1, power density options:
Traditional lighting power density of 10-25 W / m, the selection of LED lamps cast light power density at 3-15 watts / square meter design, general office LED luminaire 3-10 W / m for shopping malls and other hotels higher brightness of the occasion, according to 10-15 W / sqm.
2, the power selection:
LED flood light power in a conventional high pressure sodium lamp power 1/5 considered.
3, Power factor:
LED flood light lamp power factor above 0.95, while the traditional high pressure sodium lamp power factor of about 0.6.
4, power efficiency:
LED flood light lamp power supply efficiency is above 0.9, while the traditional high pressure sodium lamp power efficiency of about 0.6.
5, the service life:
LED light projector light source life of 30,000 -5 million hours, while the traditional high pressure sodium lamp life of 3000-8000 hours.
6, cable investment:
LED lighting can reduce lighting cable and transformer capacity, compared with the traditional lighting, at least more than half of the investment can be reduced transformers and cables.