M. Tuka, Niguse Assefa Abebe, Fetlework Kedir Abdu
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引用次数: 0
Abstract
The demand for energy is increasing that can be met with Doubly Fed Induction Generator (DFIG) based Wind Energy Conversion System (WECS). In this paper, A 2 MW DFIG was used as the plant. To limit the shortcomings of a Proportional-Integral (PI) controller, Fuzzy Logic (FL), Fuzzy-PI, and Artificial Neuro-Fuzzy Inference System (ANFIS) controllers are being designed. The system is modeled in a MATLAB/Simulink. A comparative analysis of PI, Fuzzy, Fuzzy-PI, and ANFIS are presented. Taking a steady state error (SSE) as an objective function of performance index, the PI controller results with a 2.9084 A, Fuzzy with 0.8668 A, Fuzzy-PI with 7.654 A, and ANFIS, with 11.5472 A. Hence, the Fuzzy logic controller-based system is found to be the best candidate for SSE control of rotor current. An ANFIS-based controller has the best settling time for rotor currents control, whereas the Fuzzy-PI found to be best for SSE and torque control.
基于双馈感应发电机(DFIG)的风能转换系统(WECS)可以满足日益增长的能源需求。本文采用a2mw双馈发电机组作为电厂。为了限制比例积分(PI)控制器的缺点，模糊逻辑(FL)、模糊PI和人工神经模糊推理系统(ANFIS)控制器被设计出来。在MATLAB/Simulink中对系统进行了建模。对PI、Fuzzy、Fuzzy-PI和ANFIS进行了比较分析。以稳态误差(SSE)作为性能指标的目标函数，PI控制器的输出功率为2.9084 a，模糊输出功率为0.8668 a, Fuzzy-PI输出功率为7.654 a, ANFIS输出功率为11.5472 a。因此，基于模糊逻辑控制器的系统是转子电流SSE控制的最佳候选。基于anfi的控制器对转子电流控制具有最佳的稳定时间，而基于Fuzzy-PI的控制器对SSE和转矩控制具有最佳的稳定时间。
期刊介绍：
Having been in continuous publication since 1977, Wind Engineering is the oldest and most authoritative English language journal devoted entirely to the technology of wind energy. Under the direction of a distinguished editor and editorial board, Wind Engineering appears bimonthly with fully refereed contributions from active figures in the field, book notices, and summaries of the more interesting papers from other sources. Papers are published in Wind Engineering on: the aerodynamics of rotors and blades; machine subsystems and components; design; test programmes; power generation and transmission; measuring and recording techniques; installations and applications; and economic, environmental and legal aspects.
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