Learning Center

Case Study: Solving Motor Inrush Current and Energy Savings with VFDs

By Craig Hartman on 20th Mar 2015

Tensions resolved between utility company and local community by replacing soft start with VFD to correct voltage sags due to medium voltage compressor starts A large land fill energy producer in Chicago faced a&nbs …

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Industry Spotlight: Using VFDs for Irrigation and Farming

By Yin on 16th Feb 2015

Spotlight on Industry: Using VFDs for Irrigation and FarmingIrrigation and farming systems are constantly changing as new technologies and improvements are introduced. The introduction of the Variable Frequency Drive (VFD) for i …

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Where to Buy a VFD

By Yin on 11th Dec 2014

Where to Buy a VFD / AC Drive? At VFDs.com we carry a comprehensive range of AC and DC drives, medium voltage drives, motor control drive systems, soft starters, and drive accessories. We are constantly adding new product li …

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Obsolete Mitsubishi AC Drives List

By Yin on 3rd Dec 2014

Mitsubishi Obsolete Variable Frequency Drive (VFD) ListAll of these obsolete drive lines and series have factory recommended replacement options offered from Mitsubishi. Currently, Mitsubishi supports five series, …

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What is a VFD Control Panel

By Yin on 14th Nov 2014

What is a VFD control panel? Sometimes your work space is dusty, dirty, wet, humid, corrosive, or hot. In those harsh environments, you cannot just mount your VFD exposed. You need a VFD Control panel – an enclosure that pro …

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Motor Theory 101: Adjusting Frequency

By Yin on 31st Oct 2014

Did You Know Your Motor Could Run on Mars? It is no secret that different parts of the world use different frequencies. In America we use a frequency of 60 Hz while in Europe you will find a frequency of 50 Hz. It may not seem li …

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