ECM Buyers' Guide

power quality

Taking the Mystery Out of PQ Problems 

Jun 1, 2000, By Stan Turkel, ATMS Technical Training Co.

Here's a true story from the files of a real power quality detective....

An Undistorted Look at Harmonics 

Jun 1, 2000, By Noah Bethel

How can you minimize harmonic distortion? Is the concern financial, or is your equipment at risk? Here are some basics you need to know....

Industry Standard Set for Minimizing Impact of Voltage Distortion on Equipment 

Apr 1, 2000, By EC&M Staff

Even a split-second deviation in the voltage of electricity serving a fabrication plant can crash a sensitive component, causing downtime, missed deliveries,...

Power Conditioners Prove Invaluable 

Mar 1, 2000, Edited by Ellen Parson, Managing Editor

Southeastern fast food chain solves chronic "dirty" power problems and saves thousands of dollars with installation of new power conditioniing units....

Voltage Waveform Distortion: Causes, Effects, Cures 

Mar 1, 2000, By Ken Michaels, PQ Consultant

Is voltage waveform distortion the culprit for equipment malfunction or overloaded power sources? Find out how to extend your equipment's life....

Finding UPS Current Protection Solutions 

Mar 1, 2000, By Dawn VanDee, P.E.

Proper coordination of protection devices is critical for effective operation....

Analysts Forecast Limited Growth for Power Conditioners Market 

Feb 1, 2000, By EC&M Staff

According to a recent study by Frost & Sullivan, the U. S. power conditioner market is experiencing limited growth due to increased demand for alternative...

How reliable is our electricity? 

Dec 1, 1999, By EC&M Staff

According to a new report on the world’s growing dependence on electricity, the reliability of America’s power grid is increasingly threatened while the...

UPS Stands on Firm Ground 

Nov 1, 1999, By Dawn VanDee, P.E.

Grounding is often misunderstood, especially when multiple sources of power supply are present....

When Does Poor PQ Cause Electronics Failures? 

Oct 1, 1999, Edited By John A. DeDad, Editorial Director

Even though a two-cycle power outage can create havoc with electronic equipment, a three-cycle outage sometimes can cause no problems at all....

Fundamentals of Harmonics — Part 3 

Aug 1, 1999, By Ken Michaels, Bell South Corp.

With four popular methods of addressing harmonics, remember to match the method with your problem. Each problem and possible solutions are unique....

Uptime Doesn't Just Happen ... 

Aug 1, 1999, By Mark Lamendola, Technical Editor

In the 1970s, a friend met me in the gym daily. We would trade encouragement, then he’d practice basketball moves. He made MVP that fall. Another example...

Fundamentals Of Harmonics Testing And Mitigation 

Jul 1, 1999, By Ken Michaels, Bell South Corp.

Correctly measuring and interpreting voltage and current waveforms are critical when you're trying to determine what's behind any power quality problem....

Fundamentals of Harmonics 

Jun 1, 1999, By Ken Michaels, Bell South Corp.

With the exception of the incandescent light bulb, every load today creates harmonics. Unfortunately, these loads vary with respect to their amount of harmonic content and response to problems caused by harmonics....

Arrest Your Lightning Protection Problems 

Jun 1, 1999, By Jerry R. Borland, P.E., Technical Editor

To ensure proper protection, you must know which type of lightning arrester to use and what its rating means....

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