Improved performance of a Doubly-fed Induction Generator using a Observer based controller
Publish place: 2nd Iranian National Conference on Electrical Engineering
Publish Year: 1393
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
INCEE02_023
تاریخ نمایه سازی: 19 تیر 1394
Abstract:
The application of a doubly-fed induction generator (DFIG) in variable-speed wind turbinesincludes many advantages. The active and reactive powers in the DFIG generate an interaction impact andinter-dependent relationship, affecting each other. This effect would not result in desirable referencetracking. To remove the interaction impact, common methods such as state feedback decoupling can beapplied. However, system robustness is too low against wind speed variation and consequently to that ofrotor speed, which is inevitable. This disadvantage can be overcome by the suggestion of a state observerbasedcontroller. The performance of the DFIG with this controller is simulated and compared with that ofProportional-Integral controller (PI) with state feedback decoupling.
Keywords:
doubly fed induction generator (DFIG) , active and reactive power , robust control , observer based controller
Authors
Meysam Radmehr
Department of Electrical Engineering, Payame Nor University(PNU),IRAN
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