Sumpner Test of Transformer: While OC and SC tests on a transformer yield its equivalent circuit parameters, these cannot be used for the 'heat run' test wherein the purpose is…
Transformers Articles: How does a Transformer Work and Purpose of Transformer: How does a Transformer Work – A Transformer Circuit is a static device comprising coils coupled through a magnetic…
Electrical Machines Articles: This Electrical Machines Articles which includes the following topics: Electric Generator Diagram Types of Rotating Electric Machine Recent Trends in Electric Machines Magnetic Field Equation BH Curve…
Regulated and Switching Power Supplies Articles: Regulated and Unregulated Power Supply: Almost all electronic devices used in electronic circuits need a dc source of power to operate. The source of…
Introduction to TQM Interview Questions and Answers: 1. What is TQM? Ans. It is the art of managing the whole to achieve excellence. It is defined as both the philosophy…
Difference between Static Relays and Electromagnetic Relays: The conventional electromagnetic relays are robust and quite reliable, but are required to operate under different forces under fault conditions. This leads to…
Resistance Heating - Types, Advantages and Applications: Resistance heating is based upon the I2R effect. This method of heating has wide applications such as heat treatment of metals (annealing, hardening…
Different Types of Traction System: The various types of traction system commonly used are described below. 1. Direct Steam Engine Drive. The steam engine drive used to be widely employed…