求翻译：本文针对山西阳泉某矿区变电站和湖北某抽水蓄能电站在使用组合式过电压保护器时出现事故的现象。对组合式过电压保护器的原理及工作特性进行了分析，最后综合实例分析得出了目前市面上组合式过电压保护器普遍存在的缺陷和问题。是什么意思？

Yangquan, Shanxi mining area substation and Hubei, a pumped storage power station in the phenomenon of an accident in the combined overvoltage protection. The combined overvoltage protection principle and operating characteristics analysis, the final case analysis obtained currently on the market co

This paper addresses a Shanxi yangquan mining substation and Hubei A pumped-storage power station using a combined with over-voltage protection, when the accident occurred. The combination of over-voltage protection, identity theory and work out the final comprehensive analysis, and analysis of curr

This article gathers in view of the Shanxi Yangquan some mining area transformer substation and Hubei some pump can the power plant when the use combined type overvoltage protector appears the accident the phenomenon.Have carried on the analysis to the combined overvoltage protector principle and th

This article for a substation of mining area in yangquan, Shanxi and Hubei pumped-storage power station uses combined accident occurred when the overvoltage protection. Overvoltage protection on combined analysis of the working principle and characteristics, last comprehensive analysis concluded tha

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