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Principles of Electric Machines, 3ed, An Indian Adaptation

P.C. Sen

ISBN: 9789390395057

476 pages

INR 749

Description

Principles of Electrical Machines provides a comprehensive discourse on the characteristics and working principles of various types of electrical machines. Starting with magnetic circuits which form an integral part of electrical machines, the book goes on to cover transformers and the general principles of energy conversion. The book then extensively discusses different types of electrical machines—dc machines, three-phase induction machines, and three-phase synchronous machines; single-phase motors, which are widely used in household and office appliances.

CHAPTER 1: MAGNETIC CIRCUITS

1.1 MAGNETIC CIRCUITS

1.2 HYSTERESIS

1.3 RELATIONSHIP BETWEEN FLUX, EMF, AND FORCE

1.4 SINUSOIDAL EXCITATION

1.5 PERMANENT MAGNET

 

CHAPTER 2: TRANSFORMERS

2.1 IDEAL TRANSFORMER

2.2 PRACTICAL TRANSFORMER

2.3 VOLTAGE REGULATION

2.4 EFFICIENCY

2.5 TESTS ON TRANSFORMERS

2.6 AUTOTRANSFORMER

2.7 THREE-PHASE TRANSFORMERS

2.8 HARMONICS IN THREE-PHASE TRANSFORMER BANKS

2.9 THREE-WINDING TRANSFORMERS

2.10 PARALLEL OPERATION OF SINGLE-PHASE AND THREE-PHASE TRANSFORMERS

2.11 TAP CHANGING OF TRANSFORMERS

2.12 PER-UNIT (PU) SYSTEM

2.13 HEATING AND COOLING OF TRANSFORMERS

2.14 APPLICATIONS OF TRANSFORMERS

 

CHAPTER 3: ELECTROMECHANICAL ENERGY CONVERSION

3.1 ENERGY CONVERSION PROCESS

3.2 FIELD ENERGY

3.3 MECHANICAL FORCE IN THE ELECTROMAGNETIC

 

CHAPTER 4: MACHINE WINDINGS, MMF DISTRIBUTION, AND MAGNETIC FIELDS

4.1 WINDING ARRANGEMENT

4.2 PULSATING AND ROTATING MAGNETIC FIELD

4.3 SPACE HARMONICS

4.4 TIME HARMONICS

 

CHAPTER 5: DC MACHINES

5.1 ELECTROMAGNETIC CONVERSION

5.2 DC MACHINES

5.3 DC GENERATORS

5.4 DC MOTORS

5.5 SPEED CONTROL

5.6 PERMANENT MAGNET DC (PMDC) MOTORS

5.7 BRAKING OF DC MOTORS

5.8 PRINTED CIRCUIT BOARD (PCB)

 

CHAPTER 6: INDUCTION (ASYNCHRONOUS) MACHINES

6.1 CONSTRUCTIONAL FEATURES

6.2 INDUCED VOLTAGES

6.3 POLYPHASE INDUCTION MACHINE

6.4 THREE MODES OF OPERATION

6.5 INVERTED INDUCTION MACHINE

6.6 EQUIVALENT CIRCUIT MODEL

6.7 NO-LOAD TEST, BLOCKED-ROTOR TEST, AND EQUIVALENT CIRCUIT PARAMETERS

6.8 PERFORMANCE CHARACTERISTICS

6.9 POWER FLOW IN THREE MODES OF OPERATION

6.10 CIRCLE DIAGRAM FOR THE INDUCTION MACHINE

6.11 EFFECTS OF ROTOR RESISTANCE

6.12 CLASSES OF SQUIRREL-CAGE MOTORS

6.13 SPEED CONTROL

6.14 STARTING OF INDUCTION MOTORS

6.15 TIME AND SPACE HARMONICS

6.16 LINEAR INDUCTION MOTOR (LIM)

 

CHAPTER 7: SYNCHRONOUS MACHINES

7.1 CONSTRUCTION OF THREE-PHASE SYNCHRONOUS MACHINES

7.2 SYNCHRONOUS GENERATORS

7.3 SYNCHRONOUS MOTORS

7.4 EQUIVALENT CIRCUIT MODEL

7.5 POWER AND TORQUE CHARACTERISTICS

7.6 CAPABILITY CURVES

7.7 POWER FACTOR CONTROL

7.8 INDEPENDENT GENERATORS

7.9 PARALLEL OPERATION AND LOAD SHARING OF SYNCHRONOUS GENERATORS

7.10 SALIENT POLE SYNCHRONOUS MACHINES

7.11 SPEED CONTROL OF SYNCHRONOUS MOTORS

7.12 APPLICATIONS

 

CHAPTER 8: SINGLE-PHASE MOTORS

8.1 SINGLE-PHASE INDUCTION MOTORS

8.2 STARTING WINDING DESIGN

8.3 EQUIVALENT CIRCUIT OF A CAPACITOR-RUN MOTOR

8.4 SINGLE-PHASE SERIES (UNIVERSAL) MOTORS

8.5 SINGLE-PHASE SYNCHRONOUS MOTORS

8.6 SPEED CONTROL

 

CHAPTER 9: SPECIAL MACHINES

9.1 SERVOMOTORS

9.2 LINEAR SYNCHRONOUS MOTORS (LSM)

9.3 BRUSHLESS DC (BLDC) MOTORS

9.4 SWITCHED RELUCTANCE MOTORS (SRM)

9.5 SYNCHROS

9.6 STEPPER MOTORS

 

APPENDIX A: BALANCED THREE-PHASE CIRCUITS

APPENDIX B: UNITS AND CONSTANTS

APPENDIX C: LAPLACE TRANSFORMS

APPENDIX D: ANSWERS TO SELECTED

PROBLEMS

INDEX