Q3) a) You have been employed by a renewable energy systems installation company called Green Horizons. Your first job i

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Q3) a) You have been employed by a renewable energy systems
installation company called Green Horizons. Your first job is to
design a maximum power point control system for a solar PV array.
You have been provided with the current-voltage characteristic
curve for the solar panels. Explain the process you would use to
ensure that the array delivers maximum power. Use a diagram to aid
your answer. [10 Marks]
b) As part of the same solar PV installation in Q3(a), you have
also been asked to determine the photoconversion efficiency of the
array. Describe how you would do this, given the current-voltage
characteristic curve. What other factors would need to be taken
into account in order to determine the efficiency, and how will
those factors affect it? You may use diagrams to aid your answer.
[5 Marks