Corona Effect in Power System
What is Corona? The phenomenon of violet glow, hissing noise and production of ozone gas in an overhead transmission line is … Continue Reading
Function of Protective Relays in Power System
We usually think of an electric power system in terms of its more impressive parts – the big generating stations, transformers, … Continue Reading
Video Tutorial: Electrical Impedance – A Practical View
In this two part video series we discuss the basics of electrical impedance from a practical standpoint. A simple LED … Continue Reading
Working Principle of Alternator
The machine which produces 3 phase power from mechanical power is called an alternator or synchronous generator. The working of an … Continue Reading
IEC 61850 – Substation Automation – Fundamentals
What is IEC 61850? IEC 61850 is a standard for the design of electrical substation automation. It is the base … Continue Reading
Rectifier Transformer – Working Principle and Application
What is the Rectifier Transformer? Rectifier transformers are different from normal power and distribution transformers because they are special transformers … Continue Reading
Series and Parallel Circuits – A Water Analogy
There are two basic ways in which to connect more than two circuit components – series and parallel. This video explains … Continue Reading
Ohms Law – Simon Ohms Amazing Experiment and Results
We all learn Ohms law from our elementary school. This a magical formula that solves most of the problems in … Continue Reading
Functional Characteristics of Protective Relaying
The principal function of protective relaying is to cause the prompt removal from service of any element of the power … Continue Reading
Basic Types of Current Transformers
Current Transformers (CT’s) are instrument transformers that are used to supply a reduced value of current to meters, protective relays, and … Continue Reading