Learning Center

Learning Center

Your guide to elevating electrical safety, reliability, and energy efficiency

VFDs and Harmonics – Why You Should Care

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’t know …

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What is a Line Reactor?

What is a Line Reactor?

By Yin on 12th Jun 2014
A line reactor (also referred to as a "choke") is a variable frequency drive (VFD) accessory that consists of a coil of wire that forms a magnetic field as current flows through it. This magnetic field limits the rate of rise of t …

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Variable Frequency Drive Harmonic Mitigation

Variable Frequency Drive Harmonic Mitigation

By Craig Hartman on 20th Mar 2014
Table of Contents Background of Harmonics IEEE 519 - Recommended Practices for Harmonic Control Effects of Harmonics Types of Harmonic Mitigation Equipment Harmonic Mitigation Cost Measurement Considerations Re …

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