Learning Center

SV1 - HVAC VFD Control Panel

By Yin on 13th Aug 2014

What is an SV1The 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 of …

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How to Program the Mitsubishi A700 Series VFD (Video)

By Craig Hartman on 12th 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 9th 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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7 Questions to Ask When Buying a VFD Control Panel

By Yin on 23rd Jul 2014

Do you know how to find a quality enclosed VFD control panel? Here are 7 questions you need to ask yourself (and your supplier) before buying a VFD control panel: 1. Do you have the right VFD for the job? When sizing …

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Shaft Grounding Rings - The Necessary Accessory for Your Motor and VFD

By Dan Hansen on 15th Jul 2014

Why do you need a shaft grounding ring (SGR)? Motors that are operated with a variable frequency drive (VFD) are more susceptible to bearing failure. In standard generated sine waves, the voltage is balanced; this means that t …

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What is a Reduced Voltage Soft Starter (RVSS)?

By Yin on 12th Jul 2014

What is a Reduced Voltage Soft Starter (RVSS)?A soft starter, like its name, is a device that provides a “soft start” for the motor by gradually ramping up the voltage. Soft Starters are used to control torque and reduce starting …

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