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Creating a Business Case to Solve PQ Problems 

May 1, 2005, By Steve Whisenant, Duke Energy, Bruce Rogers, TVA, and Doug Dorr, EPRI Solutions

Two forums reveal an education gap between customers and electric utility representatives when it comes to power quality...

The Economics of Voltage Sag Ride-Through Capabilities 

May 1, 2005, By Mark McGranaghan, Mark Stephens, and Bill Roettger, EPRI Solutions

Weigh the financial effects of power quality variations on your system against the costs of implementing improvements ...

Power Your Customer's Critical Equipment Reliably 

Apr 1, 2005, By Michael A. Stout, Falcon Electric

If you're an electrical contractor or engineer, you've no doubt noticed that customers with critical power needs are increasingly demanding 24/7/365 up-time...

Nuisance-Trip Hardening for Critical Distribution Systems 

Apr 1, 2005, By Steven Emert, P.E., Syska Hennessy Group

When the power went out at a major U.S. data center, the first question on everyone's mind was, How did this happen? The facility was protected by a number...

Capturing Voltage Transients 

Mar 1, 2005, By Jim Giordano, Square D Co.

Today's factory floors usually include a proliferation of sensitive electronics, such as programmable logic controllers (PLCs), variable-frequency drives...

Annual Cost of Power Interruptions Estimated at $80 Billion Maybe 

Mar 1, 2005, 

In the wake of 2003's Northeast blackout, researchers have focused their attention on investing to improve the grid, but a new study asserts that more...

Ask the Experts 

Feb 1, 2005, 

Protect Fuses from Harmonics...

Simplifying Harmonic Mitigation for Industrial Plants 

Jan 1, 2005, by Reza Tajali, P.E., Square D/Schneider Electric

The challenge is to balance the capital costs of the proposed harmonic mitigation equipment against its effectiveness...

Ask the Experts 

Jan 1, 2005, 

How low can you go?...

Countering the Heating Effects From Troublesome Harmonics 

Dec 1, 2004, By Keith Lane, P.E., SASCO

This project proves you can overcome long horizontal runs and moderate levels of harmonics to provide reliable power...

Ask the Experts 

Nov 1, 2004, 

They can overheat your system and make your fluorescent lights flicker, and they're often caused by the instruments you need to improve power quality....

Interpreting and Analyzing Power Quality Measurements 

Nov 1, 2004, By Chris Melhorn and Mark McGranaghan, EPRI-PEAC Corp.

Power quality has become a key concern for utility, facility, and consulting engineers because end-use equipment is now more sensitive to disturbances...

What to Know About Common Mode Surges and Ground Contamination 

Oct 1, 2004, By Rudy Harford, Zero Surge, Inc.

Not knowing the difference between ground noise and common mode surges and noise on power lines can cause you problems...

Learning the Reliability Lingo 

Oct 1, 2004, By Michael Eby, Editor-in-Chief

Probability of failure. Availability. Mean time to repair. Failure rate. Unavailability. Failure mode. Mean time to failure. Interruption. Dirty power. Do these terms and phrases mean anything to you?...

Diagnosing Power Problems at the Receptacle 

Oct 1, 2004, By Duane Smith, Fluke Corp.

Three measurements taken at one outlet can provide you with a solid understanding of a building’s branch-circuit power supply...

Learn how HRG technology can mitigate and reduce the arc flash hazard; design considerations to remember when specifying and installing an HRG system. On-Demand Webinar - Sponsored by I-Gard

"Full Voltage Motor Starting and Engine Generators"

Sponsored By:

 

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