Before learning about different switchgear components, let us understand what is switchgear. The apparatus used for switching, controlling and protecting the electrical circuits and equipment is known as switchgear. Switchgears are …
A basic understanding of the fundamental concepts of current and voltage requires a degree of familiarity with the atom and structure of atom. The matter has mass and takes up …
What is a Protective Relay? The protective relay was invented more than 160 years ago. During the last 60 years, it has undergone considerable change, the most obvious of which …
Continue ReadingWhat 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 why the transformer does not work on the DC supply. …
The types of internal wiring usually employed are: Cleat wiring: Wooden Casing and Capping Wiring CTS or TRS Wiring Conduit Wiring Cleat Wiring In this system of internal wiring the …
Continue ReadingSystems of Wiring – Introduction to Electrical Wiring
Solid state materials can be classified into three groups: insulators, semiconductors conductors. Insulators have no free charge carriers available with them under normal conditions. Conducting materials have plenty of free …
Continue ReadingInsulators, Conductors and Semiconductors (with Band Diagram)
An electrical engineer is someone who designs and develops new electrical equipment, solves problems and tests equipment. They work with all kinds of electronic devices, from the smallest pocket devices …
An alternator operates on the same fundamental principle of electromagnetic induction as a DC generator i.e., when the flux linking a conductor changes, an e.m.f. is induced in the conductor. Like …
Continue Reading4 Advantages of Stationary Armature in Alternator
What is an ACB? A circuit breaker in which the contacts open and close in the air at atmospheric pressure is defined as an Air Circuit Breaker. The working of …