Flexible grounding control strategy based on proportional series inertial control for distribution networks

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成果类型：

期刊论文

作者：

Wang, Zhan;Li, Zewen;Zeng, Xiangjun;Yu, Kun;He, Shigeng;...

通讯作者：

Yu, K;Zhuo, C

作者机构：

[Yu, Kun; He, Shigeng; Li, Jiazheng; Lan, Yuting; Li, Zewen; Zeng, Xiangjun; Wang, Zhan] Changsha Univ Sci & Technol, Sch Elect & Informat Engn, Natl Key Lab Disaster Prevent & Reduct Power Grid, Changsha 410114, Peoples R China.

[Zhuo, Chao] Xiangjiang Lab, Changsha 410205, Peoples R China.

[Yu, Kun; He, Shigeng; Lan, Yuting; Li, Zewen; Zeng, Xiangjun; Wang, Zhan] Changsha Univ Sci & Technol, Sch Elect & Informat Engn, Changsha 410114, Peoples R China.

通讯机构：

[Zhuo, C ] X

[Yu, K ] C

Changsha Univ Sci & Technol, Sch Elect & Informat Engn, Natl Key Lab Disaster Prevent & Reduct Power Grid, Changsha 410114, Peoples R China.

Xiangjiang Lab, Changsha 410205, Peoples R China.

Changsha Univ Sci & Technol, Sch Elect & Informat Engn, Changsha 410114, Peoples R China.

语种：

英文

关键词：

Distribution networks;Single-phase ground fault;Fault handling;Flexible grounding;Double closed-loop control

期刊：

Electric Power Systems Research

ISSN：

0378-7796

年：

2023

卷：

225

DOI：

10.1016/j.epsr.2023.109841

基金类别：

Open Project of Xiangjiang Laboratory [22XJ03006]; National Natural Science Foundation of China [52037001, 52177070]; Natural Science Foundation of Hunan province [2021JJ30729]; Science and Technology Project of Hunan Education Department [22A0231]

机构署名：

本校为第一且通讯机构

院系归属：

电气与信息工程学院

摘要：

A flexible grounding device of a distribution network achieves reliable arc suppression and protection of a singlephase grounding fault by flexibly adjusting the neutral point voltage. The existing current control methods cannot accurately obtain the reference current to achieve precise control. Therefore, a flexible grounding control strategy with proportional series inertia control is proposed for distribution networks. Taking the neutral point voltage as the control target, the difference from the neutral point reference voltage to the real-time feedback voltage is adjusted by the outer loo...

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Flexible grounding control strategy based on proportional series inertial control for distribution networks

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