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Merz Price Differential Protection for Transformer

Merz Price Differential Protection for Transformer: Merz price differential protection is used to protect the transformer from internal short circuit, Internal ground faults and inter...
Classification Generator tripping Scheme Class A, Class B & Class C

Classification Generator tripping Scheme Class A, Class B & Class C

Classification Generator tripping Scheme Class A, Class B & Class A: The generator Tripping classified according to the fault. Protection of the generator: Voltage Controlled Over...
Through Fault

What is Through Fault

What is Through Faults: Through fault is nothing but a fault which occurs outside of the protective zone or in simple words the external fault...

Plug Setting Multiplier & Time Setting Multiplier

Plug Setting Multiplier & Time setting Multiplier Calculation: Plug setting multiplier is nothing but a ratio between the actual fault current in the relay operating...
diode failure relay

Rotating Diode Failure Relay Working Principle

Rotating Diode Failure Relay Working Principle? The diode failure relay is used to protect the alternator’s automatic voltage regulator from severe damage against the rotating...
Merz Price differential protection for generator

Merz Price Differential Protection for Generators

Biased Differential scheme (Merz-Price Scheme) for protection of Generators: This is most commonly used protection scheme for the alternator stator windings. The scheme is also...
Under Voltage protection

Under Voltage Protection Working Principle 27

Under Voltage Protection Working Principle 27: Under voltage fault protection is used to protect the alternator/generator/transformer winding from low voltage operation. Under voltage protection sense...