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Circuit Breaker

Protective relay working

What are Protective Relays? | Types and Working

What is a Protective Relay? The protective relay was invented more than 160 years ago. During the last 60 years, … Continue Reading

Switchgear-control-panel

What is Switchgear? | Features, Components and Classification

What is Switchgear? Definition of Switchgear: The apparatus used for switching, controlling and protecting the electrical circuits and equipment is known as switchgear. … Continue Reading

Breaker failure relay

Breaker Failure Relay (Back-up Protection Relay)

Each year as line and system loading increase and more operating companies superimpose higher voltage transmission systems on existing facilities, … Continue Reading

RCD ELCB RCCB Working

Residual Current Protective Devices (RCCB, ELCB & RCBO)

What is an RCD? A Residual Current Device (RCCB, ELCB, RCBO, GFCI etc.) is a device that is designed to … Continue Reading

moulded case circuit breaker

Moulded Case Circuit Breaker (MCCB) – Types and Working

Moulded Case Circuit Breaker is an electromechanical device which protects a circuit from overcurrent and short circuit. It provides overcurrent … Continue Reading

ACB Air Circuit Breaker

Working of Air Circuit Breakers

What is an ACB? A circuit breaker in which the contacts open and close in the air at atmospheric pressure … Continue Reading

Vacuum Circuit Breaker Module

Vacuum Circuit Breaker (VCB) – Principle, Construction and Working

What is VCB? VCB stands for Vacuum Circuit Breaker. In vacuum circuit breakers, the vacuum is used as the arc quenching … Continue Reading

Parallel operation of single phase transformer

Parallel Operation of Single Phase Transformers

By parallel operation of single-phase transformers, we mean two or more transformers are connected to the same supply bus bars on … Continue Reading

Insulation Resistance Tester Megger

Insulation Resistance Test (IR Test) or Megger Test

Insulation Resistance or IR Test is carried out by maintenance engineers to ensure the healthiness of the overall insulation system … Continue Reading

Miniature Circuit Breakers

MCB (Miniature Circuit Breakers) – Types, Working and Trip Curves

MCB or Miniature Circuit Breaker is an electromechanical device that protects an electric circuit from an overcurrent. The overcurrent in an electrical circuit may … Continue Reading

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  • How to Optimize Energy Efficiency in Factories
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  • Vertical Core Type Induction Furnace (Ajax-Wyatt Furnace)
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