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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...
Directional Over Current Relay Explanation

Directional Over Current & Non Directional Over Current Protection Working Principle

Directional Over Current & Non Directional Over Current Protection Working Principle: Directional Earth Fault Relay is used to protect the transformer/generator/alternator from over current fault....
UAT differential protection

Unit Auxiliary Transformer (UAT) Differential Protection 87UAT

Unit Auxiliary Transformer (UAT) Differential Protection: Unit Auxiliary Transformer (UAT) differential protection is used to protect the generator and transformer’s winding internal short circuit, inter...
rocof protection for alternator

Rate Of Change Of Frequency (ROCOF) Protection df/dt Working Principle

Rate Of Change Of Frequency (ROCOF) Protection df/dt working Principle: Rate Of Change Of Protection is used for load shedding in situations where sudden loss...
Dead Machine Protection

Dead Machine Protection Working Principle – 94G ANSI Code

Dead machine Protection Working Principle -94G ANSI Code Dead machine protection is used to protect the generator or alternator from accidental circuit breaker closing when...
Lock out relays

Lockout Relay Working Function 86

Lockout Relay Working Function 86: Lockout relays are nothing but a manual reset relays, which ensure the fault has been cleared or inspected correctly. Lockout...
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...
PT fuse failured relay

PT Fuse Failure Relay Working Principle VTFF

PT Fuse Failure Relay Working Principle VTFF: PT Fuse Failure Relay VTFF is used to sense the PT fuses healthiness. Generally, In high voltage power...