power quality


Making Industrial UPS Protection Financially Attractive 

Oct 1, 2003, By Brad Walter, Active Power, Inc.

Sometimes improved power quality and reliability aren't the only justifications for installing backup power...

Selecting the Right Power Quality Meter 

Sep 1, 2003, By Jon Bickel, Square D / Schneider Electric

Before purchasing a power quality meter, make sure its features actually meet your needs...

Dealing with Voltage Sags in Your Facility 

Sep 1, 2003, By Mark McGranaghan, EPRI-PEAC Corp.

Voltage sags can be just as detrimental to your plant as a complete outage...

Ask the Experts 

Sep 1, 2003, By John Dedad, Editorial Director

A Curve By Any Other Name Is Still a Curve...

Ask the Experts 

Aug 1, 2003, By Mark McGranahan, EPRI-PEAC and Frank Waterer, Square D

Perplexed by PQ Issues?...

Controlling Harmonics Locally in Commercial Facilities 

Aug 1, 2003, By Mark McGranaghan, EPRI-PEAC Corp.

The increased use of electronic equipment with switch mode power supplies may be wreaking havoc on 120/208V systems, but you have options for correcting the problem locally...

Ask the Experts 

Jul 1, 2003, By Mark McGranaghan

Perplexed by PQ Issues?...

Improving Power Factor with Variable Speed AC Drives 

Jul 1, 2003, By Mauri Peltola, ABB

The installation of AC drives can yield some predictable benefits and some not-so-predictable side effects...

Subscribe to PQNewsBeat 

Jun 3, 2003, 

PQNewsBeat is a tri-monthly e-newsletter for electrical industry professionals concerned with system reliability and power quality. The newsletter provides...

Power Factor Correction and Harmonic Resonance: A Volatile Mix 

Jun 1, 2003, By Daniel J. Carnovale, P.E., Eaton/Cutler-Hammer

Capacitors may be meant to correct problems, but they can also introduce them if incorrectly specified...

Ask the Experts 

Jun 1, 2003, By Mark McGranahan, Electrotek, and Mike Lowenstein, Harmonics Limited

Readers, You Have the Floor...

Inside PQ 

Jun 1, 2003, By Mark McGranaghan, EPRI-PEAC

What power quality can you expect from your utility?...

E-newsletter on power quality 

May 30, 2003, 

PQNewsBeat addresses the needs of thousands of engineers and commercial and industrial facility and utility managers concerned about the quality and delivery...

Ask the Experts 

May 1, 2003, By Mark McGranahan, Electrotek, and Mike Lowenstein, Harmonics Limited

What Makes a PCC a PCC?...

Sizing Active Filters for Commercial Facilities 

May 1, 2003, By Mark McGranaghan, Electrotek Concepts, Inc.

Save energy by selecting the proper filter for your needs...

Inside PQ 

May 1, 2003, By Alan Manche, P.E., Square D/Schneider Electric

Enhancing Surge Protection Performance and Equipment Safety...

Inside PQ 

Apr 1, 2003, By Mark McGranaghan, Electrotek Concepts

Power Factor Correction: When Does it Make Sense?...

How to Avoid Common Mistakes in Power Conditioning 

Apr 1, 2003, By Cherian Jose and Peter Huss, Powervar, Inc.

Today's computer systems have different power protection requirements than their predecessors...

Ask the Experts 

Apr 1, 2003, By Mark McGranahan, Electrotek, and Mike Lowenstein, Harmonics Limited

Perplexed by PQ Issues?...

Ask the Experts 

Mar 1, 2003, By Mark McGranahan, Electrotek, and Mike Lowenstein, Harmonics Limited

Perplexed by PQ Issues?...

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product spotlight

EV charger tester

May 25, 2012 8:26 AM

EV charger tester

The Electrician is portable tester that verifies critical power and safety requirements of electric vehicle (EV) chargers...

View all 2012 Product Spotlights

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