Power Systems

Overvoltage Protection Techniques & Equipment

Overvoltage Protection – Objective, Methods & Equipment The purpose of the protective equipment in a power system is to isolate…

1 year ago

What is Corona Discharge in Power Transmission Conductors?

Corona and its Effects in Power Transmission Systems What is Corona? Corona is the term used to describe the violet…

1 year ago

Air Circuit Breakers: Features, Operation & Applications

Air Circuit Breaker Features & Operation An air circuit breaker employs atmospheric air as its interrupting medium. The arc is…

1 year ago

Residential Electrical Wiring: Key Safety Considerations

Residential Electrical Wiring Overview A residential electric power service typically consists of a three wire ac system supplied by the…

1 year ago

Electric Wiring Testing & Inspection Instruments Requirements

In order to carry out the verification process proficiently, the person conducting the inspection and test must be in possession…

1 year ago

Protective Relays: Function, Features & Operation

A protective relay is basically an electrical device that detects a fault in a power system and initiates the operation…

1 year ago

SF6 Circuit Breakers: Features, Operation & Applications

Introduction Many modern designs of circuit breakers for use at transmission voltages utilize sulphur hexafluoride (SF6) gas both as an…

1 year ago

5 Causes of High-Voltage Switchgear Failures

Switchgear is basically equipment used switch ON or OFF generators, transmission lines, distributors and other equipment under both normal and…

1 year ago

Main Types of Earthing Systems

Introduction The process of connecting the metallic frame i.e. non-current part of electrical equipment or some electrical part of the…

1 year ago

DC Transmission and Distribution

In most cases, the dc power is obtained from large ac power systems by employing converting mechanisms like synchronous or…

1 year ago