Lub hnub ci hluav taws xob tsim hluav taws xob yog tsim los ntawm cov hnub ci vaj huam sib luag, them nyiaj tswj, inverters thiab roj teeb; Lub hnub ci DC lub zog tsim hluav taws xob tsis suav nrog inverter. Txhawm rau ua kom lub hnub ci hluav taws xob tsim hluav taws xob los muab lub zog txaus rau kev thauj khoom, nws yog ib qho tsim nyog los xaiv ntau yam khoom tsim nyog raws li lub zog ntawm cov khoom siv hluav taws xob. Kev tsim lub hnub ci zog yuav tsum xav txog cov hauv qab no:
Q1. Lub hnub ci tsim hluav taws xob siv qhov twg? Lub hnub ci hluav taws xob nyob hauv cheeb tsam yog dab tsi?
Q2. Dab tsi yog qhov load zog ntawm qhov system?
Q3. Dab tsi yog qhov tso zis hluav taws xob ntawm qhov system, DC lossis AC?
Q4. Lub kaw lus yuav tsum ua haujlwm li cas txhua hnub?
Q5. Thaum muaj huab cua los nag tsis muaj hnub ci, lub kaw lus yuav tsum tau muab lub zog txuas ntxiv mus ntev npaum li cas?
Cia peb nqa (load) 100W tso zis hluav taws xob thiab siv nws li 6 teev hauv ib hnub ua piv txwv los qhia txog txoj kev suav:
1. Ua ntej, xam cov watt teev noj ib hnub twg (nrog rau qhov poob ntawm inverter):
Yog hais tias qhov hloov dua siab tshiab ntawm lub inverter yog 90 feem pua, thaum lub hwj chim tso zis yog 100W, qhov tiag tiag yuav tsum tau tso zis hwj chim yuav tsum yog 100W/90 feem pua =111W; Yog tias nws siv 6 teev hauv ib hnub, kev siv hluav taws xob yog 111W * 6 teev=666Wh, lossis 0.666 kilowatt- teev hluav taws xob.
2. xam hnub ci vaj huam sib luag:
Muab xam raws li qhov ua tau zoo hnub ci hnub ci lub sij hawm ntawm 5 teev, thiab coj mus rau hauv tus account qhov kev them nqi thiab qhov poob thaum lub sij hawm them nqi, cov zis hluav taws xob ntawm lub hnub ci vaj huam sib luag yuav tsum yog 666Wh÷5h÷70 feem pua =190W. Ntawm lawv, 70 feem pua yog lub zog tiag tiag siv los ntawm lub hnub ci vaj huam sib luag thaum lub sijhawm them nyiaj.
3.
Kev tsim hluav taws xob txhua hnub ntawm 180 watt modules
Luas=18 x 0.7 x {3}}WH=0.63 degrees
1MW fais fab tuag txhua hnub=1000000 × 0.7 × 5=3500, 000=3500 degrees
Piv txwv 2: Txhim kho lub teeb 10w, teeb pom kev zoo rau 6 teev hauv ib hnub, 3 hnub los nag sib law liag, yuav ua li cas xam lub hnub ci vaj huam sib luag wp? thiab 12V roj teeb ah?
Kev siv hluav taws xob txhua hnub: 10W X 6H=60WH,
xam cov hnub ci vaj huam sib luag:
Xav tias qhov nruab nrab hnub ci hnub ci ntawm koj qhov chaw teeb tsa yog 4 teev.
Tom qab ntawd: 60WH/4 teev,=15WP hnub ci vaj huam sib luag.
Tom qab ntawd xam cov nqi thiab tso tawm poob, thiab cov hnub ntxiv ntawm lub hnub ci vaj huam sib luag:
15WP/0 6= 25WP,
Ntawd yog, 25W hnub ci vaj huam sib luag yog txaus.
Ces xam lub roj teeb.
60WH/12V=5AH.
Siv 12V5AH hluav taws xob txhua hnub.
Peb hnub yog 12V15AH.
Lub roj teeb configuration yuav tsum tau tsim xws li hais tias lub zog noj txhua hnub tsis tshaj 20 feem pua, los yog lub hwj chim noj tsis tshaj 50 feem pua thaum lub sij hawm tas mus li los nag. Yuav kom ua tiav lub roj teeb lub neej ntev tshaj plaws.
Nyob rau hauv no txoj kev peb xaus hais tias lub roj teeb ntawm lub system yog txaus rau 26AH-30AH.
Piv txwv 3: Yuav tsum muaj pes tsawg watts ntawm lub hnub ci vaj huam sib luag los sau lub roj teeb 12V45A hauv 6 teev?
Lub roj teeb 12V45A yog 648 watt-teev (?) Yog tias nws them tag nrho hauv 6 teev, lub hnub ci vaj huam sib luag tsuas yog xav tau 108 watts, tab sis lub hnub ci vaj huam sib luag tiag tiag cuam tshuam los ntawm cov yam ntxwv. xws li hnub ci siv, qhov kub thiab txias, thiab tag nrho kev ua haujlwm ntawm photovoltaic maub los. Tag nrho cov efficiency ntawm lub roj teeb yog xam los ntawm 0.8. Koj yuav tsum xaiv 135-watt solar cell module. Los ntawm txoj kev, qhov zoo tshaj plaws them tam sim no ntawm lub roj teeb lead-acid yog 1/10 ntawm lub roj teeb muaj peev xwm tam sim no, uas yog 4.5A. Kev them nyiaj ntau dhau yuav ua rau lub roj teeb nrawm dua. Sulfuration cuam tshuam rau roj teeb lub neej.
Txoj kev suav yooj yim tshaj plaws:
Roj teeb: 12V × 45A =540WH
Hnub ci vaj huam sib luag fais fab {{0}}/6/0.8 (poob)=112.5W
Piv txwv 4: Nws siv sijhawm pes tsawg teev rau ob lub hnub ci 20-watt (36 daim) kom them lub roj teeb 12-volt 17-amp? Nws siv sijhawm pes tsawg teev los them cov roj teeb 12v4AH zoo tib yam nrog ob lub hnub ci?
Kev ua haujlwm voltage ntawm 1.20W hnub ci vaj huam sib luag feem ntau yog 17.2V, thiab tam sim no yog 1.15A. Yog tias lub rooj tsavxwm zoo, qhov ntsuas tam sim no feem ntau yog 1.1A (Kuv tau sim nws).
2. Piv txwv tias 6 teev ntawm lub teeb koj hais yog lub sijhawm ntawm tav su mus rau yav tav su, ces 4 teev ntawm kev tsim hluav taws xob tag nrho tuaj yeem suav tau, uas txhais tau hais tias 2 20W boards tuaj yeem tsim 2 * 1.1 * 4=8.8A ib hnub
3. Ua li no, 17AH roj teeb tuaj yeem them tag nrho hauv 2 hnub; 4AH roj teeb yuav luag zoo tib yam hauv 2 teev.
Los yog tag nrho w ntawm lub hnub ci vaj huam sib luag yog 20 ntxiv rau 5=25W
Tag nrho tus naj npawb ntawm w ntawm lub roj teeb yog 12v * 17A=204w
Lub sijhawm puv sijhawm yog 204/25=8 teev
4A roj teeb:
4A *12=48w
48w / 25w=1.92 teev
Los yog vim qhov tsis raug kev sib raug zoo ntawm lub hnub ci siv zog thiab lub roj teeb muaj peev xwm, kev suav cov lej yog qhov tsis tsim nyog thiab cumbersome. Kwv yees,
Hnub ci cell tam sim no: 20/12=1.7A
Them sij hawm 1: 17/1.7 * 1.5 them tas li=15 teev,
Them sij hawm 2: 4/1.7 * 1.5 them tas li =3.5 teev,
Qhov tseeb, koj tuaj yeem them ob lub roj teeb thiab ob lub hnub ci vaj huam sib luag nyob rau tib lub sijhawm, zoo ib yam.
Them sij hawm 3: (17AH ntxiv rau 4AH) / (1.7 * 2 blocks) * 1.5 them tas li =9 teev,
Yog tias lub hnub ci hauv koj qhov chaw zoo, nws yuav kav ntev li ob hnub.
Tsis muaj dab tsi yuav tsum tau them nyiaj rau thaum them nyiaj. Yog tias koj muaj multimeter, ib txwm ntsuas qhov hluav taws xob ntawm ob qho kawg ntawm lub roj teeb thaum them nyiaj, thiab nws tsis pub tshaj 14V. Nco ntsoov tsis txhob tsawg dua 10.5V thaum tso tawm. Ob qho tib si overcharge thiab overdischarge cuam tshuam rau lub roj teeb lub neej.
Piv txwv li 5 Piv txwv li 2 hnub los nag los, lub zog thauj khoom yog 40W thiab lub sijhawm teeb pom kev zoo yog 8 teev ib hnub. Yuav kom ua tiav lub sijhawm teeb pom kev zoo saum toj no, pes tsawg watts ntawm lub hnub ci vaj huam sib luag thiab yuav tsum muaj pes tsawg watts ntawm cov roj teeb?
Qhov yooj yim tshaj plaws algorithm yog plaub quadruple.
Ntawd yog, lub zog thauj khoom * 4 zaug, thiab 160W hnub ci vaj huam sib luag yuav tsum.
Yog tias koj xav kom meej meej, nws yog raws li hauv qab no:
Lub zog load yog 40W.
40W * 8 teev / qab nthab *=320WH / 12V ( roj teeb voltage) == 27AH.
Siv 12V27AH hluav taws xob txhua hnub,
Nws yog qhov zoo tshaj kom khaws lub roj teeb li ntawm 30 feem pua ntawm cov peev txheej tawm txhua hnub. Yog li peb xav tau lub roj teeb uas tuaj yeem yooj yim yog 90AH12V. Hauv qhov no, peb tuaj yeem xaiv 100AH nkaus xwb, vim tias 90AH roj teeb yog qhov nyuaj rau kev yuav, lub hnub ci. 40W * 8 Teev =320WH.
320WH tshem tawm 20 feem pua ntawm qhov poob hauv Circuit Court thiab cov txheej txheem cia fais fab, thiab qhov xav tau tiag tiag txhua hnub yog 400WH.
Yog hais tias lub sij hawm yog 4 teev nyob rau ib hnub raws li tus qauv hnub ci lub sij hawm, lub xam yog raws li nram no:
400WH/4 teev=100W.
Piv txwv 6 Load 2 50w load input voltage 24v 3 hnub los nag, ua hauj lwm 8 teev ib hnub twg
Thov xav tau qhov system solar panels thiab roj teeb suav
1. Hnub ci vaj huam sib luag 2*50W*8H/0.6/4H=340W (tag nrho cov hwj huam noj/system siv yam tseem ceeb/zoo hnub ci lub sij hawm)
2. Roj teeb 2*50/24*8*(3 plus 1)/0.
(Lub hnub ci vaj huam sib luag fais fab {{0}}load fais fab * lub sij hawm ua hauj lwm / poob 0.6/ nruab nrab zoo lub teeb)
(Lub roj teeb muaj peev xwm=lub zog thauj * lub sijhawm ua haujlwm * huab cua los nag tsis tu ncua / roj teeb voltage / nqi thiab tawm coefficient)
Muab xam los ntawm tus nqi ntawm lub hnub ci hluav taws xob
Kev tsim hluav taws xob txhua xyoo (EP)=PAS * HA * K * 365 (hnub)
PAS: hnub ci roj teeb hlua muaj peev xwm
HA: Lub hnub ci hluav taws xob sib txuas ntawm qhov chaw teeb tsa thiab kev teeb tsa (kWh / m2 * hnub)
K: sum tsim coefficient ({{0}}.65-0.8≒0.7 degree)
Muab xam los ntawm kev siv qhov system
Kev tsim hluav taws xob ib xyoos ib zaug=lub zog tsim hluav taws xob ntawm lub hnub ci cell array template * kev siv tus nqi * 8760 (teev)
Kev siv qhov piv txwv {{0}}.1-0.15≒0.12 degree
Tag nrho cov sij hawm hauv ib xyoos=24 (teev) * 365 (hnub)=8760 teev.
Cov hluav taws xob hauv tsev tuaj yeem hloov tau los ntawm kev tsim hluav taws xob hnub ci, uas tseem yuav dhau los ua kev zam thaum kev tiv thaiv ib puag ncig nrov niaj hnub no. Peb tuaj yeem pom zoo cov kev daws teeb meem zoo tshaj plaws rau koj raws li tus nqi hluav taws xob koj lub tsev siv, koj qhov chaw nyob thiab lwm yam ntaub ntawv.
Txawm hais tias lub hnub ci hluav taws xob tsim hluav taws xob muaj qhov zoo ntawm kev nyab xeeb, kev tiv thaiv ib puag ncig thiab kev ua qias tuaj -dawb, nws tus nqi yog siab heev, yog li nws feem ntau pom zoo kom siv rau lub teeb pom kev zoo xwb.
Txog kev kwv yees tus nqi, koj tuaj yeem xam raws li cov qauv yooj yim hauv qab no kom pom yuav ua li cas npaj cov nplai ntawm lub hnub ci tsim hluav taws xob.
1. Xam tag nrho cov kev siv hluav taws xob txhua hnub, qhov nruab nrab ntawm kev siv hluav taws xob hauv tsev yuav tsum nyob nruab nrab ntawm 5 degrees thiab 10 degrees ib hnub. Koj tuaj yeem faib tag nrho cov nqi hluav taws xob txhua hli los ntawm tus nqi tsev thiab tom qab ntawd cov hnub.
2. Koj tuaj yeem siv cov mis 5000W (xws li 5 kilowatt- teev hluav taws xob ib hnub) / 5 teev (qhov nruab nrab siv lub teeb ci hauv ib hnub, sib txawv hauv cheeb tsam sib txawv )/0.7 (qhov ua tau zoo ntawm lub hnub ci vaj huam sib luag) / 0.9 (ntau qhov poob)=1600W, tom qab ntawd Ntxiv 5 feem pua ntawm cov npoo, nws yuav luag 1700W.
3. Tus lej saum toj no yog lub zog ntawm lub kaw lus. Txawm hais tias tus nqi nruab nrab ntawm cov kab ke tam sim no yog 60 yuan / W (nrog rau tag nrho cov khoom siv thiab kev teeb tsa), ces tag nrho cov peev nyiaj yog 1700X60=102,{{4} }, uas yog ntau tshaj 100,000. Tam sim no, tus nqi hluav taws xob hauv feem ntau yog xam ntawm 0.6 yuan, 102000/0.6=170,000 kWh, 5 kWh ib hnub, uas tuaj yeem siv tau 90 xyoo.
4. Los ntawm cov ntsiab lus saum toj no, nws yog qhov tsis muaj tseeb rau cov tsev neeg hauv tsev tsuas yog siv lub hnub ci hluav taws xob rau hluav taws xob xwb. Cov teb chaws txawv teb chaws tab tom txhim kho zoo heev vim yog lub xeev cov nyiaj pab. Peb kuj yuav tsum muaj cov nyiaj pab, thiab tus nqi yuav tsum tau txo qis heev, kom lub hnub ci zog tuaj yeem nkag mus rau hauv tsev ntawm cov neeg tiag tiag.
Lub tshuab hluav taws xob tsim hluav taws xob tuaj yeem tsim los ntawm cov hnub ci vaj huam sib luag, roj teeb, tswj thiab inverters. Thaum muaj hnub ci thaum nruab hnub, koj tuaj yeem siv lub roj teeb lub rooj tsavxwm nrog tus tswj kom them lub roj teeb, thiab siv lub roj teeb los siv cov khoom siv hluav taws xob thaum hmo ntuj.
Hauv qhov no, nws raug nquahu kom siv 80W roj teeb lub rooj tsavxwm, 12V20AH roj teeb (yuav hauv zos), 12V5A maub los thiab 300W inverter. Thaum them tag nrho, nws tuaj yeem siv rau plaub lub teeb 20W rau ntau tshaj 5 teev, uas yog txaus rau cov neeg feem coob. Yog tias nws tsis txaus, koj tuaj yeem ntxiv ib lossis ntau lub panels.
Cov txheej txheem me me no yog qhov tsim nyog rau cov hluav taws xob tsis txaus lossis cov cheeb tsam tsis muaj zog, xws li thaj chaw hav zoov, thaj chaw roob, lossis chaw ua haujlwm (beekeeping). Tus nqi tsis siab, thiab nws yooj yim rau nqa. Lub kaw lus tuaj yeem hloov kho raws li qhov xav tau, uas tuaj yeem ua tau raws li kev siv hluav taws xob txhua hnub.
