山西赛特直流屏蓄电池安装|BAOTE总销售

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1. Check whether the voltage relay of the voltage monitoring device operates correctly.

2. Observe the output voltage of the charger device and the display of the insulation monitoring instrument of the dc bus, or use a multimeter to measure the bus voltage, and comprehensively judge whether the dc bus voltage is abnormal.

3. Adjust the output of the charger to restore the dc bus voltage and the floating charging current to normal.

4. If the dc bus voltage is abnormal and the fault is caused by the charger device, the charger shall be stopped and replaced with a backup charger.