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Harcharan Singh Diocee

Canada
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Electric motor winding redesign, AC and DC. Troubleshooting, motors controls generators. Vibration analysis, dynamic balancing, root cause analysis: electrical and mechanical.

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2016-08-12 3 phase motor rotates wrong after new brushes installed:

Who ever changed the brushes must have moved the position of the brush holders in relation to the stator or fields.  there is no other way for it to reverse.    Remove the back housing and see if it will

2016-07-27 Help calculating standing desk motor inrush for surge protection:

Some power bars have a 15 amp or 10 amp capacity as a total current draw distributed over 4 or 5 plugs with different loads. So there may be current protection built in as well, which would trip should

2016-07-27 Help calculating standing desk motor inrush for surge protection:

Here is a link to very good article.   https://www.tripplite.com/shared/literature/White-Paper/How-to-Choose-the-Right-Surge-Protector-White-Paper-EN.pdf    In your case the Voltage surge protection will

2016-07-07 Packard electric motor:

Sorry I dont have any info regarding the vintage of the motor. Could be 1930+ range?    You can use 10w 30 engine oil. 5-10 drops and let it run in.  There is no oil reservoir so no need tochange the oil

2016-06-30 doerr 9 lead hoist motor.:

I have gone through my old dwgs but cannot find anything for a coffing hoist.    Can you open the back end of the motor and tell me where the 3 red wires, ie 167 come from? there must be a klixon in there

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