Product Overview
8 AWG PV Hlau yog thawj kauj ruam los ntawm cov qauv hauv tsev thaum lub hnub ci project xav tau ntau lub peev xwm tam sim no lossis ntev dua DC hauv tsev. Cov npe nyob rau hauv UL 4703, nws muab kwv yees li 50% ntau dua ampacity tshaj 10 AWG, txaus los tuav ntau dua - tso zis hlua teeb tsa, ntev lub ru tsev - mus rau - inverter nrug, thiab hom conduit sau cov xwm txheej uas thawb 10 AWG yav dhau los nws cov kev ua haujlwm zoo.
Nws zaum ntawm qhov chaw hloov pauv ntawm thaj chaw nyob -chaw thaiv kab thiab cov khoom hnyav dua siv hauv kev lag luam DC sau. Rau installers, nws yog cov hlau uas lawv rub thaum 10 AWG tsis txaus tab sis 6 AWG yuav overkill.
Specifications
|
Parameter |
Specification |
|
Hlau Gauge |
8 AWG |
|
Tus coj |
Stranded tinned tooj liab |
|
Kev ntsuas hluav taws xob |
600V / 1000V / 2000V DC |
|
Rwb thaiv tsev |
Hla -txuas polyethylene |
|
Kev ntsuas kub |
90℃ntub, 150℃qhuav |
|
Sunlight Resistance |
Hnub ci tiv taus |
|
Ampacity (90 degree) |
~55A |
|
Jacket |
Ib - txheej XLPE rwb thaiv tsev |
|
Cov npe |
TIAB SA 4703 |
|
NEC siv |
PV qhov chaw circuits, PV output circuits |
|
Xim |
Dub, liab, los yog kev cai |
Core siv
Siab dua -Cov kab hluav taws xob tam sim no
Raws li vaj huam sib luag wattage thiab hlua tam sim no tseem nce ntxiv, qee qhov chaw nyob thiab kev lag luam txoj hlua teeb tsa tau dhau los ntawm qhov chaw uas 10 AWG muab cov npoo txaus tom qab NEC 690.8 kho. 8 AWG absorbs qhov nce no yam tsis tas yuav dhia mus rau qhov hnyav dua 6 AWG tus neeg xyuas pib.
Extended DC Home Runs
Lub tsev khiav ntawm lub ru tsev array mus rau lub inverter los yog lub ntsiab DC disconnect feem ntau yog ib txoj kab ntev tshaj plaws nyob rau hauv ib qho chaw nyob lossis kev lag luam me. Thaum qhov kev ncua deb tshaj li qhov 10 AWG ua haujlwm nyob rau hauv qhov lees txais qhov hluav taws xob poob, 8 AWG muab qhov kev tiv thaiv qis dua uas yuav tsum tau ua kom poob hauv kev kuaj xyuas.
Conduit Fill thiab Derating Situations
Thaum ntau lub PV circuits sib koom ua ke, NEC derating yam cuam tshuam txo qhov tso cai ampacity ntawm txhua tus neeg xyuas pib. 8 AWG muab cov neeg teeb tsa ntau lub taub hau hauv cov xwm txheej no, tswj hwm cov cai- ua raws ampacity txawm tias tom qab siv derating.
Daim ntawv thov Scenario
Cov Txheej Txheem Loj Loj (10-20 kW)
Raws li cov tsev nyob qhov loj hlob tau tsav los ntawm EV them, kev siv cov twj tso kua mis kub, thiab cov roj teeb cia, cov hlua tam sim no thiab tag nrho DC tso zis nce raws li . 8 AWG hlau tuav lub siab dua tam sim no ntawm cov chaw nyob loj dua thiab muab cov hluav taws xob zoo dua nyob rau hauv lub tsev ntev dua uas cov tshuab loj dua feem ntau xav tau.
Kev lag luam Rooftop String Wiring
Hauv kev lag luam ru tsev, txoj hlua tam sim no tuaj yeem ua haujlwm siab dua li cov qauv hauv tsev vim kev xaiv cov qauv sib txawv thiab cov hlua sizing . 8 AWG xaim ua txoj hlua - theem tus neeg xyuas pib hauv cov tshuab no, muab cov ampacity xav tau rau kev lag luam - qib txoj hlua teeb tsa thaum uas tseem muaj peev xwm tswj tau rau cov neeg ua haujlwm hauv ru tsev.
Hauv av -Mounted Array Wiring
Hauv av-mounted systems uas qhov kev ncua deb ntawm lub array mus rau lub combiner los yog inverter ncoo yog ib qho tseem ceeb, 8 AWG xaim txo voltage poob nyob rau hauv lub khiav. Nws yog feem ntau siv rau txoj hlua - theem thiab luv luv sau - theem circuits hauv me me mus rau nruab nrab hauv av- mounted tej yaam num.
Multi-Circuit Conduit Runs
Thaum tsim txoj haujlwm tsim ntau yam PV circuits los ntawm kev sib koom ua ke uas muaj nyob rau hauv cov tsev lag luam nrog cov chav hluav taws xob hauv nruab nrab, 8 AWG muab cov ampacity ntxiv uas yuav tsum tau ua kom txaus siab rau NEC conduit sau derating yuav tsum tsis muaj oversizing rau 6 AWG.
Xaiv Phau Ntawv Qhia
Xaiv 8 AWG PV Wire thaum 10 AWG poob luv ntawm ampacity, voltage poob, los yog conduit derating margin. Common triggers muaj xws li:
- Txoj hlua tam sim no tshaj 30A tom qab NEC 690.8 kho qhov tseem ceeb
- Kev khiav hauv tsev nyob deb ua rau muaj kev txhawj xeeb txog kev poob siab nrog 10 AWG
- Ntau lub voj voog sib koom ua ke thiab derating txo 10 AWG ampacity hauv qab qib uas xav tau
- Kev tsim qauv siv ntau dua - cov zis modules nrog cov hlua siab tam sim no
Yog tias lub Circuit Court xav tau ntau lub peev xwm, cov kab sib sau hnyav, nyob deb heev, lossis siab -cov khoom siv tam sim no, 6 AWG yog cov kauj ruam tom ntej.
Cov qauv siv tau
8 AWG PV Hlau yog tsim thiab kuaj raws li:
- UL 4703 - Photovoltaic Hlau
- NEC Tshooj 690 - Hnub Ci Photovoltaic Systems
- UL 854 - Kev Pabcuam -Cab Kab
- CSA C22.2 - Cov qauv kev nyab xeeb hluav taws xob Canadian
Cim npe nrov: 8 awg pv hlau, Tuam Tshoj 8 awg pv hlau manufacturers, lwm tus neeg, Hoobkas
