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Difference Between IDMT DT and Instantaneous Relays

Difference between IDMT DT and Instantaneous relays: Generally, the over current relays are differentiating with their time of operation. The most commonly used over current...

Partial Differential Protection | Scheme | Working Principle

What is Partial Differential Protection: Partial differential protection is used to protect the bus bar from over loading, provide the backup protection for main bus...

Vector Surge Relay Working Principle | Main Decoupling Relay | MRN Relay

Vector Surge Relay Working Principle: Vector surge relay is used to protect the transformer/generator/alternator from grid disturbance such as grid failure, grid interruption, vector surge...

Motor Protection Relay MPR Relay Working Principle Higher HP & High Voltage Motor

Motor Protection Relay MPR Relay Working Principle: Motor Protection relays are used to protect the higher HP high voltage induction motor. When we increase the...

Harmonic In Electrical | How Electrical Harmonics Occurs in Power system

What is Harmonic in Electrical: Harmonic in electrical is nothing but an integer multiplication of fundamental frequency. Harmonic are an unwanted distorted waveform which frequency...

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...

Single Phase Preventer Working Principle | Induction Motor Protection

Single Phase Preventer Working Principle: Single phase preventer is used to protect the induction motor from single phasing fault. Single phasing is a very dangerous...

Current Based Relay | Voltage Based Relay

Current based relay | Voltage based relay: Current based relay: Current based relay is nothing but an operating element or relay coil is designed to operate...

Phase Reversal Protection | Induction Motor Protection

Phase Reversal Protection | Induction Motor Protection: Phase reversal protection is used to protect the induction motor, from running in reverse direction. Normally running a...

Phase Fault Protection | Induction Motor Protection

Phase Fault Protection | Induction Motor protection Phase fault protection is nothing but an attracted armature type relay unit is connected in each phase current...