Learning Center

How Do VFDs Save Energy (Video)?

By Craig Hartman on 27th Jun 2014

Video TranscriptToday we are going to talk about how VFDs save energy.I’d like to refer to the diagram on the screen. This is a diagram that shows a typical fan application. Let’s say in a commercial building, the bott …

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How Will Line Reactors Help Your Variable Frequency Drive?

By Yin on 23rd Jun 2014

Updated on October 23rd 2025 While VFD's provide great advantages in process control and energy savings, they are also the largest cause of electrical power system pollution. Reactors have become a most common means of reducing th …

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What is a Variable Frequency Drive (Video)?

By Yin on 19th Jun 2014

Video TranscriptToday we are going to talk about what is a VFD.In the 1880s, we saw the introduction of three-phase AC power. This was a marvelous invention by the great scientist Nikola Tesla. And running on that thre …

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What is a Line Reactor?

By Yin on 12th Jun 2014

A line reactor (also referred to as a "choke") is a variable frequency drive (VFD) accessory that consists of a coil of wire that forms a magnetic field as current flows through it. This magnetic field limits the rate of rise of t …

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How to Read a Motor Nameplate

By Paul Rossiter on 20th Mar 2014

Below is a sample nameplate. You can click on the links in the nameplate to learn more. CT:VT: MODEL NO./SERIAL NO. HZ LOW VOLTAGE …

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How to Perform Basic VFD Programming (Video)

By Craig Hartman on 20th Mar 2014

Video TranscriptIn this segment we are going to show you how to use the basic 7 parameters to set up the Mitsubishi FR-PU07-01 advanced parameter keypad.As you look at the top row of this keypad there is the “PRSet” ("PrSET" …

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