Web Threads

“Reducing AFD-Caused Harmonics at Partial-Load Conditions,” a white paper from ABB, discusses the need for controlling the level of harmonic current in power distribution systems, widely recognized as an important factor in selecting and applying adjustable speed drives and other non-linear load equipment.

04/01/2007


“Reducing AFD-Caused Harmonics at Partial-Load Conditions,” a white paper from ABB, discusses the need for controlling the level of harmonic current in power distribution systems, widely recognized as an important factor in selecting and applying adjustable speed drives and other non-linear load equipment. For the full story, click on the Electrical or HVAC button at www.csemag.com .

“Energy Retrofit for a Las Vegas Grade School” describes how a line of lighting control products is being incorporated into a major energy retrofit project at Fay Herron Elementary School in North Las Vegas. The project also includes HVAC replacement and installation of new insulated walls and dropped ceilings. For the full story, click on the Electrical or Lighting button at www.csemag.com .

Waterfree urinals are saving one West Palm Beach, Fla., school 40,000 gallons of water per year. Water conservation—and how critical it has become—is a major topic in all parts of the country. For the full story, click on the Plumbing button at www.csemag.com .





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