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
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Electrical Machines
Characteristics of Separately Excited DC Generators
In a separately excited dc generator, the field coils are energized from an independent source. The disadvantage of a separately excited … Continue Reading about Characteristics of Separately Excited DC Generators
Shaded Pole Induction Motors – Working and Construction
Shaded pole motor is a split phase type single phase induction motor. The shaded pole motor is very popular for ratings below 0.05 HP (~ 40 W) because … Continue Reading about Shaded Pole Induction Motors – Working and Construction
Characteristics of DC Compound Generator
In a compound generator, both series and shunt excitation are combined as shown in the figure. The characteristics of DC compound generator is … Continue Reading about Characteristics of DC Compound Generator
Losses in DC Machine ( DC Generator and Motor )
The losses in a dc machine (generator or motor) may be divided into three classes viz Copper losses Iron or core losses and Mechanical … Continue Reading about Losses in DC Machine ( DC Generator and Motor )
Power System
Why Current Transformer (CT) Seconday Should not be Open ?
Amazed why secondary of current transformer should not be open? If it is left open it may destroy the current transformer. So it is very important … Continue Reading about Why Current Transformer (CT) Seconday Should not be Open ?
Steam Power Stations – Arrangement and Working
Steam power stations convert the heat energy of coal combustion into electrical energy. A steam power station basically works on the Rankine … Continue Reading about Steam Power Stations – Arrangement and Working
Electric Potential, Potential Difference and EMF
In this article, you will study what are electric potential, the potential difference (PD) and electromotive force (emf) and the difference between … Continue Reading about Electric Potential, Potential Difference and EMF
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 system when it starts to operate … Continue Reading about Functional Characteristics of Protective Relaying
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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
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