subject: Induction Lighting Cuts The Cost Of Power Usage And Extend The Life Of The Lamps [print this page] The never ending and wasteful use of power because it is cheap and unlimited is an attitude that no longer has a place in the real world.
If one looks at pictures taken from satellites at night one can sees more light than darkness. Light pollution is extreme and although street lighting is a great boon to living and security of urban and suburban living it is a huge power user.
Many buildings leave their lights on at night and without doubt there are many wasteful practices. For example turning a TV or LCD screen and many other appliances such as internet modems to standby instead of off consumes a steady drain of electricity. Whether in the office or at home a combination of wasteful lights left burning and other wasteful habits result in billions of dollars wasted in needless power generation annually.
No one would ever dream of suggesting that street lighting should be cut down but what if a way is found to significantly make energy savings in this sector.
Well induction lights effectively cut down at least 50% of the power consumption of fluorescent lights and a lot more than incandescent lights while extending the life of the lamp.
Incandescent lights effectively turn the resistance to current into heat and light. Historically this is the way we always generated lights but while the quality of light was fairly warm and yellow the element burned out while the heat is wasteful.
Fluorescent lights are more economical when burning for the same amount of illumination. However they have a big power spike when actually starting, a separate starter unit which frequently fails and even here the electrodes that excite the vapors within the tube gradually deteriorate and the light starts flickering. In addition the usual colors used for lighting is a fairly harsh white.
Neon lighting tubes can be twisted and turned and come in many colors so are frequently used for signage.
The idea for induction lighting has been around for over 100 years but has only recently become commercially viable, and even then the lamps themselves cost considerable more than their incandescent counterparts. But they use considerable less power, typically a 40 watt incandescent lamp can be replaced by a 8 watt induction lamp, a 60 watt by a 14 watt lamp and the replacement for a 100 watt is a 24 watt induction lamp.
The lamp itself lasts considerable longer as there are no electrodes or elements within the gasses to deteriorate. Similar in idea to the fluorescent or neon counterparts the gasses are excited but it is not an arc across the electrodes that stimulates the vapors but a high frequency generator with a power coupler which excites the gas fill. Theoretically the lamp can last 100,000 hours with a slow and gradual deterioration to more than 75% of the original illumination after 60% of the life of the lamp.
Thus the energy saving adds to the green credentials of the users and significantly reduces the power generation requirement for the equivalent amount of light shed.
by: Bartlett Hanson
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