Learning Center

700 HP VFD Panel with Active Front End Unit (AFE)

By Yin on 21st Sep 2020

A custom engineered solution used on a 2-mile long conveyor belt at a rock mining site. The integration of VFDs prevented the mining site from permanently shut down. Before the use of VFDs, the site was utilizing dump trucks to mo …

read more

Industry Spotlight: Using VFDs for Swimming Pool Filtration Systems

By Craig Hartman on 15th Sep 2020

Variable Frequency Drives (VFDs) provide immense savings and energy use reduction in swimming pool and filtration pump applications. Read below to learn more about the effect VFDs have on the way many pool and filtration systems o …

read more

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 …

read more

VFD Panel Buying Guide (Illustration)

By Yin on 7th Apr 2016

Are you looking for a VFD? Or do you need a panel? Do you need to protect your drive from the weather? Do you need line reactors, circuit breakers, bypass? Not sure where to start? We have you covered. Check out our VFD pane …

read more

How to Wire a VFD

By Yin on 15th Mar 2016

How to Wire a VFDCAUTION: WE HIGHLY RECOMMEND YOU HIRE A LICENSED ELECTRICIAN OR CERTIFIED TECHNICIAN TO WIRE YOUR VFD AND MOTOR.STEP 1: Make sure everything is correctly sized and accounted for Look at the nameplate on you …

read more

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 startsA large land fill energy producer in Chicago faced a  …

read more