Evolution of Electric Power Systems
The commercial use of electricity began in the late 1870s when arc lamps were used for lighthouse illumination and street … Continue Reading
Power System
Types of Power Plants
What is the Power Plant? A power plant is an assembly of systems or subsystems to generate electricity, i.e., power … Continue Reading
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 (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
Effects of Variable Load on Power Station
The load on a power station varies from time to time due to uncertain demands of the consumers and is … Continue Reading
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 (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
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
Why Neutral Grounding or Neutral Earthing is Essential?
Neutral grounding, also known as neutral earthing, involves connecting the neutral point of the supply system, rotating machines, or transformers … Continue Reading
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