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Protection Principles and Components

Components of Protection System

Components of Protection System: Some of the more commonly used Components of Protection System are Relays Circuit Breakers Tripping and Other Auxiliary Supplies Current Transformer (CT) Voltage Transformers (VT) Linear Coupler Relays: The main function of a protective relay is to isolate a faulty section with the least interruption to service by controlling the circuit …

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Derivation of Single Phase Quantity from Three Phase System

Derivation of Single Phase Quantity from Three Phase System: It will be seen later that auxiliary channels or pilot wires are used to transmit information from one end of the line to the other end. For a normal three-phase system three pilots would ordinarily be required which would obviously be a very costly affair for …

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Methods of Discrimination in Power System Protection

Methods of Discrimination in Power System Protection: Methods of Discrimination in Power System Protection are basically of two types: those which discriminate as to the location of fault, and those which discriminate as to the type of fault. Methods Discriminative to Fault Location: The main aim is that the faulty section of the system be …

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