Resonance Analysis Using Wavelet Packet Transform in Clustered Grid-connected PV System

被引：0
|
作者：
Li, Peng [1 ]
Gao, Jing [1 ]
Sun, Jian [2 ]
机构：
[1] North China Elect Power Univ, State Key Lab Alternate Elect Power Syst Renewabl, Baoding 071003, Hebei, Peoples R China
[2] State Grid Beijing Elect Power Res Inst, Beijing 100075, Peoples R China
来源：
2016 IEEE POWER AND ENERGY SOCIETY GENERAL MEETING (PESGM) | 2016年
基金：
中国国家自然科学基金;
关键词：
photovoltaic; clustered grid-connected; resonance analysis; wavelet packet transform; FORM;
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：
With the growing permeability of parallel inverters in the grid, resonance problem has frequently appeared in new energy systems and seriously affected the power quality around the world. Besides, resonance analysis is attracting more and more attention recently. Therefore, resonance problem of the clustered grid-connected photovoltaic (PV) system is urgent to be studied. To solve this problem, this paper analyzes the resonance detection principle. Moreover, wavelet packet transform principle is also analyzed. And resonance detection method is proposed based on wavelet packet transform. Finally, an algorithm is proposed in this paper to detect the resonance in traditional grid-connected PV system and clustered grid-connected PV system. Simulations verify the effectiveness of the proposed method for resonance problem in clustered grid-connected PV system.
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页数：5
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