Hnub ci tshuab hluav taws xob tau dhau los ua qhov kev xaiv nrov dua rau cov tswv tsev thiab cov lag luam nrhiav kom txo lawv cov nqi hluav taws xob thiab cov pa roj carbon hneev taw. Raws li ntau tus neeg nrhiav kev ywj pheej ntawm lub zog, qhov kev thov rau hnub ci photovoltaic (PV) tshuab tau nce siab. Ib qho ntawm cov lus nug ntau tshaj plaws uas cov neeg siv khoom hnub ci muaj yog, "Kuv xav tau pes tsawg hnub ci vaj huam sib luag rau 6.6 kW system?"
Cov lus nug no yog nyob ntawm ntau yam tseem ceeb, xws li lub zog ntawm lub hnub ci vaj huam sib luag, qhov chaw lub hnub ci teev, thiab lwm yam khoom siv. Ntxiv thiab, thaum lubhnub ci vaj huam sib luaglawv tus kheej yog qhov tseem ceeb tshaj plaws ntawm kev teeb tsa, cov khoom tseem ceeb xws li hnub ci cables thiab hnub ci xov hlau tseem ua lub luag haujlwm tseem ceeb hauv kev ua kom lub cev ua haujlwm zoo thiab nyab xeeb. Hauv tsab xov xwm no, peb yuav tshawb xyuas seb yuav tsum muaj pes tsawg lub hnub ci vaj huam sib luag rau 6.6 kW hnub ci system, cov yam ntxwv cuam tshuam rau qhov kev suav no, thiab qhov tseem ceeb ntawm cov hnub ci cables thiab hnub ci xaim hauv kev teeb tsa lub hnub ci.
Dab tsi yog a6.6 kW Hnub Ci System?
A 6.6 kW hnub ci system hais txog qhov system tag nrho cov hluav taws xob tsim muaj peev xwm. Lub "kW" sawv cev rau kilowatts, uas yog ib chav tsev ntawm lub zog. Qhov no txhais tau hais tias 6.6 kW hnub ci system tuaj yeem tsim 6,600 watts ntawm hluav taws xob ib teev nyob rau hauv cov xwm txheej zoo (thaum lub hnub ci siab tshaj).
Lub zog tiag tiag tsim los ntawm qhov system tuaj yeem sib txawv nyob ntawm ntau yam, suav nrog:
Lub wattage ntawm lub hnub ci panels
Lub hnub ci teev koj qhov chaw tau txais
Lub efficiency ntawm cov panels
Qhov system poob los ntawm kev xaim, inverter, thiab lwm yam khoom
Lub zog 6.6 kW feem ntau yog tsim rau cov tsev nruab nrab lossis cov lag luam me uas siv hluav taws xob nruab nrab mus rau siab. Qhov nruab nrab, 6.6 kW hnub ci system yuav tsim tau txog 24 mus rau 30 kWh ntawm hluav taws xob ib hnub, nyob ntawm qhov chaw, vaj huam sib luag efficiency, thiab hnub ci muaj.
Tej yam uas cuam tshuam rau ntau npaum li cas hnub ci vaj huam sib luag koj xav tau rau 6.6 kW System
Muaj ntau yam tseem ceeb uas cuam tshuam rau cov hnub ci vaj huam sib luag uas koj xav tau rau 6.6 kW system. Cov yam tseem ceeb no suav nrog lub vaj huam sib luag wattage, qhov chaw thiab lub hnub ci teev, vaj huam sib luag efficiency, thiab qhov system poob.
1. Vaj huam sib luag Wattage
Lub wattage ntawm lub hnub ci vaj huam sib luag yog hais txog tus nqi hluav taws xob ib lub vaj huam sib luag tuaj yeem tsim nyob rau hauv cov xwm txheej zoo. Feem ntau cov vaj huam sib luag hnub ci niaj hnub no muaj li ntawm 250 watts txog 400 watts ib lub vaj huam sib luag. Qhov tseem ceeb no yog qhov tseem ceeb hauv kev txiav txim siab pes tsawg lub vaj huam sib luag koj yuav xav tau rau koj lub hnub ci 6.6 kW.
Piv txwv li:
Yog tias koj siv 300-watt panels, txhua lub vaj huam sib luag tuaj yeem tsim hluav taws xob 300 watts hauv qab hnub ci siab tshaj.
Yog tias koj siv 350-watt panels, txhua lub vaj huam sib luag tuaj yeem tsim hluav taws xob 350 watts.
Qhov siab dua ntawm cov wattage ntawm cov vaj huam sib luag, cov vaj huam sib luag tsawg dua koj yuav xav tau kom ua tiav tib lub zog tsim hluav taws xob.
Txhawm rau xam cov panels xav tau rau 6.6 kW system, koj tuaj yeem siv cov qauv:
Tus lej ntawm Vaj Huam Sib Luag =System Loj (hauv watts) / Vaj Huam Sib Luag Wattage (hauv watts)
Rau 6.6 kW system, qhov no ua:
Tus naj npawb ntawm Panels =6,600 watts / Vaj Huam Sib Luag Wattage (hauv watts)
2. Vaj huam sib luag Efficiency
Kev ua haujlwm ntawm lub hnub ci vaj huam sib luag yog hais txog feem pua ntawm hnub ci uas hloov mus rau hauv hluav taws xob siv tau. Hnub ci vaj huam sib luag tuaj nyob rau hauv ntau qib efficiency, thiab ntau dua efficiency panels tsim hluav taws xob ntau dua ib square meter ntawm qhov chaw.
Monocrystalline panels: Cov no yog hom kev ua tau zoo tshaj plaws, nrog kev ua tau zoo ntawm 18% thiab 22%.
Polycrystalline panels: Cov vaj huam sib luag no ua haujlwm tsawg dua, nrog kev ua tau zoo nyob ib puag ncig 15% txog 18%.
Nyias-film panels: Cov no yog qhov ua tau zoo tshaj plaws, nrog kev ua tau zoo ntawm 10% thiab 13%.
Cov vaj huam sib luag ua haujlwm siab dua tuaj yeem txo tag nrho cov vaj huam sib luag xav tau rau 6.6 kW system, txawm tias lawv tuaj yeem tuaj ntawm tus nqi siab dua.
3. Qhov chaw thiab Hnub Ci Sijhawm
Lub hnub ci koj qhov chaw tau txais lub luag haujlwm tseem ceeb hauv kev ua haujlwm ntawm koj lub hnub ci vaj huam sib luag. Tus naj npawb ntawm hnub ci teev nyob rau ib hnub yuav cuam tshuam txog hluav taws xob ntau npaum li cas koj cov vaj huam sib luag tsim.
Cov cheeb tsam tshav ntuj (xws li Arizona, California, thaj chaw ntawm Australia) feem ntau tau txais tshav ntuj ntau dua thiab tuaj yeem tsim hluav taws xob ntau dua nrog cov vaj huam sib luag tsawg dua.
Cov cheeb tsam Cloudier (piv txwv li, Northern Europe, Pacific Northwest) yuav tsim hluav taws xob tsawg dua, xav tau ntau lub vaj huam sib luag kom ua tiav tib lub zog ntawm 6.6 kW.
Txhawm rau xam lub zog koj tuaj yeem tsim tau raws li lub hnub ci teev, koj yuav tsum paub pes tsawg teev ntawm lub hnub ncaj qha koj qhov chaw tau txais txhua hnub. Ib qho kev kwv yees rau lub hnub ci tag nrho yog li ntawm 4 mus rau 6 teev hauv ib hnub rau feem ntau ntawm lub ntiaj teb.
4. Qhov System Losses
Lub hnub ci nruab hnub ci tau ntsib qee lub zog poob vim tsis muaj txiaj ntsig hauv cov khoom xws li inverter, thaiv, thiab kev sib txuas. Qhov nruab nrab, qhov kev poob qis tuaj yeem suav txog 10% ntawm tag nrho lub zog tsim tawm.
Cov kev poob no yuav tsum raug xam rau hauv koj lub vaj huam sib luag cov cai. Yog li, txhawm rau suav rau 10% kev poob, koj yuav tsum tsim kom muaj 10% ntau lub zog los ua kom lub zog poob.
Xam tus naj npawb ntawm Panels rau 6.6 kW System
Tam sim no peb nkag siab txog cov xwm txheej cuam tshuam rau cov hnub ci vaj huam sib luag, cia peb suav tias yuav tsum muaj pes tsawg lub vaj huam sib luag rau 6.6 kW system, xav txog cov vaj huam sib luag sib txawv.
1. Siv 300-Watt Panels
Rau 300-watt panels, peb tuaj yeem suav cov vaj huam sib luag uas yuav tsum tau siv cov qauv:
Tus naj npawb ntawm Panels =6,600 watts / 300 watts ib lub vaj huam sib luag =22 panels
Yog li, koj yuav xav tau 22 vaj huam sib luag ntawm 300 watts txhua kom ua tiav 6.6 kW system nyob rau hauv cov xwm txheej zoo.
2. Siv 350-Watt Panels
Rau 350-watt panels, kev suav yuav yog:
Tus naj npawb ntawm Panels =6,600 watts / 350 watts ib lub vaj huam sib luag =18 86 panels
Yog li, koj yuav xav tau kwv yees li 19 panels ntawm 350 watts txhua.
3. Kev Sau Nyiaj Txiag rau Kev Losses (10% Poob)
Yog tias peb suav nrog 10% kev poob, tag nrho lub zog yuav tsum tau ua:
Kho Zog =6,600 watts × 1.10=7, 260 watts
Tam sim no, peb rov xam cov naj npawb ntawm panels:
Rau 300-watt panels:
Tus naj npawb ntawm Panels =7,260 watts / 300 watts ib lub vaj huam sib luag =24.2 panels⇒25 vaj huam sib luag
Rau 350-watt panels:
Tus naj npawb ntawm Panels =7,260 watts / 350 watts ib lub vaj huam sib luag =20.8 panels⇒21 panels
Yog li, txhawm rau suav rau qhov kev poob qis, koj yuav xav tau 25 panels ntawm 300 watts txhua lossis 21 panels ntawm 350 watts txhua.
Lub luag haujlwm ntawm Solar Cables thiab Hnub Ci Hlau nyob rau hauv 6.6 kW System
Thaum koj tau txiav txim siab ntau npaum li cas hnub ci vaj huam sib luag koj xav tau rau koj lub zog 6.6 kW, nws yog ib qho tseem ceeb los xyuas kom meej tias cov khoom siv hluav taws xob, xws li hnub ci cables thiab hnub ci xov hlau, raug teeb tsa kom zoo thiab kev nyab xeeb.
1. Solar Cables
Hnub ci cables yog cov tsim tshwj xeeb uas tsim los txuas cov hnub ci vaj huam sib luag rau lub inverter, roj teeb cia, thiab kab sib chaws. Cov cables no yuav tsum muaj zog txaus los tiv thaiv qhov hnyav ib puag ncig uas tuaj nrog kev teeb tsa sab nraum zoov, suav nrog raug UV rays, kub hloov pauv, thiab ya raws.
TUV-rated cables: Cov cables no tau ntawv pov thawj rau kev siv hnub ci, txhais tau tias lawv tiv taus UV degradation thiab kub heev.
MC4 hnub ci cables: MC4 connector yog ib qho ntawm feem ntau siv connectors rau hnub ci vaj huam sib luag. Cov cables no muab txoj hauv kev nyab xeeb thiab ruaj ntseg los txuas cov vaj huam sib luag hauv kev sib txuas lossis kev teeb tsa sib txuas.
Cov cables yuav tsum muaj qhov loj me me raws li qhov tam sim no tsim los ntawm koj lub hnub ci vaj huam sib luag. Qhov tam sim no nce nrog cov naj npawb ntawm cov vaj huam sib luag thiab tag nrho cov kab ke loj, yog li hnub ci cables rau 6.6 kW qhov system yuav xav tau lub ntsuas hluav taws xob ntawm 10 AWG rau 6 AWG.
2. Solar Wire Gauge
Lub ntsuas hluav taws xob hais txog qhov tuab ntawm cov hlau, uas cuam tshuam rau nws lub peev xwm nqa tam sim no. Rau 6.6 kW hnub ci system, cov hlau loj siv feem ntau yog li ntawm 10 AWG txog 6 AWG:
10 AWG: Qhov ntsuas hluav taws xob no feem ntau siv rau qhov luv luv ntawm cov panels thiab lub inverter.
6 AWG: Rau kev ncua ntev lossis siab dua tam sim no, cov hlau tuab zoo li 6 AWG yog siv los tiv thaiv kev poob qis thiab lub zog poob.
Lub ntsuas hluav taws xob xav tau rau koj lub cev nyob ntawm qhov ntev ntawm cov xaim khiav, tag nrho tam sim no lub kaw lus tsim, thiab qhov hluav taws xob uas koj lub cev ua haujlwm. DC xaim (los ntawm cov vaj huam sib luag mus rau lub inverter) feem ntau yuav tsum muaj cov cables tuab dua li AC thaiv (los ntawm inverter mus rau daim phiaj lossis roj teeb).
3. Ua kom cov hlau loj thiab kev teeb tsa kom zoo
Cov xaim tsis raug cai tuaj yeem ua rau lub zog poob, overheating, lossis txawm tias muaj hluav taws kub. Nws yog ib qho tseem ceeb heev uas yuav tau ua hauj lwm nrog ib tug ntawv pov thawj hnub ci installer los xyuas kom meej tias cov hlau gauge yog lawm rau koj lub system cov kev cai.