(1) Three-phase voltage imbalance can cause uneven current distribution among the motor phases, leading to overheating and reduced efficiency. This issue often occurs due to an unbalanced power supply or faulty wiring.
(2) Poor welding or poor contact in a specific phase branch inside the motor can result in increased resistance, causing localized heating and potential damage over time. It is important to check all internal connections during routine maintenance.
(3) A short circuit between windings or a short to ground can lead to severe damage, including insulation breakdown and motor failure. This may be caused by aging insulation, mechanical stress, or exposure to moisture.
(4) Incorrect wiring, such as reversed phase connections or improper terminal assignments, can cause the motor to run improperly or not at all. Always double-check wiring diagrams and follow manufacturer guidelines when installing or servicing the motor.
These issues can significantly affect motor performance and lifespan, so regular inspection and proper maintenance are essential to prevent failures and ensure safe operation.Hcs Polyester Fiber
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