Induction Machines Handbook

Induction Machines Handbook

Pages: 459

Contents:

Contents

Preface…………………………………………………………………………………………………………………………….xv

Author ……………………………………………………………………………………………………………………………xxi

Chapter 1 Induction Machine Transients…………………………………………………………………………..1

1.1 Introduction ………………………………………………………………………………………….1

1.2 The Phase-Coordinate Model………………………………………………………………….1

1.3 The Complex Variable Model …………………………………………………………………4

1.4 Steady State by the Complex Variable Model……………………………………………7

1.5 Equivalent Circuits for Drives…………………………………………………………………9

1.6 Electrical Transients with Flux Linkages as Variables…………………………….. 12

1.7 Including Magnetic Saturation in the Space-Phasor Model………………………. 14

1.8 Saturation and Core Loss Inclusion into the State-Space Model……………….. 16

1.9 Reduced-Order Models ……………………………………………………………………….. 21

1.9.1 Neglecting Stator Transients……………………………………………………..22

1.9.2 Considering Leakage Saturation ………………………………………………..23

1.9.3 Large Machines: Torsional Torque……………………………………………..25

1.10 The Sudden Short Circuit at Terminals…………………………………………………..28

1.11 Most Severe Transients (So Far)……………………………………………………………. 31

1.12 The abc–d-q Model for PWM Inverter-Fed IMs………………………………………34

1.12.1 Fault Conditions ………………………………………………………………………36

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