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文章摘要
基于模糊控制的带动态虚拟电阻DFIG的HVRT策略优化
HVRT Optimization Control Method of Doubly Fed Induction Generator With Dynamic Shift Virtual Resistor Based On Fuzzy Optimization Control
Received:May 19, 2017  Revised:May 22, 2017
DOI:
中文关键词: 双馈风力发电机  并网  对称骤升  动态虚拟电阻  模糊控制器  高电压穿越
英文关键词: doubly fed induction generator  grid-connected  symmetrical voltage swell  dynamic virtual resistor  fuzzy controller  high voltage ride through
基金项目:吉林省科技发展计划项目
Author NameAffiliationE-mail
luxiuhe changchungongyedaxuedianqiyudianzigongchengxueyuan luxiuhe@sina.com 
majianxue* changchungongyedaxuedianqiyudianzigongchengxueyuan MJXsimaxueyin@163.com 
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中文摘要:
      随着双馈风力发电机并网运行研究的深入,电网电压对称骤升给风机并网系统带来的危害不容忽视,尤其是因风机脱网带来的经济损失和变换器件损失也引起越来越多人的关注。为研究电网电压对称骤升的控制策略,建立了1.5MW基于矢量控制方法的双馈风力发电机并网系统模型,并提出了一种带动态虚拟电阻的模糊控制器的控制策略。在电网电压骤升的情况下,减小了转子电流和电压的冲击,比原控制降低振荡幅度5%-10%左右。Matlab/simulink仿真结果也验证了此控制策略的有效性。
英文摘要:
      With the deep research on grid-connected doubly fed induction generator, it can’t be neglected about the harm grid voltage swells have caused to DFIG based wind turbines, especially financial loss and device damage. In order to study the characteristic about symmetrical voltage swells, the paper builds a 1.5MW DFIG model based on vector control and a strategy for fuzzy controller with dynamic-virtual-resistor is proposed. Not only enervating the generator output voltage and current fluctuation, but making them smooth and dampening oscillation generally about 5%-10% more than before. A simulation results verify the efficiency of the proposed strategy based on Matlab/simulink.
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