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Home › Posts tagged VFD

Tag: VFD

PLC Drive/VFD Control

By Frank Posted on July 12, 2020 Posted in Motors and Actuators Tagged with encoder, VFD

Over the past few days I have received a lot of questions about drive or VFD (Variable Frequency Drive) control using a PLC, especially in my Facebook group. It can be very difficult to answer complex questions on Facebook, especially …

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Motor Control Design

By Frank Posted on November 29, 2013 Posted in Controls Design, Motors and Actuators Tagged with Allen-Bradley, circuit breakers, design, fuses, Motor Control, Siemens, starter, VFD

Today’s topic is in response to Saravanan who posted a request last week on my “Panel Layout and Electrical Design” post of about a year ago. He asked “Thanks for the post. I want to learn about designing control circuits …

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Variable Frequency Drives (VFDs)

By Frank Posted on November 27, 2011 Posted in Motors and Actuators Tagged with Motor Control, VFD

From the Primer: A variable-frequency drive (VFD) is a device for controlling the rotational speed of an alternating current (AC) electric motor by controlling the frequency of the electrical power supplied to the motor. Variable frequency drive controllers are solid …

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