Overview of Solid-State Excitation Schemes for Autonomous Induction Generators

A. Kuperman and R. Rabinovici (Israel)

Keywords

energy conversion, induction generator, solidstate excitation, PWM inverter

Abstract

In this paper various induction generator (IG) schemes with solid-state excitation employed in wind energy conversion systems are presented. Advantages and disadvantages of these schemes over static excitation schemes are described. Different methods of controlling voltage source pulse-width modulated (PWM) inverters, which are used as solid-state excitation sources, are presented. Moreover, some new ideas are shown about IG operation with an unsymmetrical and unbalanced load. Use of active power filters for reactive power compensation and harmonics elimination is also suggested. Finally, a perspective of using such systems for practical purposes is given.

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