Split Phase Motor 75 HP 230V Rotor Locked—Possible Causes for Static Magnetic Pole?

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#1 21671199 13 Mar 2014 11:39

Prateek Sharma Prateek Sharma

Anonymous

Post #1
21671199 13 Mar 2014 11:39

A split phase motor, 75 Hp 230 V is getting locked and refuses to rotate. I believe that this may be cause by an absent phase. What could cause a static magnetic pole to develop so as to lock the rotor? Please help. Thanks.
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#2 21671200 14 Mar 2014 20:14

Neil Mula Neil Mula

Anonymous

Post #2
21671200 14 Mar 2014 20:14

Hi Prateek,

Split-phase motor is made of up two windings which serves different purposes. First, the starter winding that runs the motor from inactive state. Second, the main winding which keeps the motor running with lower energy requirements. You may have problem with those two windings if it is an electrical/electronics issue.

Good Luck

Best,
Neil
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