Research of Short-circuit Current Analysis and Its Limiting Measures After ±1100 kV UHVDC Connected to Grid

ZHENG Shaopeng; ZHONG Xian; SUN Yiqian; ZHANG Feng; KANG Pengpeng

doi:10.13296/j.1001-1609.hva.2016.11.003

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Research of Short-circuit Current Analysis and Its Limiting Measures After ±1100 kV UHVDC Connected to Grid

更新时间：2025-04-26

- Research of Short-circuit Current Analysis and Its Limiting Measures After ±1100 kV UHVDC Connected to Grid
- High VoltageApparatus Vol. 52, Issue 11, Pages: 18-24(2016)
- 作者机构：
  
  1. 国网新疆电力科学研究院
  2. 国网湖南电力公司常德供电分公司
  3. 国网新疆电力调度通信中心
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.11.003
  CLC： TM713
- Published：2016
- 稿件说明：
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[1]郑少鹏,钟显,孙谊媊,张锋,亢朋朋.±1100kV特高压直流接入后短路电流分析及限制措施研究[J].高压电器,2016,52(11):18-24.

ZHENG Shaopeng, ZHONG Xian, SUN Yiqian, et al. Research of Short-circuit Current Analysis and Its Limiting Measures After ±1100 kV UHVDC Connected to Grid[J]. High voltageapparatus, 2016, 52(11): 18-24.
[1]郑少鹏,钟显,孙谊媊,张锋,亢朋朋.±1100kV特高压直流接入后短路电流分析及限制措施研究[J].高压电器,2016,52(11):18-24. DOI： 10.13296/j.1001-1609.hva.2016.11.003.

ZHENG Shaopeng, ZHONG Xian, SUN Yiqian, et al. Research of Short-circuit Current Analysis and Its Limiting Measures After ±1100 kV UHVDC Connected to Grid[J]. High voltageapparatus, 2016, 52(11): 18-24. DOI： 10.13296/j.1001-1609.hva.2016.11.003.

摘要

结合新疆电网规划发展

随着昌吉地区750 kV网架结构的延伸和大规模电源的建设

对比分析了新疆电网±1 100 kV（准东—皖南）特高压直流接入前后短路电流的增加原因与趋势。当±1 100 kV特高压直流接入昌吉五彩湾地区后

为了限制系统短路电流水平

文中从加装电抗、网架结构调整及运行方式安排等方面展开讨论分析

研究结果表明

在合理控制新疆五彩湾地区短路电流的水平下

750 kV五彩湾变电站的220 kV母线分列运行及附近大电源送出线路优化将有利于短路电流的有效控制

对解决新疆电网发展中昌吉五彩湾地区短路电流超标问题提供参考。

Abstract

Based on the development of Xinjiang grid structure planning

with the extension of the 750 kV grid structure and the construction of large-scale power supply in Changji

it has compared and analyzed the short-circuit current increasing cause and trend when considering ±1 100 kV UHVDC connected to grid or not

where the UHVDC is start at Zhundong

and is end at Wanan. When ±1 100 kV UHVDC is connected to the district of Wucaiwan area

Changji

in order to limit the level of system short-circuit current

it make discusses and analyzes from the aspects of installation reactance

grid structure adjustment and operation mode. The results show that the750 kV Wucaiwan substation of 220 kV bus breakdown operation and the near high-capacity power outgoing line optimization will be conductive to the effective control for the short-circuit current control

under reasonable control short-circuit cur-rent level at Wucaiwan area. Then

during the development of Xinjiang grid structure

it provides a solution for the short circuit current exceed standard control at district of Wucaiwan area

Changji.

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