摘要
220 kV母线电压互感器及其二次回路异常,对电网安全运行危害极大,且处理也非常复杂。文中分析了电压二次回路异常对各种保护的影响,并分类列举了应采取的处理措施,提出了防止异常引发严重后果的建议。
The abnormal 220 kV bus voltage transformer and the secondary circuit is harmful to the safe operation of the power grid. The treatment is very complicated. This paper analyzes the influence of abnormal voltage secondary circuit on protection and lists some measures should be taken to prevent situation. The measures proposed in this paper can help to prevent the serious consequences of the abnormal of the voltage transformer and the secondary circuit.
出处
《江西电力》
2011年第3期20-22,32,共4页
Jiangxi Electric Power
关键词
电压互感器
二次回路
异常
保护
处理措施
voltage transformer
secondary circuit
abnormal
protection
treatment measures
