UNIT-CPS Power Supply for microprocessor-based relay protection devices
Applicability
Intended for the use in secondary 6-110 kV schemes with AC power system.
Power supply for microprocessor-based relay protection devices .
Functionality
Provide DC power supply for relay protection devices from AC sources (current and voltage transformers).
Advantages
Provides secure power supply of relay protection devices during the emergency power off.
Circuit breaker control circuits bridging for emergency opening .
Inputs:
- up to 2 current transformers circuits;
- up to 1 voltage transformers circuits;
Outputs:
- 1xDC (220 V)
- 1xCircuits for control current bridging
.