Ask the Experts
Apr 1, 2003, By Mark McGranahan, Electrotek, and Mike Lowenstein, Harmonics Limited
Perplexed by PQ Issues?...
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
Mar 1, 2003, By Mark McGranahan, Electrotek, and Mike Lowenstein, Harmonics Limited
Perplexed by PQ Issues?...
Learning to Read Waveform Signatures
Feb 1, 2003, By Mark McGranaghan, Electrotek Concepts
A PQ expert can link an abnormal current or voltage waveform to an abnormal condition on a power system just as a handwriting expert matches a signature to a person....
Ask the Experts
Feb 1, 2003, By Mark McGranaghan, Electrotek, and Mike Lowenstein, Harmonics Limited
Perplexed by PQ Issues?...
Inside PQ
Feb 1, 2003, By Eric Hubbard, EPRI PEAC Corp.
The Effects of Test Lead Length on Measurement Accuracy...
Your Options in Power Conditioning Equipment
Jan 1, 2003, By Alan Katz, MGE and David Pereles, Fluke
Selecting the right power conditioning device can help keep your production running smoothly....
Ask the Experts
Jan 1, 2003, By Mark McGranaghan, Electrotek, and Mike Lowenstein, Harmonics Limited
Perplexed by PQ Issues?...
Ask the Experts
Dec 1, 2002, By EC&M Staff
Perplexed by PQ Issues?...
Using Handheld Meters to Track PQ Problems
Dec 1, 2002, By Mark McGranaghan, Electrotek Concepts, Inc.
Despite the industry trend toward continuous power quality monitoring, not every facility or circuit is equipped with permanent equipment....
Inside PQ
Dec 1, 2002, By Ward Jewell, Wichita State University and Dan Ward, Dominion Virginia Power
Harmonic Limits for Single-Phase Equipment...
Harmonic Current and Voltage Distortion
Nov 1, 2002, By Michael Z. Lowenstein, Ph.D., Harmonics Ltd.
Understanding the causes, similarities, and differences between current and voltage distortion will help you pinpoint most power quality problems....
Ask the Experts
Nov 1, 2002, By Dr. Mike Lowenstein and Mark McGranaghan
Perplexed by PQ Issues?...
Simple Strategies for Surge Suppression
Oct 1, 2002, By Mike Boyd, Intermatic
Proper planning and selection of surge suppression devices reduces downtime and purchase costs....




























