- Nikola Tesla invented induction lighting in 1891. It is a
proven, refined lighting technology, established as highly energy
efficient. (Nikola Tesla also invented AC current).
LED is still under much technical revision and unproven in high power lighting applications. - Induction lighting is a cost effective solution as a new
purchase or as a retrofit, with a 1 to 2 year ROI when
considering energy and maintenance costs (without energy rebates or
tax incentives).
LED is energy efficient..... but with a 4 to 5 year ROI (currently costs nearly twice as much as Ind.). - Induction Lighting is designed for area lighting and does
not need to be specially designed for that purpose.
LED is designed for directed/spot lighting. LED has to be "domed", needing many LEDs to create the effect of area lighting. This factor is expensive and more vulnerable to premature technical failures. - Induction Lighting has a rated life of 80,000 - 100,000 hours.
LED has a rated life of 30,000 – 50,000 hours. - Induction is warranted for 5 years.
LED has a shorter warranty of 1 to 3 years. - Induction lighting can maintain output from – 50C to + 100C
degrees.
LED has a seriously reduced output (lumen depreciation) above 25C degrees. Most lights are that hot in an enclosed fixture with just spring/summer ambient temperature. (See the CREE article on temperature). - An induction, 200 watt bulb is rated at 33,320
"visible" lumens.
A LED, 200 watt bulb is rated at 17,520 "visible" lumens, a 15,800 Visible Lumens difference.
2015年8月11日星期二
Induction Lamp vs LED light
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