A motor that is about to fail rarely announces it by stopping. It draws more current than it should, runs hot, trips a breaker on startup, or turns at the wrong speed under load. And a motor swapped out without ever determining why it failed tends to be swapped out again a few months later.
This course builds both halves of the skill. You will start with the electrical circuits and machine fundamentals behind rotating equipment: DC series, shunt, and compound motors; motor speed, torque, and performance; split-phase and capacitor-type single-phase AC motors, including capacitor start, permanent split capacitor, and capacitor start-run; three-phase AC induction motors in dual voltage, wye, and delta configurations; and DC generators, AC alternators for mobile generation, and synchronous machines used for power factor correction.
From there, the course moves to diagnosis. You will follow troubleshooting safety rules, apply systems troubleshooting and component testing, and use digital multimeters, clamp-on ammeters, and megohmmeters to find common AC and DC motor faults, including stator winding failures in three-phase motors and armature problems in DC motors. You will also measure motor speed, torque, and power, and conduct root-cause failure analysis to ensure the repair holds.
This course prepares you to test for the Smart Automation Certification Alliance (SACA) C-303 Electrical Motor Troubleshooting 1 certification.
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