Thaum peb tham txog lub nroog thaum hmo ntuj, teeb pom kev ntawm txoj kev yog ib feem tseem ceeb. Nyob rau xyoo tas los no, lub tswv yim ntawm kev tiv thaiv ib puag ncig ntsuab tau nrov zuj zus ntawm cov pej xeem, thiab cov teeb pom kev ntawm txoj kev siv lub hnub ci tau nyiam ntau qhov kev mloog. Yuav kom ntseeg tau tias cov teeb pom kev no tuaj yeem ci txoj kev thaum hmo ntuj, peb yuav tsum xav txog ntau yam tseem ceeb xws li lub zog ntawm cov teeb pom kev ntawm txoj kev, lub zog ntawm lub vaj huam sib luag photovoltaic, lub peev xwm ntawm lub roj teeb thiab kev ruaj khov ntawm tus maub los. Kev tsim thiab kev teeb tsa ntawm lub teeb pom kev ntawm txoj kev hnub ci yog cov yam tseem ceeb. Nws muaj feem cuam tshuam nrog seb txoj kev puas tuaj yeem ci tau zoo thiab mus tas li.
Vim li cas peb yuav tsum tau them sai sai rau cov kev teeb pom kev zoo ntawm txoj kev hnub ci
Cov vaj huam sib luag hnub ci muaj feem cuam tshuam nrog lub peev xwm sau hluav taws xob, uas yog, nws siv sijhawm ntev npaum li cas los them lub roj teeb nrog lub hnub ci zoo. Lub peev xwm ntawm lub roj teeb LiFePO4 yuav tsum muaj feem cuam tshuam nrog seb lub teeb txoj kev puas tuaj yeem tsav tsheb tas li thaum hmo ntuj. Cov kev teeb tsa thiab cov khoom ntawm lub hnub ci txoj kev teeb pom kev zoo, yog tias teeb tsa tsis tsim nyog, yuav cuam tshuam rau kev ua haujlwm ib txwm ntawm lub hnub ci txoj kev teeb pom kev zoo. Piv txwv li, Yog tias lub vaj huam sib luag hnub ci & lub peev xwm ntawm lub roj teeb me dhau, cov teeb txoj kev yuav tsis tuaj yeem ua tau raws li qhov xav tau hluav taws xob thaum hmo ntuj, thiab lwm yam. Ntawm qhov tsis sib xws, kev nkag siab tob txog cov kev teeb tsa no tuaj yeem pab tsim cov teeb pom kev zoo, muaj txiaj ntsig thiab ruaj khov uas muab kev teeb pom kev zoo hauv nroog txhim khu kev qha.
Xam tag nrho cov watt-teev ib hnub rau lub teeb ntawm txoj kev
Tag nrho cov watt-teev yog lub zog hluav taws xob uas lub hnub ci teeb pom kev siv txhua hnub, uas cuam tshuam ncaj qha rau lub peev xwm ntawm lub roj teeb thiab kev xaiv lub zog ntawm lub vaj huam sib luag hnub ci. Txhawm rau xam lub zog siv txhua hnub (tag nrho watt-teev) ntawm lub teeb txoj kev, koj yuav tsum paub ob qho tseem ceeb: wattage ntawm lub teeb thaum lub sijhawm sib txawv thiab tus lej ntawm cov sijhawm ua haujlwm thaum txhua lub sijhawm. Cov mis rau kev xam tag nrho watt-teev hauv ib hnub yog raws li nram no: Tag nrho watt-teev hauv ib hnub = Kev siv hluav taws xob 1 (W) × Tus lej ntawm cov sijhawm ua haujlwm hauv lub sijhawm sib txawv. Piv txwv li, xav tias lub teeb txoj kev nrog wattage ntawm 100W lub teeb txoj kev ua haujlwm 12 teev hauv ib hnub, nrog rau 5 teev thawj zaug ua haujlwm ntawm 100% lub zog thiab 7 teev kawg ua haujlwm ntawm 50% lub zog, tom qab ntawd tag nrho watt-teev txhua hnub raug suav raws li nram no: Tag nrho watt teev txhua hnub = 100W × 5 teev + 50W × 7 teev = 850 watt teev (Wh). Cov txiaj ntsig ntawm kev xam suav tuaj yeem siv rau hauv cov ntu hauv qab no los txiav txim siab lub peev xwm ntawm lub roj teeb thiab lub zog ntawm lub hnub ci vaj huam sib luag uas xav tau rau lub teeb ci txoj kev hnub ci.
Lub roj teeb ntawm lub hnub ci txoj kev teeb pom kev zoo - muaj peev xwm
Cov roj teeb uas pom zoo kom siv rau hauv cov tshuab photovoltaic hnub ci yog cov roj teeb voj voog tob. Cov roj teeb voj voog tob yog tsim los rau kev them sai tom qab raug tso tawm mus rau qib qis zog lossis rau kev them thiab tso tawm tas mus li ntau xyoo. Lub roj teeb yuav tsum loj txaus kom khaws lub zog txaus los khiav lub teeb LED txoj kev thaum hmo ntuj thiab thaum hnub huab. Cov tshuab teeb pom kev zoo hnub ci feem ntau siv cov roj teeb lithium (LiFePO4). Nws muaj lub neej ntev, kev nyab xeeb zoo, thiab siab.
Xam tag nrho cov watt teev uas lub teeb siv ib hnub. Xam qhov ua tau zoo ntawm kev hloov pauv ntawm lub cev li 95% Xam qhov tob ntawm kev tso tawm ntawm lub roj teeb. cov roj teeb lithium raug suav ua 95% Xam tus naj npawb ntawm cov hnub ua haujlwm ywj pheej (uas yog, tus naj npawb ntawm cov hnub uas lub cev xav tau los ua haujlwm yam tsis muaj cov vaj huam sib luag photovoltaic los tsim hluav taws xob) Lub peev xwm ntawm lub roj teeb xav tau (Wh) = Tag Nrho Watt-teev (ib hnub) x Hnub ntawm kev ywj pheej / 0.95 / Qhov tob ntawm kev tso tawm ntawm lub roj teeb voj voog tob
E-LITE cov ntaub ntawv kawm txog lub hnub ci txoj kev teeb pom kev zoo
Tam sim no, peb tus neeg siv khoom tab tom ua haujlwm rau lub teeb pom kev hnub ci. Tus neeg siv khoom xav tau siv lub teeb pom kev hnub ci 115W, uas tsis xav tau cov sensors thiab siv PWM dimming, tab sis yuav tsum teeb tsa lub sijhawm dimming. Lub sijhawm ua haujlwm tshwj xeeb yog raws li nram no: thawj lub sijhawm yog 100% thiab txuas ntxiv ua haujlwm rau 5 teev; lub sijhawm thib ob yog 50% thiab txuas ntxiv ua haujlwm rau 7 teev; qhov twg tsuas yog xav tau ib hmos teeb pom kev xwb. Lub Sijhawm Hnub Ci (Charging).
Txoj kev dav yog 8 meters, nrog rau txoj kev taug kev ntev li 1.5 meters ntawm ob sab. Qhov siab ntawm tus ncej teeb yog 10 meters, qhov ntev ntawm tus cantilever yog 1 meters, thiab qhov deb ntawm tus ncej teeb thiab ntug kev yog 36 meters, uas ua tau raws li qhov yuav tsum tau ua ntawm M2 theem teeb pom kev zoo. Raws li cov txiaj ntsig simulation teeb pom kev zoo ntawm E-LITE, nws tau pom tias 115W Omni series yog qhov tsim nyog heev.
Watt-teev ntawm
Raws li cov xwm txheej ntawm qhov project, peb tau xam qhov kev siv hluav taws xob tiag tiag raws li nram no:
Tag nrho kev siv teeb ntawm txoj kev = (115W x 5 teev) + (57.5W x 7 teev) = 977.5Wh/hnub
Muaj peev xwm ntawm
Nyob ntawm qhov xwm txheej ntawm qhov project, vim tias lub sijhawm ua haujlwm tsuas yog rau ib hmos xwb. Tom qab ntawd peb txhais cov kev xav tau zog no
Lub peev xwm ntawm lub roj teeb, xav txog qhov voltage ntawm peb lub roj teeb system yog 25.6V
Lub peev xwm ntawm lub roj teeb = Tag nrho cov teeb pom kev siv 977.5WH × (0 + 1) / 25.6V / 95% / 95% = 42.3AH
Xaus lus: Lub peev xwm ntawm lub roj teeb yog: 25.6V / 42A
(lub peev xwm ntawm ib lub roj teeb cell yog 6AH, yog li 42.3AH yog puag ncig rau 42AH
Lub zog ntawm
1, Lub peev xwm tsim hluav taws xob tsawg kawg nkaus ntawm lub roj teeb vaj huam sib luag ib hnub (lub roj teeb yuav raug them tag nrho hauv ib hnub-6 teev)
25.6x42AH = 1075.2WH
2, Yam tsawg kawg nkaus fais fab tiam tam sim no ntawm lub roj teeb vaj huam sib luag
1075.6WH/6H=179.2W 3、Kev hloov pauv ntawm lub cev ua haujlwm tau zoo 95%
179.2W/95%=188.63
Raws li cov txiaj ntsig, peb tuaj yeem xaiv los nruab 1pc 36V / 190W (99% kev nyab xeeb them nqi khaws cia) lub hnub ci vaj huam sib luag module kom tau raws li qhov xav tau lub zog ntawm qhov project.
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Lub sijhawm tshaj tawm: Cuaj hlis-03-2024
