摘要
综合考虑武汉地区部分220kV变电站所供10kV用户负荷的重要性,针对原备自投装置存在主变故障时10kV负荷无法转带,且在高峰负荷时因负荷电流闭锁备自投导致损失负荷严重等问题,对备自投逻辑进行了分析改进,提出了新的动作逻辑策略,同时实现了智能切除部分负荷,有效避免了主变过载。
In view of the importance of the 10 kV customer load supplied by the 220 kV substations in Wuhan,this article analyses and improves the logic of the automatic bus transfer,which solved the problems such as the 10 kV load transfer in main transformer fault and load losing caused that the au-tomatic bus transfer is blocked by the load current in the peak load.The new action logic strategy is proposed.At the same time,the intelligent partial load shedding is achieved,which effectively avoids the main transformer overload.
出处
《湖北电力》
2015年第6期24-26,39,共4页
Hubei Electric Power
关键词
备自投
智能切除负荷
主变过载
automatic bus transfer
intelligent load shedding
main transformer overload
