|
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 Five-year total cost between LED Street Light and Traditional Street Lamp
|
|
|
LED Street Light |
Traditional Street Lamp |
|
Lamp Power |
84 W |
180W |
|
Total Power |
92 W |
180W+70W(With Converter) |
|
12 hours |
92 W*12 hours |
250W*12 hours |
|
Consumption |
= 1.1 kw/h |
=3 kw/h |
|
5 Year |
1.1 kw/h*365 days *5 year |
3 kw/h*365 days *5 year |
|
Consumption |
=2000 kw/h |
=547.5 kw/h |
|
10km 666 pcs Lamps 5 Year Consumption |
2000 kw/h*666pcs= |
547.5 kw/h *666pcs= |
|
1332000 kw/h |
3646350 kw/h |
|
Electric Bill |
1332000kw/h*0.2USD=266400 USD |
3646350 kw/h* 0.2USD=729270 USD |
|
Each Lamp Cost |
305 USD |
100 USD |
|
666pcs Lamp Cost |
203130 USD |
66600 USD |
|
5 Year Use Lamp |
666 pcs |
3330 pcs |
|
5 Years Total Cost |
203130(lamp) + 266400 |
333000(lamp)+ 729270 |
|
=469530 USD |
=1062270 USD |
|
5 Years Save Cost |
592740 USD |
|
|
Luminous Efficacy |
80lm/W |
40lm/W |
|
Illumination |
Meet national standards |
Meet national standards |
|
Control |
Intelligence control |
No |