Overview
XGN15-12 AC high-voltage sulfur hexafluoride ring network switch Equipment (hereinafter referred to as ring main unit) It is a new generation of Shanghai Hongshen Electric that has introduced advanced foreign technology and successfully developed in accordance with the requirements of domestic household appliances and urban network High voltage apparatus Products. After strict type test and long-term trial operation assessment, all technical performance indexes have reached IEC298 and GB3906 Standards. Main switch, operating mechanism and components of unit cabinet Hongshen Electric Self-produced FLN36-12D type SF6 Switchgear can also be equipped according to user needs ABB Company*** HAD/US type SF6 Circuit breaker or VD4-S Type V vacuum circuit breaker has two operation modes: manual and electric. The cabinet body is coated with aluminum Zinc plate CNC Machine tool It is riveted after processing, and the protection grade reaches IP3X And has reliable mechanical interlocking and anti misoperation functions. This product is characterized by small size, light weight, beautiful appearance, simple operation, long life, high parameters, purity, less maintenance, etc. It is widely used in industrial and mining enterprises, high-rise buildings, residential quarters, schools, etc. as the loop network power supply and terminal power distribution of 10KV power distribution system. The ring main unit is equipped with sulfur hexafluoride load switch or sulfur hexafluoride load switch and fuse combination appliance, which can make and break the rated load current, rated short circuit current and breaking transformer No load current: after the combination appliance is equipped with a fuse, the 31.5KA short circuit current can be cut off at one time to control and protect the power system.
■ · Model meaning
X G N 15－12 FR
││││ │ │
││││ │ │
││││││ L ------ SF6 load switch fuse combination
││││ L -------- Rated voltage (KV)
│││ L -------- Design serial number
││ L -------- Indoor
│ L -------- Fixed
L -------- Box type
■ · II. Advantages:
The XGN15-12 type unitary ring network switch cabinet produced by Hongshen Electric is riveted with aluminum coated zinc plates processed by CNC machine tools, which is more beautiful than the products of traditional enterprises. The cabinet is more solid, and the performance is more stable. Because SF6 ring network cabinet has many advantages, such as small size (375mm wide × 1400 high × 980mm deep), simple structure, maintenance free, and reasonable price, It is favored by the market. Users of Daya Electric Appliance Group are widely used in more than 30 provinces and cities in China except Tibet and Baodao: Beijing, Shanghai, Tianjin, Chongqing, Guangzhou, Chengdu, Shenyang, Wuhan, Xi'an, Hunan, Zhejiang, Jiangsu, Shandong, Shanxi and other places, and they are unanimously praised by users.
■ · III. Switch cabinet structure
Note: XGN15-12 unitary sulfur hexafluoride ring network cabinet consists of the following four parts:
① Bus compartment ② Main switch ③ Cable compartment ④ Operating mechanism, interlocking mechanism and low-voltage control
① Bus compartment
The bus compartment is arranged on the upper part of the cabinet. In the bus compartment, the main buses are connected together and run through the whole row of switchgear.
② Load switch
A sulfur hexafluoride load switch (FLN36 or FLN56) is installed in the switch room. The shell of the load switch is made of epoxy resin and filled with sulfur hexafluoride (SF6) gas
The shell is provided with an observation hole. SF6 gas density meter or gas density meter with start emergency signal contact can be installed in the switch room according to customer requirements.
③ Cable room
The load switch cabinet has ample cable room, which is mainly used for cable connection, so that simple unshielded cable heads can be used for single core or three core cables
At the same time, sufficient space can also accommodate lightning arrester, current transformer, lower grounding switch and other components. Designed according to the standard, the cabinet door has an observation window
And safety interlock. The bottom plate of the cable room is equipped with a sealing cover and a cable clamp with a support frame of appropriate size. The bottom plate of the cable chamber and the front frame of the door can be removed to facilitate cable installation.
④ Operating mechanism, interlocking mechanism and low-voltage control room
The low-voltage chamber with interlocking functions as the control panel at the same time. The low pressure chamber is equipped with spring operating mechanism and mechanical coupling with position indicator
The locking device can also be equipped with auxiliary contact, tripping coil, emergency tripping mechanism, capacitive electrified display, key lock and electric operating device
The space of the low-voltage room can also be used to install control circuits, metering instruments and protection relays. The 750mm wide cabinet is equipped with two identical low-voltage rooms, which can be equipped with more accessories.
The whole XGN15 switch cabinet can be divided into upper and lower parts. The upper part of the cabinet includes the busbar chamber, load switch, operating mechanism and low-voltage chamber, and the lower part
The cable chambers are separated. Therefore, the equipment installed in the upper unit can be repaired and modified safely and conveniently, and the entire upper unit can be replaced
