A farmer wants to install a solar energy system for pumping water through a standalone PV system situated in his farm land. His irrigation time is usually when the zenith angle is at15o. The transmittances of all gases is 71% and the water vapor absorption is 4% and the transmission of aerosol is 92%. a) Compute the power density then find the solar efficiency at that time. b) The farmer power requirement is 3.2 KW. The effective available area for the PV modules is 20 m2. What is minimum level of PV panel efficiency he is supposed to shoot for at the conditions of question a)? c) The proposed Panel has ( Vmax= 36 V and Imax = 5.55 A), while the 3.2 KW water pump DC motor require at least 280 V DC to run , What is your PV system modules configuration for this case ?
A farmer wants to install a solar energy system for pumping water through a standalone PV system situated in his farm land. His irrigation time is usually when the zenith angle is at15o. The transmittances of all gases is 71% and the water vapor absorption is 4% and the transmission of aerosol is 92%. a) Compute the power density then find the solar efficiency at that time. b) The farmer power requirement is 3.2 KW. The effective available area for the PV modules is 20 m2. What is minimum level of PV panel efficiency he is supposed to shoot for at the conditions of question a)? c) The proposed Panel has ( Vmax= 36 V and Imax = 5.55 A), while the 3.2 KW water pump DC motor require at least 280 V DC to run , What is your PV system modules configuration for this case ?
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Transcribed Image Text:A farmer wants to install a solar energy
system for pumping water through a
standalone PV system situated in his farm
land. His irrigation time is usually when the
zenith angle is at15o. The transmittances of all
gases is 71% and the water vapor absorption
is 4% and the transmission of aerosol is 92%.
a) Compute the power density then find the
solar efficiency at that time.
b) The farmer power requirement is 3.2 KW.
The effective available area for the PV
modules is 20 m2. What is minimum level of
PV panel efficiency he is supposed to shoot
for at the conditions of question a)?
c) The proposed Panel has ( Vmax= 36 V and
Imax = 5.55 A), while the 3.2 KW water pump
DC motor require at least 280 V DC to run,
What is your PV system modules
configuration for this case ?
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