1 2 presented to: mr. saeed ur rehman mr. saeed ur rehman presented by: muhammad asif (bte01093002)...
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Presented To: Mr. Saeed Ur RehmanMr. Saeed Ur Rehman
Presented By: Muhammad Asif (BTE01093002) Zafar Iqbal (BTE01093056) Muhammad Azeem (BTE01093006)
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Solar Energy: It is FeasibleSolar Energy: It is FeasibleIn Greenhouse OperationsIn Greenhouse Operations
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A patch of 100 square miles of open space covered with efficient solar panels such as in Nevada, where sun rays are powerful, could generate all the electrical power needs of the United States.
National Renewable Energy Laboratory
FACT!FACT!
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Direct heating of flat panel (fluids, Direct heating of flat panel (fluids, space heating)space heating)
Thermal power generation (heat Thermal power generation (heat engine) via concentration of sunlightengine) via concentration of sunlight
Direct conversion to electrical Direct conversion to electrical energyenergy
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The National Park ServiceThe National Park Service The Department of TransportationThe Department of Transportation State GovernmentsState Governments Primary and Secondary School Primary and Secondary School
SystemsSystems Most UniversitiesMost Universities Large CorporationsLarge Corporations California / Arizona / Nevada California / Arizona / Nevada
HomeownersHomeowners61
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Solar Technology Fits!Solar Technology Fits!
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Solar Farms?Solar Farms?
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Source: Karl W. Boer 91
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Ampere = The number of electrons flowing past a point at any given time.
Volts = The pressure the electrons are under.
Watts = The total force the electron flow exerts.
Ohms = The resistance the hose exerts on the flow of the water.
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Series: Volts increase, Amp-hours remain the same
Parallel: Parallel: Volts remain the same and theAmp-hours increase!
This allows you to configure how many volts, at how many amp-hours your need
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BP 4175 – Silicon-nitride mono
Rated Power (Pmax): 175 watts Power tolerance: ± 5% Nominal voltage: 24 volts Limited Warranty: 25 years
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Battery Storage
Needs to be isolated
Requires maintenance
Must be vented!
Needs to be planned for peak demands
Safety equipment required!
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Basic Solar (PV) System
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Basic Greenhouse System
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Solar energy may be useful as primary electricity source if energy efficient, direct-current equipment is used in the greenhouse facility, or if battery efficiency improves.
Solar energy is already a useful backup or emergency energy source for key systems such as pumps, lights, vents and fans.
As cost decreases and solar panel efficiency increases, the use of a combined solar electricity and thermal water solar systems to heat greenhouses may be the best way to go. Hot water is the most efficient transfer method!
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