Motors and Drives: AC Induction Motor--Control Types

Part 9 of the Motors and Drives Series explains various types of control for ac induction motors, including: motor starters, soft starters, and variable frequency drives (inverter).

Control Types

  • Motor Starter (mechanical)

  • Soft Starter

  • VFD (Inverter)

    • Volts/Hertz – speed regulation

    • Sensorless Vector (with and without feedback)

    • Full Vector

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