低压柜母线频繁过热事故分析

Analysis on Busbar Frequency Overheating Accident in Low Voltage Switchgear

通过一次低压母线过热的事故分析、检测,介绍了谐波电流对系统安全性的影响,分析了高效能电器及自动化控制设备等非线性负载产生谐波的原因,并引申出其对整个电气系统中设备等的影响。

Through the analysis and detection of a low voltage bus overheating accident,t the influence of harmonic current on system safety was introduced.The causes of harmonic generated by nonlinear loads such as high-efficiency electrical appliances and automatic control equipment were analyzed.And the influence on the equipment in the whole electrical system was extended.