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文章摘要
三相PWM整流器新型复合控制策略的性能研究
Study on the Performance of Novel Compound Control Strategy of Three-phase PWM Rectifier
Received:October 21, 2014  Revised:October 21, 2014
DOI:
中文关键词: PWM整流器 PI控制策略  模糊控制 前馈补偿  准PR控制
英文关键词: PWM  rectifier, PI  control strategy, fuzzy  control, feed-forward  compensation, quasi-PR  control
基金项目:上海市科技创新行动计划地方院校能力建设项目 项目编号:13160500900
Author NameAffiliationE-mail
HUANG Jin* College of Electronic and Information Engineering,Shanghai University of Electric Power 1040408962@qq.com 
CAO Yi-long College of Electronic and Information Engineering,Shanghai University of Electric Power  
ZHAO Zhuan College of Electronic and Information Engineering,Shanghai University of Electric Power  
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中文摘要:
      由于三相电压型PWM整流器(VSR)采用传统PI控制策略难以在较大扰动和控制对象变化的情况下获得良好的调节效果,论文在传统的双闭环控制策略基础上,将PI控制与模糊控制相结合应用于电压外环控制,并将负载电流作为其前馈补偿,电流内环采用准PR(比例谐振)控制策略,为此提出了一种新型双闭环复合控制方法。通过MATLAB/Simulink仿真,结果表明了系统不仅有优良的动稳态性能,而且对外界扰动具有很强的鲁棒性。验证了该种控制方案的可行性。
英文摘要:
      Since three-phase voltage source PWM rectifier (VSR) using conventional PI control strategy is difficult to obtain good regulation results in the case of large disturbances and changes of the control object, based on the traditional double closed loop control strategy, this paper makes the combination with PI control and fuzzy control, applied to the outer voltage control, and takes load current as feed-forward compensation, the inner current control loop uses quasi-PR (proportional resonance) control strategy. Thus, a new type of double-loop complex control method is proposed. The control system is simulated by MATLAB/Simulink,the results show that the system not only has excellent dynamic and steady state performance, but also has a strong robustness to the external disturbance,which verifies the feasibility of the scheme.
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