摘要
随着包头地区电网500 kV网架的建设,包头将形成以500 kV为主网架、220 kV分区供电的网架结构。结合包头地区电网规划,对地区未来网架的暂态稳定性进行分析,发现在古城变电站220 kV母线三相短路故障、兴城双回220 kV线路故障、达旗—滨河双回220 kV线路故障时,系统存在暂态稳定问题;通过采取切机、联切负荷措施后,系统可恢复稳定运行。另外,针对威俊变电站与500 kV主网架联系比较薄弱的问题,提出了对包头地区东部网架结构改造方案。
With the construction of 500 kV power network frame in Baotou, Baotou will form the network eonstruction with 500 kV as the main network frame, and 220 kV as partition power grid structure. Combine with the power grid planning in Baotou, this paper will analyze the transient stability of the network in future, and find that in Gueheng Substation 220 kV bus fault, Xingcheng double three-phase 220 kV line fault, Dalate-Binhe double 220 kV line fault transient stability problems. Finally, the paper will provide solutions to the problems mentioned by cutting machine, also cutting load steps and transform measures to strengthen the frame structure.
出处
《内蒙古电力技术》
2014年第2期1-6,共6页
Inner Mongolia Electric Power
关键词
包头地区规划电网
网架结构
暂态稳定性
分区供电
Baotou planning power grid
network frame
transient stability
partition ofpower supply
