Learning Center

How do You Size a Line Reactor? 

By Tyler Simmons on 26th Sep 2025

Line reactors are a common component in variable frequency drive systems. They can help to control harmonics, dV/dt, surges, and other issues. On the incoming power side of a VFD, they’re often referred to as an input or lin …

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Aging Infrastructure

By Tyler Simmons on 5th Oct 2023

What Is Aging Infrastructure And How You Can Plan For It? As electrical infrastructure across your facility ages, you may begin to see issues. You may begin to see that older equipment fails more often. Even if it’s not a ca …

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Convention Center Saves Money On Energy Consumption

By Luke Lancaster on 20th Apr 2023

Aging infrastructure upgrades save a large convention center 8% annually One of the largest and most well-known convention centers in the world covers acres of land in a large city, but also has a hidden problem. The center is ove …

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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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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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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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