YANG YANG, XU QIANG, CHENG AN-MING, et al. Accident Analysis on Grading Capacitor of500 kV Circuit Breaker in Maintenance and Test. [J]. Power capacitor & reactive power compensation, 2011, 32(6): 77-79.
YANG YANG, XU QIANG, CHENG AN-MING, et al. Accident Analysis on Grading Capacitor of500 kV Circuit Breaker in Maintenance and Test. [J]. Power capacitor & reactive power compensation, 2011, 32(6): 77-79. DOI: 10.14044/j.1674-1757.pcrpc.2011.06.017.
某500kV断路器均压电容器检修试验的安全事故分析
摘要
介绍了一起500 kV断路断口间均压电容器的介损及电容量试验与一次检修联合作业过程中的安全事故
并且通过电气回路图及基于此电气回路图的微分方程对产生安全事故的原因进行了分析
提出对开关断口间均压电容器进行介损试验前必须进行周密的危险点预测和分析
以杜绝潜在的人身伤害。
Abstract
An accident in the dielectric loss factor and capacitance test across open contacts of 500 kV circuit breaker and in the maintenance is introduced.The causes of the fault are analyzed through electric circuit diagram and the differential equation based on the circuit diagram.It is pointed out that the danger point should be predicted before the dielectric loss factor test
on the grading capacitor which across the circuit breaker open contacts
to prevent potential personal injury.
关键词
断路器断口均压电容器介损危险点预测
Keywords
circuit breakeropen contactsgrading capacitordielectric loss factordanger point prediction