Induction Type Negative Phase Sequence Relay

Induction Type Negative Phase Sequence Relay: This type of induction type negative phase sequence relay has similar construction as that of an induction type overcurrent relay. The difference lies only…

Continue Reading Induction Type Negative Phase Sequence Relay

Negative Phase Sequence Relay

Negative Phase Sequence Relay: A negative phase sequence relay (or phase unbalance) is essentially provided for the protection of generators and motors against unbalanced loading that may arise due to…

Continue Reading Negative Phase Sequence Relay

Zero Sequence Current Relay

Zero Sequence Current Relay: This type of zero sequence current relay is similar to that of negative phase sequence relay as discussed in article Induction Type Negative Phase Sequence Relay.…

Continue Reading Zero Sequence Current Relay

Differential Protection Relay in Power System

Differential Protection Relay in Power System: A Differential Protection Relay in Power System scheme compares quantities derived from the input and output currents of the protected circuit in such a…

Continue Reading Differential Protection Relay in Power System

Phase Comparison Carrier Protection

Phase Comparison Carrier Protection: The phase comparison pilot-relaying operates on the principle of comparing the phase position of the currents at the two ends of the protected section. The Phase…

Continue Reading Phase Comparison Carrier Protection