Harmonic Current Suppression for Three Phase PV Generation System under Unbalanced Grid Voltage

被引：0
作者：
Shou, Ting [1 ]
Wang, Huidong [1 ]
Zhu, Tieming [1 ]
Zhu, Lianhuan [1 ]
Wang, Qianggang [2 ]
Lou, Xiaoxuan [2 ]
Wang, Jiajia [2 ]
Zhou, Niancheng [2 ]
机构：
[1] Power Supply Bur Xiaoshan, Hangzhou, Zhejiang, Peoples R China
[2] State Key Lab Power Transmiss Equipment & Syst Sa, Chongqing, Peoples R China
来源：
2013 IEEE PES ASIA-PACIFIC POWER AND ENERGY ENGINEERING CONFERENCE (APPEEC) | 2013年
关键词：
photovoltaic; unbalanced grid voltage; harmonic suppression; odd harmonic; power fluctuation; REACTIVE POWER-CONTROL; CONTROL SCHEME; PHOTOVOLTAIC INVERTERS; CONVERTERS;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The ride-through operation of photovoltaic (PV) generation under unbalanced grid voltage will produce apparent harmonic current. This paper studies on power control of PV under unbalanced voltage, and has analyzed the total harmonic distortion (THD) and each order of the harmonics in the inverter currents. Then the analytic formulas of power fluctuation, current THD and each order of current harmonic of the PV inverter are derived, and two algorithms of the adjustment coefficients of PV power control are proposed. The control strategy model of current harmonic suppression under unbalanced grid voltage is built. The feasibility of this method is verified by the simulation result produced by PSCAD/EMTDC.
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页数：6
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