Baoying analyzes the operational safety requirements of discharge safety when DC high-voltage generators are used for experiments

1. Use a grounding bar for discharging test equipment or samples. When using the grounding operating rod, the hand must not exceed the retaining ring of the grip part, and the distance between the grounding wire and the human body should be greater than the effective insulating length of the grounding operating rod. The insulation length of the grounding operation bar should be selected according to the requirements of the safety operation, but the total length must not be less than 100mm, in which the insulation part is 70mm and the handshake part is 300mm.
2. For the high-voltage test equipment and the discharge of the sample before and after the high-voltage test, the ground wire of the grounding operation rod must be reliably connected to the grounding point, and then be grounded to discharge. Discharge of large-capacity DC test equipment and samples. Should be discharged with a grounded operating rod with a discharge resistor, and then directly short-circuit broadcast discharge. Before changing the surge voltage generator wave head and wave tail resistance or the polarity of the DC generator, the capacitor must be short-circuited to ground discharge or the short circuit grounding device must be activated.
3. The discharge time of the high pressure test equipment and the test product before and after the high pressure test is generally not to be shorter than 5 minutes. The discharge time for large-capacity DC test equipment and samples should be more than 5 minutes.
4. After the discharge, the grounding rod is hung on the high voltage side, and the grounding wire will still be fixed on the grounding point and maintain the grounding state. When it is tested again, it will be taken off.
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