Learning Center

Common VFD Retrofit Mistakes

By Tyler Simmons on 2nd Mar 2023

Don't mess up with these common VFD retrofit mistakes Retrofitting a variable frequency drive (VFD) into an existing system is a great way to keep your processes running. You get to maintain the speed control, energy savings, an …

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VFDs and Harmonics – Why You Should Care

By Tyler Simmons on 11th Mar 2021

What Problems Can Come With VFDs? Most people that buy and use a variable frequency drive (VFD) are aware of the benefits they offer, such as speed control over their motor application or energy savings. What most people don’ …

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dV/dt – What Is It and Why Should You Care?

By Tyler Simmons on 22nd Feb 2021

Problems Caused From VFD Use:Variable frequency drives (VFDs) are helpful in many applications. They can help to control speed and save energy, but they can also present problems. One of the side effects that you need to potential …

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Active Harmonic Filters - Noise-Canceling Headphones for Your Power System

By Jeff Noxon on 8th Aug 2020

AHFs are inActive harmonic filters (AHFs) have gained a lot of traction in the last couple of years. In the past, high costs meant that active harmonic mitigation methods were reserved for extremely large/complex applications with …

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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 bridg …

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Why Should You Use a Line Reactor?

By Yin on 30th Jun 2014

Why do our engineers recommend line reactors? After reading about How will line reactors help your VFD and What is a line reactor, you probably already have an idea how line reactors can help your VFD. Here are the reasons why o …

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