摘要
对广东电网变压器 110kV ,2 2 0kV中性点保护方式和运行情况进行了较全面的调查 ,统计出 2 0余起变压器中性点保护运行的异常事例 ,对这些事例进行了分类和分析 ,指出所存在的问题并提出了相应的解决措施。
An overall investigation was conducted on modes and performance of transformer 110 kV and 220 kV neutral protection in Guangdong power grid. More than 20 failures of the said protection are classified and analyzed to indicate existing problems. Corresponding solutions are presented as well.
出处
《广东电力》
2000年第3期42-45,共4页
Guangdong Electric Power
关键词
变压器
中性点保护
运行
故障分析
transformer
neutral protection
operation
analysis