Improving the performance of wind turbine equipped with DFIG using STATCOM based on input-output feedback linearization controller

سال انتشار: 1395
محل انتشار: فصلنامه تجهیزات و سیستم های انرژی، دوره: 4، شماره: 1
کد COI اختصاصی: JR_EES-4-1_007
زبان مقاله: انگلیسی
تعداد مشاهده: 844

نویسندگان

Islamic Azad University, Isfahan, Iran

چکیده

Using the FACTS controllers, such as static synchronous compensator (STATCOM), as it provides continuous reactive power, in the grid including wind turbine (WT) equipped with doubly fed induction generator, for improving voltage profile (under normal circumstances) and providing a transition ability from inductor generator transitionstate has been proposed. In this paper, in order to control the controllers and explained goals, nonlinear controller, as a substitutefor the traditional controller, is presented. Replacing STATCOM controller in wind farm, which is equipped with doubly fed inductiongenerator (DFIG) using input-output feedback linearization controller, the needed reactive power in order to stable wind farm equipped withDFIG is considered when error is occurred. The proposed control method has been simulated for IEEE-9 Bus, bus No 5, and theachievability to the desired targets in STATCOM efficiency for itsreactive power has been investigated. The reasons of using these controllers in bus 5 are voltage dropping and reducing reactive power in this bus. It can be seen by compensating for voltage and reactive power in this bus that these two parameters have improved in otherbuses. The results show that with the proposed controller, STATCOM has done its duty well and the network bus voltage and reactive power to sustain the wind farm equipped with DFIG in transient mode is provided.

کلیدواژه ها

Doubly Fed Induction Generator, Static Synchronous Compensator, Transition State, Wind Farm,Input-Output Feedback Linearization Controller

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