Voltage support strategy of SNOP under fault circumstance

被引：0
|
作者：
Li, Yuze [1 ]
Pei, Xuejun [1 ]
Kang, Yong [1 ]
Lu, Yi [2 ]
Xu, Feng [2 ]
Wang, Chaoliang [2 ]
机构：
[1] Huazhong Univ Sci & Technol, State Key Lab Adv Electromagnet Engn & Technol, Wuhan, Hubei, Peoples R China
[2] State Grid Zhejiang Elect Power Res Inst, Hangzhou, Zhejiang, Peoples R China
来源：
THIRTY-FOURTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2019) | 2019年
基金：
国家重点研发计划;
关键词：
SNOP; steady-state; fault circumstance; voltage support;
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：
Soft normally open point (SNOP) is a power electronic device installed at normally open point (NOP) in a distribution network which can greatly promote the flexibility and controllability of distribution network. This paper introduces the typical installation of SNOP, and take the three-terminal SNOP converter station demonstration project in Hangzhou as case study. This paper is divided into two parts. Firstly, a new strategy which uses power of feeders' load to balance power flow among feeders is proposed. Then under fault circumstances, voltage support strategy of injecting positive active and reactive current based on line resistance-reactance ratio (R/X) is proposed. Simulation results verify the accuracy and effectiveness of the strategies adopted.
引用
收藏
页码：1146 / 1149
页数：4
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