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SOLAR HOME SYSTEMS (SOLAR POWER PACKS)

A solar home system provides a comfortable level of illumination in one or more rooms of a house. The SHS consists of a PV module, control electronics, battery, and luminaire(s). There are several SHS models featuring 5 numbers of luminaires based on White Light Emitting Diode (W-LED). The “D.C. Models” could be used to run a small DC fan or a 12-V DC television along with the W-LED Lamps, while the “A.C. Models” could be used to run a fan and/or a television along with the W-LED Lamps.


BROAD PERFORMANCE SPECIFICATIONS

PV Module 75Wp to 300Wp under STC (with Module Mounting Structure).
Light source 5 Nos. LED based luminaries :
  • 3 Nos. of White Light Emitting Diode (W-LED) Luminaire (max. 3.0 Watts each) .The wattage of the LED used in the luminaire should be such that the total input power consumption by the luminaire is not more than 3 W (including the LED driver consumption).
  • 2 Nos. of White Light Emitting Diode (W-LED) Luminaire (max. 6.0 Watts each). The wattage of the LED used in the luminaire should be such that the total input AC power consumption by the luminaire is not more than 6 W (including the LED driver consumption).
Light Output 3W, LED Luminaire:
Minimum 18 Lux when measured from a height of 2.5 meter in an area of 2.5 meter diameter.

6W, LED Luminaire:
Minimum 32 Lux when measured from a height of 2.5 meter in an area of 2.5 meter diameter. [The light should be glaze free and should not have any shadow band. The variation in the minimum to maximum light in 4 Meter diameter area should not be more than 10 %.]
Suggested indicative loads in addition to the Light One Fan for 3 -7 hrs. / day , to be purchased separately (Optional) and /or A TV set, for 3-7 hrs. / day to be purchased separately (Optional) or A PC, for 3 -6 hrs. / day to be purchased separately (Optional) or other equivalent loads Along with a provision for operating the radio and mobile charger etc.
Battery Lead Acid, Tubular positive plate flooded electrolyte or Gel or VRLA Type
Electronicst Minimum 85%. Efficiency
Working temperature 00 - 450 C

6A. Solar Based Home Systems (SOLAR POWER PACKS): D.C. MODELS

i. SOLAR POWER PACK: 75 Wp
Battery : 12V, 60Ah - C/10 Rated ; Lead Acid
Solar Charge Controller : 12V,5 A
Load :
  1. 3 Nos. of White Light Emitting Diode (W-LED) Luminaire (max. 3.0 Watts each ) for 5 Hrs. / day
  2. 2 Nos. of White Light Emitting Diode (W-LED) Luminaire (max. 6.0 Watts each ) for 4 Hrs. / day
  3. 1 D.C. Fan(20Watts) for 4-5 Hrs. / day, OR Power for a 12V DC TV (max. 25 watts) set, for 3-4 hrs. / day
    1. To be purchased separately (Optional)
  4. Provision for operating the radio and USB port for Mobile Phone Charging
ii.SOLAR POWER PACK : 100Wp
SPV Module (with Module Mounting Structure) :100 Wp
Battery : 12V, 75Ah - C/10 Rated ; Lead Acid
Solar Charge Controller : 12V,10 A
Load :
  1. 3 Nos. of White Light Emitting Diode (W-LED) Luminaire (max. 3.0 Watts each ) for 5 Hrs. / day
  2. 2 Nos. of White Light Emitting Diode (W-LED) Luminaire (max. 6.0 Watts each ) for 5 Hrs. / day
  3. 1 D.C. Fan(20Watts) for 3-4 Hrs. / day, and
  4. Power for a 12V DC TV (max. 25 watts) set,
    1. To be purchased separately (Optional) for 3-4 hrs. / day.
  5. Provision for operating the radio and USB port for Mobile Phone Charging.
iii. SOLAR POWER PACK : 150Wp
SPV Module (with Module Mounting Structure) :150 Wp
Battery : 12V, 120 Ah - C/10 Rated ; Lead Acid
Solar Charge Controller : 12V,15 A
Load :
  1. 3 Nos. of White Light Emitting Diode (W-LED) Luminaire (max. 3.0 Watts each ) for 6 Hrs. / day
  2. 2 Nos. of White Light Emitting Diode (W-LED) Luminaire (max. 6.0 Watts each ) for 6 Hrs. / day
  3. 1 D.C. Fan(20Watts) for 5-6 Hrs. / day
  4. Power for a 12V DC TV (max. 25 watts) set,
    1. To be purchased separately (Optional) 5-6 hrs. / day
  5. Provision for operating the radio and USB port for mobile Phone Charging

6B. SOLAR BASED HOME SYSTEMS (SOLAR POWER PACKS): A.C. MODELS

i. SOLAR POWER PACK: 200 Wp
SPV Module (with Module Mounting Structure) :200 Wp
Battery : 24V, 75Ah OR 12V,150 AH - C/10 Rated ; Lead Acid
Solar Charge Controller : 24V,10 A OR 12V, 20 A
Solar Inverter: 24V/ 12 V , 300VA, Pure Sine wave (THD<5%)
Load : 100 Watt A.C. load for 4-5 Hours/ day
Suggested Indicative A.C. Loads*:
  1. 3 Nos. of White Light Emitting Diode (W-LED) Luminaire (max. 3.0 Watts each ) for 6 Hrs. / day
  2. 2 Nos. of White Light Emitting Diode (W-LED) Luminaire (max. 6.0 Watts each ) for 6 Hrs. / day
  3. Provision to Power
    1. One Fan for 4-5 Hrs. / day , to be purchased separately (Optional)
    2. OR
    3. Provision for operating the radio and USB port for mobile Phone Charging
  4. Power for a 12V DC TV (max. 25 watts) set,
    1. To be purchased separately (Optional) 5-6 hrs. / day
  5. Provision for operating the radio and USB port for mobile Phone Charging
i. SOLAR POWER PACK: 250 Wp
SPV Module (with Module Mounting Structure) : 250 Wp
Battery : 24V/100Ah OR 12 V, 200 AH - C/10 Rated ; Lead Acid
Solar Charge Controller : 24V,10 A OR 12 V, 20 A
Solar Inverter: 24V/ 12 V , 300VA, Pure Sine wave (THD<5%)
Load : 100 Watt load for 5-6 Hours/ day
Suggested Indicative Loads*:
  1. 3 Nos. of White Light Emitting Diode (W-LED) Luminaire (max. 3.0 Watts each ) for 6 Hrs. / day
  2. 2 Nos. of White Light Emitting Diode (W-LED) Luminaire (max. 6.0 Watts each ) for 6 Hrs. / day
  3. Provision to Power
    1. One Fan for 5-6 Hrs. / day , to be purchased separately (Optional)
    2. OR
    3. A TV set, for 5-6 hrs. / day, to be purchased separately (Optional).
  4. Power for a 12V DC TV (max. 25 watts) set,
    1. To be purchased separately (Optional) 5-6 hrs. / day
  5. Provision for operating the radio and USB port for Mobile Phone Charging
iii. SOLAR POWER PACK: 300 Wp
SPV Module (with Module Mounting Structure) : 300 Wp
Battery: 24V/120Ah OR 12 V ,240 AH - C/10 Rated ; Lead Acid
Solar Charge Controller : 24V, 15 A OR 12 V, 30 A
Solar Inverter: 24V / 12 V, 300VA, Pure Sine wave (THD<5%)
Load : 100 Watt load for 6-7 Hours/ day
Suggested Indicative Loads*:
  1. 3 Nos. of White Light Emitting Diode (W-LED) Luminaire (max. 3.0 Watts each ) for 6 Hrs. / day
  2. 2 Nos. of White Light Emitting Diode (W-LED) Luminaire (max. 6.0 Watts each ) for 6 Hrs. / day
  3. Provision to Power
    1. One Fan for 6-7 Hrs. / day , to be purchased separately (Optional)
    2. OR
    3. A TV set, for 6-7 hrs. / day, to be purchased separately (Optional).
  4. Provision for operating the radio and USB port for Mobile Phone Charging

6C. WHITE-LED (W-LED) BASED SOLAR HOME LIGHTING SYSTEMS WITH BATTEN TYPE LUMINARY

A solar home lighting system (SHS) provides a comfortable level of illumination in one or more rooms of a house. The SHS consists of a PV module, control electronics, battery, and luminaire(s). There are several SHS models featuring one, two, or four luminaires based on White Light Emitting Diode (W-LED). The system could also be used to run a small DC fan or a 12-V DC television along with the W-LED Lamps. PV module converts sunlight into electricity, which powers the luminaire(s). White Light Emitting Diode (W-LED) is a solid state device which emits light when electric current passes through it.

BROAD PERFORMANCE SPECIFICATIONS

The broad performance specifications of a W-LED light source based solar home lighting system are given below:


Module 6-40 Watt peak under STC.
Battery Lead acid sealed maintenance free, tubular flooded or Gel / VRLA or NiMH or Lithium-Ion, or Lithium-Ferro Phosphate
Light Source 3 Watts for Batten type light source. White Light Emitting Diode (W-LED)
Light Out put 10 Lux when measured at the periphery of 2.5 meter diameter from a height of 2.5 meter. At any point within area of 2.5mtr diameter periphery the light level should not be more than three limes of the periphery value. The illumination should be uniform without Dark Bands or abrupt variations and soothing to the eyes. Higher output would be preferred.
Multiple Light Levels Light To take care of different lighting needs as per user’s requirement. The lamp should have multiple levels of light (at least two levels) to take care of different lighting needs during the night.
Mounting of light Wall or ceiling
Electronicst Minimum 85%. Efficiency
Average duty cycle 5 hours a day under average daily insolation of 5.5 kWh/ sq.m. on a horizontal surface.
Facility for Mobile Charging USB port for Mobile Charging, However, the duty cycle for light to be adjusted accordingly.
Autonomy 3 days or Minimum 15 operating hours per permissible discharge.
OR
Minimum 6 operating hours per permissible discharge at full light level (In case of NiMH or Lithium-Ferro Phosphate)

There are six models of W-LED home lighting systems. The configuration of each model is as follows:

Model-I One White LED luminaire batten type
PV Module 6 Wp under STC
Battery Lead acid Sealed maintenance free, 12V-7 AH @ C/20 or NiMH or Lithium-Ion of requisite capacity.

Model-IA One White LED luminaire batten type
PV Module 6 Wp under STC
Battery Lithium-Ferro Phosphate of 3X 3.2V, 1800 mAh (or requisite capacity)

Model- II Two White batten type LED luminaire
PV Module 12 Wp under STC
Battery Lead acid Tubular flooded or Gel / VRLA, 12V - 12AH @ C/20

Model –III Two White batten type LED luminaires and one DC fan of wattage up to 10 W
PV Module 24 Wp under STC
Battery Lead acid Tubular flooded or Gel / VRLA, 12V- 20AH @ C/20

Model –IV Four White batten type LED luminaires
PV Module 24 Wp under STC
Battery Lead acid Tubular flooded or Gel / VRLA, 12V- 20AH @ C/20

It should have a socket to provide power for a 12V DC TV set which can be purchased separately.


Model –V Two White batten type LED luminaires and one DC fan of wattage up to 20 W
PV Module 40 Wp under STC
Battery Lead acid Tubular flooded or Gel / VRLA, 12V- 40AH @ C/10 It should have a socket to provide power for a 12V DC TV set which can be purchased separately.