06

Power Electronics · CHAPTER 06

Variable-Frequency Drives

Control motor speed and torque through rectification, DC storage and inversion.

CHAPTER CONTENT

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06.01PLANNED LESSON

Anatomy of a VFD

Follow power through every stage of the drive.

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06.02PLANNED LESSON

V/f control

Maintain motor flux with frequency-dependent voltage.

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06.03PLANNED LESSON

Vector control

Separate flux and torque for dynamic performance.

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06.04PLANNED LESSON

VFD harmonics

Understand the drive’s effect on the upstream network.

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