Lead acid battery specifications Dimensions (mm) Model Ah Capacity at (100 hr.rate) Voltage Weight (kg) LxWxH 12RP340 340 12 485x168x570 84 6RP570 570 404x168x570 67 12RP570 570 12 501x297x570 134 6RP670 67 6 404x168x570 80 12RP670 670 12 501x297x570 160 6RP750 750 6 485x168x570 92 12RP830 830 12 501x233x570 210 6RP910 910 6 501x233x570 119 24RP910 910 24 817x185x570 470 6RP1080 1080 6 501x233x570 143 SRP1080 1080 8 639x233x570 190 + Q1 System Requirement a) Using the table above, calculate the total power requirement (Wh) per day. b) Assuming that peak load occurs when the refrigerator, the heater/air con and the TV work simultaneously, calculate the peak load. c) Calculate the voltage of your battery bank. d) Calculate the amp-hour requirement per day. e) The system is required to work even if there are 3 consecutive cloudy days and the batteries must not run down more than 50%. Calculate the Ah you need to store. f) Adjust this figure for an inverter efficiency of 93%. g) Using the lead-acid batteries listed above, design a battery bank: Battery Model? i. ii. Number of batteries in series? iii. Number in batteries parallel. (14 marks) Appliance Watts Quantity Total Watts Hours/day Watts/hrs/Day 40W Bulb 40 10 4 100W Bulb 100 2 3 TV 75 2 3 Heater/air con 2000 2 3 Music system 200 1 2 Refrigerator 325 1 6 Freezer 325 1 6 Oven 1200 1 1 Coffee Maker 1000 1 0.5 Total