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首页> 外文期刊>Energy >Novel fuzzy logic based sensorless maximum power point tracking strategy for wind turbine systems driven DFIG (doubly-fed induction generator)
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Novel fuzzy logic based sensorless maximum power point tracking strategy for wind turbine systems driven DFIG (doubly-fed induction generator)

机译：基于新型模糊逻辑的DFIG（双馈感应发电机）驱动的风力发电机系统无传感器最大功率点跟踪策略

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摘要

This paper presents a novel FLC MPPT (fuzzy logic sensorless maximum power point tracking) method for WECS (wind energy conversion systems). The proposed method greatly reduces the speed variation range of the wind generator which leads to the downsizing the PWM (pulse width modulation) back-to-back converters by approximately 40% in comparison with conventional techniques. The method also increases the system's reliability by reducing the converter losses. Firstly, a MRAS (model reference adaptive system) based on fuzzy logic technique is used to estimate the DFIG (doubly-fed induction generator) rotor's speed. Then, a FLC MPPT (Fuzzy Logic Maximum Power Point Tracking) method is applied to provide the reference electromagnetic torque. Subsequently, in order to achieve the overall sensorless MPPT technique, the wind power is approximated from estimated generator speed and the reference of electromagnetic torque. Finally, the wind speed is estimated from the mechanical power using a fuzzy logic technique. The proposed control method has been applied to a WTG (wind turbine generator) driving a 3.7 kW DFIG in variable speed mode. In order to validate the simulation results, experimental tests have been performed on a 3.7 kW test bench, consisting of a DFIG and DC motor drive.
机译：本文提出了一种用于WECS（风能转换系统）的FLC MPPT（模糊逻辑无传感器最大功率点跟踪）方法。所提出的方法大大减小了风力发电机的速度变化范围，与传统技术相比，这导致了PWM（脉宽调制）背靠背转换器的尺寸减小了约40％。该方法还通过减少转换器损耗来提高系统的可靠性。首先，基于模糊逻辑技术的MRAS（模型参考自适应系统）用于估计DFIG（双馈感应发电机）转子的速度。然后，采用FLC MPPT（模糊逻辑最大功率点跟踪）方法来提供参考电磁转矩。随后，为了实现整体的无传感器MPPT技术，根据估算的发电机速度和电磁转矩的参考值来估算风能。最后，使用模糊逻辑技术根据机械功率估算风速。所提出的控制方法已应用于在变速模式下驱动3.7 kW DFIG的WTG（风力发电机）。为了验证仿真结果，已在由DFIG和直流电动机驱动器组成的3.7 kW试验台上进行了试验测试。

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  • 来源
    《Energy》 |2014年第11期|679-693|共15页
  • 作者

    K. Belmokhtar; M.L. Doumbia; K. Agbossou;

  • 作者单位

    Hydrogen Research Institute, Universite du Quebec a Trois-Rivieres, (P.O. Box 500), Trois-Rivieres, Quebec G9A 5H7, Canada;

    Hydrogen Research Institute, Universite du Quebec a Trois-Rivieres, (P.O. Box 500), Trois-Rivieres, Quebec G9A 5H7, Canada;

    Hydrogen Research Institute, Universite du Quebec a Trois-Rivieres, (P.O. Box 500), Trois-Rivieres, Quebec G9A 5H7, Canada;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    MPPT algorithm; WECS; Sensorless control; Fuzzy logic; MRAS; DFIG serial communication;

    机译：MPPT算法;WECS;无传感器控制;模糊逻辑;MRAS;DFIG串行通讯;

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