Electrical Machines

Electrical Substation: Equipment, Types, Components & Functions

An electrical substation is an integral part of a...

Working Principle of DC Motor

A DC motor is an electrical machine that converts...

6 DC Generator Problems with Solution – Types of DC Generator

This set of DC Generator Problems with Solution focuses...

Current Transformer (CT) – Construction and Working Principle

A current transformer (CT) is a type of transformer...

Percentage Impedance of Transformer and Its Calculation

  What is the Percentage Impedance? The percentage impedance...

Types of DC Generator – Series, Shunt and Compound

A DC generator requires MMF to establish flux in...

Working Principle of Alternator

The machine which produces 3 phase power from mechanical...

Three Phase Induction Motor: Construction and Working Principle

The three-phase induction motors are the most widely used...

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Electrical Machines

Transformers are passive electrical devices that transfer electrical energy from one circuit to another via electromagnetic induction. It is most commonly used to increase (‘step up’) or decrease (‘step down’) voltage levels between circuits.

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