Allied & ICAR Exam Bank • ALLIED_2969 NAT • 2 Marks

Section 3: Farm Power

Sources of Power

Subtopic: Sources of power on the farm – human, animal, mechanical, electrical, wind, solar and biomass

Question Statement:

A solar photovoltaic water pumping system operates with solar array peak capacity $P_{pv} = 3000\text{ W}$. If solar insolation is $1000\text{ W/m}^2$ and PV module efficiency is $15\%$ ($0.15$), the required PV array surface area in $\text{m}^2$ is:

Answer Key:

20

Step-by-Step Solution & Explanation

Area $A = \frac{P_{pv}}{I \times \eta} = \frac{3000}{1000 \times 0.15} = \frac{3000}{150} = 20\text{ m}^2$.
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