Surge Protection Specification and Application
Aug 1, 2002, By Matt Wakeham, Leviton
Knowing industry guidelines can save you money and enhance performance....
What's So Great About Overcurrent Protection?
Jul 1, 2002, By Mike Holt, Mike Holt Enterprises, Inc.
Understanding the overcurrent trilogy will help you protect your circuits....
Interference Causes Problems for a CRT
Jun 1, 2002, By Timothy Koch, P.E., HDR
A power quality investigation of a flickering CRT screen demonstrates the importance of a smart electrical design in the information age....
Correcting Power Factor at Your Motor Terminals
Jun 1, 2002, By John Paschal, P.E., Bechtel Corp.
Correctly installing capacitors at the terminals of your motors can lower reactive power requirements and increase system power factor....
Downturn in Demand Gives Contractors Time to Get in the DG Game
Feb 1, 2002, By Matthew Halverson, Associate Editor
As discretionary capital dries up, contractors have a chance to prepare for the next wave of demand for distributed generation (DG)....
Power Quality Problems in Health Care Facilities
Feb 1, 2002, By David A. Rush, CPQ, GE Medical Systems
Keeping sophisticated medical equipment working properly presents a major challenge for today’s high-tech health care facilities....
Losing Power Isn't an Option
Dec 1, 2001, By Michael Eby, Editor-in-Chief
Two weeks ago, I lost power to my house when a distribution transformer serving the homes in my cul-de-sac failed. It took the utility about five hours...
Developing a Solid Power Quality Plan
Dec 1, 2001, By Mark Lamendola, Technical Editor
Proper planning prevents most power quality problems....
Anatomy of a Power Outage
Oct 1, 2001, By John D. Gaskell, P.E., Gaskell Associates, Ltd.
After the power failed at a New England health care facility, a power quality investigation revealed an unlikely culprit....
Clean Power to Go: PQ in the SUV Age
Jul 1, 2001, By Stan Turkel, Power Quality Consultant
The next time you're crossing a parking lot or stuck in traffic, take a peak into the cars around you. You'll likely spot a variety of technological luxuries,...
California Energy Crisis, Rolling Blackouts Could Continue Through Summer
Apr 1, 2001, By EC&M Staff
Although California utilities took steps to expand the state's power generation capacity, their efforts could be too late to prevent severe power shortages...
The Interaction of Power Quality and Your UPS
Mar 1, 2001, By Joseph Stamper, DC Group
The common misconception that a UPS fixes all power quality problems can lead to an overload condition. Where does a UPS fit into your overall power quality...
Ensuring Power Quality and Reliability with Gen-Sets
Mar 1, 2001, By Mike Carr and Layne Sitter, Generac Power Systems
When you select the appropriate components, engine gen-sets can provide seamless ride-through upon loss of primary power. By design, engine gen-sets provide...
UPS Cures for Power Quality Problems
Mar 1, 2001, By Mark Hartfiel, Power Engineering and Mark Lamendola, Technical Editor
A UPS will solve certain power quality problems, if you apply it properly. Because it supplies good power, it's easy to assume a UPS will cure all power...
Can You Name That Tune?
Mar 1, 2001, By Stan Turkel
Upgrading a historic building's elevator system leads to a mysterious case of the humming conductors....
Museum Records Save the Day
Feb 1, 2001, By Stan Turkel
Being a power quality detective involves more than just finding a cause for an incident. Often, the job entails politics and communication with outside...
Don't Let Surges and Sags Get You Down
Nov 1, 2000, By Stan Turkel
Misdiagnosing routine power quality problems due to the effects of voltage surges or sags is easy to do, if you're unclear about the causes. A large-scale...
Simplifying Surge Protection
Nov 1, 2000, By Alex Gorosito
Because of the low-voltage operation of twisted pair and coaxial cables, effective surge protection is critical to avoid problems with electrical communications...
In Search of Transients
Oct 1, 2000, By Stan Turkel
When it comes to power quality events, it always helps to know what you’re looking for—before you begin your search....
Solving SCR Line Voltage Notching
Sep 1, 2000, By John A. Houdek, MTE Corp.
To solve 3-phase voltage notching problems, use a 3% impedance reactor....
