Electricity generated by the PV module charges the battery during the day time which powers the luminaire from dusk to dawn. The system lights at dusk and switches off at dawn automatically.
Performance specifications as per MNRE Guidelines:
PV Module
40 Wp under STC
Battery
Leadacid Tubular Flooded or Tubular GEL / VRLA,
12V- 40AH @ C/10
Light Source
White Light Emitting Diode (W-LED)
Light Output
Minimum 15 Lux when measured at the periphery of 4 meter diameter from a height of 4 meter. The illumination should beuniform without dark bands or abrupt variations, and soothing to the eye. Higher light output will be preferred.
Mounting of light
Minimum 4 metre pole mounted
Electronics Efficiency
Minimum 85% total
Duty Cycle Dusk to dawn
Autonomy
3 days or Minimum 42 operating hours per permissible Discharge
Model | Solar Panel | Lighting | Battery | Pole Height |
Model 1 | 12V 74Wp | 1 x 11W CFL | 12V 75 Ah | 4 mtrs |
Model 2 | 12V 120Wp | 2 x 11W CFL | 12V 100 Ah | 4 mtrs |
Model 3 (Double Arm) | 12V 120Wp | 2 x 11W CFL | 12V 100 Ah | 4 mtrs |
Model | Solar Panel | Lighting Source | Battery | Pole Height |
Model 1 | 12V 37Wp | 1 x 9W LED | 12V 42 Ah | 4.5 m |
Model 2 | 12V 60Wp | 1 x 12W LED | 12V 60 Ah | 5.75m |
Model 3 | 12V 74Wp | 1 x 18W LED | 12V 80 Ah | 5.75m |