基于混合式阀片的新型过电压防护装置真研究

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Abstract Silicon carbide (SiC) arrester and zinc oxide (ZnO) arrester are the main equipment for overvoltage protection. In this paper, a new type of overvoltage protection device based on SiC and ZnO valve plates and its combination method were analyzed. power system computer aided design (PSCAD) simulation software was used to simulate the possible lightning accidents in the actual substation. The characteristics of voltage and current on SiC arrester, ZnO arrester and the new type of over voltage protection device were analyzed. The energy and temperature rise absorbed by the three types of arresters were comprehensively compared. The simulation results showed that the performance of the new over voltage protection device was better than that of SiC arrester and ZnO arrester.

Key words： substation overvoltage arrester power system computer aided design (PSCAD) simulating calculation

Received: 21 February 2019 Published: 12 September 2019

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	Zhang Long
	Huang Ting

Cite this article:

Zhang Long,Huang Ting. Simulation study of new overvoltage protection device based on hybrid valve plate[J]. Electrical Engineering, 2019, 20(9): 52-58.

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http://dqjs.cesmedia.cn/EN/Y2019/V20/I9/52

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