Tubular-type compact fluorescent lamp is one of the most popular types among European consumers.
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TCPi Blog " Compact Fluorescent Lamp
... Blog featured TCP's friend Ed Hammer, the father of the Compact Fluorescent Lamp, ... Tags: CFL, Compact Fluorescent Lamp, Consumer Reports, Ed Hammer, mercury ...blog.tcpi.com/tag/compact-fluorescent-lamp/Seth's Blog: How many bloggers does it take to screw in a lightbulb?
[Note: this is part of a webwide series of blog posts about compact fluorescent lightbulbs. January is the darkest month of the year in the Northern Hemisphere ...sethgodin.typepad.com/seths_blog/2007/01/how_many_blogge.htm...FatMixx " Blog Archive " On the way to energy efficiency: Compact ...
On the way to energy efficiency: Compact Fluorescent Light Bulbs. 04/21/2009 11:22 am ... Use even less mercury with MaxLite's™ low mercury compact fluorescent lamps. ...www.fatmixx.com/2006/07/03/on-the-way-to-energy-efficiency-c...What About Mercury From Compact Fluorescents? : TreeHugger
Many people, when they learn that compact fluorescent bulbs contain mercury vapor, get skeptical about the much talked-about benefits of these and assume that ...www.treehugger.com/files/2005/06/what_about_merc.phpCOMPACT FLUORESCENTS - Green Inc. Blog - NYTimes.com
... energy to customers, like better prices on compact fluorescent light bulbs. ... Installing compact fluorescent lights in the bathroom, for instance, is an easy ...greeninc.blogs.nytimes.com/tag/compact-fluorescents/Tubular-type compact fluorescent lamp is one of the most popular types among European consumers.
A compact fluorescent lamp (CFL), also known as a compact fluorescent light or energy saving light (or less commonly as a compact fluorescent tube 1), is a type of fluorescent lamp. Many CFLs are designed to replace an incandescent lamp and can fit into most existing light fixtures formerly used for incandescents.
Compared to general service incandescent lamps giving the same amount of visible light, CFLs generally use less power, have a longer rated life, but a higher purchase price. In the United States, a CFL can save over US $30 in electricity costs over the lamp's life time compared to an incandescent lamp and save 2,000 times its own weight in greenhouse gases. Like all fluorescent lamps, CFLs contain mercury, which complicates their disposal.
CFLs radiate a different light spectrum from that of incandescent lamps. Improved phosphor formulations have improved the subjective color of the light emitted by CFLs such that some sources rate the best 'soft white' CFLs as subjectively similar in color to standard incandescent lamps.
History
Construction
The most important technical advance has been the replacement of electromagnetic ballasts with electronic ballasts; this has removed most of the flickering and slow starting traditionally associated with fluorescent lighting. There are two types of CFLs: integrated and non-integrated lamps.
Parts
Electronic ballasts contain a small circuit board with rectifiers, a filter capacitor and usually two switching transistors connected as a high-frequency resonant series DC to AC inverter. The resulting high frequency, around 40 kHz or higher, is applied to the lamp tube. Since the resonant converter tends to stabilize lamp current (and light produced) over a range of input voltages, standard CFLs do not respond well in dimming applications and special lamps are required for dimming service. CFLs that flicker when they start have magnetic ballasts; CFLs with electronic ballasts are now much more common.
Integrated CFLs
Integrated lamps combine a tube, an electronic ballast and either an Edison screw or bayonet fitting in a single CFL unit. These lamps allow consumers to replace incandescent lamps easily with CFLs. Integrated CFLs work well in standard incandescent light fixtures. This lowers the cost of CFL use, since they can reuse the existing infrastructure. In addition, incandescent light fixtures are relatively inexpensive. Special 3-way models and dimmable models with standard bases are available for use when those features are needed.
