Nyob rau hauv lub hnub ci zog system, micro pv invereers ua lub luag haujlwm tseem ceeb hauv kev hloov pauv tam sim no (AC) uas tuaj yeem siv hauv tsev thiab cov lag luam. Thaum micro PV inverers muaj cov txiaj ntsig xws li kev hloov kho lub zog zoo dua thiab kev xaiv cov kab txuas nrog kev nyab xeeb thiab kev ua haujlwm zoo. Hauv phau ntawv qhia no, peb yuav taug kev koj los ntawm qhov kev xaiv cov kev daws teeb meem rau microC inverter kev txiav txim siab sib txuas, kev pab koj txiav txim siab rau koj cov kev teeb tsa hnub ci.
Nkag siab micro PV inverters thiab lawv cov kab txuas
Micro PV inverters txawv los ntawm txoj hlua hlua ib txwm muaj nyob rau hauv uas txhua tus microinverter tau ua ke nrog ib pawg solar. Cov teeb tsa no tso cai rau kev ua haujlwm ywj siab, kev txhim kho hluav taws xob ntau txawm tias yog ib lub vaj huam sib luag yog xim lossis qis dua.
Cov kab sib txuas ntawm lub hnub ci ci thiab microinerverers yog qhov tseem ceeb rau kev ua haujlwm tau zoo thiab kev nyab xeeb. Cov kab no nqa lub zog DC los ntawm cov vaj huam sib luag mus rau cov microinverters, qhov twg nws hloov dua siab tshiab rau kev siv hauv cov hluav taws xob sib tw lossis kev noj hluav taws xob. Xaiv cov xaim yog qhov tseem ceeb los tuav lub zog sib kis, tiv thaiv lub zog ntawm kev ntxhov siab ib puag ncig, thiab tswj cov qauv kev nyab xeeb.
Qhov tseem ceeb rau kev txiav txim siab thaum xaiv cov kab txuas
Thaum xaiv cov kab txuas rau micro PV inverters, ob peb tus yuam sij yuav tsum tau coj mus rau hauv tus account kom meej meej ob qho kev ua tau zoo thiab kev nyab xeeb.
1. Cable Hom Thiab Rwb Thaiv Tsev
Rau micro PV inverter system, nws yog qhov tseem ceeb uas yuav siv hnub ci-rated cables zoo liH1Z2Z2-K or PV1-F, uas yog tsim tshwj xeeb rau photovoltaic (PV) cov ntawv thov. Cov Cables muaj cov khoom siv zoo uas tiv thaiv UV hluav taws xob, noo noo, thiab kev mob hnyav. Cov rwb thaiv tsev yuav tsum ua kom ruaj khov txaus los lis cov hlua ntawm sab nraum zoov thiab tiv thaiv kev cuam tshuam dhau lub sijhawm.
2. Cov thiab voltage ratings
Cov xaiv tau kev xaiv cov kab kev txuas yuav tsum muaj peev xwm tuav qhov tam sim no thiab voltage tsim los ntawm lub hnub ci. Xaiv cov cables nrog cov kev ntsuas tsim nyog tiv thaiv cov teeb meem zoo li kev ua kom muaj hluav taws xob ntau dhau los yog qhov ua rau muaj hluav taws xob thiab txo nws cov txiaj ntsig. Piv txwv li, kom ntseeg tau tias cov cable voltage ntsuas ntais ntawv lossis tshaj qhov system qhov ntsuas hluav taws xob ntau kom tsis txhob muaj hluav taws xob sib tsoo.
3. UV thiab huab cua tsis kam
Txij li thaum hnub ci system feem ntau ntsia nraum zoov, UV thiab huab cua tsis kam yog qhov tseem ceeb. Cov kab sib txuas yuav tsum muaj peev xwm tiv thaiv ntev ntev txog hnub ci, nag, daus, thiab huab cua sov uas tsis muaj kev sib luag. Cov Khoom Siv Zoo Los nrog UV-resistant jackets los tiv thaiv cov xaim los ntawm kev puas tsuaj ntawm lub hnub.
4. Kev Ua Si Kub Kub
Hnub ci zog tshuab kev sib txawv sib txawv nyob thoob plaws ib hnub thiab thoob plaws lub caij. Cov qoob loo yuav tsum muaj peev xwm ua tau kev ua haujlwm tau zoo nyob rau hauv ob qho siab thiab qis kub tsis muaj kev yooj yim los yog ua nkig. Saib rau cov xaim nrog qhov kub thiab txias ntau yam los xyuas kom muaj kev ntseeg tau rau hauv huab cua huab cua.
Cable SIZING thiab LICASTIONAL
Kev tsim nyog cable sizing yog qhov tseem ceeb rau kev txo lub zog thiab ua kom muaj kev ua haujlwm zoo. Undersized cables tuaj yeem ua rau lub zog ntau dhau vim yog kev tiv thaiv, ua rau muaj kev tawm tsam hluav taws xob uas txo qhov kev ua tau zoo ntawm koj cov microinverter system. Tsis tas li ntawd, cov cav tsis tau tuaj yeem ua kom sov siab, ua kom muaj kev phom sij muaj kev nyab xeeb.
1. Me ntsis voltage poob
Thaum xaiv qhov tsim nyog cable loj, koj yuav tsum xav txog qhov ntev ntawm txoj kev sib txuas kab. Leele cable khiav nce lub peev xwm rau voltage poob, uas tuaj yeem txo qis kev ua haujlwm ntawm koj lub cev. Yuav kom tawm tsam qhov no, nws yuav tsim nyog los siv cov kab loj dua kom ntseeg tau tias qhov hluav taws xob tsis pub dhau lub microinverters tseem nyob hauv ib qho kev siv tau.
2. Tsis txhob overheating
Siv cov cable raug yog tseem ceeb rau kev tiv thaiv kev kub ntxhov. Cov qoob loo uas me me rau qhov tam sim no lawv tab tom nqa yuav ua kom sov thiab ua rau muaj kev puas tsuaj lossis muaj hluav taws. Nco ntsoov hais txog cov chaw tsim khoom lag luam cov txheej txheem thiab cov qauv kev lag luam los xaiv cov hlua kom raug rau koj lub kaw lus.
Txuas thiab Kev Xaiv Lub Thawv
Connectors thiab cov thawv tshuam ua si lub luag haujlwm tseem ceeb hauv kev tswj hwm kev ntseeg tau ntawm kev sib txuas ntawm lub hnub ci nruab nrab thiab microinverters.
1. Xaiv txhim khu kev qha
Zoo-siab, huab cua sov cov khoom sib txuas yog qhov tseem ceeb rau kev ua kom muaj kev sib txuas ntawm cov cable. Thaum xaiv cov txuas, nrhiav cov qauv uas tau ntawv pov thawj rau PV cov ntawv thov thiab muab cov ntaub ntawv kaw ruaj khov, dej nyab. Cov txuas no yuav tsum tau yooj yim rau nruab thiab ruaj khov kom tiv thaiv kev raug rau kev mob sab nraum zoov.
2. Cov thawv hlws ris rau kev tiv thaiv
Cov thawv hlws ris lub tsev kev sib txuas ntawm ntau cov cables, tiv thaiv lawv los ntawm ib puag ncig kev puas tsuaj thiab ua txij nkawm yooj yim dua. Xaiv cov thawv ntawv uas yog corrosion-resistant thiab tsim rau kev siv sab nraum zoov kom ntseeg tau tias kev tiv thaiv ntev ntawm koj cov xaim.
Ua raws cov qauv kev lag luam thiab cov ntawv pov thawj
Txhawm rau kom ntseeg tau tias koj cov micro PV inverter system muaj kev nyab xeeb thiab txhim khu kev qha, suav nrog kev sib txuas cov qauv, yuav tsum ua raws li cov qauv kev lag luam thiab ntawv pov thawj.
1. Cov Qauv Thoob Ntiaj Teb
Cov qauv haujlwm thoob ntiaj teb xws liIEC 62930(rau hnub ci cables) thiabUL 4703(Rau photovoltaic hauv Asmeskas) Muab cov lus qhia rau kev nyab xeeb thiab ua haujlwm ntawm hnub ci txuas kab. Ua raws li cov qauv no tau lees tias cov Cables ua raws li qhov yuav tsum muaj rau rwb thaiv tsev rau rwb thaiv tsev, thiab ua kom hluav taws xob.
2. Cov cai tswjfwm hauv zos
Ntxiv rau cov qauv thoob ntiaj teb, nws yog qhov tseem ceeb kom ua raws li cov cai hauv zos, xws li covNational Electrical Code (NEC)Hauv Tebchaws Meskas. Cov kev cai no feem ntau tsuas yog sau cov kev xav tau teeb meem rau kev teeb tsa, xws li hauv av, thiab kev coj ua ntawm kev nyab xeeb.
Xaiv cov khoom siv tau pov thawj tsis yog tsuas yog ua kom muaj kev nyab xeeb ntawm kev nyab xeeb, tab sis yuav raug rau kev tuav nyiaj lossis tsim nyog tau nyiaj rov qab thiab kev txhawb zog.
Kev coj ua zoo tshaj plaws rau kev teeb tsa thiab txij nkawm
Txhawm rau kom ua kom muaj kev nyab xeeb thiab ua tau zoo ntawm koj cov micro PV inverter system, ua raws cov kev coj ua zoo tshaj plaws rau kev txhim kho thiab tswj cov kab txuas.
1. Txoj Kev Coj Zoo thiab Kev Nyab Xeeb
Nruab ib txoj hauv kev uas tiv thaiv lawv ntawm kev puas tsuaj ntawm lub cev, xws li siv cov conduit lossis cable cov tais los tiv thaiv cov npoo ntse lossis cov chaw siab. Cables yuav tsum muaj kev ruaj ntseg nrawm kom tiv thaiv kom txav tau vim cua lossis kub hloov.
2. Kev kuaj xyuas ib txwm
Nquag tshuaj xyuas koj cov kab txuas rau cov cim ntawm hnav thiab kua muag, xws li rwg tawg rwb thaiv tsev, corrosion, lossis xoob sib txuas. Qhov chaw nyob txhua qhov teeb meem kom pab tiv thaiv lawv ntawm kev nce mus ua cov teeb meem loj.
3. Kev Ntsuam Xyuas Kev Ua Yeeb Yam
Kev soj ntsuam lub system txoj kev kawm tuaj yeem pab koj txheeb xyuas cov teeb meem nrog cov xaim ua ntej lawv mob hnyav. Cov tee tsis pom hauv cov khoom siv hluav taws xob tuaj yeem yog lub cim ntawm cov qoob loo puas lossis tsis zoo uas yuav tsum tau hloov.
Kev ua txhaum ib txwm muaj kev zam
Txawm hais tias nrog cov kev xav zoo tshaj plaws, kev ua yuam kev tuaj yeem tshwm sim thaum lub teeb tsa lossis txij nkawm ntawm micro PV inverter kev sib txuas cov kab. Ntawm no yog qee qhov ua yuam kev kom tsis txhob:
- Siv cov xaim hluav taws xob tsis raug: Xaiv cov xaim nrog cov kev ntaus nqi uas tsis phim cov kab ke ntawm cov hluav taws xob thiab tam sim no tuaj yeem ua rau overheating lossis hluav taws xob tsis ua hauj lwm.
- SKIPING HNUB CI: Tsis tshawb xyuas thiab tswj cov kab kev sib txuas tsis tu ncua tuaj yeem ua rau muaj kev puas tsuaj uas tag nrho cov kab ke.
- Siv cov uncertified Cheebtsam: Siv cov tsis sib xws los yog sib txuam nrog cov sib txuas thiab cov clescable ua rau tsis muaj kev pheej hmoo ntawm kev pheej hmoo tsis ua haujlwm thiab tej zaum yuav muaj kev lav pov tseg lossis kev pov hwm kev pov hwm lossis kev pov hwm kev pov hwm lossis kev pov hwm kev pov hwm lossis kev pov hwm kev pov hwm lossis kev pov hwm kev pov hwm lossis kev pov hwm kev pov hwm lossis kev pov hwm kev pov hwm kev pov hwm lossis kev pov hwm kev pov hwm lossis kev pov hwm kev pov hwm lossis kev pov hwm kev pov hwm lossis kev pov hwm kev pov hwm lossis kev pov hwm kev pov hwm lossis kev pov hwm nyiaj pov hwm lossis kev pov hwm kev pov hwm kev pov hwm kev pov hwm lossis kev pov hwm kev pov hwm lossis kev pov hwm kev pov hwm lossis kev pov hwm kev pov hwm kev pov hwm kev pov hwm lossis kev pov hwm kev pov hwm lossis kev pov hwm nyiaj pov hwm lossis kev pov hwm kev pov hwm kev pov hwm
Tag
Xaiv cov kab txuas rau koj cov micro PV inverter system yog qhov tseem ceeb rau kev ua kom muaj kev nyab xeeb, ua haujlwm, thiab kev ua haujlwm ntev. Los ntawm kev xaiv cov cables nrog cov rwb thaiv tsev uas tsim nyog, kev ntsuas tam sim no, koj tuaj yeem ua kom zoo rau koj lub hnub ci rau xyoo kev ua haujlwm tau zoo. Nco ntsoov ua raws li kev coj ua zoo tshaj plaws rau kev teeb tsa thiab txij nkawm, thiab sab laj nrog tus kws tshaj lij yog tias koj tsis paub meej txog tej yam ntawm lub system.
Thaum kawg, nqis peev pab tau cov kab kev sib txuas yog tus nqi tsawg rau cov txiaj ntsig ntawm kev nyab xeeb kev nyab xeeb, kev ua tau zoo, thiab kav ntev.
Danyang Winpower Hlau & Cable MFG Co., Ltd.tau tsim nyob rau hauv xyoo 2009 thiab yog kev ua lag luam ua haujlwm rau kev txhim kho kev txawj ntse, kev tsim khoom thiab muag ntawm lub hnub ci photovoltaic cables. Lub photovoltaic DC sab cable tsim thiab tsim los ntawm lub tuam txhab tau txais ob daim ntawv pov thawj dua los ntawm German Tüv thiab Asmeskas UL. Tom qab xyoo dhau los ntawm kev xyaum nplua nuj, lub tuam txhab tau sau cov kev siv nyiaj nplua nuj nyob rau hnub ci photovoltaic thiab muab cov qhua lag luam nrog cov khoom lag luam zoo thiab cov kev pabcuam zoo.
TÜV Pov Thawj PV1-F photovoltaic DC Cable specifications
| Tus coj nkauj | Tshuaj insulator | Daim plhaub | Cov yam ntxwv hluav taws xob | ||||
| Hla ntu MM² | Hlau Hlau | Qhov dav | Rwb thaiv tsev tsis kawg Thickness | Rwb thaiv tsev sab nraud uas | Cov txheej me me tsawg | Tiav sab nraud ntawm lub taub | Cov neeg ua yeeb yam tiv thaiv 20 ℃ Ohm / KM |
| 1.5 | 30 / 0.254 | 1.61 | 0.60 | 3.0 | 0.66 | 4.6 | 13.7 |
| 2.5 | 50/254 | 2.07 | 0.60 | 3.6 | 0.66 | 5.2 | 8.21 |
| 4.0 | 57 / 0.30 | 2.62 | 0.61 | 4.05 | 0.66 | 5.6 | 5.09 |
| 6.0 | 84 / 0.30 | 3.50 | 0.62 | 4.8 | 0.66 | 6.4 | 3.39 |
| 10 | 84 / 0.39 | 4.60 | 0.65 | 6.2 | 0.66 | 7.8 | 1.95 |
| 16 | 133 / 0.39 | 5.80 | 0.80 | 7.6 | 0.68 | 9.2 | 1.24 |
| 25 | 210 / 0.39 | 7.30 | 0.92 | 9.5 | 0.70 | 11.5 | 0.795 |
| 35 | 294 / 0.39 | 8.70 | 1.0 | 11.0 | 0.75 | 13.0 | 0.565 |
UL CERTIFIED PV PHV photovoltaic DC Kab Specifications
| Tus coj nkauj | Tshuaj insulator | Daim plhaub | Cov yam ntxwv hluav taws xob | ||||
|
Txawm li | Hlau Hlau | Qhov dav | Rwb thaiv tsev tsis kawg Thickness | Rwb thaiv tsev sab nraud uas | Cov txheej me me tsawg | Tiav sab nraud ntawm lub taub | Cov neeg ua yeeb yam tiv thaiv 20 ℃ Ohm / KM |
| 18 | 16 / 0.254 | 1.18 | 1.52 | 4.3 | 0.76 | 4.6 | 23.2 |
| 16 | 26 / 0.254 | 1.5 | 1.52 | 4.6 | 0.76 | 5.2 | 14.6 |
| 14 | 41 / 0.254 | 1.88 | 1.52 | 5.0 | 0.76 | 6.6 | 8.96 |
| 12 | 65 / 0.254 | 2.36 | 1.52 | 5.45 | 0.76 | 7.1 | 5.64 |
| 10 | 105 / 0.254 | 3.0 | 1.52 | 6.1 | 0.76 | 7.7 | 3.546 |
| 8 | 168 / 0.254 | 4.2 | 1.78 | 7.8 | 0.76 | 9.5 | 2.813 |
| 6 | 266 / 0.254 | 5.4 | 1.78 | 8.8 | 0.76 | 10.5 | 2.23 |
| 4 | 420 / 0.254 | 6.6 | 1.78 | 10.4 | 0.76 | 12.0 | 1.768 |
| 2 | 665 / 0.254 | 8.3 | 1.78 | 12.0 | 0.76 | 14.0 | 1.403 |
| 1 | 836 / 0.254 | 9.4 | 2.28 | 14.0 | 0.76 | 16.2 | 1.113 |
| 1/00 | 1045 / 0.254 | 10.5 | 2.28 | 15.2 | 0.76 | 17.5 | 0.882 |
| 2/00 | 1330 / 0.254 | 11.9 | 2.28 | 16.5 | 0.76 | 19.5 | 0.6996 |
| 3/00 | 1672 / 0.254 | 13.3 | 2.28 | 18.0 | 0.76 | 21.0 | 0.5548 |
| 4/00 | 2109 / 0.254 | 14.9 | 2.28 | 19.5 | 0.76 | 23.0 | 0.4398 |
Xaiv qhov ntsuas DC tau tsim nyog cable yog qhov tseem ceeb rau kev nyab xeeb thiab kev ua haujlwm zoo ntawm lub photovoltaic. Danyang Winpower Hlau & Cable muab ua tiav photovoltaic xaij vab tshaus muab cov kev daws teeb meem thiab ruaj khov ua haujlwm tau lav rau koj lub photovoltaic. Cia peb ua haujlwm ua ke kom ua tiav txoj kev loj hlob ntawm lub zog txuas ntxiv dua thiab pab txhawb rau qhov ua kom muaj kev tiv thaiv ntsuab ib puag ncig! Thov koj xav tiv tauj peb, peb yuav pab koj txoj kev pab koj lub siab!
Lub Sijhawm Post: Kaum-15-2024