Rewind Tips For 2300-Volt, Random-Wound Motors - Webinar Recordings - EASA | The Electro•Mechanical Authority
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Rewind Tips For 2300-Volt, Random-Wound Motors

  • May 2025
  • Number of views: 1481
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Chuck Yung
EASA Senior Technical Support Specialist 

When rewinding a motor, the service center often feels restricted to the original design. Sometimes, we encounter a motor design we wish had never been developed. The random-wound, 2300-volt motor design falls into that category. Most of us would prefer to see medium voltage (2300-4160 volt) machines built exclusively using form coils. The form coil winding (Figure 1) assures uniform volts/turn stresses and reliably seals the windings against hostile environments.

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From the manufacturer’s perspective, a random-wound, 2300 volt motor represents a substantial reduction in manufacturing cost. For the service center, the challenge is to successfully rewind them while providing a reliable repair.

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