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You are to design a 24 volt, all dc stand-alone PV system to meet a 2.4 kWh/day demand for a small isolated cabin. Size the PV array to meet the load in a month with average insolation of 5 kWh/m²-day The maximum power point of the available PV module occurs at has VR= 18 V and Ir= 5 A. Assume a 0.8 derate factor for dirt, wiring and mismatch (20% loss). You are to use a 200 Ah, 12 V batteries with 100% coulomb efficiency. %3D A) How many modules are needed (you may round up or down)? Sketch your PV array. B) How many 200-Ah, 12-V, deep cycle batteries would be required to cover three days of no sun given the maximum depth of discharge is 75%? show how the batteries will wired up. Sketch your battery array. C) What will be the rating of a suitable charge controller to nearest multiple of 10 A.

You are to design a 24 volt, all dc stand-alone PV system to meet a 2.4 kWh/day demand for a small isolated cabin. Size the PV array to meet the load in a month with average insolation of 5 kWh/m²-day The maximum power point of the available PV module occurs at has VR= 18 V and Ir= 5 A. Assume a 0.8 derate factor for dirt, wiring and mismatch (20% loss). You are to use a 200 Ah, 12 V batteries with 100% coulomb efficiency. %3D A) How many modules are needed (you may round up or down)? Sketch your PV array. B) How many 200-Ah, 12-V, deep cycle batteries would be required to cover three days of no sun given the maximum depth of discharge is 75%? show how the batteries will wired up. Sketch your battery array. C) What will be the rating of a suitable charge controller to nearest multiple of 10 A.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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You are to design a 24 volt, all dc stand-alone PV system to meet a 2.4 kWh/day demand for a small isolated cabin. Size the PV array to meet the load in a month with average insolation of 5 kWh/m²-day. The maximum power point of the available PV module occurs at has VR = 18 V and IR= 5 A. Assume a 0.8 derate factor for dirt, wiring and mismatch (20% loss). You are to use a 200 Ah, 12 V batteries with 100% coulomb efficiency. A) How many modules are needed (you may round up or down)? Sketch your PV array. B) How many 200-Ah, 12-V, deep cycle batteries would be required to cover three days of no sun given the maximum depth of discharge is 75%? show how the batteries will wired up. Sketch your battery array. C) What will be the rating of a suitable charge controller to nearest multiple of 10 A.
Transcribed Image Text:You are to design a 24 volt, all dc stand-alone PV system to meet a 2.4 kWh/day demand for a small isolated cabin. Size the PV array to meet the load in a month with average insolation of 5 kWh/m²-day. The maximum power point of the available PV module occurs at has VR = 18 V and IR= 5 A. Assume a 0.8 derate factor for dirt, wiring and mismatch (20% loss). You are to use a 200 Ah, 12 V batteries with 100% coulomb efficiency. A) How many modules are needed (you may round up or down)? Sketch your PV array. B) How many 200-Ah, 12-V, deep cycle batteries would be required to cover three days of no sun given the maximum depth of discharge is 75%? show how the batteries will wired up. Sketch your battery array. C) What will be the rating of a suitable charge controller to nearest multiple of 10 A.
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