The electromagnetism lecture notes is a book to provide an introduction to Electromagnetism for Electrical and Electronics Engineers. These are compiled by David Tong, Department of Applied Mathematics and Theoretical Physics, University of … Continue Reading about [PDF] Electromagnetism Lecture Notes – University of Cambridge
Main Content
Electrical Machines
Properties of Good Transformer Oil
Even though the basic functions of the oil used in transformers are heat conduction and electrical insulation, there are many other properties which … Continue Reading about Properties of Good Transformer Oil
AC Single Phase Motors
Single phase motors are the most familiar of all electric motors because they are extensively used in home appliances, shops, offices etc. It is true … Continue Reading about AC Single Phase Motors
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 other … Continue Reading about Basic Types of Current Transformers
Working Principle of Transformer
A transformer is a static piece of equipment used either for raising or lowering the voltage of an AC supply with a corresponding decrease or increase … Continue Reading about Working Principle of Transformer
Power System
Auto Reclosing of Power Lines and Types of Faults
The goal of the auto reclosing in power lines is to restore the line to service as quickly as possible after a temporary fault in the transmission … Continue Reading about Auto Reclosing of Power Lines and Types of Faults
Construction of Underground Cables
An underground cable essentially consists of one or more conductors covered with suitable insulation and surrounded by a protecting cover. Although … Continue Reading about Construction of Underground Cables
Types of Underground Cables
In practice, different types of underground cables are generally required to deliver 3-phase power. For the purpose, either three-core cable or three … Continue Reading about Types of Underground Cables
Breaker Failure Relay (Back-up Protection Relay)
Each year as line and system loading increase and more operating companies superimpose higher voltage transmission systems on … Continue Reading about Breaker Failure Relay (Back-up Protection Relay)
Featured
Electrical Engineering Basics: The Ultimate Guide
This is the complete guide to learn electrical engineering basics in 2019. The study of electrical engineering involves the analysis of the energy transfer from one form to another or from one point to another. So before beginning the actual study of electrical engineering, it is necessary to … Continue Reading about Electrical Engineering Basics: The Ultimate Guide
Latest Articles
Substation Bus Configuration / Scheme: The Definitive Guide
In this article, you will learn different types of substation bus configuration and their application. The equipment and buses installed in the … Continue Reading about Substation Bus Configuration / Scheme: The Definitive Guide
Amplidyne – Working and Application
An amplidyne is an electromechanical amplifier with the characteristics of a rotating machine. It was invented prior to the second world war by Ernst … Continue Reading about Amplidyne – Working and Application
How to Test Percentage Impedance of Transformer?
This article covers transformer impedance testing, one of the acceptances tests for new transformers, and a method for routine testing. The results of … Continue Reading about How to Test Percentage Impedance of Transformer?
Aeolian Vibration of Transmission Conductors
What is Aeolian Vibration? Aeolian vibration is a type of motion caused by wind on conductors and overhead shield wires of transmission and … Continue Reading about Aeolian Vibration of Transmission Conductors
Electrical Substation: Equipment, Types, Components & Functions
An electrical substation is an installation with electrical equipment capable of interrupting or establishing electrical circuits and changing the … Continue Reading about Electrical Substation: Equipment, Types, Components & Functions
Transformer Bushing Types : RIP Bushing vs OIP Bushing
Transformer bushing types are categorized based on their material, manufacturing, and design mainly into the following types: OIP … Continue Reading about Transformer Bushing Types : RIP Bushing vs OIP Bushing
GFCI (Ground Fault Circuit Interrupter) – Working, Types, Installing and Troubleshooting
A ground fault circuit interrupter (GFCI or GFI) is an inexpensive electrical switchgear device that can either be installed in your electrical system … Continue Reading about GFCI (Ground Fault Circuit Interrupter) – Working, Types, Installing and Troubleshooting
Square D QO Circuit Breakers
QO stands for Qwik-Open. Square D QO Circuit Breakers are fastest tripping circuit breakers at 1/60th of a second. QO™ Circuit Breakers provide the … Continue Reading about Square D QO Circuit Breakers