Guodian Nanzi microcomputer protection device PSL641UX
1.2 Main features
Rich resources and complete functions: high-precision real-time clock system, supporting RS485 IRIG-B GPS time synchronization; Flexible networking mode and protocol configuration; It can provide complete protection, measurement and control functions. Mature technology and high reliability: applied to low-voltage protection, the protection principle is advanced, reliable and more professional; The EMC level of product hardware meets the national standard. Flexible configuration and strong pertinence: the device plug-in configuration is simple and easy to use, 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.
Powerful communication and integrated recording: provide dual Ethernet communication ports or dual RS-485 communication ports, support IEC60870-5-103 communication protocol and IEC 61850 communication protocol (optional); It can query at least 100 trip records, 200 self inspection records, and the next 200 switching value and state displacement records, and record the device operation information as a whole; 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
PSL 641UX 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.
1.3.2 Transformer protection and monitoring device
a. PST 641UX transformer differential protection device is applicable to transformers of 6.3 MVA and above capacity or important transformers of industrial enterprises.
b. PST 642UX transformer protection and monitoring device is suitable for backup protection of 6.3MVA and above capacity transformers or important transformers of industrial enterprises.
c. PST 645UX transformer protection and monitoring device, with overcurrent protection as the main protection, is applicable to the substation/grounding transformer/station transformer.
1.3.3 Capacitor protection, measurement and control device
PSC 641UX capacitor protection and measurement and control device is applicable to the protection and measurement and control of parallel capacitor banks in the substation, and is configured with differential voltage (or differential current) and unbalanced voltage (or current) inputs.
1.3.4 Reactor protection, measurement and control device
PST 648UX reactor protection and measurement and control device is applicable to the protection and measurement and control of series parallel reactors with voltage levels of 35kV and below.
1.3.5 Automatic switching device of standby power supply
PSP 641UX standby power automatic switching device, which has 7 typical connection modes for standby switching, is suitable for standby power automatic switching of different voltage levels and connection modes.
Guodian Nanzi microcomputer protection device PSL641UX
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