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Power Quality & Reliability
Harmonics
Understanding why current and voltage deviate from a pure sinewave, how it affects electrical systems, and best practices for dealing with the non-linear loads that cause them
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EC&M Tech Talk — Troubleshooting: Tips & Ideas
July 1, 2024
Courtesy of Fluke.
Understanding the Impact of Harmonics
March 12, 2024
Photo 276235337 © Viktor Kintop | Dreamstime.com
The Ferroresonance Phenomenon
Nov. 13, 2023
Harmonics: Mitigation Techniques
July 10, 2023
Harmonics: Identification and Diagnosis of Data
June 11, 2023
Harmonics: Identification and Diagnosis Detailed
May 8, 2023
When Is the Power Quality Issue Not the Issue?
March 10, 2023
Highlights
MTE Corp.
Matrix Air EC Motor Filter
July 11, 2022
Mitigates harmonics issues produced by electronically commutated motors.
Photo courtesy of AZZO
The Top 5 Myths About Portable Metering
Feb. 7, 2022
Dispelling common misconceptions regarding the selection and application of portable metering
© Farek | Dreamstime.com
Electrical Troubleshooting Quiz — Aug. 3, 2021
Aug. 3, 2021
How to address a scary power quality report
© Artinun Prekmoung | Dreamstime.com
Members Only
Content
ECM’s Monthly Quiz: Power Quality Puzzles
March 2, 2021
Take this quiz to see how much you know about power quality, and enter for a chance to win a $25 gift card to Amazon, Cabela's, or iTunes!
Photo 150621333 © Artinun Prekmoung | Dreamstime.com
Check That UPS
Oct. 13, 2020
These systems store energy, typically in a battery, and then release that energy when needed.
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Where Is That Harmonic Source?
Sept. 22, 2020
Follow the Current
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Electrical Troubleshooting Quiz — Aug. 18, 2020
Aug. 18, 2020
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Fix Frustration Factors — Part 6
Aug. 4, 2020
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Electrical Troubleshooting Quiz — Aug. 4, 2020
Aug. 4, 2020
How to solve for harmful harmonics
The Case of the Chiller Fuse Failures
July 14, 2020
How one university solved the mystery of fuse failures on a large chiller
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Electrical Troubleshooting Quiz — July 7, 2020
July 7, 2020
What to do when a custom-built production machine with recycled parts keeps breaking down
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Delinquent ASD Causes Havoc on PV System
May 26, 2020
Unusual fault code leads to the true culprit of a power quality dilemma
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