2021-01-14 IB
Nrog kev txhim kho txuas ntxiv ntawm kev lag luam hauv photovoltaic, qhov kev thov rauphotovoltaic hlws ris boxthiabcov khoom sib txuastxuas ntxiv mus.Txawm li cas los xij, vim tias tus nqi qis thiab qhov "tsis pom tseeb" ua haujlwm, qhov zoo ntawm cov thawv sib txuas thiab cov khoom sib txuas tau raug hloov, uas ua rau muaj kev tsis sib haum xeeb thiab raug xwm txheej ntawm lub hnub ci photovoltaic fais fab kev tsim thiab qhov system.Cov teeb meem nrog cov khoom sib txuas tau maj mam nthuav tawm, yog li cov neeg yuav khoom thiab cov chaw tsim khoom tau pib paub txog qhov tseem ceeb ntawm cov khoom zoo.
Nrog rau kev poob sai ntawm tus nqi ntawm cov khoom siv hluav taws xob photovoltaic, tus nqi ntawm tsev neeg photovoltaic installation yog kwv yees li 6 yuan / W.Nyob rau hauv lub neej yav tom ntej, nws cia siab tias yuav muaj 10% -15% tus nqi txo txhua xyoo.Nyob rau tib lub sijhawm, xyoo 2020, feem ntau thaj chaw hauv Suav teb yuav ua tiav kev sib luag hauv Is Taws Nem, uas tseem yog qhov tseem ceeb sab hauv rau kev loj hlob sai ntawm tsev neeg photovoltaics.
Kev txo qis ntawm cov nqi hluav taws xob ib kilowatt-teev, hloov pauv hloov pauv hauv Internet, thiab txoj cai nyiaj txiag ruaj khov yog qhov tseem ceeb lav rau cov tsev neeg photovoltaics kom nkag mus rau hauv cov tsev ntawm cov neeg zoo tib yam li cov khoom siv + peev khoom.
Txawm li cas los xij, nrog kev loj hlob sai ntawm kev teeb tsa muaj peev xwm hauv kev lag luam hauv tsev thiab txawv teb chaws photovoltaic hauv xyoo tas los no, kev pheej hmoo zoo yog nyob txhua qhov chaw.Yuav ua li cas kom muaj kev nyab xeeb thiab txhim khu kev qha ntawm tsev neeg photovoltaic systems tau dhau los ua ib qho kev txhawj xeeb tshaj plaws hauv kev lag luam photovoltaic.
Raws li Ling Zhimin, CEO ntawm Phenergy Technology Co., Ltd., "Qhov tawg ntawm cov khoom siv hauv tsev hauv 2016 thiab 2017 yog qhov hnyav heev thiab nrawm heev.Qhov no yog thawj nthwv dej ntawm txoj kev loj hlob ntawm Tuam Tshoj txoj kev faib photovoltaic.Nrog rau kev txhim kho lub peev xwm Ntau thiab ntau dua, ntau yam teeb meem xws li hluav taws kub, cov neeg siv tsis txaus siab, thiab kev qiv nyiaj yuav maj mam tshwm sim.Tom ntej no, faib cov photovoltaics yuav nkag mus rau theem ob ntawm kev nyab xeeb thiab kev txawj ntse. "
Daim ntawv ntsuam xyuas qhia tau hais tias nyob rau hauv tag nrho cov fais fab chaw nres tsheb faults thiab xwm txheej, cov xwm txheej tshwm sim los ntawm junction boxes thiab connectors account rau ntau tshaj 30%, thiab junction box diode breakdown account rau ntau tshaj li 65% ntawm junction box thiab connector xwm txheej.
Raws li cov kws tshaj lij hauv kev lag luam, noj cov khoom siv hnub ci ua piv txwv, vim lawv qhov me me thiab tus nqi suav nrog tsawg dua 1% ntawm tag nrho cov nqi ntawm cov tshuab photovoltaic, lawv feem ntau tsis quav ntsej los ntawm cov neeg tsim khoom thiab cov neeg siv.
Cheng Ziyu, tus thawj coj ntawm TÜV Rheinland Shanghai lub hnub ci tivthaiv ntse lub thawv ua lag luam, tau hais tias thaum txhua tus neeg tsom mus rau hotspots xws li roj teeb tshuab thiab kev hloov pauv hloov pauv hloov pauv, lawv feem ntau saib xyuas qee qhov me me tab sis qhov tseem ceeb ntawm hnub ci zog.Cheebtsam, ua rau lub roj teeb zoo thiab cov khoom siv zoo tsis tuaj yeem siv tau zoo, thiab txawm tias ua rau muaj kev puas tsuaj thaum siv.
Tsis tas li ntawd, feem ntau ntawm cov tuam txhab txuas hauv tsev tsis muaj kev tshawb fawb ywj pheej thiab kev tsim kho, thiab cov chaw nres tsheb fais fab tsis muaj kev saib xyuas txaus thiab kev soj ntsuam zoo, ua rau muaj ntau yam teeb meem tshwm sim thaum siv tam sim no ntawm cov khoom sib txuas, xws li kev tiv thaiv kev tiv thaiv, lub plhaub sab nraud. deformation, arcing hluav taws nyob rau hauv kev twb kev txuas, los yog txawm melting thiab hlawv.Nws tsis tsuas yog cuam tshuam rau kev ua haujlwm ntawm cov chaw siv hluav taws xob photovoltaic xwb, tab sis kuj ua rau muaj kev puas tsuaj thiab kev puas tsuaj loj heev.
Raws li Dr. Zhimin Ling: "Nyob rau hauv ib txoj hlua ib txwm siv, cov qauv tau teem rau hauv ib qho array nrog DC high voltage ntawm 600V-1000V.Lub kaw lus khiav tau ntau xyoo, thiab cov hluav taws xob rwb thaiv tsev yog raug tom qab corrosion, uas yooj yim heev los tsim DC arcs thiab ua rau hluav taws kub.Thaum hluav taws tshwm sim, ntawm DC sab, tsuav yog muaj lub teeb, yuav muaj hluav taws xob siab, thiab cov neeg tua hluav taws tsis tuaj yeem tua hluav taws ncaj qha. "
Raws li cov txheej txheem photovoltaic raug cua, los nag, scorching lub hnub thiab huab cua hloov mus ntev, cov khoom sib txuas yuav tsum tuaj yeem hloov kho rau cov cheeb tsam hnyav, yog li lawv yuav tsum tsis tsuas yog dej tsis zoo, kub resistant thiab huab cua-resistant. ultraviolet rays, tab sis kuj kov tiv thaiv thiab siab load Flow muaj peev xwm thiab high efficiency.
Cov khoom siv hluav taws xob photovoltaic xav tau lub neej ntev ntawm tsawg kawg 25 xyoo, thiab lub thawv photovoltaic junction box yog ib qho tseem ceeb ntawm photovoltaic modules, uas ua lub luag haujlwm tseem ceeb hauv lub sijhawm ntev, muaj kev nyab xeeb thiab muaj txiaj ntsig zoo ntawm cov khoom siv hluav taws xob.
Luo Jiuwei, tus thawj coj ntawm Shenzhen Ruihexiang Technology Co., Ltd., kuj tau qhia tib yam kev pom thiab hu rau kev lag luam los txhim kho cov khoom zoo."Peb ua lag luam nrog qhov zoo, vim tias photovoltaics yuav siv sijhawm 20 xyoo los siv, yog li cov khoom lag luam tseem ceeb heev.Txawm li cas los xij, muaj cov khoom lag luam siab thiab qis qis hauv kev ua lag luam, thiab qee cov tuam txhab lag luam muaj kev ntshaw rau pheej yig thiab tsis quav ntsej qhov zoo.Qhov no yeej tsis ua tau.Peb yuav tsum muaj sia nyob los ntawm qhov zoo. "
Photovoltaic connectors yog cov nodes rau lub zog kis tau tus mob.Cov nodes yuav ua kom sov thaum lub zog dhau mus, uas yog ib txwm siv zog.Cov kev ntsuas tseem ceeb rau qhov zoo ntawm photovoltaic connectors yog "kev tiv thaiv ntawm txiv neej thiab poj niam connectors tom qab mating".Lub connector zoo yuav tsum muaj kev tiv thaiv qis heev, txo qhov kev poob qis, thiab muaj peev xwm ruaj khov kom muaj kev sib cuag tsis zoo thoob plaws hauv lub neej, uas yog, qhov nruab nrab tiv thaiv qis.
Raws li cov lus ceeb toom, kev tiv thaiv kev tiv thaiv ntawm cov khoom siv hluav taws xob zoo photovoltaic yog qhov ruaj khov, uas feem ntau yog siv los ntawm kev siv hluav taws xob sib txuas.Inferior connectors yog ntxhib thiab tsis sib npaug sab hauv thiab muaj cov ntsiab lus sib cuag tsawg, uas ua rau muaj kev tiv thaiv ntau dhau los ua rau lub thawv sib txuas, uas ua rau kub hnyiab cov khoom siv rov qab thiab ua rau cov khoom tawg.Thawj qhov kev tiv thaiv tus nqi ntawm cov khoom sib txuas yog nyob ntawm cov khoom xaiv, cov qauv tsim thiab seb nws puas muaj cov cuab yeej siv hluav taws xob sib txuas.Qhov nominal pib tiv thaiv ntawm Stäubli MC4 yog 0.35mΩ, uas yog tus nqi siab tshaj plaws.Raws li cov khoom no ib leeg, MC4 coj nce ntau txhiab yuan hauv cov nyiaj tau los rau cov tswv ib MW txhua xyoo.
Raws li qhov tseeb thoob ntiaj teb tus qauv IEC 62852 rau photovoltaic connectors, kev tiv thaiv ntawm txiv neej thiab poj niam connectors tom qab raug kuaj los ntawm TC200 + DH1000 tsis tuaj yeem nce ntau tshaj 5 mΩ lossis qhov kawg tus nqi tiv thaiv tsawg dua 150% ntawm tus nqi pib.Qhov no tsuas yog qhov yuav tsum tau ua tsawg kawg nkaus, thiab kev tiv thaiv kev sib cuag ntawm cov tuam txhab sib txawv ntawm cov khoom sib txuas nyob ntawm cov chaw tsim khoom cov txheej txheem.
Txoj kev loj hlob zoo ntawm photovoltaic connector kev ua lag luam yuav tsum muaj kev sib koom ua ke ntawm tag nrho cov kev lag luam kom tshem tawm cov khoom tsis zoo sai li sai tau thiab tuav ib puag ncig rau kev noj qab haus huv ntawm kev lag luam.
Tam sim no, qhov teeb meem tseem ceeb ntawm ntau lub tuam txhab photovoltaic connector tseem zoo, thiab yog tias nws raug tso cai los tsim, cov khoom tsis zoo ntawm qee cov tuam txhab yuav cuam tshuam rau lub koob npe nrov ntawm tag nrho Suav photovoltaic connector kev lag luam.Raws li qhov tshwm sim, cov neeg siv khoom muaj qhov tsis ntseeg siab ntawm cov khoom siv hluav taws xob photovoltaic ua nyob rau hauv Suav teb.
Tuam Tshoj Zoo Certification Center ib zaug hu rau, txhawm rau xyuas kom meej qhov zoo ntawm AC connectors rau photovoltaic systems hauv kuv lub teb chaws, tshem tawm cov unevenness ntawm cov khoom nyob rau hauv lub lag luam, ntxiv txhim kho kev ruaj ntseg kev ua tau zoo ntawm inverters, photovoltaic systems thiab photovoltaic fais fab nroj tsuag, thiab standardize zus tau tej cov connector tuam txhab uas muag.Txhawm rau txhawb kev txhim kho kev noj qab haus huv ntawm kev lag luam photovoltaic, nws yog ib qho tsim nyog los tsim cov qauv sib xws hauv lub tebchaws lossis cov kev qhia tshwj xeeb.
Kev sib koom ua ke ntawm cov khoom sib txuas ntawm cov hom sib txawv kuj yog ib qho teeb meem loj heev hauv daim ntawv thov ntawm photovoltaic connectors.Raws li tsab ntawv ceeb toom kev tshawb fawb txawv teb chaws, kev sib xyaw ntawm cov khoom sib txuas thiab cov khoom sib txuas tsis tu ncua tau ua rau thawj thiab thib peb ua rau hluav taws.
Ib txwm muaj teeb meem hauv kev lag luam photovoltaic connector, uas yog, kev sib xyaw siv ntau yam khoom sib txuas thiab kev sib txuas ntawm cov khoom sib txuas ntawm ntau hom.Qhov tshwm sim no tshwm sim hauv kev lag luam hauv tsev thiab txawv teb chaws.Feem ntau cov tswv thiab EPC tuam txhab uas muag paub me ntsis txog qhov sib txuam ntawm cov khoom sib txuas.
Txawm li cas los xij, qhov tshwj xeeb, qhov ntev thiab qhov ntev ntawm cov khoom sib txuas ntawm cov tuam txhab sib txawv tsis sib xws thiab tsis tuaj yeem ua tiav tag nrho.Tom qab ob lub connectors yog ntsaws, cov conductors siv rau hluav taws xob kev twb kev txuas ntawm ob connectors yog nyob rau hauv kev sib cuag tsis zoo, ua rau muaj kev twb kev txuas tsis ua hauj lwm.
Hong Weigang, Tus Thawj Coj ntawm Lub Tsev Haujlwm Saib Xyuas Khoom Siv Hluav Taws Xob Hluav Taws Xob ntawm Stäubli (Hangzhou) Precision Machinery Electronics Co., Ltd., tau hais tias: "Cov khoom sib txuas los ntawm cov tuam txhab sib txawv muaj cov txheej txheem tsim khoom sib txawv, cov qauv tsim, thiab cov khoom siv raw.Cov teeb meem cuam tshuam los ntawm kev sib txuas ntawm cov khoom sib txuas muaj xws li kev tiv thaiv kev tiv thaiv, hluav taws kub ntawm lub connector, hluav taws kub ntawm lub connector, burnout ntawm lub connector, lub hwj chim tsis ua hauj lwm ntawm cov hlua Cheebtsam, tsis ua hauj lwm ntawm lub hlws ris lub thawv, thiab to ntawm cov khoom, uas tej zaum yuav ua rau lub kaw lus tsis ua hauj lwm ib txwm.Cov txiaj ntsig kev lag luam ntawm lub chaw nres tsheb fais fab yog li kev cuam tshuam.Yog tias cov khoom siv los ntawm tib lub chaw tsim khoom siv, qhov kev pheej hmoo no yuav raug tswj nyob rau hauv ntau yam tswj tau.“
An Chao, tus thawj coj ua lag luam ntawm cov chaw tsim hluav taws xob photovoltaic thiab cov tshuab rau TÜV Rheinland Solar Services, tau hais tias cov khoom siv hnub ci yuav tsum tau them nyiaj rau cov teeb meem kev sib raug zoo.Qhov teeb meem no tau raug tsa los ntawm cov koom haum kuaj thib peb tau ntau xyoo.Yog li ntawd, cov connectors yuav tsum tsis txhob tov thaum lub sij hawm installation ntawm photovoltaic fais fab nroj tsuag.
Hauv qhov no, cov koom haum soj ntsuam kev tso cai TUV thiab UL muaj ob qho tib si sau cov lus hais tias lawv tsis txhawb kev sib xyaw cov ntawv thov sib txuas ntawm cov khoom sib txawv.Hauv tebchaws Australia, tsoomfwv tau sau cov cai rau kev tsim kho lub chaw nres tsheb fais fab kom siv cov khoom sib txuas los ntawm tib lub chaw tsim khoom hauv cov kev cai kom tsis txhob muaj kev pheej hmoo.Tab sis nyob rau hauv peb lub teb chaws, tsis muaj cov qauv tsim nyog tau muab tso rau hauv kev lag luam.
Hauv xyoo 2013, Tuam Tshoj Cov Ntawv Pov Thawj Zoo tau hais tias nrog kev siv dav dav ntawm micro-inverters hauv photovoltaic systems yav tom ntej, ntau thiab ntau dua photovoltaic AC connectors yuav muab tso rau hauv kev ua lag luam.Qhov zoo ntawm AC connector yog ncaj qha ntsig txog kev nyab xeeb ntawm lub inverter thiab tag nrho photovoltaic system.Txog tam sim no, vim tias Tuam Tshoj tsis muaj cov qauv kev lag luam hauv lub tebchaws thiab cov qauv kev lag luam, thiab tsis muaj qhov tsim nyog cov txheej txheem, inverter manufacturers xaiv kim AC connectors uas ua tau raws li cov kev cai ntawm txawv teb chaws photovoltaic khoom thaum exporting.Txawm li cas los xij, hauv Suav teb, cov khoom siv hluav taws xob tsis zoo AC tau siv, uas ua rau muaj kev phom sij rau kev nyab xeeb hauv tsev inverters, tus kheej photovoltaic systems, thiab txawm tias tag nrho photovoltaic fais fab nroj tsuag.
Hong Weigang tau hais tias: "Muaj ntau lub tuam txhab tsim khoom hauv tsev, thiab lawv muaj cov khoom lag luam loj thiab ruaj khov ntawm cov khoom siv raw, cov thawv sib txuas, cov khoom sib txuas, cables, thiab lwm yam. Vim tias tsis muaj kev sib pauv hauv kev lag luam, tsis muaj kev sib piv ntawm cov khoom sib txuas. , thiab qhov tsis muaj cov qauv Kev Paub Txog tau ua rau qee qhov kev nkag siab tsis zoo hauv lub tuam txhab kev xaav ntawm cov khoom sib txuas.Tsis tas li ntawd, kev cob qhia cov neeg ua haujlwm installation tsis txaus.Nyob rau hauv lub installation, lub hom yog chaotic.“
Yog tias qhov txuas tsis ua haujlwm, nws yuav ua rau cov nqi khiav lag luam thiab kev saib xyuas, suav nrog kev poob ntawm lub zog hluav taws xob, cov khoom seem, cov nqi ua haujlwm thiab kev pheej hmoo ntawm kev nyab xeeb.
Tam sim no, kev lag luam photovoltaic faib yog kub heev, thiab nws ntseeg tau tias ntau tus neeg nyob hauv lossis cov tsev lag luam thiab kev lag luam yuav tau nruab nrog cov tshuab photovoltaic yav tom ntej.Thiab yog tias cov khoom sib txuas ntawm cov tshuab no ua tsis tiav, nws qhov kev daws teeb meem thiab kev hloov pauv yuav yog ib qho kev sib tw ntau dua rau cov neeg ua haujlwm thiab kev saib xyuas: thawj zaug, qhov nyuaj yog qhov siab, thiab qhov thib ob yog qhov kev pheej hmoo ntawm kev nyab xeeb ntawm tus kheej.Cov xwm txheej hnyav, xws li hluav taws kub, yuav ua rau muaj kev lag luam thiab lub koob npe nrov rau tus tswv.Cov no yog cov xwm txheej uas txhua tus tsis xav pom.
Txawm hais tias lub photovoltaic connector me me, yog tias tus qauv raug xaiv kom raug, nws tseem tuaj yeem yog "me me thiab zoo nkauj", uas yuav ua rau muaj txiaj ntsig loj rau tus tswv.Ntawm qhov tsis sib xws, nws yuav dhau los ua qhov teeb meem thorny hauv kev ua haujlwm ntawm lub chaw nres tsheb fais fab, thiab yuav nyiag ntau tus tswv cov nyiaj tau los tsis pom thiab maj mam.
Niaj hnub no, cov tuam txhab tsim hluav taws xob photovoltaic tau paub txog qhov tseem ceeb ntawm cov khoom sib txuas.Hong Weigang ntseeg tias: "Kev lag luam photovoltaic tau tsim nyob rau hauv peb lub teb chaws tau ntau xyoo.Los ntawm 3-5 xyoos ntawm daim ntawv thov, cov chaw nres tsheb fais fab tau maj mam xav txog ntau yam teeb meem.Cov neeg siv khoom tuaj yeem kawm cov ntaub ntawv khoom lag luam los ntawm ntau txoj hauv kev, thiab maj mam paub txog qhov tseem ceeb ntawm cov khoom sib txuas.”
Txhawm rau kom ntseeg tau lub Hoobkas zoo ntawm cov khoom siv hluav taws xob photovoltaic, cov chaw tsim khoom sib txuas muab cov kev ruaj ntseg zoo sib xws rau lawv tus kheej cov khoom sib txuas.
Shenzhen Ruihexiang Technology Co., Ltd. muab qhov tseem ceeb ntawm kev tswj cov khoom siv raw.Lawv hais tias: “Lub hnub ci txuas siv cov yas dub, cov khoom siv no tseem ceeb heev.Txij li thaum nws yuav siv sab nraum zoov rau 25 xyoo, cov khoom siv tsis tuaj yeem ua tau raws li qhov yuav tsum tau ua.Peb tsuas yog xyuas cov ntaub ntawv.Qhov tseem ceeb thib ob yog cov txheej txheem tsim khoom.Tom qab ntawd muaj kev cob qhia ntawm installers. "
Huachuan tau hais txog cov khoom pov thawj thiab kev sim: "Txhua yam khoom siv hluav taws xob photovoltaic tsim los ntawm Zerun tau dhau TÜV Rheinland ntawv pov thawj, thiab peb kuj tau ua nruj tswj hwm hauv lub tuam txhab.Piv txwv li, kev kuaj kev laus ntawm peb cov khoom yuav tsum muaj tsawg kawg yog ob zaug ntawm IEC tus qauv.Nws tseem yog 3 zaug lossis siab dua. "
Dongguan Slocable Photovoltaic Technology Co., Ltd.hais txog cov kev paub dhau los thiab kev nqis peev hauv R & D thiab kev tsim khoom: "Ua ntej, peb tau ua cov khoom siv hluav taws xob photovoltaic los ntawm 2008 txog tam sim no, thiab muaj ntau tshaj kaum xyoo ntawm R&D thiab kev tsim khoom.Qhov thib ob, peb muaj lub chaw kuaj xyuas photovoltaic txuas peb tus kheej.Txhawm rau kom ntseeg tau tias cov khoom lag luam zoo, txhua yam khoom yuav raug kuaj thiab sim ntau zaus ua ntej tawm hauv lub Hoobkas los muab kev ruaj ntseg lav rau cov khoom sib txuas.Ntxiv mus, tag nrho peb cov khoom photovoltaic muajdaim ntawv pov thawj guaranteesthiab tau dhau TUV ntawv pov thawj, CE daim ntawv pov thawj thiab qib siab tshaj dej tsis zoo IP68 ntawv pov thawj thiab lwm yam. "
Raws li Hong Weigang, Stäubli tau tsim nws tus kheej thev naus laus zis hauv kev ruaj ntseg zoo."Lub tshuab tseem ceeb no yog lub pluaj hu rau tus ntiv tes (MULTILAM thev naus laus zis).Cov cuab yeej no ntxiv ib qho tshwj xeeb hlau shrapnel zoo li lub pluaj ntawm tus txiv neej thiab poj niam connectors ntawm lub connector los hloov tus thawj irregular contact nto thiab ua rau kom muaj kev sib cuag zoo heev.Thaj chaw, tsim ib qho kev sib txuas sib txuas, nrog lub peev xwm nqa tam sim no, tsawg kawg lub zog poob thiab tiv thaiv kev tiv thaiv, cuam tshuam tsis kam, tiv thaiv corrosion thiab kub kub, thiab tuaj yeem tswj tau qhov kev ua tau zoo rau lub sijhawm ntev. "
| Rated Tam sim no: | 50 A |
| Rated voltage: | 1000V / 1500V DC |
| Daim ntawv pov thawj: | IEC62852 TUV, CE, ISO |
| Cov khoom siv rwb thaiv tsev: | PPO |
| Cov ntaub ntawv tiv tauj: | Tooj, Tin plated |
| Waterproof kev tiv thaiv: | IP68 |
| Tiv tauj Resistance: | <0.5mΩ |
| Ambient Kub: | -40 ℃ ~ + 85 ℃ |
| Flame Class: | UL94-V0 |
| Haum Cable: | 2.5-6mm2 (14-10AWG) |
Dongguan Slocable Photovoltaic Technology Co., Ltd.
Ntxiv: Guangda Manufacturing Hongmei Science thiab Technology Park, No. 9-2, Hongmei Section, Wangsha Road, Hongmei Town, Dongguan, Guangdong, Suav teb
TEL: 0769-22010201
