黑龙江省电网中东部断面500kV/220kV电磁环网解环研究  

Study on uncoupling 500 kV/220 kV electromagnetic loop network in the middle and eastern section of Heilongjiang power grid

作　　者：关万琳 周扬 郭袅 江海洋 刘进 徐明宇 GUAN Wanlin;ZHOU Yang;GUO Niao;JIANG Haiyang;LIU Jin;XU Mingyu(Electric Power Research Institute of State Grid Heilongjiang Electric Power Co., Ltd., Harbin 150030, China;Dispatching and Control Center, State Grid Heilongjiang Electric Power Co., Ltd., Harbin 150090, China)

机构地区：[1]国网黑龙江省电力有限公司电力科学研究院,哈尔滨150030 [2]国网黑龙江省电力有限公司调度控制中心,哈尔滨150090

出　　处：《黑龙江电力》2018年第1期34-38,共5页Heilongjiang Electric Power

摘　　要：通过对黑龙江省中东部断面500 k V/220 k V电磁环网情况进行分析,提出中东部电网哈佳、哈牡联络断面500 k V/220 k V电磁环网解环方案。分析了电磁环网解环对于全省500 k V变电站短路电流的影响,最后对解环后的中东部地区电网进行了安全稳定分析计算,保证电磁环网解环后电网的安全稳定运行。Firstly,the scheme to uncouple500kV/220kV electromagnetic loop network in Harbin-Jiamusi and Harbin-Mudanjiang City sections is presented,based on the analysis on the500kV/220kV electromagnetic loop network in the middle and eastern section of Heilongjiang.Moreover,the influence of uncoupling electromagnetic loop on short-circuit current of500kV substation is analyzed.Finally,security and stability analysis calculations in middle and eastern grids are carried out after uncoupling electromagnetic loop,which enables the power network safely and stably operate.

关 键 词：电磁环网解环 短路电流 稳定分析 

分 类 号：TM727.2[电气工程—电力系统及自动化]