TEAM AMERICA BIPV System
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Transcript of TEAM AMERICA BIPV System
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Jason HegedusGreg MikusJosh MillerEvan Schwartz12/10/2008
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Problem Statement
Conceptualization: assessment of customer needs and the resulting weight of importance
Preliminary Design: brainstorming, sketches, re-design concepts
Detailed Design: CAD drawings, detailed sketches and dimensions
Production: bill of materials, engineering analysis
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BIPV is the future of solar electricity and buildings. Rather than having separate elements for electricity production and building envelope (the roof, walls, windows, and doors), BIPV reduces cost and improves designer creativity by combining functions. Although the Solar D building envelope is still being conceived, this project can provide strategic information and support for the architectural design team. Emphasis in this project is on a thorough review of the literature and characterization of the kinds of BIPV systems that have already been developed, followed by the creation of new combinations or radically new ideas. Physical models, CAD drawings, wiring details, and performance analysis are all important aspects of this project.
(from SEDTAPP website)
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An effective BIPV system combines functional aspects of architecture with energy collection. BIPV systems primarily rely on the solar power. To accurately design a BIPV system, our team must use CAD to draft a model of the house, and create in it a BIPV system. The focuses of our project are to create a design that is aesthetically pleasing. The second need is to make a final product which is efficient in collecting light from the sun, which will reduce (if not eliminate) the use of external electricity. The third and final aspect of the customer needs is to make the design cost efficient and easy to produce.
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Aesthetically pleasingEfficientCreativeInnovativeProperty AlignedCost-efficientEasy to produceSuitable for existing “Solar D” house
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•Solar panels Roof Siding Overhangs/Awnings Shutters Lawn Gnomes
•Solar capacitors Basement
•Solar water heaters Along siding Along gutters
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An awning over the porch be built• Optimization of solar collection• The inclination of the house does not
accommodate the direction of the sun during its most brilliant stages
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The gutter system contains panels which collect sun and transport water.• Convenient and necessary
location• Dual-purposed• Makes direct contact with
the sun over a large surface area during its most brilliant stages
• Connected to the house, so wiring can be easily managed.
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Solar lawn gnomes (and other lawn accessories)• Can be placed in
open space and re-routed to areas outside the house
• Could be self powered (i.e. lamp post)
• Very radical
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FUNCTION ART
Shingle Panels Bracket Rectangular frame elements
Rail/Tracks
Systems 5497587
Solar Cell 4040867 4336413
Mounting 6959517
Framing System 7012188
Module Positioning 7260918
Function
Shingle Panels Bracket Rectangular Frame Elements
Rail/Tracks
Systems 5497587
Solar Cells 4040867
4336413
Mounting 6959517
Framing System 7012188
Module Positioning
7260918
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Cost Aesthetics Efficiency Lifespan Total WeightCost 1 3 1/4 1 5.25 .198Aesthetics 1/3 1 1/6 ¼ 1.75 .066Efficiency 4 6 1 2 13 .491Lifespan 1 4 1/2 1 6.5 .245
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Cost Aesthetics Efficiency Lifespan Value RankWeights .198 .066 .491 .245Awning B A S E 0 2Pillars -1 0 0 1 0.047 1Gutter -1 -1 -1 -1 -1.000 5Walkway -1 1 0 0 -0.132 3Lawn Gnome 0 1 -1 0 -0.425 4
Cost Aesthetics Efficiency Lifespan Value RankWeights .198 .066 .491 .245Awning 1 0 1 1 0.934 1Pillars 0 0 0 1 0.245 3Gutter -1 -1 0 -1 -0.509 5Walkway B A S E 0 4Lawn Gnome 0 1 0 1 0.311 2
Cost Aesthetics Efficiency Lifespan Value RankWeights .198 .066 .491 .245Awning 1 0 1 1 0.934 1Pillars 1 0 0 1 0.443 2Gutter 0 -1 -1 -1 -0.802 5Walkway 0 0 0 -1 -0.245 4Lawn Gnome B A S E 0 3
Cost Aesthetics Efficiency Lifespan Value RankWeights .198 .066 .491 .245Awning 1 0 1 0 0.689 1Pillars B A S E 0 3Gutter -1 0 0 -1 -0.443 5Walkway 0 1 0 0 0.066 2Lawn Gnome -1 1 0 -1 -0.179 4
Cost Aesthetics Efficiency Lifespan Value RankWeights .198 .066 .491 .245Awning 1 1 1 1 1.000 1Pillars 1 1 0 1 0.509 2Gutter B A S E 0 5Walkway 0 0 1 0 0.491 3Lawn Gnome 1 1 0 0 0.264 4
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Back-Contact Silicon PV Panels• All electrical components on back of cell –
leaves more exposure to the sun
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Microinverters• All BIPV panels produce DC current – we
need AC• A more compact, cost effective, and
inexpensive way to produce AC
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Light-Concentrating PV Panels• Uses lens technology to concentrate
sunlight onto panels• Increases power output to the equivalent of
326 suns
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Thin Film Panels• Silicon is expensive• Other materials are also expensive, but
require much less material and are thus less costly.
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Solar Thermal Storage• AKA “Solar Capacitors”• Instead of selling electricity when you no
longer need it anymore, you can store it• Still early on in research
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Item Cost
2.28 kW Solar System $14,257.57
Lawn Gnomes 4 x $15 = $60Awning material and Assembly
$3,000 est
Total (including tax rebates)
$10,160 to $13,040
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Our decision is to go with a complete system from Alter Systems.
The cost of an entire system is currently $14,257.57.
The final cost will range from $7,100 to $9,980 including tax credits and incentives.
http://www.altersystems.com/catalog/228-kw-gridtied-solar-system-with-evergreen-190-watt-solar-panels-and-fronius-ig-2000-p-1702.html
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We as the united team of America feel that we have successfully designed a BIPV System which effectively accomplished our main goals:
• Aesthetically appealing• Reduced external electricity• Cost effective• Easy to produce
We were able to incorporate our ideas and concepts into an appealing, multi-functional, green house.