Deeply suppressing switching overvoltage of 1000kV ac ultra-high voltage system (invited)

Jinliang He
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引用次数: 1

Abstract

Switching over-voltage level plays a decisive role on the UHV equipments selection and equipment costs. This paper discussed the suppress effects of different methods. Two novel surge arresters under developing are introduced. Presently, the closing resistors are added to suppress the switching overvoltage, if low-residual arresters can be put into operation, the closing resistors need not be added.
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1000kV交流超高压系统开关过电压深度抑制(特邀)
开关过电压水平对特高压设备的选择和设备成本起着决定性的作用。本文讨论了不同方法的抑制效果。介绍了正在研制的两种新型避雷器。目前的做法是增加合闸电阻来抑制开关过电压,如果低残留避雷器可以投入使用,则不需要增加合闸电阻。
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