Solar Pv Calculations
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Component Modular Arrays Batteries Inverter Charge Controllers Mounting Cabling TOTAL Modular Array Efficiency 13.49
Unit Price (S$) 1,580.49 481.25 945.00 2,791.25 280.50 46.00
Qty 1,317 258 227 58 659 400
Consumption 839.32
Insolation 3.75
Consumption For 1 Block Main Block
kWh 17.08 736.87
Batteries Capacity Effective Capacity No . needed / blk No. needed /blk for 3 days Total needed for 6 blks
kWh 9.96 9.96 1.71 6 36
Inverters Capacity No. needed / battery No inverters in 1 blk w/2 batt No inverters for 6 Blks Total inverters required
W 1000 5 30 30 227
Charge Controllers Maximum Power No required / blk Total for 6 blks No required for main blk
W 4590 2 12 46
No. needed /main No. needed /main for 3 days Total needed for main
Total Price (S$) 2,081,505.33 124,162.50 214,515.00 161,892.50 184,849.50 18,400.00 2,785,324.83
Output DC Voltage (V) 12 12 12 12 N/A N/A
Current Capacity (A) N/A 830 N/A 360 N/A N/A
Area Required 1659.15
Size of Array 1.26
No of array / Residential Blk 27
Usage Refrigerator Air-conditioner Solar lamps TV Launderette Swimming Pool Lounge Restaurant
Wattage (W) 1 35 15 68 240 350000 2268 7500
74 222 222
% Contribution 74.73 4.46 7.7 5.81 6.64 0.66
No of array (Main) 1157
Power 170
Assumed Usage (hr) 819.2 20 12 12 8 1 1 1
Consumption (Wh) 819.2 700 180 816 1920 350000 2268 7500
Qty 5 5 30 5 5 1 1 50
Total Consumption (kWh) 4.1 3.5 5.4 4.08 9.6 350 2.27 375
Unit Price (S$) 1,580.49 481.25 945.00 2,791.25 280.50 46.00
Qty 1,317 258 227 58 659 400
Consumption 839.32
Insolation 3.75
Consumption For 1 Block Main Block
kWh 17.08 736.87
Batteries Capacity Effective Capacity No . needed / blk No. needed /blk for 3 days Total needed for 6 blks
kWh 9.96 9.96 1.71 6 36
Inverters Capacity No. needed / battery No inverters in 1 blk w/2 batt No inverters for 6 Blks Total inverters required
W 1000 5 30 30 227
Charge Controllers Maximum Power No required / blk Total for 6 blks No required for main blk
W 4590 2 12 46
No. needed /main No. needed /main for 3 days Total needed for main
Total Price (S$) 2,081,505.33 124,162.50 214,515.00 161,892.50 184,849.50 18,400.00 2,785,324.83
Output DC Voltage (V) 12 12 12 12 N/A N/A
Current Capacity (A) N/A 830 N/A 360 N/A N/A
Area Required 1659.15
Size of Array 1.26
No of array / Residential Blk 27
Usage Refrigerator Air-conditioner Solar lamps TV Launderette Swimming Pool Lounge Restaurant
Wattage (W) 1 35 15 68 240 350000 2268 7500
74 222 222
% Contribution 74.73 4.46 7.7 5.81 6.64 0.66
No of array (Main) 1157
Power 170
Assumed Usage (hr) 819.2 20 12 12 8 1 1 1
Consumption (Wh) 819.2 700 180 816 1920 350000 2268 7500
Qty 5 5 30 5 5 1 1 50
Total Consumption (kWh) 4.1 3.5 5.4 4.08 9.6 350 2.27 375
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