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.…

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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…

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Basic Components of Static Relays Articles

Basic Components of Static Relays Articles: Field Effect Transistor in Static Relay : Field Effect Transistor in Static Relay is a unipolar device as compared to bipolar transistor already discussed.…

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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…

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Static Relays Basics and Classification

Static Relays Basics and Classification: A Static Relays Basics refers to a relay in which the measurement or comparison of electrical quantities is done in a static network which is…

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Principle of Distance Relaying

Principle of Distance Relaying: The Principle of Distance Relaying is governed by the ratio of voltage to current at the relay location and the operating time of the relay automatically…

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