A household uses 4050 kwh of electrical energy per year. They have fifteen 1.3 m2 solar pv panels, each with a peak power output of 170 w. 25% of the generated power is stored and used via a battery system that is 85% efficient, with the remainder used directly. The panels receive 1072 kwh/m2/year and are not shaded. The formula for power provided by the system is 0.8 * peak power installed * annual solar radiation/m2 * shading factor What percentage of household electricity used is provided by the solar system? a. 48% b. 55% c. 67% d. 52% e. 62%
A household uses 4050 kwh of electrical energy per year. They have fifteen 1.3 m2 solar pv panels, each with a peak power output of 170 w. 25% of the generated power is stored and used via a battery system that is 85% efficient, with the remainder used directly. The panels receive 1072 kwh/m2/year and are not shaded. The formula for power provided by the system is 0.8 * peak power installed * annual solar radiation/m2 * shading factor What percentage of household electricity used is provided by the solar system? a. 48% b. 55% c. 67% d. 52% e. 62%
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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A household uses 4050 kwh of electrical energy per year. They have fifteen 1.3 m2 solar pv panels, each with a peak power output of 170 w. 25% of the generated power is stored and used via a battery system that is 85% efficient, with the remainder used directly. The panels receive 1072 kwh/m2/year and are not shaded. The formula for power provided by the system is
0.8 * peak power installed * annual solar radiation/m2 * shading factor
What percentage of household electricity used is provided by the solar system?
| a. |
48% |
|
| b. |
55% |
|
| c. |
67% |
|
| d. |
52% |
|
| e. |
62% |
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