Motor Drive Technical Primer

A background primer on motor drives, from AC line input to motor mechanical shaft output, including topics on  measurement of AC line and drive output (distorted) power values, power conversion devides and topologies, control architectures, motors, and torque and speed sensing.

Topics covered

  • AC line voltage and current
  • Power semiconductors
  • Power conversion systems
  • Motors
  • Variable frequency motor drives
  • Sensing of motor shaft torque, speed, direction, and angle
  • Power measurements on sinusoidal (AC) and distorted (PWM) waveforms

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