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Solar Energy

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Consider a PV module with the following parameters as measured at STC (Standard Testing Conditions):

Voc = 55 V;

Isc = 5 A;

Impp = 4.7 A;

Fill Factor = FF = 75% ;

Efficiency = 19.75%.

Suppose that under normal operation at STC conditions, the module is not connected to an MPPT device, and is instead directly connected to a purely resistive, variable load 'R'. The load R can be tuned to give a resistance between 0 to 1kΩ.

What value of resistance will you keep the load at, if you wish to derive maximum power from the PV module under STC conditions?

1)R = 9.34Ω.
2)R = 11Ω.
3)R = 11.71Ω.
4)R = 5Ω.
5)Irrespective of the value R takes, the module can never be made to deliver maximum power under STC.

  • Solar Energy - ,

    2 and 4 are not right answers :(

  • Solar Energy - ,

    pardon, its 3 and 4 that are incorrect.

  • Solar Energy - ,

    Please Rata can you correct the answer?

  • Solar Energy - ,

    3)11.71¥Ø

  • Solar Energy - ,

    Are you sure oniX?
    Ratan said 3 is wrong.

  • Solar Energy - ,

    it is wrong! I'm sure!

  • Solar Energy - ,

    2, 3 and 4 are wrong... answer is 1st or the last option. try your luck.

  • Solar Energy - ,

    5th is also wrong

  • Solar Energy - ,

    1) R=9.34 is right answer...

  • Solar Energy - ,

    R=9.34

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