A New Control Scheme Based on R-APF for Harmonic Power Sharing in Islanded Microgrids

被引：0

作者：

Zeng, Zhirong ^{[1
]}

Yi, Hao ^{[1
]}

Zhuo, Fang ^{[1
]}

Wang, Zhenxiong ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Shaanxi, Peoples R China

来源：

2017 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2017年

基金：

中国博士后科学基金;

关键词：

droop control; harmonic power sharing; equivalent harmonic impedance; islanded microgrids; STRATEGY;

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：

Harmonic power can be shared by controlling the equivalent harmonic impedance of distributed generation (DG) units in islanded microgrids. This paper firstly reviews several methods for controlling the equivalent harmonic impedance of DGs and adopts the method based on resistive active power filter (R-APF). Then, a droop relationship between the equivalent harmonic impedance of DGs and their remaining power capacities (Z(DG)_S-h_eq-(DG)_(remaining) droop relationship) is put forward. And it is combined with the R-APF based control method to form the control scheme for DGs in islanded microgrids. With this control scheme, harmonic power is shared according to the remaining power capacities of DGs. Unlike many existing control schemes for harmonic power sharing, the control scheme proposed in this paper is insensitive to line impedance variations and does not need communication systems. Finally, the effectiveness of the proposed control scheme is verified by simulation results.

引用

页码：2991 / 2995

页数：5

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