煤矿主通风机供电系统谐波与电磁干扰辐射治理

Treatment of the Radiation of Harmonics and Electromagnetic Interference at Mine Main Fan Power System

通过电力品质分析仪在线分析变频器控制的主通风机供电系统产生谐波电压和电磁干扰的原因,利用电网卫士和电磁干扰器安装在主通风机的供电系统,以消除电网的谐波电压和电磁干扰,确保其他设备安全运行和节能。经实际应用,取得良好的效果。

In order to eliminate the harmonic voltage and electromagnetic interference of power network and to ensure the safe operation and energy saving of other equipments, with the power quality analyzer to analyze online the causes of harmonic voltage and electromagnetic interference generated from the main fan power system controlled by frequency converter, installs the guards of power system and the device of electromagnetic interference in the power system of main fan. The practical application achieves a good result.