A PLC is a user-friendly, microprocessor based specialized computer that carries out control functions of many types and levels of … Read more14 Lectures on Programmable Logic Controllers (PLC)

According to IEEE/ANSI Std. an electrical bushing is defined as “an insulating structure, including a through conductor or providing a … Read moreElectrical Bushings – Types, Purpose and Construction with Diagrams

An “air break switch’ is a switchgear device that uses air as the dielectric. Air Break Switches (ABS) are widely … Read moreAir Break Switch – Types and Uses

Before learning about different switchgear components, let us understand what is switchgear. The apparatus used for switching, controlling and protecting … Read moreBasic Types of Switchgear Components

A basic understanding of the fundamental concepts of current and voltage requires a degree of familiarity with the atom and … Read moreElectronic Structure of Atom

The main differences between the gasoline (petrol) engine and the diesel engine are: A gasoline engine intakes a mixture of … Read moreDifference between Diesel Engine and Petrol Engine

What is a Protective Relay? The protective relay was invented more than 160 years ago. During the last 60 years, … Read moreWhat are Protective Relays? | Types and Working

Did you ever think about what will happen to a transformer on dc supply? In this article, you will learn … Read moreWhy Transformer does not work on DC supply?

The commercial use of electricity began in the late 1870s when arc lamps were used for lighthouse illumination and street … Read moreEvolution of Electric Power Systems