1. Assume that on a sunny summer day, the solar panel delivers its rated (midday) current for the equivalent of 6 hours.
Posted: Wed Apr 27, 2022 6:05 pm
1. Assume that on a sunny summer day, the solar panel delivers
its rated (midday) current for the equivalent of 6 hours. If you
assume the 200 Ah deep cycle battery begins the day of solar
charging (0 hours) at 30% capacity (i.e. with 60 Ah of stored
charge), how many Amp-hours are stored in the battery at the end of
the first day of charging (i.e. after 6 hours)?
2. Overnight, the solar panel produces zero current, but its
shunt resistance remains connected. Calculate the stored charge in
the battery at the beginning of the next day of charging (i.e.
after 24 hours). Perform calculations and use circuit simulation
software (supported by screenshots) to verify your design.
3. The tower is struck by lightning only a week after everything
is finished. The wind generator, solar panel and battery are all
unaffected, but the radio repeater has failed and become an open
circuit. Calculate the night-time TheĢvenin equivalent circuit at
the point where the failed radio repeater connects. Note: you
should set the solar panel current to zero, but its shunt
resistance should remain connected.
0.21222 0.048 12 W 0.322 w 0.085.22 9A 316412 4.700 2.80 A 20.10V 14.20V(+ Battery Solar Radio Repeator Wind Generator Panel w ma 0.0488 0.27222 0.32.2
its rated (midday) current for the equivalent of 6 hours. If you
assume the 200 Ah deep cycle battery begins the day of solar
charging (0 hours) at 30% capacity (i.e. with 60 Ah of stored
charge), how many Amp-hours are stored in the battery at the end of
the first day of charging (i.e. after 6 hours)?
2. Overnight, the solar panel produces zero current, but its
shunt resistance remains connected. Calculate the stored charge in
the battery at the beginning of the next day of charging (i.e.
after 24 hours). Perform calculations and use circuit simulation
software (supported by screenshots) to verify your design.
3. The tower is struck by lightning only a week after everything
is finished. The wind generator, solar panel and battery are all
unaffected, but the radio repeater has failed and become an open
circuit. Calculate the night-time TheĢvenin equivalent circuit at
the point where the failed radio repeater connects. Note: you
should set the solar panel current to zero, but its shunt
resistance should remain connected.
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