What is the recommended minimum insulation resistance value for a motor manufactured in 1993 operating at 2,300 volts?

The minimum insulation resistance value for motors is crucial to ensure their safe and reliable operation. In the case of a motor operating at 2,300 volts and manufactured in 1993, industry standards and best practices indicate that a higher insulation resistance is desired to protect the motor and associated equipment from insulation failure, which can lead to breakdown or electrical hazards.

For motors operating at this voltage level, it is common for the recommended minimum insulation resistance value to be set at 100 Megohms. This threshold helps to ensure that the insulation is sufficiently robust to withstand electrical stress and environmental factors that may degrade the insulation over time.

Insulation resistance values lower than this can indicate potential issues, such as moisture ingress, deterioration of materials, or other factors that could compromise performance and safety. Adhering to this recommended value mitigates risks and extends the operational life of the motor, aligning with established guidelines for equipment maintenance and electrical safety.