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voen7509
timer Asked: Apr 1st, 2022

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TAKE HOME EXAM MARCH 2022 According to the Attachment below, which is part of car parking No. 10 at University, find the Following: 1. Draw the number of PV modules required for the Parking if the PV (Panel) is (1 meter x2 meters ) according to the technical specifications attached for (voltage and current) which cover 96 cars. 2. Calculate the Solar System single line Diagram (Arrays and Strings), and (AC, DC) Combiners with the necessary Breakers where the maximum voltage must not exceed 1000 volts. As following table 1 3. Find the number of units of Inverters according to the specifications attached. As following table 1 , 2 4. Calculate As the following tables 1, 2 • the Total Dc power • the Total AC power • Kwh/year • and the Saving if each Kwh cost 0.3 SAR 1-Technical Calculation COMPANY DC Kwp PANEL TYPE Canadian Solar CANADIAN TOTAL m2 Num W DIMENSION 435 2108/1048m EFFICIENCY INVERTER Vmp Imp TYPE 40.5 v 10.75 A CANADIAN V= A= Numbers: AC KW WARRANTY 2-PRODUCTION AND PERFORMANCE Calculation COMPANY DC Kwp Canadian Solar Performance NUMBER OF SYSTEM Arrays Strings DC Combiner Ac Combiner Kwh/year AC Kwp Saving SAR/y 0.3/kwh SOLAR PV PARKING BOY’S BUSINESS SCHOOL AREA SOLAR PV PARKING BOY’S BUSINESS SCHOOL AREA SOLAR PV PARKING BOY’S BUSINESS SCHOOL AREA PV Panel ELECTRICAL DATA STC Module 435MS Max Power 435W Operating Voltage (Vmpp) 40.5 V Operating Current (Impp) 10.75 A Voc 48.5 V Isc 11.42 A Efficiency 19.7% Max System V 1000 V Max Series Fuse Rating 20 A Temperature CoefficientType equation here. (Pmax) -0.34% ℃ INVERTER DC INPUT Module CSI-17K Max DC Power 20.4 KW Max DC Input Voltage 1000 V MPP 2 Max Input Current Imp 22 A Max Isc 34.3 A AC OUTPUT max Efficiency 98.7% AC Max Power 18.7 KW Rated Output Voltage 230/400 Vac Protection Degree IP65
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