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多脉冲雷击对ZnO压敏电阻温升特性影响研究

来源于: 发表时间:6235-11-18 16:11 编辑:fzy

   张春龙 吕东波(黑龙江省气象灾害防御技术中心,哈尔滨市 150030

张利华    军(北京雷电防护装置测试中心,北京市 100176

多脉冲雷击对ZnO压敏电阻温升特性影响研究(张春龙  吕东波  张利华  赵军)

Study on the Impact of Multipulse Lightning Strike on Temperature

Rise Characteristics of ZnO Varistor

ZHANG Chunlong LV Dongbo

(Heilongjiang Province Meteorological Disaster Prevention Technology Center,Harbin 150030China)

ZHANG Lihua ZHAO Jun(Beijing Lightning Protection Device Testing Center,Beijing 100176China)

 

 

    AbstractIn order to solve the problem of the impact of multipulse lightning strike on the temperature rise characteristics of ZnO varistor,the surface temperature rise characteristics of ZnO varistor under multipulse lightning impulse with different pulse number,pulse interval and impulse times are analyzed by means of multipulse highvoltage test,and the aging mechanism of ZnO varistor under multipulse lightning strike is revealed from the point of view of energy absorption.

    Key wordsmultipulse;ZnO varistor;impulse experiment;waveform parameter;temperature rise;energy absorption;thermal stress;surge protection device

 

  摘 要:针对多脉冲雷击对ZnO压敏电阻温升特性影响的问题,通过开展多脉冲高压实验,分析不同脉冲数量、脉冲间隔、冲击次数的多脉冲雷电冲击下ZnO压敏电阻表面温升特性,并从能量吸收角度揭示多脉冲雷击下ZnO压敏电阻的老化机理。

  关键词:多脉冲;ZnO压敏电阻;冲击实验;波形参数;温升;能量吸收;热应力;电涌保护器

  中图分类号:TU895        文献标识码:A

    doi10.3969 / j. issn.1003 8493.2020.010.004

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