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 | 56W | 110W |
Total Power | 62W | 110W+40W(With Converter) |
12 hours | 62W*12 hours | 150W*12 hours |
Consumption | = 0.744 kw/h | =1.8 kw/h |
5 Year | 0.744kw/h*365 days *5 year | 1.8 kw/h*365 days *5 year |
Consumption | =1357.8 kw/h | =3285 kw/h |
10km 666 pcs Lamps 5 Year Consumption | 1357.8kw/h*666pcs= | 3285 kw/h *666pcs= |
904294.6 kw/h | 2187810 kw/h |
Electric Bill | 904294.6kw/h*0.2USD=180859 USD | 2187810kw/h* 0.2USD=437562 USD |
Each Lamp Cost | 188 USD | 75 USD |
666pcs Lamp Cost | 125206 USD | 49950 USD |
5 Year Use Lamp | 666 pcs | 3330 pcs |
5 Years Total Cost | 125206(lamp) + 180859 | 249750(lamp)+ 437562 |
=306065 USD | =687312 USD |
5 Years Save Cost | 381247 USD | |
Luminous Efficacy | 80lm/W | 40lm/W |
Illumination | Meet national standards | Meet national standards |
Control | Intelligence control | No |