Book Details

Special Electrical Machines

Special Electrical Machines

Published by uLektz

Course Code : ULZ0189
Author : uLektz
University : General for All University
Regulation : 2017
Categories : Electrical & Electronics
Format : ico_bookePUB3 (DRM Protected)
Type :

eBook

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Description :Special Electrical Machines of ULZ0189 covers the latest syllabus prescribed by General for All University for regulation 2017. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

Topics
UNIT I SYNCHRONOUS RELUCTANCE MOTORS

1.1 Constructional features - Types - Axial and Radial flux motors - Operating principles

1.2 Variable Reluctance and Hybrid Motors

1.3 SYNREL Motors

1.4 Voltage and Torque Equations- Phasor diagram

1.5 Steady-state phasor diagram

1.6 Characteristics

UNIT II STEPPER MOTORS

2.1 Constructional features - Principle of operation

2.2 Variable reluctance motor

2.3 Hybrid motor

2.4 Single stack and Multi stack configurations

2.5 Torque equations

2.6 Modes of excitation

2.7 Characteristics

2.8 Drive circuits

2.9 Microprocessor control of stepper motors - Closed loop control

2.10 Stepper motor close loop mode

UNIT III SWITCHED RELUCTANCE MOTORS (SRM)

3.1 Constructional features

3.2 Rotary and Linear SRM - Principle of operation - Torque production

3.3 Steady state performance prediction

3.4 Analytical method

3.5 Power Converters and their controllers

3.6 Methods of Rotor position sensing

3.7 Sensorless operation

3.8 Closed loop control of SRM - Characteristics

3.9 Characteristics

UNIT IV PERMANENT MAGNET BRUSHLESS D.C. MOTORS

4.1 Permanent Magnet materials - Magnetic Characteristics

4.2 Permeance coefficient

4.3 Principle of operation

4.4 Types

4.5 Magnetic circuit analysis

4.6 EMF and torque equations

4.7 Commutation

4.8 Power controllers

4.9 Motor characteristics and control

UNIT V PERMANENT MAGNET SYNCHRONOUS MOTORS (PMSM)

5.1 Principle of operation

5.2 Ideal PMSM - EMF and Torque equations

5.3 Armature reaction MMF - Synchronous Reactance

5.4 Sinewave motor with practical windings - Phasor diagram - Torque/speed characteristics

5.5 Power controllers

5.6 Converter Volt-ampere requirements

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