Learning Center

Switching it up: IGBTs

By Yin on 15th Aug 2014

What is IGBT? An Insulated Gate Bipolar Transistor (IGBT) is a key component in what makes up a VFD (Variable Frequency Drive). If you break down a VFD, one easy way to analyze it is to think of it in three main parts: the bridge …

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SV1 - HVAC VFD Control Panel

By Yin on 12th Aug 2014

What is an SV1 The intelligent design of the MDI (Motor Drives International) enclosed drive panels, including the SV1 system, have been engineered with you and your toughest electrical applications in mind giving you the peace o …

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How to Program the Mitsubishi A700 Series VFD (Video)

By Craig Hartman on 11th Aug 2014

Video TranscriptHi, this is Craig Hartman for VFDs.com. Today we are going to learn how to program the Mitsubishi A700 Series of variable frequency drives. This is the Mitsubishi A700 drive. This is an advanced, high-perform …

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How to Program the Mitsubishi A800 Series VFD (Video)

By Craig Hartman on 8th Aug 2014

Video TranscriptHi, Craig Hartman from VFDs.com. Today we are going to learn how to program the Mitsubishi high-performance A800 Series variable frequency drive.This is the Mitsubishi A800. That’s a high-performance drive, i …

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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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