Guodian Nanzi Integrated Protection PSV641UX PT Protection Device
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, measurement and control device is applicable to transformers of 6.3 MVA and above capacity or important transformers of industrial enterprises
Backup protection;
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, with differential pressure (or differential current)
Unbalanced voltage (or current) input.
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 automatic switching device for standby power supply, which has 7 typical connection modes for standby switching, and is applicable to various wiring methods of different voltage levels
Automatic switching of standby power supply.
1.3.6 Motor protection, measurement and control device
a) PSM 641UX motor protection, measurement and control device, including differential function, is suitable for large asynchronous or synchronous power supply with capacity of 2MW and above
Motivation protection;
b) PSM 642UX motor protection, measurement and control device, without differential function, is applicable to 3~10kV asynchronous motor protection
The PSV 641UX bus voltage protection measurement and control device is basically configured with voltage paralleling, voltage protection and non electric quantity protection, and it also integrates
Multi functional devices with various measurement and control functions are applicable to the protection, measurement and monitoring of the voltage of two bus sections.
1.2 Device model and functional configuration
a) With voltage parallel and splitting function;
b) Low voltage protection
c) Overvoltage protection
d) Zero sequence overvoltage protection
e) PT disconnection judgment
f) Non electric quantity protection
1.3 Measurement and control function configuration
a) 14 channels of external switching value input remote signal acquisition;
b) Remote control function;
c) UAB1、UBC1、UCA1、UA1、UB1、UC1、UAB2、UBC2、UCA2、UA2、UB2、UC2、F1、
F2 remote measurement;
d) GPS timing input
Guodian Nanzi Integrated Protection PSV641UX PT Protection Device
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