高压开关用电阻绝缘与能量吸收试验研究  

Experimental Study on Resistance Insulation and Energy Absorption for High Voltage Switch

作　　者：姜珊盼 宋继光 李阳 黄帅印 张万德 李光华 JIANG Shanpan;SONG jiguang;LI Yang;HUANG Shuaiyin;ZHANG Wande;LI Guanghua(Henan High Voltage Apparatus Research Institute Co.,Ltd.,Pingdingshan 467001,China;Pinggao Group Co.,Ltd.,Pingdingshan 467001,China)

机构地区：[1]河南省高压电器研究所有限公司,河南平顶山467001 [2]平高集团有限公司,河南平顶山467001

出　　处：《河南科技》2024年第8期5-8,共4页Henan Science and Technology

摘　　要：【目的】电网中越来越多的超特高压开关采用在断口两侧并联电阻的方式来抑制操作过程中产生的过电压。为了在型式试验中考核超特高压开关用电阻的电性能,需要对电阻的绝缘耐受能力和能量吸收试验进行研究。【方法】运用二阶电路的非震荡放电原理,设计电容充电和电阻放电试验回路,通过调节回路的充电电压、回路电容、回路电抗来进行不同阻值电阻的试验。【结果】根据纯阻性的断路器合闸电阻的电性能测试要求,提出了针对合闸电阻冲击耐受电压试验的冲击发生电路形式和能量吸收试验的冲击电流发生回路。【结论】该设计的试验回路可以验证电阻雷电冲击、操作冲击、能量吸收试验,有效地考核了高压开关用电阻的性能。[Purposes]More and more Ultra-high switches in theelectric fence adopt parallel resistors on both sides of the fracture surface to restrain the over-voltage during operation.In order to evaluate the electrical performance of the resistance for ultra-high voltage switch in the type test,it is necessary to study the insulation tolerance and energy absorption test of the resistance.[Methods]According to the non-oscillatory discharge test principle of the second-order circuit,the capacitance charge and resistance discharge test circuits are designed,and the test of different resistance resistances is carried out by adjusting the charging voltage,capacitance and reactance of the circuit.[Findings]According to the requirement of the circuit breaker pure resistance closing resistance test,the impulse generating circuit form for the impulse withstand voltage test of the closing resistor and the impulse current generating circuit for the energy absorption test are proposed.[Conclusions]The test circuit designed in this paper can validate the ability of resistance lightning impulse,working impulse and capacity absorption test,and effectively test the performance of high voltage switch resistor.

关 键 词：电阻 电压耐受 能量吸收 试验回路 

分 类 号：TM832[电气工程—高电压与绝缘技术]