Fuel Cell Post-Lab

Fuel Cell Post-Lab - Sutherland 1 October 23, 2006 Fuel...

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Sutherland 1 October 23, 2006 Fuel Cell Lab Sutherland, James Christopher 1. 2. Given: Find: Watts for each level of resistance and generate the PEMFC power curve. Relationships: Power = Voltage * Current Solutions: Open Ω Power = 0.80 V * 0 A = 0 Watts 200 Ω Power = 0.74 V * 0.003 A = 0.0022 Watts 100 Ω Power = 0.71 V * 0.006 A = 0.0043 Watts 50 Ω Power = 0.68 V * 0.013 A = 0.0088 Watts 10 Ω Power = 0.59 V * 0.057 A = 0.0336 Watts 5 Ω Power = 0.54 V * 0.101 A = 0.0545 Watts 3 Ω Power = 0.49 V * 0.158 A = 0.0774 Watts 1 Ω Power = 0.40 V * 0.309 A = 0.1236 Watts Motor Ω Power = 0.71 V * 0.013 A = 0.0092 Watts
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Sutherland 2 3. Based on my calculations and data, high-current applications yielded more power, but the low-current was also accompanied by low resistance. 4. Using the data collected in the experiment and MATLAB graph of Current vs. Voltage, the Motor Ω resistance setting appears to be 100 Ω of resistance. Using Ohm’s Law (V = I R) however calculates the resistance to be:
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This note was uploaded on 09/19/2011 for the course ENGE 1114 taught by Professor Twknott during the Fall '06 term at Virginia Tech.

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Fuel Cell Post-Lab - Sutherland 1 October 23, 2006 Fuel...

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