Items |
High Pressure Sodium Light |
LED Street Light |
Photometric Performance |
Bad |
Excellent |
Radiator Performance |
Bad |
Excellent |
Electric Performance |
Electric Shock Easy( High Voltage) |
Safe (Low Voltage) |
Working Life |
Short (5,000h) |
Quite Long (>50,000h) |
Working Voltage Range |
Narrow (±7%) |
Wide(±20%) |
Power Consumption |
Quite High |
Quite Low |
Startup Speed |
Quite Slow( Over 10minutes) |
Rapid (2s) |
Strobe |
Yes( Alternating Current Drive) |
No( Direct Current Drive) |
Optical Efficiency |
Low |
High |
Color Index/ Distinguish Feature |
Bad, Ra< 50(The Color Of Object Is Faith, Boring, Hypnosis) |
Good, Ra>75(The Color Of Object Is Fresh, Veritable And Comfortable |
Color Temperature |
Quite Low ( Yellow Or Amber , Uncomfortable |
Ideal Color Temperature ( Comfortable) |
Bad Glare |
Strong Glare (Dazzle) |
No Harmful Glare |
Light Pollution |
Strong |
No |
Heating |
Serious (>300℃) |
Cold Light (<60℃) |
Lampshade Turn Dark |
Easy ( Absorb Dust) |
No ( Static Proof) |
Lamp Aging Turn Yellow |
In A Short Time |
No |
Shockproof Performance |
Bad(Fragile ) |
Good (No Filament Nor Glass) |
Environment Pollution |
Contains Mercury Element Etc. |
No |
Maintenance Cost |
High |
Quite Low |
Product Cubage |
Big |
Small (Slim Appearance) |
Cost-Effective |
Low |
High |
Product Weight |
Heavy |
Light |
Integrated Performance |
Bad |
Excellent |
|
|
|
The comparison of 10km Five-year total cost between LED Street Light and Traditional Street Lamp
|
|
LED Street Light |
Traditional Street Lamp |
Lamp Power |
112W |
220 W |
Total Power |
121W |
220W+80W(With Converter) |
12 hours |
121W*12 hours |
300W*12 hours |
Consumption |
= 1.452 kw/h |
=3.6 kw/h |
5 Year |
1.452 kw/h*365 days *5 year |
3.6 kw/h*365 days *5 year |
Consumption |
=2650 kw/h |
=6570 kw/h |
10km 666 pcs Lamps 5 Year Consumption |
2650kw/h*666pcs= |
6570 kw/h *666pcs= |
1764900 kw/h |
4375620 kw/h |
Electric Bill |
1764900 kw/h*0.2USD=352980 USD |
4375620kw/h* 0.2USD=875124USD |
Lamp Cost |
428 USD |
130 USD |
666pcs Lamp Cost |
285048 USD |
86580 USD |
5 Year Use Lamp |
666 pcs |
3330 pcs |
5 Years Total Cost |
285048 (lamp) + 352980 |
432900(lamp)+ 875124 |
=638028 USD |
=1308024 USD |
5 Years Save Cost |
669996 USD |
|
Luminous Efficacy |
80lm/W |
40lm/W |
Illumination |
Meet national standards |
Meet national standards |
Control |
Intelligence control |
No |