Precautions for the use of smart capacitors
Release time:
2022-09-02
Precautions for the use of smart capacitors: Since the poles of smart capacitors are characterized by residual charge, they should be discharged first, otherwise electrocution is likely to occur. Dealing with faulty capacitors, first of all should pull open the smart capacitor bank circuit breaker and its upper and lower isolation switches, such as the use of fuse protection, should first remove the fuse tube. At this time, although the smart capacitor bank has been discharged by the discharge resistance, but there will still be part of the residual charge, therefore, it must be discharged manually. When discharging, the grounding end of the grounding wire should be fixed with the grounding network, and then use the grounding rod to discharge the capacitor several times, until there is no spark and discharge sound, and finally the grounding wire is fixed. At the same time, it should also be noted that the smart capacitor, if there is an internal broken wire, blown fuse or poor contact with the lead wire, there may also be a residual charge between its poles, which will not be discharged in the automatic discharge or artificial discharge. Therefore, operation or maintenance personnel in contact with the faulty capacitor before, should also wear good insulating gloves, and with a short circuit to short the poles of the faulty smart capacitor in order to discharge. In addition, the use of series wiring of the capacitor should also be discharged separately.
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