Posted by Anonymous on Thursday, November 14, 2013 at 6:19am.
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 - Ratan, Tuesday, November 19, 2013 at 5:09am
2 and 4 are not right answers :(
- Solar Energy - Ratan, Tuesday, November 19, 2013 at 5:10am
pardon, its 3 and 4 that are incorrect.
- Solar Energy - UNO, Friday, November 22, 2013 at 12:35am
Please Rata can you correct the answer?
- Solar Energy - oniX, Wednesday, November 27, 2013 at 4:31am
- Solar Energy - Gwava, Thursday, November 28, 2013 at 4:21am
Are you sure oniX?
Ratan said 3 is wrong.
- Solar Energy - Anon, Thursday, November 28, 2013 at 4:02pm
it is wrong! I'm sure!
- Solar Energy - Ratan, Saturday, November 30, 2013 at 5:09pm
2, 3 and 4 are wrong... answer is 1st or the last option. try your luck.
- Solar Energy - Anonymous, Friday, November 21, 2014 at 2:11pm
5th is also wrong
- Solar Energy - Sagar, Sunday, November 30, 2014 at 4:23am
1) R=9.34 is right answer...
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