Had a 2000 HP 2300V 3600 RPM WP2 motor rewound say 4 months ago. Motor age is approximately 40 years old. The motor ran for 4 months after the rewind before it tripped due to a stator fault. Found that that the fault occurred from a finger that was holding the stator laminations had come loose...
Yes there are a ton of these diagrams and schematics across the internet. None of them really approach the reasoning of the lo speed overloads while in the hi speed operation.
Replacing a set of 2 speed motor starters. The motors are two speed one winding (2S1W) motors. In the high speed the low speed motor T leads are shorted.
Question is the placement of the overloads specifically on the low speed leads. Should the low speed overloads see the current of the low...
