprise managers reflect that it is difficult for graduates to integrate into the enterprise atmosphere, and the career development stamina is insufficient. The reason is, to a large extent, due to the huge difference between the cultural environment of students at school and that after entering the enterprise. Therefore, in addition to cultivating students' professional skills, higher vocational colleges should also cultivate their professional culture so that students can gradually understand, get used to and consciously comply with relevant professional requirements, and quickly and smoothly realize the role transformation from "student" to "employee" after entering the job, so as to improve their employment adaptability and competitiveness. [ 1］
1、 Connotation of professional culture
The major setting of higher vocational colleges is mainly based on the demand of professional posts for talents. The professional skills training and cultural influence of students during their school years are the important basis for them to enter the work post. Therefore, it is necessary for each major to form a distinctive professional culture to shorten the gap between campus culture and enterprise culture. [ 2) At present, the academic community has not yet made a clear definition of professional culture. Referring to the definition of discipline culture, we can define professional culture as the sum of the values, knowledge and ability system of the profession itself, and the unique spiritual outlook and behavior norms of all members engaged in professional teaching and research according to the socio-economic development. [ 3) It can be seen that professional culture is the core and soul of professional construction, the specific embodiment of professional training goals, and a professional value and code of conduct recognized by professional teachers and students.
2、 Significance of professional culture construction
（1） Enhance the connotation of specialty construction and improve the quality of talent training
The Opinions of the Ministry of Education on Promoting the Reform and Innovation of Higher Vocational Education and Leading the Scientific Development of Vocational Education (Jiao Zhi Cheng [2011] No. 12) clearly points out that higher vocational education must serve the economy, and the development direction of higher vocational education is that regional economic and social development needs to cultivate a sufficient number of high-end skilled professionals with reasonable structure. The professional culture of higher vocational colleges has professional characteristics. One of the important functions of professional culture is to improve the professional quality of students around specific professional posts and meet the needs of regional economic development for innovative technical talents.
（2） Exercise and cultivate students' multiple abilities to achieve "zero distance" employment
Through the construction of professional culture, students can feel the influence of the culture with enterprise characteristics, help to enhance their professional self-confidence, pride, etc., and make students have good qualities such as diligence, innovation, cooperation, integrity, discipline, etc; Let students understand the professional requirements of professional posts, identify with the value of professional posts, define professional goals, cultivate good professional quality, and quickly become a qualified professional "person" after employment; Students actively participate in the construction of professional culture, deepen their understanding of professional careers, and improve their professional quality. At the same time, they have exercised and cultivated their abilities in organizing activities, cooperation, language expression, communication, and other aspects to improve their comprehensive professional abilities.
（3） Promote the sustainable development of electrical automation technology
As a code of conduct for teachers and students of electrical automation technology, professional culture can form good professional qualities of teachers and students, display good spiritual outlook, and gain recognition from industry enterprises, which is conducive to promoting school enterprise cooperation, deepening school enterprise integration, and jointly building a profession between schools and enterprises to achieve cultural education, so as to achieve sound professional development. [ 3］
3、 Contents of Professional Culture Construction of Electrical Automation Technology in Higher Vocational Colleges
The construction of higher vocational specialty should serve the regional economic and social development. The construction of professional culture needs to take the specialty characteristics as the core, base on the regional economic development, deepen the cooperation between schools and enterprises, cultivate high-quality talents, and serve the local economic development. As a major of electrical automation technology, professional culture construction should be carried out from three aspects: professional spirit culture, professional professional culture and professional material culture.
（1） The Construction of the Professional Culture and Spirit of Electrical Automation Technology in Higher Vocational Colleges
The construction of professional culture spirit includes professional school running philosophy, talent training specifications and objectives, and is presented through specific carriers. It is the source of guiding teachers and students' thinking and behavior, and the core of professional culture. [ 4] Guangdong Communications Vocational and Technical College organized teachers of electrical automation technology to Guangdong Electrical Industry Association, Qingtian Industrial Co., Ltd., and Puhua Lingdong Robot Technology Co., Ltd. to conduct research, and made it clear that the orientation of electrical automation is to cultivate innovative technical and skilled talents, understand the installation and commissioning of automation equipment Based on the professional concept and working process of professional positions (groups) such as electrical control system development, the professional concept is refined through "brainstorming". At the same time, the popularization of spiritual culture will be deepened by holding scientific and technological cultural festivals, life festivals and other activities; Setting up elective courses of electrical automation specialty culture will put spiritual culture into daily teaching; Set up special columns on the development history of electrical automation technology, famous Chinese and foreign entrepreneurs in this specialty, and relevant enterprises in this region; Build a professional cultural website for electrical automation in higher vocational colleges.
（2） Construction of culture and occupation level of electrical automation technology specialty in higher vocational colleges
Strengthen the construction of professional professional culture to enable students to have corresponding professional quality and shorten the enterprise adaptation period. Through the creation of professional culture columns such as blackboard newspaper, the current situation of the development of the electrical automation industry, job responsibilities, etc. are introduced with pictures and texts; Invite outstanding alumni to give lectures on career development experience, share the gains and losses of personal career development, cultivate students' awareness of career planning, and arouse students' attention to career planning; Hold a career design contest to improve students' career design level; Carry out class meetings with professional ethics as the theme to strengthen students' professional ethics education; Invite enterprise elites to give special lectures based on their work experience to cultivate professional feelings and ethics; Organize enterprise named intramural skill competitions, such as the "Optimus Cup" electrical troubleshooting skill contest, to improve students' professional practice ability, cultivate their ability to work together and innovate, and improve their professional skills. [ 5) Form an operation mechanism and development mechanism in cultivating students' professional ethics, professional responsibility, professional discipline, professional skills, etc.
（3） Construction of cultural material level of electrical automation technology specialty in higher vocational colleges
The professional development history and main achievements exhibition, outstanding alumni deeds exhibition, professional technology experts exhibition, professional new technology and new process development trend exhibition, professional celebrity aphorism and other arrangements reflect the professional characteristics of the professional professional environment of electrical automation technology; According to the characteristics of the professional post group corresponding to the specialty, hang production processes, safety regulations, operation processes, and the enterprise spirit of the electrical automation industry in the training place to create an enterprise atmosphere; According to professional ideas, explore the creative potential of teachers and students, and design inspirational maxims and professional maxims. Make students experience and comprehend professional spirit in imperceptible influence, and fully receive professional culture edification.
In a word, excellent professional culture can increase students' recognition of their majors and future careers. Schools should build professional culture in multiple ways, channels and forms to make students love their majors and look forward to their careers, which is conducive to the cultivation of innovative technical and skilled talents in higher vocational colleges.
reference:
[1] Yang Liu, Xiao Tradition. Research and Practice of Integrating Enterprise Culture into Ideological and Political Education of Vocational College Students [J]. Entrepreneur World (Theoretical Edition), 2010 (8): 174-175
[2] Li Jianrong, Yao Ting. Research on professional culture construction in higher vocational colleges from the perspective of school enterprise cultural integration [J]. Higher Vocational Education (Journal of Tianjin Vocational University), 2012 (21): 33-35
[3] Diao Aihua. Exploration of professional culture construction of management majors in higher vocational colleges based on school enterprise cooperation [J]. Modern Property (Mid term), 2014 (13): 81-82
[4] Chen Guofen, Zhu Qianmin, etc. Exploration and Practice of Professional Culture Construction in Colleges and Universities [J]. Textile and Clothing Education, 2014 (29): 200-202
Chapter 8: Model Essay of Electrical Discipline
Teachers play an irreplaceable key role in the teaching process, and teachers colleges will become famous students. In ordinary colleges and universities, teachers are usually recruited directly after graduation from other schools or directly stay in school. They have never worked in enterprises and lack practical understanding of engineering. Especially for electrical majors, the power industry itself is very closed, and the level of professional teachers is difficult to improve substantially in the teaching process. A high-level graduation design requires rich practical experience and practical teacher guidance. The lack of practical experience of teachers restricts the quality of students' graduation design. It is an urgent problem to make great efforts to improve teachers.
2、 Reform the idea of graduation design
1. To change the teaching concept and encourage enterprises to practice, according to the instructions of the national and provincial higher education leadership departments, the first issue is to change the teaching ideas. The students to be trained should be "thick foundation, broad specialty, emphasis on practice, and comprehensive development", focusing on reform theory, emphasis on research, and emphasis on the idea of formula. The graduation design should change the teaching concept, encourage students to go to enterprises, master the most basic knowledge, understand the engineering practice, and understand the operation of the power industry. The graduation design completed after returning to school is targeted, that is, the equipment or technology for the normal operation of the enterprise. Even if there is a little improvement or a system design, it should be referenced to keep up with the times. It can be said that today's college students are knowledgeable technicians. Not everyone requires innovation and can design and research products. Today's education is to train technicians, not everyone is a researcher.
2. Reform the content and evaluation system of the graduation design. From the content and achievements of the graduation design to the evaluation system, make a reform, change the original knowledge from the backward books, and cooperate with the enterprise to select the appropriate design content and scheme. The content should not be large and wide, do not seem to take a lot of time to complete it, and do not seem to take much effort, but be close to reality, In combination with the work that may be used or contacted in the future, the design content should be targeted and basically operable. The evaluation system is to assess the quality of the completion of the graduation design. The original workload, completion quality and thesis level evaluation should be changed to improve the quality of the graduation design. The evaluation system should be changed to focus on the improvement of students' ability, practical experience and skills. Through the graduation design, the student has gained practical exercise and skills that may be used in the future, This design is successful.
3. Stimulating college students' enthusiasm, encouraging independent research and participating in internships A good design is the result of students' hard work in study and research. Students do not invest in energy. How can the quality of graduation design be improved. In graduation design, students should be encouraged to participate in design practice, cultivate their ability to search and retrieve information, improve their ability to summarize and think independently, and stimulate college students' enthusiasm for graduation design work. This is a systematic project, which needs to be carried out in an all-round way to attract students to study from topics to content and complete the graduation design.
3、 Specific Measures to Improve the Quality of Graduation Design
In the past two years, through the reform of graduation design practice teaching, the electrical engineering and automation specialty of our school has improved the employment quality of graduates, and the employment rate has increased year by year. The reform measures have gradually developed in depth to provide the society with qualified electrical professionals. Specific measures are as follows:
1. Add topics that are combined with the reality, update the research content, our school teachers pool their ideas, hire off campus instructors, and update the graduation design topics and design content, such as new energy field, microcomputer relay protection, photovoltaic system, DSP and PLC application in power system, etc. The graduation design emphasizes the combination of strong and weak electricity, control and operation, integration of multi-disciplinary and multiple detection means, and the combination of smart grid and traditional power grid to adapt to social development, meet the content of the times, and meet the needs of talent training.
2. Change the monitoring system of each link, pay attention to the research of learning achievements, reform the monitoring system of each link of graduation design, standardize various documents, reports, etc., and pay more attention to the research and design content, encourage students to do content related to the practice unit, and emphasize that the research content can be used in future work, such as videos and videos of students' practice, The products independently completed by students in enterprises have improved the comprehensive ability of graduates by focusing on results and cultivating students' ability, which has been well received by employers.
3. Strengthen the construction of teaching staff and improve the quality of teachers. In view of the reality that teachers lack practical ability, the key to strengthen the construction of teaching staff and the strength of students' innovative ability and practical ability is to need a high-level teaching staff. In the past three years, five professional teachers have taken the holidays to practice in enterprises to carry out teachers' comprehensive ability competitions. Teachers are encouraged to use their spare time to study in laboratories and enterprises, so that teachers can improve their ability and enrich themselves and ensure the improvement of the quality of graduation design.
4. Vigorously building off campus practice bases and carrying out school enterprise cooperation practice bases are important places to improve students' practical ability and innovation ability. The improvement of graduation design quality can not be separated from the construction of off campus real-time base. Students use the time of graduation design to practice in the practice base or student work post, and complete the graduation design on this basis. The design content is based on the existing engineering practice, so that the data is based and the application is required. In recent years, the electrical specialty of our school has successively established practice bases in line with the professional direction and specialty matching, such as "XJ Electric", "Sungrow Energy", "Tuoxin Electric". Every year, more than 40 graduates go to the off campus internship base to practice and complete the graduation design, of which nearly 20 graduates work in the internship enterprise every year. This practice base has led to the improvement of students' ability and promoted employment, which has achieved good results. In the future, the specialty will work closely with related enterprises to better promote the graduation design and students' employability.
5. Keep close contact with students' employment, pay attention to the actual work of students, improve the quality of graduation design, stimulate students' enthusiasm, and promote students' employment. During the graduation design period, teachers should guide students to communicate closely with students, track students' applications and intention agreement units, understand the characteristics of students' future jobs, and pay attention to students' employment reality. In the content and topic selection of the graduation design, students are encouraged to engage in the positions that have signed or intend to sign agreements, and the employment positions are linked with the graduation design as far as possible, which can improve the quality of the graduation design and is conducive to the future employment of students. Since 2011, the author has directed 10 graduates to design graduation projects. The content of graduation design is closely related to their jobs, such as AutoCAD drawing, dispatcher in the main control room of the power system, etc. In the graduation design project, students can design drawings, dispatching automation content, improve the quality of graduation design, stimulate the enthusiasm of students, and obtain better results with the support of employers.
4、 Conclusion
Chapter 9: Model Essay of Electrical Discipline
[Key words] Electrical engineering; School running conditions; Professional specifications
1、 Introduction to Electrical Engineering Education
The specialty of electrical engineering and automation, which mainly includes computer technology, power electronics technology, electromechanical integration technology, network control technology and many other fields, is a relatively comprehensive discipline with outstanding characteristics of electromechanical combination, component and system combination, strong and weak electricity combination, electrical technology and electronic technology combination, software and hardware combination, To enable students to master basic skills in system control, electrical and electronic, electrical automation devices, power system automation and electrical control technology.
This major mainly trains senior engineering professionals who can master the professional knowledge of electrical engineering and basic knowledge of engineering technology, and have the ability to analyze and control the technical problems of electrical engineering. The purpose of electrical engineering and its automation specialty is to cultivate excellent comprehensive quality senior technical professionals who can work in electrical engineering and its automation, economic management, computer technology application and other fields for the society. The electrical engineering specialty involved in this paper generally includes electrical engineering and automation specialty. At present, China's electric power industry is in a stage of rapid development, and there is a large demand for electrical engineering talents. Therefore, the field of electrical engineering in China attaches great importance to the training of corresponding talents, and major engineering universities in China have a relatively large proportion of investment in electrical engineering in education and scientific research.
2、 Discipline Connotation of Electrical Engineering
The research object of China's electrical engineering specialty is electric energy, which mainly studies the laws of electric energy in various stages from generation to utilization. Its theoretical basis is mainly electromagnetic theory. Electric energy needs to be fully mastered and utilized in all aspects from generation to utilization, so the research of electric information technology is an indispensable part of electrical engineering and automation specialty.
At the same time, modern communication and computer carriers are mainly electrical information. Therefore, the research of electrical information technology also belongs to electrical specialty, in which electrical engineering is the parent of the specialty. Electrical engineering is a basic discipline, so it has strong ability to derive and cross disciplines. Its intersection with life science has created new majors - biomedical engineering and bioelectromagnetics; The combination of electrical engineering and material science has created nano electrotechnics and superconducting electrotechnics; The combination of electrical engineering and electronic science has created power electronics technology, which has further promoted the development of electrical engineering and gradually developed into a branch of electrical engineering. The scope of electrical engineering mainly includes three parts: electrical power system operation and control, electrical equipment manufacturing and application, and basic theory of electrician. It is an electrical theory based on electromagnetic field theory and circuit theory. They belong to the development extension of electromagnetism.
The application of electrical theory to practice has produced new electronic technology and computer hardware technology, so electrical theory is the main theoretical basis. Electrical equipment manufacturing generally involves the manufacturing of motor equipment such as motors, transformers and generators, as well as electrical equipment and appliances such as electrical equipment, including the manufacturing of power control devices, various electrical control devices and electronic equipment. The application of electrical equipment mainly refers to the specific application of the above devices and equipment. Power system generally involves electrical automation and operation and control of power network. It should be noted that the manufacturing and operation must be unified, and the manufacturing of electrical equipment should also take into account the actual operating conditions. For example, the stable operation of the power system needs to rely on good equipment.
3、 Introduction to methodology, influencing factors, training objectives and requirements of electrical engineering
The major of electrical engineering pays more attention to the use of mathematical tools due to more theoretical analysis. As an engineering major, experimental research on electrical engineering needs to complete the main learning and teaching tasks through experimental research. Under certain experimental conditions and the support of experimental research, students will get twice the result with half the effort in the process of learning electrical engineering professional knowledge.
Following the modern science and technology, the electrical engineering specialty has introduced the simulation technology based on computer technology for teaching research. At the same time, scientific methods such as equivalence and analogy are often used in the teaching of theoretical analysis, trial simulation and experimental research of electrical engineering.
Electrical engineering is a typical discipline with strong foundation. In the process of crossing with other disciplines, many disciplines have been derived, such as electronic science and technology, electronic information engineering, communication engineering, computer science and technology, etc. These majors are classified as electronics and information majors because they are derived from electrical engineering majors. Electrical engineering majors and their derived majors are collectively called electrical majors. As the parent of electronics and information specialty, electrical engineering specialty has been injected with new development vitality by the derived specialty.
The professional purpose of the electrical work major is to cultivate high-quality comprehensive professional and technical personnel who can work in the research and development, system operation, equipment manufacturing, and related management of the electrical engineering field, and master the ability of technology development, organization management, and scientific research. The specific goal of the training of electrical engineering is that the students of this major should master professional technologies such as computer technology, information technology and electronic technology, basic theoretical knowledge such as control theory and electrical theory, general knowledge and corresponding professional knowledge.
Based on the characteristics of electrical engineering, students also have requirements on the following knowledge and abilities:
First, master solid theoretical knowledge of basic disciplines such as mathematics, physics and chemistry, master basic management knowledge of humanities, and have a certain ability to use foreign languages;
Second, systematically learn engineering technology knowledge related to electrical engineering, such as information processing, electrical engineering, control theory, computer software and hardware, network technology and other knowledge;
Third, get good engineering practice training, and master the ability to analyze and solve practical problems in the field of electrical engineering;
Fourth, the ability to skillfully use computers;
Fifth, be able to master the professional technology and theory of no less than one professional direction in the field of electrical engineering, and know the future trend of discipline development;
Sixth, have certain practical working ability to adapt to working conditions, conduct scientific research and information management.
4、 Knowledge structure requirements and knowledge system of electrical engineering
First, be familiar with analog and digital electronic technology and relevant circuit theory of the system; Be familiar with and be able to apply the principles of electronic circuits, and be able to analyze and solve relatively complex problems of electrical and electronic circuits; Be able to master basic electromagnetic field theory; Master control theory, computer software and hardware, programming and other related knowledge; Have the ability to detect, analyze and process the physical quantities of the electrical system.
Second, have a solid grasp of power system, power electronics technology, electrical theory and other relevant knowledge; Master the most basic principles and methods in mechanics and mechanical disciplines.
Third, be able to master the basic technology and theoretical knowledge of no less than a professional direction. Fourth, be able to master the ability to test and express common physical quantities in the project, and master the relevant knowledge of designing and debugging the electrical system.
The education content and knowledge system of electrical engineering generally include:
First, general education and basic education;
Second, professional basic technology and theoretical knowledge (electromagnetic field theory, control theory, circuit theory, signal analysis and processing, computer network, electronic technology, detection technology, etc.); Basic professional knowledge generally involves basic theories and knowledge of power system, power electronics technology and electrical engineering;
Third, professional direction, technology and knowledge. Such as electrical machinery and its control, power system and its automation, high voltage and insulation technology and other professional direction of technology.
Fourth, experimental and practical skills. Experiment and practical skills mainly include simple design and debugging of electrical system experiment skills, and design and debugging of relatively complex electrical system preliminary experiment skills.
