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PWM整流型电动汽车充电机的谐波与超高次谐波分析

Kaiyu TANG,Jun YIN,Haiyan WANG,Cheng LI,Huashen LIU,Yicang LI,Xiangqian TONG

Power Capacitor & Reactive Power Compensation（2018）

Cited 7|Views6
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Abstract
随着电动汽车及其充电桩的快速增加,电动汽车充电机将成为电网中一类重要的非线性负荷.新型充电机多采用单位功率因数的PWM整流器,功率因数高,但是会产生40次以上的超高次特征谐波,PWM调制死区的存在也会导致网侧电流出现低次非特征谐波.本文从理论上分析了基于PWM控制的新型充电机的谐波特性,并通过仿真和充电站的实际测试结果证实了新型充电机的谐波频谱特征.
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