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Modeling and Analysis of Doubly Fed Induction Generator Wind Energy Systems by Zhixin Miao, Lingling Fan

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Chapter 3

Modeling of Doubly Fed Induction Generation (DFIG) Converter Controls

Abstract

This chapter presents induction machine control, doubly fed induction generator (DFIG) rotor side converter control, and DFIG grid-side converter control. Vector control principals for each type of control are derived first. Then plant models for outer loop controls and inner current controls are presented. Feedback control design follows the plant models. The overall DFIG dynamic model block diagram is then given. The chapter presents two simulation examples. The first one is a PSCAD simulation of a two-level converter under sine PWM. This example is used to explain the assumption adopted throughout this book that the converter output voltages can be assumed ...

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