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Motor Power Factor and Efficiency
Power factor of the motor: indicates that this motor can input % of the energy in the power grid into the motor as the input power of the motor.Motor efficiency = motor output power / motor input powe
2025-05-28 WEG Motor 220
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Common faults of motor commutator
Common faults of motor commutatorShort circuit between commutator segments;Commutator grounding; Commutator flying (jumping) segments and outer circle deformation;Loose and broken lifting segments;Com
2025-05-28 WEG Motor 175
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How to detect incorrect wiring of motor windings using the compass check method
Connect one phase winding to a low voltage (3~6V) DC power supply (battery, dry cell or low voltage rectifier), and use a compass to move along the inner circumference of the stator. If the winding is
2025-05-28 345
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Hazards of motor winding grounding
What are the hazards of grounding the motor winding?When the motor winding is grounded, it will cause the winding to heat up, which will cause the winding to short-circuit and even make the motor unab
2025-05-28 218
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What causes a short circuit between coils? How to repair it?
The main reason for the short circuit between coils is improper handling of the bridge wire between each coil and other coils in the group, or improper embedding method of the lapped coil, excessive keystroke during shaping, etc. Double sandbag or glass fiber covered wire is particularly prone to this fault.
2025-05-28 350
