Deadbeat-fuzzy controller for the power control of a Doubly Fed Induction Generator based wind power system.
ISA Transactions(2019)
摘要
This paper proposes a Fuzzy Logic Controller for improvement of the steady-state response of a Doubly Fed Induction Generator used in a wind energy system, and governed by means of a Deadbeat Power Controller. The generator mathematical model is consistent with the Stator Flux oriented strategy in the synchronous reference frame. Different simulation scenarios were developed in Matlab/Simulink to evaluate the dynamic and the steady-state responses. In order to obtain experimental results, the simulated scenarios were repeated by means of a test bench and a Digital Signal Processor board. These results demonstrate that the response still follows the power references imposed, despite the fact that the generator parameters ( Rr, Ls and Lm) were varied in a 30%. A lower steady-state error is also achieved when compared with a Deadbeat and a classical PI controller. All the aforementioned evidence the proper application of this Fuzzy Controller in a wind power system based on a Doubly Fed Induction Generator.
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关键词
Doubly fed induction generator (DFIG),Fuzzy control,Deadbeat controller,Power control,Wind generation,Renewable energy
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