Learning Center

How to Maintain Your VFD Control Panel

By Dan Hansen on 25th Sep 2014

A few rules to followAt VFDs.com we see many VFDs and control panels that have encountered a shortened life span. Many of the problems we see are avoidable with proper maintenance. One of the best ways to get the most out of yo …

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Electric Motor Buying Guide (Video)

By Yin on 21st Sep 2014

Video TranscriptHow many of you would walk into a car dealership and say, “I’m here to buy a car and I want your very cheapest car”? Well, nobody would do that, right? Because what kind of a car would you get? And yet at the …

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F3R - Outdoor Rated VFD Control Panel

By Yin on 19th Sep 2014

What is the F3RThe F3R is a variable frequency drive control panel manufactured by Motor Drives International. 3R stands for NEMA 3R. This VFD panel is very popular in outdoor applications, such as agriculture, rock crushing, …

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FF1 – Fans & Pumps VFD Control Panel

By Yin on 11th Sep 2014

What is a FF1?The FF1 is a variable frequency drive control panel (also known as VFD in a box, VFD enclosure, or motor control panel) that is manufactured by Motor Drives International. Along with its siblings - SV1 & F3R, …

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Full speed ahead? Not so fast... Soft Starters and VFDs will improve operations and enhance your applications

By Yin on 27th Aug 2014

What is a Soft Starter?An RVSS (Reduced Voltage Soft Starter) is a solid state switching device first invented by a NASA engineer named Frank Nola. Throughout the years RVSS’s have been marketed as energy savers and are still som …

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Switching it up: IGBTs

By Yin on 16th 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 bridg …

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