Book Details

Electrical Machines III

Electrical Machines III

Published by uLektz

Course Code:RT31024

Author:uLektz

University: JNTU Kakinada

Regulation:2013

Categories:Electrical & Electronics

Format : ico_bookePUB3 (DRM Protected)

Type :eBook

Rs.199 Rs.30 Rs.85% off

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Description :Electrical Machines III of RT31024 covers the latest syllabus prescribed by JNTU Kakinada 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 SINGLE PHASE MOTORS

1.1 Single phase induction motors – Constructional features and the problem of starting

1.2 Double revolving field theory

1.3 AC Series motor–Compensation.

UNIT–II SYNCHRONOUS GENERATOR CONSTRUCTION AND OPERATION

2.1 Constructional features of non–salient and salient pole type

2.2 Armature windings – Distributed and concentrated windings

2.3 Distribution– Pitch and winding factors –E.M.F equation–Improvements of waveform and armature reaction– Numerical problems.

UNIT – III VOLTAGE REGULATION OF SYNCHRONOUS GENERATOR

3.1 Voltage regulation by synchronous impedance method

3.2 MMF method and Potier triangle method

3.3 Phasor diagrams - Two reaction analysis of salient pole machines and phasor diagram– Numerical problems.

UNIT – IV PARALLEL OPERATION OF SYNCHRONOUS GENERATORS

4.1 Parallel operation with infinite bus and other alternators

4.2 Synchronizing power - Load sharing

4.3 Transfer of real and reactive power - Numerical problems

UNIT–V SYNCHRONOUS MOTOR – OPERATION

5.1 Synchronous Motor principle and theory of operation - Phasor diagram – Starting torque

5.2 Variation of current and power factor with excitation

5.3 Synchronous condenser – Mathematical analysis for power developed – Numerical problems.

UNIT – VI SYNCHRONOUS MOTOR PERFORMANCE AND STARTING

6.1 Excitation and power circles

6.2 Hunting and its suppression

6.3 Methods of starting

6.4 Synchronous induction motor

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