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ID:7901831
大小:1.87 MB
页数:4页
时间:2018-03-02
《build your own solarpowered water pumping stattion外语英文电子书》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、January/February2005BackwoodsHomeMagazineBuildyourownsolar-poweredwaterpumpingstationByJeffreyR.Yago,P.E.,CEMnthelastissue,therewasanexcellentarticlebyDorothyIAinsworthonwaterpumpingusingmechanicalwindmills.InthisissueIwilladdressanotherformof“free”waterpu
2、mping.Therearemanyremoteapplicationswhereasolar-poweredwaterpumpismorecosteffectivethaninstallingacon-ventionalgrid-connectedACpump.Irecentlydesignedasolar-poweredpumpingsystemforalocalfarmerwantingtopumpwaterfromalakeuptoawateringtroughforcattleinadistant
3、fencedfield.Wehavealsodesignedlargersystemstopumpdirectlyfromdrilledwellsuptoele-vatedstoragetanks,whichprovidegravity-fedwaterbackdowntoLocalresidentsenjoyingthe“solarwatersupply”remoteranchbuildings.attheopentopdrinkingtank.Basicsystemdescriptionofelectr
4、icalpower.Unfortunately,westorientationduringinitialsetupthisalsousuallymeansaverylowtoachievethebestoverallyear-roundThesesolarapplicationsmadeeco-flowrate,sohavingastoragetankorperformance.Formostapplicationsnomicsensebecausethelocationwasopentroughisess
5、ential.thetiltwillbeequaltoyourlatitude.tooremotetorunalongpowerline.AlthoughtheflowratecanbelessAsolar-poweredwatersystemisonethanonegallonperminute(GPM)forPumpcontrolleroftheeasiestsolarpowersystemstothesmallerpumpsizes,thissmallYoursolarpoweredpumpingsy
6、s-install,sinceyouwillnotneedabat-flowwillbefairlyconstantthrough-temshouldincludeapumpcontrollerteryorbatterychargingequipment.outthesolarday(9AMto3PMforsuchastheoneinthephotoonpageWhenthesunisshining,thesystemmostlocations).Thislowflowrate37.Althoughitis
7、possibletoconnectispumping,whenthesunisnotshin-canstillprovideover350gallonsofthepumpleadsdirectlytotheoutputing,thesystemisoff—simple.waterperdayfromallbutthedeepestterminalsofthesolarmodule,acon-Byaddingastoragetankandwellapplications.trollerprovidesmuch
8、betterpumpincreasingthesizeofthepumpingAsolarmodulecanbemountedperformanceandstart/stopcontrol.Itsystem,excesspumpedwatercanbealmostanywhere,butshouldfaceinawillalsoavoidtryingtooperatethestored,whichcanconti
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