弱电网条件下多APF并网交互影响分析

doi:10.11930/j.issn.1004-9649.202007180

中国电力 ›› 2020, Vol. 53 ›› Issue (11): 23-30,88.DOI: 10.11930/j.issn.1004-9649.202007180

• 国家“十三五”智能电网重大专项专栏：（二）电能质量及其治理技术专栏 • 上一篇下一篇

弱电网条件下多APF并网交互影响分析

王何, 李雨佳, 尹忠东, 汪章明, 赵海森

新能源电力系统国家重点实验室（华北电力大学），北京 102206

收稿日期:2020-07-31 修回日期:2020-09-22 出版日期:2020-11-05 发布日期:2020-11-05
通讯作者: 国家重点研发计划重点专项资助项目(2016YFB010900)；国家电网公司科技项目(52153218000C)
作者简介:王何(1996—)，男，硕士研究生，从事配电网电能质量研究，E-mail：dahe@ncepu.edu.cn;尹忠东(1968—)，男，通信作者，博士，教授，从事电能质量综合评估与治理、电动汽车储能方面研究，E-mail：yzdncepu@163.com
基金资助:
This work is supported by National Key Research & Development Plan of China (No.2016YFB010900) and Science & Technology Project of SGCC (No.52153218000C)

Analysis on Interactive Influences among Multiple APFs Connected to Weak-structured Power System

WANG He, LI Yujia, YIN Zhongdong, WANG Zhangming, ZHAO Haisen

State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electrical Power University, Beijing 102206, China

Received:2020-07-31 Revised:2020-09-22 Online:2020-11-05 Published:2020-11-05

摘要/Abstract

摘要： 多有源电力滤波器（APF）并入区域配电网时，控制回路间存在复杂的负交互影响，造成APF补偿性能下降，对系统的稳定性产生危害。首先基于诺顿等效电路搭建弱电网条件下多APF并网数学模型，然后结合动态相对增益矩阵（DRGA）原理，提出一种定量分析多APF控制回路间交互影响程度的方法，能够基于不同频率区间分析交互影响程度与控制回路参数及弱电网等效电感间的定量关系。最后利用MATLAB/Simulink平台搭建并网仿真系统模型，时域仿真结果与理论分析一致，验证了该方法的有效性。

关键词: 电网, 交互影响, 动态相对增益矩阵, 有源电力滤波器

Abstract: When multiple active power filters (APF) are incorporated into the regional distribution network, there are complex negative interaction effects among the control circuits, resulting in the decline of APF compensation performance and harm to the stability of power system. Firstly, a multi-APF grid-connected mathematical model under the condition of weak power grid is established based on NORTON equivalent circuit. And then, combined with the dynamic relative gain array (DRGA) principle, a quantitative analytical method is proposed for analyzing the interaction degree between multiple APF control circuits, which can analyze the quantitative relationship between the interaction degree, the control circuit parameters and the weak grid equivalent inductance based on different frequency intervals. Finally, the MATLAB/Simulink platform is used to build a grid-connected simulation system model. The time-domain simulation results are consistent with the theoretical analysis, which verifies the effectiveness of the proposed method.

Key words: power system, interaction, dynamic relative gain array (DRGA), active power filter (APF)

王何, 李雨佳, 尹忠东, 汪章明, 赵海森. 弱电网条件下多APF并网交互影响分析[J]. 中国电力, 2020, 53(11): 23-30,88.

WANG He, LI Yujia, YIN Zhongdong, WANG Zhangming, ZHAO Haisen. Analysis on Interactive Influences among Multiple APFs Connected to Weak-structured Power System[J]. Electric Power, 2020, 53(11): 23-30,88.

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弱电网条件下多APF并网交互影响分析

Analysis on Interactive Influences among Multiple APFs Connected to Weak-structured Power System

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弱电网条件下多APF并网交互影响分析

Analysis on Interactive Influences among Multiple APFs Connected to Weak-structured Power System

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