摘要
在配电系统中,电磁式电压互感器过电压经常发生,文章介绍一种消除电压互感器铁磁谐振过电压的新方法,即虚拟接地变压器法。
In power distribution network, overvoltage on electromagnetic PT occurs very frequently. The article introduces a new method to eliminate core resonance overvoltage of PT, namely virtual earthing transformer method.
出处
《安徽水利水电职业技术学院学报》
2008年第3期72-74,共3页
Journal of Anhui Technical College of Water Resources and Hydroelectric Power
关键词
电压互感器
铁磁谐振
消谐
虚拟接地
potential transformer
ferromagnetic resonance
eliminate resonance
virtual grounding