大电流开关柜运行发热探讨

Discussion on the Heating of High Current Switchgear in Operation

本文结合大电流开关柜运行过程中发热事故类型,在对现场状况与事故调查结果分析的基础上,探析造成大电流开关柜运行发热现象的成因,并提出几点预防与应对大电流开关柜运行发热情况的措施。后续追踪调查表明,相关改造技术措施实施后,红外测温图提示开关柜柜体温度明显降低,温度指标变化显现出匀称性。

Combining with the types of heat accidents during the operation of high current switchgear,on the basis of the analysis of field conditions and accident investigation results,this paper probes into the causes of heat generation in the operation of high current switchgear,and puts forward some measures to prevent and respond to the heat generation in the operation of high current switchgear.The follow-up investigation shows that after the implementation of relevant technical measures,the infrared thermometry chart is raised.The temperature of the display switchgear cabinet is obviously lowered,and the change of temperature index is symmetrical.