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− | + | {{Cleanup-rewrite}} {{Expand article|date=February 2013}} | |
− | + | Energy can be saved through sharing appliances (for instance by using a beamer to watch film and television). Energy plays an important part in automation. | |
− | == | + | == Energy generation == |
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− | === | + | === Centralized === |
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− | === | + | ==== Solar updraft tower <ref>http://en.wikipedia.org/wiki/Solar_updraft_tower</ref> ==== |
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− | + | + Low maintenance cost. | |
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− | === | + | + Uses greenhouses that can be used for agriculture. |
− | + | ||
+ | -Takes in a relatively large amount of space. | ||
+ | |||
+ | -Solar has a variable output. | ||
+ | |||
+ | ==== Solar power tower ==== | ||
+ | |||
+ | +Desalinizes water. | ||
+ | |||
+ | +Contains a furnace (that can be used for melting iron for instance). | ||
+ | |||
+ | -Solar has a variable output. | ||
+ | |||
+ | == Energy use == | ||
+ | |||
+ | *Beamer | ||
+ | 100-300 Watts. Can provide for +- 100 people. Per person: 2 Watt.<ref> http://www.energieverbruikers.nl/categorie/28/Beeld+en+geluid/Beamers </ref> | ||
+ | |||
+ | *Small led television | ||
+ | 57 Watt. Per person: 14-57 Watt.<ref> http://www.consumentenbond.nl/test/elektronica-communicatie/tv-en-video/televisies/extra/energieverbruik-tv/ </ref> | ||
+ | |||
+ | *Xbox | ||
+ | 185 Watts <ref> http://tweakers.net/nieuws/46446/energieverbruik-xbox-360-ps3-wii-vergeleken.html </ref> | ||
+ | |||
+ | *Wii | ||
+ | 18 Watts<ref> http://tweakers.net/nieuws/46446/energieverbruik-xbox-360-ps3-wii-vergeleken.html </ref> | ||
+ | |||
+ | *Desktop (with peripherals): | ||
+ | 60-250 Watts<ref>http://michaelbluejay.com/electricity/computers.html </ref> | ||
+ | |||
+ | *Laptop: | ||
+ | 40 Watts<ref>http://michaelbluejay.com/electricity/computers.html </ref> | ||
+ | |||
+ | *Netbook: | ||
+ | 16 Watts<ref>http://michaelbluejay.com/electricity/computers.html </ref> | ||
+ | |||
+ | *Tablet (Ipad2) | ||
+ | 1-3 Watts <ref>http://armdevices.net/wp-content/uploads/2012/04/nextgen_pixelqi_display.jpg </ref> | ||
+ | |||
+ | *Iphone | ||
+ | Less than tablet<ref> http://cdn.macrumors.com/article-new/2012/09/iphone_5_energy_use_compared.jpg</ref> | ||
+ | |||
+ | *Amplifier | ||
+ | 40 Watts and up <ref>http://www.energieverbruikers.nl/categorie/195/2/Versterkers</ref> | ||
+ | |||
+ | *DVD player | ||
+ | 10 Watts and up | ||
+ | |||
+ | |||
+ | *Nanolight (100W equivalent, 30,000 hours) | ||
+ | 12 Watts <ref> http://www.thenanolight.com/index.php?option=com_content&view=article&id=38&Itemid=207 </ref> | ||
+ | |||
+ | *Led lamp (50-60W equivalent, 50,000 hours) | ||
+ | 6 Watts <ref> http://www.ledlampendirect.nl/led-e27-lamp-230-volt-6-watt-vervangt-50-60-watt-gloeilamp.html </ref> | ||
+ | |||
+ | |||
+ | *Washing machine | ||
+ | 0,81kwh/wash | ||
+ | average 9 year | ||
+ | average 500 EUR<ref>https://forum.www.trosradar.nl/viewtopic.php?f=51&t=125783 </ref> | ||
+ | (If 10 people share one machine: 36 years = 200 EUR per person) | ||
+ | |||
+ | *Dishwasher | ||
+ | 175 Kwh <ref>http://www.nuon.nl/energie-besparen/artikelen-apparaten/verbruik-vaatwasser.jsp</ref> | ||
+ | |||
+ | *Refrigerator | ||
+ | >12 Watt | ||
+ | <ref>http://www.bestekeus.nl/product_info.php?pId=104095&ref=tt</ref> | ||
+ | (374 L, no freezer, 700 EUR) | ||
+ | |||
+ | 12 V refrigerator | ||
+ | 4,7 Watt 50L (700 USD)<ref>http://www.sunshineworks.com/sundanzer-dc-refrigerator-50l.htm</ref> | ||
+ | |||
+ | == Monetary cost == | ||
+ | |||
+ | === Solar updraft tower === | ||
+ | |||
+ | 5 USD per Watt, so 1 MW tower = 5 million USD <ref>http://climatetechwiki.org/technology/solar_towers</ref> (Schlaig 2005) | ||
+ | |||
+ | This report from Schlaig (1995) suggests a 1 MW tower would cost no less than 20 million USD.<ref>http://educypedia.karadimov.info/library/Solar%20Updraft%20Towers.pdf</ref> The data is older, but it does account for rising cost when plant is smaller. | ||
+ | |||
+ | Collector diameter +- 750 meter = 400,000 m2 = 100 acre (60 soccer pitches)<ref>http://educypedia.karadimov.info/library/Solar%20Updraft%20Towers.pdf</ref> | ||
+ | |||
+ | Land price US +- 1,000 - 10,000 USD per acre | ||
+ | |||
+ | Argentina < 8,000 USD per acre <ref> http://www.laht.com/article.asp?CategoryId=14093&ArticleId=363225 </ref> | ||
+ | |||
+ | 100,000 - 1,000,000 for land | ||
+ | |||
+ | Cost of maintenance 40 years: +- 1,000,000 USD <ref> http://www.architecture.mit.edu/sites/all/files/attachments/lecture/SolarUpdraftTower_Project.pdf </ref> | ||
+ | |||
+ | |||
+ | ---- | ||
+ | |||
+ | 100 W capacity per settler when the sun is shining. This means using anything other than a tablet / smartphone is advised against. | ||
+ | Watching television by yourself or with a handful of people should also not be a habit. | ||
+ | |||
+ | A 1 MW solar plant will produce +- 0.25 MW average over a 24 hour day.<ref>http://en.wikipedia.org/wiki/PS10_solar_power_plant</ref> | ||
== References == | == References == | ||
{{Reflist}} | {{Reflist}} |