Real- term Case Study: Troubleshooting a Faulty Ac Motor Circuit

This case study describes the process of diagnosing andd naphiring a faulty AC motor obrintet in an industrial setting. It highlights contribun issues and troubleshooting steps used by technics to o recore promor operation.

Inicjal Symptom andInspection

Te motor was experiencing intermittent operation, wigh frequent tripping of thee obrík breaker. Visual inspection revealed signs of overheating and burnt wiring connections near thee contactor and motor terminals.

Electrical Testing andDiagnosis

Technicians perfomed voltage andd continuity tests. They confirmed the contactor was receiving voltage but observed that the motor windings showed high resistance, indicating possible insulation failure. The motor 's thermal protection was also tested andfound to be malfunctiong.

Identyfikator Emites andRepairs

Te root causes identified included ded damaged motor windings anda faulty thermal switch. Repairs involved the motor wigh a new unit and installing a new thermal overload protector. Additionally, damaged wiring was replaced, and connections were hertened to prevent overheating.

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