A house needs the following from a solar PV off-grid system. No. 3 Item TV CF Bulbs Water pump Fridge Ceiling Fans Watt 300 20 100 500 100 Hours of use / day 12 10 0.5 10 3 12 6 1 5 Assume that: • The available panels are of 175W / panel, Isc = 7 Amp, Voc = 30V • The available Batteries are of 12V/ 200AH and Efficiency is 9096 • The depth of discharge is 50% • The Sun-hour in the UAE is assumed 9.0 hours • The correction factor or safety factor is 1.25 • Days of autonomy is assumed to be 2. 1. The actual load is: Wh 2. The corrected load is: Wh 3. Number of solar PV panels is 4. Number of batteries required is V 5. PWM charge controller capacity is A?
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