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SVPWM算法中消除偶次谐波的优化及仿真 被引量:5

Optimization and Simulation of Elimination of Even Order Harmonics Based on SVPWM Vector Control
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摘要 为了消除矢量控制中的偶次谐波,在分析了偶次谐波产生的原因的基础上,提出了一种能够消除偶次谐波并减少开关损耗的SVPWM算法。该算法将常规的7段式开关顺序变为了5段式开关顺序,减少了开关次数,从而既降低了开关损耗,又消除了偶次谐波。文章最后利用Matlab/Simulink对该算法进行了仿真,验证了该算法的正确性与可行性。 In order to eliminate the even harmonic vector control,the reasons causing even order harmonics are analyzed,and a novel SVPWM algorithm,which can eliminate the even harmonics and reduce the switching losses,is put forward.In the algorithm,the seven-stages-switch order is replaced by the five-stages-switch order to reduce the number of order switch.As a result,the switch loss is reduced,and even order harmonics is eliminated as well.The simulation testing is carried out by using Matlab/Simulink.The experimental results show that the algorithm is valid and feasible.
出处 《西华大学学报(自然科学版)》 CAS 2011年第5期69-72,共4页 Journal of Xihua University:Natural Science Edition
关键词 SVPWM 电压空间矢量 偶次谐波 开关损耗 逆变器 SVPWM voltage space-vector even order harmonics switching loss inverter
作者简介 张广军(1979-),男,硕士研究生,主要研究方向为电力电子技术在电力系统中的应用。 通信作者:舒欣梅(1973-),女,副教授,硕士,主要研究方向为电能质量的检测与应用、智能控制。E-mail:xinmei.s@163.com
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