How do you find the resistance of a single phase motor?

How do you calculate the resistance of a motor?

R in ohms = Rated voltage /(rated current x1. 732×3. 5). Example : 2000kw motor, rated voltage is 6600v, rated current is 175A, then R= 6600/(175*1.732*3.5) = 6.22.

How do you test a motor with a multimeter?

To test your motor for short to ground, you’ll need to set the multimeter to ohms and disconnect the motor from its power source. Then inspect each wire and look for infinite readings. Alternatively, if you get a reading of 0, you might have a cable issue.

How do you check motor continuity?

Start by completely disconnecting the spindle motor from all power sources. Check each wire, including T1, T2, T3 and the ground wire. If the reading is infinite, your motor should be fine. If you get a zero reading or any continuity reading, you have either a motor problem or a cable problem.

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