Special Electrical Machines

 Course Code : EE6703 Author : Ulektz University : Anna University, Tamil Nadu Regulation : 2013 Categories : Electrical & Electronics Format : ePUB3 (DRM Protected) Type : eBook

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Description :Special Electrical Machines of EE6703 covers the latest syllabus prescribed by Anna University, Tamil Nadu for regulation 2013. 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 Motors

1.3 Voltage and Torque Equations - Phasor diagram

1.4 Performance characteristics - Applications

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-Concept of lead angle - Applications

UNIT III SWITCHED RELUCTANCE MOTORS (SRM)

3.1 Constructional features

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

3.4 Analytical method

3.5 Power Converters and their controllers

3.6 Methods of Rotor position sensing

3.7 Sensor-less operation

3.8 Characteristics and Closed loop control

UNIT IV PERMANENT MAGNET BRUSHLESS D.C. MOTORS

4.1 Permanent Magnet materials and Minor hysteresis loop and recoil line - 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 Converter Circuits and their controllers

4.9 Motor characteristics and control - Applications

UNIT V PERMANENT MAGNET SYNCHRONOUS MOTORS (PMSM)

5.1 Principle of operation

5.2 Ideal PMSM- EMF and Torque equations

5.3 Armature MMF - Synchronous Reactance

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

5.5 Power controllers

5.6 Converter Volt-ampere requirements - Applications