Rosslyn, Va.-based National Electrical Manufacturers Association (NEMA) has published BL 2-2009, "Energy Efficiency for Electronic Ballasts for T8 Fluorescent Lamps." The standard was developed by ...
In part 1 we discussed rectifying the ballast AC current to DC and we showed an open load protection circuit. Direct replacement of fluorescent tubes with LED assemblies can lead to uneven lighting.
A new standard contains energy-efficiency requirements for evaluating electronic ballasts designed for use with 4-ft, 32-W T8 fluorescent lamps. The National Electrical Manufacturers Association (NEMA ...
To comply with new laws on reducing energy usage, fluorescent and HID lighting systems — both examples of arc discharge lamps — have become more complex and varied in their performance. To understand ...
International Rectifier has introduced Version 4.0 of its popular ballast design assistant software. The software, IRPLBDA4, reduces electronic ballast design time, producing a schematic and complete ...
With the rapid development of high brightness LEDs, SSL (Solid State Lighting) is no longer a niche market. In commercial buildings and department stores LED fixtures are chosen over fluorescents ...
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