Consider the PV panel to the right. All the 36 cells are identical and are conne

Question

Consider the PV panel to the right. All the 36 cells are identical and are connected in series as shown. Under 1 sun, the open circuit voltage and short circuit current of each cell are respectively equal to 0.5 V and 3 A. suppose that l-V curve is approximated by a rectangle (i.e., fill-factor = 1). A 5 Ohm resistor is connected to the panel. Plot the l-V curve of the panel. Find Pmax: W Find the power delivered to the 5 Ohm resistor: W The shadow of a nearby structure partially covers 2 cells as shown (assume that one is under 1/3 sun, and the other is under 2/3 sun). Assume the panel contains no bypass diodes. Repeat 1)above

Explanation / Answer

1)   a)   Pmax =   36 * ( 3 * 0.5)

                        =   54 W

      b)   power delivered to 5 ohm resistor =   (36 * 3)2 * 5

                                                                   = 58320 W

2)    a)   Pmax =   34 * ( 3 * 0.5) + ( 3 * 0.5)/3   + 2*( 3 * 0.5)/3

                        =   52.5 W

      b)   power delivered to 5 ohm resistor =   (105)2 * 5

                                                                   = 55125 W

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