Guodian Nanzi PSL641UX protection, measurement and control device
1 Main features
Rich resources and complete functions: high-precision real-time clock system, supporting pulse or IRIG-B mode GPS time synchronization; Flexible networking mode and plan
Approximate configuration; It can provide complete protection, measurement and control functions.
Mature technology and high reliability: apply the high voltage protection technology and idea of Guodian Nanzi International * * * to the low voltage protection, and the protection principle
Advanced and reliable, more professional; The EMC level of product hardware meets the national standard.
Flexible configuration and strong pertinence: the device plug-in has a variety of options, and the outlet can be flexibly configured, which facilitates various application requirements on the site;
Fully consider the characteristics of iron and steel metallurgical enterprises, provide 4-20mA and logic interlocking functions, and can cooperate with DCS system or industrial system.
Powerful communication and integrated recording: provide Ethernet communication port and RS-485 communication port, support Ethernet communication protocol
IEC60870-5-103 communication protocol and IEC 61850 communication protocol; At least 100 trip records and 200 self inspection records can be queried
200 times switch Quantity and state displacement records, integrated recording of device operation information; It can record 8~100 reports and displacement mark sets.
1.3 Main models and functions
This series of products includes the following devices:
1.3.1 Line protection measurement and control device
a) PSL 641U line protection and measurement and control device, with overcurrent protection as the main protection, is applicable to the protection and measurement and control of transmission or distribution lines.
b) PSL 642U line protection measurement and control device, including interphase distance protection, is suitable for important lines.
c) PSL 643U bus coupler protection and measurement and control device is applicable to bus coupler protection and measurement and control of voltage level below 110kV.
d) PSL 646U (including basic type and D-type configuration) line protection measurement and control device, basic type including optical fiber current differential protection, suitable for heavy
Short line; Type D configuration is applicable to double coils with voltage level of 35kV and below transformer Line transformer unit optical fiber differential protection based on.
1.3.2 Transformer protection and monitoring device
a) PST 641U transformer differential protection device, configured with differential quick break and ratio differential, as the main protection, is applicable to 6.3MVA and
Upper capacity transformer or important transformer of industrial enterprises.
b) PST 642U transformer protection and monitoring device is applicable to the rear of 6.3MVA and above capacity transformers or important transformers of industrial enterprises
Standby protection, side configuration.
c) PST 644U non electric quantity protection device is applicable to power transformers of 66kV and below. Most of them can provide 16 circuit non electric quantity protection
It is used together with PST 641U and PST 642U.
d) PST 645U (including basic type and D-type configuration) transformer protection and monitoring device, basic type does not include differential protection, and overcurrent protection is the main protection
Protection, applicable to substation/grounding transformer/station transformer; Type D configuration includes differential protection and FC locking, which is applicable to station transformer.
Operation Manual of PS 640U Series Protection, Measurement and Control Device (Industrial Version)
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1.3.3 capacitor Protection, measurement and control device
PSC 641U power container The protection and measurement and control device is applicable to the protection and measurement and control of parallel capacitor banks in the substation, and is equipped with differential pressure (or differential current)
Unbalanced voltage (or current) input.
1.3.4 reactor Protection, measurement and control device
PST 648U reactor protection, measurement and control device, with differential protection as the main protection, is applicable to series parallel reactor protection of voltage level below 110kV
And measurement and control.
1.3.5 Automatic switching device of standby power supply
PSP 641U standby power automatic switching device, which has 7 typical connection modes for standby switching and is applicable to different voltage levels and connection modes
The standby power supply of is automatically switched on.
1.3.6 Motor protection, measurement and control device
PSM 641U (including basic, D-type and S-type configurations) motor protection and monitoring device, suitable for 3-10kV large and medium-sized motor protection
And measurement and control. The basic type is suitable for asynchronous motor protection; Type D is suitable for protection of large asynchronous motor with capacity of 2MW and above; S-type
It is applicable to synchronous motor protection.
1.3.7 Bus voltage protection measurement and control device
PSV 641U (including basic type and J-type configuration) bus voltage protection measurement and control device, applicable to one section (basic type) or two sections (J-type,
At the same time, it has the function of paralleling and splitting) bus voltage protection, measurement and monitoring.
