Basic Electrical and Electronics Engineering: Unit II: Electrical Machines

Starting of Single Phase Induction Motor

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A single phase induction motor is not self starting. To overcome this an auxiliary winding is provided in the stator in additions to the main winding

STARTING OF SINGLE PHASE INDUCTION MOTOR

A single phase induction motor is not self starting. To overcome this an auxiliary winding is provided in the stator in additions to the main winding, so the motor starts as a two phase motor is shown in fig 3.71.

When the motor speed is reached 75% of synchronous speed the auxiliary winding is disconnected from the circuit. This is done by the centrifugal switch which is connected in the auxiliary winding, and is used for starting purpose only, so it is called starting winding. Under running condition a single phase induction motor can develop torque with only the main winding so it is called running winding.

Basic Electrical and Electronics Engineering: Unit II: Electrical Machines : Tag: : - Starting of Single Phase Induction Motor

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Basic Electrical and Electronics Engineering: Unit II: Electrical Machines

Introduction of DC Generator in Electrical Machines

Constructional Details of DC Generator

Principle of Operation for DC Generator

EMF Induced in a DC Generator - with Solved Example Problems

Types of DC Generators - with Solved Example Problems

Characteristics of DC Generators

Applications of DC Generators

Concept of DC Motor - Electrical Machines

Principle of Operation for DC motor

Back emf of DC Motor - with Solved Example Problems

Types of DC Motors - with Solved Example Problems

Torque Equation of DC Motor

Speed and Torque Equation of DC Motor - with Solved Example Problems

Characteristics of DC Motors

Applications of DC Motors

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