华电技术 ›› 2015, Vol. 37 ›› Issue (12): 52-54.

• 技术交流 • 上一篇    下一篇

电厂孤网运行故障处理措施

  

  1. 江苏华电戚墅堰发电有限公司,江苏 常州 213011
  • 出版日期:2015-12-25 发布日期:2016-02-02

Treatment measures of the malfunction of power plant isolated network

  1. Jiangsu Huadian Qishuyan Power Generation Company Limited,Changzhou 213011,China
  • Online:2015-12-25 Published:2016-02-02

摘要:

摘要:某电厂同塔架设的220kV出线因故障同时跳闸,造成并网机组带厂用负荷孤网运行。查找并排除220kV线路故障后,按电厂内部厂用电系统恢复方案进行操作,220kV母线和厂用电系统恢复正常方式,机组重新并网运行,确保了主机设备安全。

关键词: 关键词:并网机组, 跳闸, 孤网运行, 厂用电系统

Abstract:

Abstract:A certain power plant set up two 220kV power line tripped at the same time,and caused isolated network operation.After diagnosing the problem of 220kV power line,the system runs again by following the system recovery method,and the buses of 220kV and auxiliary power are bake to service as well,which allows paralleling operation and guarantees the safety of host equipment.

Key words: ">Keywords:">grid combination, trip, isolated network operation, electrical auxiliary system