Hnub ci zog txuas ntxiv mus nce traction raws li ib qho ntawm cov khoom siv hluav taws xob zoo tshaj plaws thiab ib puag ncig zoo. Lub nraub qaum ntawm txhua lub hnub ci hluav taws xob, los ntawm kev teeb tsa me me rau hauv kev lag luam loj, nyob hauv cov xaim - tshwj xeeb, hnub ci cable thiab hnub ci xaim. Cov khoom siv no yog lub luag haujlwm rau kev xa cov hluav taws xob hluav taws xob uas tsim los ntawm cov hnub ci vaj huam sib luag mus rau inverters, roj teeb cia, thiab daim phiaj hluav taws xob.
Xaiv txoj cai hnub ci cable thiab hnub ci xaim yog qhov tseem ceeb rau kev ua kom muaj kev nyab xeeb, kev ua haujlwm zoo, thiab kev ua haujlwm ntev ntawm lub hnub ci zog. Ib qho lus nug uas tshwm sim thaum tsim thiab kev teeb tsa ntawm lub hnub ci yog hais txog qhov ampacity - uas yog, lub peev xwm nqa tam sim no - ntawm qhov sib txawv cable. Tshwj xeeb, ntau tus neeg xav paub: Puas yog 6 hli hnub ci cable kov 40A?
Hauv tsab xov xwm no, peb yuav teb cov lus nug no thiab tshawb xyuas cov ntsiab lus tseem ceeb uas yuav tsum tau txiav txim siab thaum xaiv lub hnub ci hluav taws xob tsim nyog rau koj lub cev, suav nrog qhov loj, cov khoom siv, rwb thaiv tsev, thiab lwm yam kev xav tseem ceeb.
Dab tsi yog Solar Cable?
Lub hnub ci cable yog ib qho hluav taws xob tshwj xeeb uas tsim los siv rau hauv cov tshuab hluav taws xob hnub ci. Cov kab hluav taws xob no tau tsim los tswj cov kev xav tau tshwj xeeb ntawm lub hnub ci zog, xws li raug ultraviolet (UV) hluav taws xob, kub kub, noo noo, thiab hnav lub cev. Lub luag haujlwm tseem ceeb ntawm lub hnub ci cable yog xa cov hluav taws xob tam sim no los ntawm cov hnub ci vaj huam sib luag mus rau lwm cov khoom siv, xws li inverters, chargers, thiab roj teeb.
Cov kab hluav taws xob hnub ci feem ntau yog tsim los nrog cov khoom siv tooj liab zoo lossis cov khoom siv txhuas kom ntseeg tau tias kev xa hluav taws xob zoo. Lawv tau insulated nrog cov ntaub ntawv ruaj khov, xws li cross-linked polyethylene (XLPE) lossis ethylene tetrafluoroethylene (ETFE), uas muab UV tiv thaiv thiab tiv thaiv ib puag ncig kev ntxhov siab.
Hnub ci cables feem ntau muaj xim-coded (xws li, liab rau qhov zoo thiab dub rau qhov tsis zoo) kom qhia meej polarity thiab txo qhov kev pheej hmoo ntawm kev teeb tsa tsis raug.
Solar Wire yog dab tsi?
Hnub ci xaim yog hais txog ib tus neeg nyob hauv lub hnub ci cable uas ua hluav taws xob tam sim no. Lub luag haujlwm tseem ceeb ntawm cov hlau yog nqa cov hluav taws xob hluav taws xob uas tsim los ntawm cov hnub ci vaj huam sib luag. Hnub ci xaim yog ua los ntawm tooj liab lossis txhuas, thiab lub ntsuas hluav taws xob - lub thickness ntawm cov xaim - yog qhov tseem ceeb hauv kev txiav txim siab tus nqi tam sim no cov hlau tuaj yeem nqa tau zoo.
Cov hlau loj (gauge) plays lub luag haujlwm tseem ceeb hauv kev xaiv lub hnub ci hluav taws xob kom raug. Lub thickness ntawm cov hlau yog ntsuas nyob rau hauv square millimeters (mm²), uas qhia tau hais tias tus ntoo khaub lig-sectional cheeb tsam ntawm cov hlau. Qhov loj ntawm qhov chaw hla ntu, qhov ntau dua ntawm cov hlau tam sim no tuaj yeem ua tau yam tsis muaj cua sov.
6 hli Hnub Ci Cable Li Cas 40A?
Cov lus nug ntawm seb 6 hli hnub ci cable tuaj yeem ua tau 40A (amperes) yog ib qho tseem ceeb, tshwj xeeb tshaj yog thaum tsim lub hnub ci uas yuav ua rau muaj qhov siab ntawm tam sim no. Cov lus teb luv luv yog tias nws nyob ntawm ntau yam, suav nrog cov khoom siv rwb thaiv tsev, qhov kub thiab txias, thiab seb lub cable yog tooj liab lossis txhuas.
1. Tam sim no-Carrying Peev Xwm (Ampacity)
Txhawm rau txiav txim siab yog tias 6 hli hnub ci cable tuaj yeem nqa 40A, peb yuav tsum xub nkag siab txog lub tshuab hluav taws xob cable, uas yog hais txog qhov siab tshaj plaws ntawm tam sim no lub cable tuaj yeem nqa tau yam tsis muaj cua sov. Rau 6mm² solar cable:
Copper conductors: Copper yog ib tug superior conductor ntawm hluav taws xob piv rau txhuas, lub ntsiab lus nws muaj ib tug ntau dua ampacity rau tib qhov loj. Ib qho 6mm² tooj liab hnub ci cable feem ntau tuaj yeem ua haujlwm li ntawm 40 txog 47 amps raws li tus qauv.
Aluminium Conductors: Txawm hais tias aluminium cables tsis tshua muaj hluav taws xob ntau dua tooj liab, lawv tseem tuaj yeem tswj tau qhov tseem ceeb ntawm tam sim no. Lub 6mm² txhuas hnub ci cable tuaj yeem ua haujlwm li 30 txog 35 amps.
Yog li, 6mm² tooj liab hnub ci cable feem ntau muaj peev xwm tuav 40A, tab sis ib qho txhuas version yuav nyob rau qis kawg ntawm qhov ntau yam no.
2. Cov khoom siv rwb thaiv tsev thiab hom
Cov rwb thaiv tsev nyob ib puag ncig ntawm cov xaim cuam tshuam rau cable lub peev xwm nqa tam sim no. Cov kab hluav taws xob hnub ci siv cov ntaub ntawv tshwj xeeb rwb thaiv tsev kom tiv taus qhov kub thiab txias, UV hluav taws xob, thiab ya raws. Cov khoom siv rwb thaiv tsev feem ntau siv hauv cov hnub ci cables yog:
Hla-Txuas Polyethylene (XLPE): XLPE rwb thaiv tsev paub txog nws qhov kub thiab txias, feem ntau mus txog 90 degree lossis siab dua. Qhov no txhais tau hais tias lub cable tuaj yeem nqa tam sim no ntau dua ntawm qhov kub siab dua yam tsis muaj kev pheej hmoo ntawm overheating.
Ethylene Tetrafluoroethylene (ETFE): ETFE yog lwm cov khoom siv hluav taws xob zoo siv hauv cov hnub ci cables. Nws muaj kev tiv thaiv zoo heev rau UV hluav taws xob thiab kub kub, ua rau nws zoo tagnrho rau kev siv sab nraum zoov.
Cov khoom siv rwb thaiv tsev qhov ntsuas qhov ntsuas kub txiav txim siab npaum li cas tam sim no lub cable tuaj yeem nqa tau ntawm qhov ntsuas kub. Piv txwv li, a 6mm 2 m² hnub ci cable nrog XLPE rwb thaiv tsev yuav muaj qhov muaj zog dua nyob rau hauv qhov chaw txias dua piv rau ib qho uas tsis muaj rwb thaiv tsev.
3. Ambient Kub
Lub ambient kub - los yog qhov kub nyob ib ncig ntawm lub cable - cuam tshuam nws cov kev ua tau zoo. Kev kub siab dua tuaj yeem txo cov cable muaj peev xwm nqa tam sim no. Cov kab hluav taws xob hnub ci raug ntsuas rau siv nyob rau hauv qhov kub thiab txias, feem ntau ntawm -40 degree mus rau +90 degree .
Yog hais tias lub cable raug kub heev (xws li, 40 degree lossis ntau dua), nws lub peev xwm nqa tam sim no yuav raug txo. Nyob rau hauv cov ntaub ntawv no, nws yuav tsum tau xaiv ib tug thicker cable los yog ua cov kauj ruam los txo qhov kub thiab txias, xws li kev txhim kho cov cables nyob rau hauv ntxoov ntxoo los yog siv thermal tswj cov txheej txheem.
Lwm yam tseem ceeb uas yuav tsum tau xav txog thaum xaiv hnub ci Cable thiab Hnub Ci Hlau
Thaum xaiv ib lub hnub ci cable lossis hnub ci xaim rau koj lub hnub ci vaj huam sib luag, muaj ob peb lwm yam tseem ceeb uas yuav tsum tau xav txog kom ntseeg tau tias lub cable zoo thiab nyab xeeb:
1. Qhov System Voltage
Lub tshuab hluav taws xob hnub ci feem ntau ua haujlwm ntawm qhov tsis tshua muaj hluav taws xob (xws li 12V, 24V, 48V) lossis siab dua voltages (piv txwv li, 600V, 1000V, lossis 1500V rau kev lag luam loj). Qhov ntsuas hluav taws xob ntawm lub cable yuav tsum phim lossis tshaj qhov voltage ntawm koj lub cev. Cov tshuab hluav taws xob siab dua feem ntau xav tau cov cables nrog cov rwb thaiv tsev tuab, uas tuaj yeem cuam tshuam rau lub peev xwm nqa tam sim no.
Ib qho 6mm² cable feem ntau haum rau cov vaj tsev nyob hauv lub hnub ci ua haujlwm ntawm qhov hluav taws xob txog li 600V. Txawm li cas los xij, rau cov tshuab uas muaj qhov hluav taws xob siab dua 600V, koj yuav xav tau cov kab hluav taws xob ntsuas rau cov hluav taws xob ntau dua.
2. Cable Length thiab Voltage poob
Qhov ntev ntawm lub hnub ci cable kuj cuam tshuam rau lub cev kev ua haujlwm. Raws li qhov ntev ntawm lub cable nce, qhov hluav taws xob tsis kam nce, ua rau lub zog poob. Qhov no tuaj yeem ua rau lub zog poob thiab txo qis kev ua haujlwm. Qhov ntev ntawm qhov kev ncua deb ntawm lub hnub ci vaj huam sib luag thiab lub inverter lossis lub roj teeb cia, qhov loj dua qhov ntsuas hluav taws xob yuav tsum tau ua kom txo qis voltage.
Rau qhov luv luv (tsawg dua 10 meters), 6mm² hnub ci cable yuav tsum txaus rau 40A load. Txawm li cas los xij, rau qhov kev ncua ntev (ntau dua 10 meters), lub thickness ntawm cable (piv txwv li, 10mm²) yuav tsim nyog los txo qhov voltage poob thiab tswj kev ua haujlwm zoo.
3. Kev xav txog kev nyab xeeb
Kev nyab xeeb yog ib qho tseem ceeb ntawm kev teeb tsa hluav taws xob. Cov kab hluav taws xob hnub ci yuav tsum raug ntsuas rau qhov xav tau hluav taws xob thauj khoom kom tsis txhob muaj cua sov thiab muaj peev xwm hluav taws kub. Cov kab hluav taws xob ntau dhau tuaj yeem ua rau muaj kev nyab xeeb tseem ceeb, suav nrog kev tawg ntawm cov rwb thaiv tsev, hluav taws xob hluav taws xob, thiab kev ua haujlwm tsis ua haujlwm.
Nco ntsoov xyuas kom meej tias lub hnub ci cable xaiv tau muaj kev nyab xeeb ua haujlwm raws li qhov xav tau tam sim no, nrog rau kev nyab xeeb. Rau 40A load, siv 6mm² tooj liab hnub ci cable nrog cov rwb thaiv tsev zoo thiab kev teeb tsa kom zoo yuav ua kom muaj kev nyab xeeb.
4. UV Resistance thiab Durability
Raws li cov tshuab hnub ci feem ntau tau teeb tsa sab nraum zoov, cov kab hluav taws xob raug cuam tshuam rau ib puag ncig hnyav, suav nrog UV hluav taws xob, noo noo, thiab kub hloov pauv. Xaiv UV-resistant solar cables xyuas kom meej tias cov hlau yuav tsis degrade sai thaum raug tshav ntuj, uas tuaj yeem ua rau luv luv lub neej ntawm cable.
5. Cov ntawv pov thawj
Thaum xaiv cov kab hluav taws xob hnub ci, nco ntsoov xyuas cov ntawv pov thawj cuam tshuam kom ntseeg tau tias cov cable ua tau raws li kev nyab xeeb thiab cov qauv kev ua haujlwm. Cov ntawv pov thawj tshaj plaws rau hnub ci cables yog TÜV (Technischer Überwachungsverein), tus qauv German uas ua kom cov cables ua tau raws li kev cai thoob ntiaj teb thiab kev nyab xeeb. TÜV-certified cables muab kev lees paub tias lawv tsim nyog rau kev siv hauv lub hnub ci, muab kev ua haujlwm ntev, UV tsis kam, thiab kev ua haujlwm kub.