一起35 kV并联电容器组爆炸原因分析及防范措施

Reason Analysis and Precautionary Measures for A 35 kV Shunt Capacitor Bank Explosion

针对一起35 kV并联电容器组投入时发生的爆炸起火故障进行调查分析,通过故障后设备检查试验、故障录波情况,结合故障电容器组的结构、运行状况和仿真计算,对故障产生和发展的原因进行分析和总结。指出避免该类故障发生应采取的措施,分析结果对提高电容器组运行可靠性具有重要意义。

The sudden fire explosion fault for a 35 kV shunt capacitor bank in operation is investigated and analyzed. The reason for the fault generation and development is analyzed and summarized by way of inspection of the equipment after the fault, fault record with combination of both structure and operation status of the faulty capacitor bank as well as simulation calculation. The measure to be taken to avoid the fault is pointed out. And the analysis result has important significance for the improving the operation reliability of the capacitor bank.