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LED and Power: Quality Matters

by LiveModern Webmaster last modified Oct 19, 2012 01:01 AM
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by Brent Ehrlich last modified Oct 18, 2012

Author name:  Brent Ehrlich Blog Category:  GreenSpec Insights LED replacement lamps look super-efficient on payback charts and utility bills, but they may be sucking more power than you realize. LED replacement lamps like this one from Cree  have a high power factor; those intended for residential use often don't. Photo Credit: Cree, Inc. GreenSpec and EBN have reviewed a number of LED replacement lamps over the years and have reported on improvements in efficacy (light output in lumens per watt of electricity consumption), color, and light quality ; lower costs ; and its increasing acceptance . In the EBN article LEDs: The Future is Here , we explored briefly how LEDs interact with the power supply, but we were surprised when an email from Stefan Bernath, Alberta infrastructure energy coordinator, came in describing how LEDs were affecting his building’s power supply. His email got me wondering if power quality and LEDs are going to be a bigger problem in the future. read more






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