January 09, 2025

High voltage motor housing is charged

The main reason and treatment of high voltage motor casing charging  
The lead wire or junction box connector insulation damages the ground. After the inspection, put on the insulating sleeve or wrap the insulation cloth.  
The end is too long to touch the case. The grounding phenomenon is eliminated after the end cap is removed. At this point, the end of the winding should be covered with a layer of insulating varnish, and the insulating paper should be placed on the end of the winding.
The slot at both ends of the slot is insulated and damaged. Carefully pull the terminal end of the winding, patiently find the insulation damage, and then apply insulating paper to the insulating paper.  
In the tank, iron debris and other debris are not removed, and the wire is inserted into the ground. Remove debris such as iron filings.  
The conductor insulation is mechanically damaged during welt. Carefully pull the end of the winding, patiently find the insulation damage, and then apply insulation paper to the insulation.  
The housing is not reliably grounded. After troubleshooting according to the above methods, the motor housing is reliably grounded.

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