Chapter 3

Modeling and Analysis of Induction Machines

Abstract

Investigates the performance of induction machines as a function of the power system’s fundamental and harmonic voltages/currents. It includes sinusoidal model of induction machine, time and space harmonics, forward- and backward-rotating harmonic magnetic fields, and magnetic field- and torque calculations based on the finite-difference method. The steady-state stability of rotating machines is reviewed, and the extension of the variable-speed range is obtained through compensation of flux weakening. Fundamental, integer, inter-, fractional and sub-harmonic torque characteristics of three-phase induction machines are analysed. The interaction of space and time harmonics, voltage-stress ...

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