Thaum nws los txog rau kev nyab xeeb thiab txhim khu kev lag luam ntawm lub hnub ci zog,hnub ci cables(los yog cov xov hluav taws xob hnub ci) ua lub luag haujlwm tseem ceeb hauv kev xa hluav taws xob los ntawm lub hnub ci vaj huam sib luag mus rau lwm yam khoom xws li inverter, roj teeb cia, thiab daim phiaj hluav taws xob. Cov cables no yuav tsum tiv taus ntau yam ntawm ib puag ncig thiab kev ntxhov siab, suav nrog kev hloov pauv ntawm qhov kub thiab txias, hnav lub cev, noo noo, thiab, ntawm chav kawm, hluav taws kub.
Hauv tsab xov xwm no, peb yuav tshawb txog qhov hluav taws kub tsis kam ntawmhnub ci cables, dab tsi ua rau cov cables tiv taus hluav taws, yuav ua li cas lawv ua rau muaj kev nyab xeeb ntawm lub hnub ci hluav taws xob, thiab cov qauv uas lawv yuav tsum tau ua kom muaj kev tiv thaiv zoo tiv thaiv hluav taws.
1. Lub luag hauj lwm ntawm hnub ci Cables nyob rau hauv lub hnub ci fais fab system
Hnub ci cables yog siv los txuas ntau yam khoom siv hauv lub hnub ci hluav taws xob, suav nrog photovoltaic (PV) panels, inverters, thiab roj teeb. Cov cables no yuav tsum thauj hluav taws xob zoo thaum tswj xyuas cov qauv kev nyab xeeb. Raws lihnub ci zog systemsfeem ntau yog ntsia sab nraum zoov, qhov chaw lawv raug tshav ntuj, nag, cua, thiab qhov kub thiab txias, cov cables yuav tsum tau ua kom ntev, hloov tau, thiab, qhov tseem ceeb, hluav taws kub.
Muab hais tias cov tshuab no feem ntau nyob hauv tsev, cov tsev lag luam, lossis txawm nyob hauv thaj chaw deb, qhov hluav taws kub ntawm cov hnub ci hluav taws xob ua qhov tseem ceeb. Kev phom sij ntawm hluav taws tuaj yeem tshwm sim vim qhov ua txhaum xws li luv luv Circuit Court, overheating, los yog kev puas tsuaj sab nraud los ntawm ib puag ncig. Yog li, xyuas kom meej tiashnub ci xov hlauyog hluav taws-resistant yog qhov tseem ceeb hauv kev tswj xyuas kev nyab xeeb thiab kev ncaj ncees ntawm tag nrho lub hnub ci.
2. Vim li cas qhov hluav taws kub tseem ceeb rau cov hnub ci cables?
Qhov hluav taws kub tsis kam ntawmhnub ci cablesyog ib qho tseem ceeb kev nyab xeeb feature rau ntau yam:
Short Circuits: Yog tias lub hnub ci cable ntsib qhov luv luv vim kev puas tsuaj lossis kev teeb tsa tsis raug, nws tuaj yeem ua rau kub dhau thiab ua rau muaj hluav taws kub. Cov hluav taws kub-resistant cables tuaj yeem pab txo qhov kev pheej hmoo ntawm qhov tshwm sim.
Kub kub: Cov kab hluav taws xob hnub ci yog tsim los tswj cov hluav taws xob siab uas yuav ua kom muaj cua sov. Yog tsis muaj hluav taws kub-resistant rwb thaiv tsev, qhov no yuav ua rau rwb thaiv tsev degradation, luv circuits, los yog txawm hluav taws kub.
Environmental Exposure: Cov kab hluav taws xob hnub ci feem ntau raug tshav ntuj ncaj qha, los nag, thiab cua, thiab raug teeb tsa hauv thaj chaw uas muaj hluav taws kub (xws li hluav taws kub nyhiab lossis khoom siv hluav taws xob nyob ze) yuav tshwm sim. Yog li ntawd, muaj hluav taws-resistanthnub ci cablestuaj yeem txo cov kev pheej hmoo cuam tshuam nrog hluav taws xob hluav taws xob.
Txoj Cai Kev Nyab Xeeb: Qee cov cai tswj kev nyab xeeb xav tau cov hnub ci cables kom ua tau raws li cov qauv kev tiv thaiv hluav taws kub. Ua raws li cov qauv no ua kom ntseeg tau tias cov cables tuaj yeem tiv taus cov nplaim taws thiab tiv thaiv kev sib kis ntawm hluav taws.
3. Hluav Taws-Resistant Properties ntawm Solar Cables
Qhov hluav taws kub tsis kam ntawm lub hnub ci cable yog nyob ntawm cov ntaub ntawv siv hauv lawv cov kev tsim kho, tshwj xeeb tshaj yog cov ntaub ntawv rwb thaiv tsev thiab cov ntaub qhwv. Cov ntaub ntawv no yuav tsum tau tsim los tiv thaiv qhov hluav taws kub, txwv kev sib kis ntawm cov nplaim taws, thiab muaj cov hluav taws kub hauv lub cable yog tias nws ntes hluav taws. Ob peb yam tseem ceeb ua rau hluav taws tsis kam ntawm hnub ci xaim:
3.1 Cov khoom siv rwb thaiv tsev
Kev rwb thaiv tsev ntawm cov hluav taws xob hnub ci ua lub luag haujlwm tseem ceeb hauv kev ua kom cov cables tuaj yeem tiv taus qhov kub thiab txias thiab tiv thaiv hluav taws xob tsis zoo uas tuaj yeem ua rau hluav taws kub. Cov khoom siv hluav taws kub-resistant feem ntau siv hauv cov hnub ci cables suav nrog:
Hla-Txuas Polyethylene (XLPE): XLPEyog ib qho khoom siv ruaj thiab hluav taws-resistant uas feem ntau siv rau rwb thaiv tsev ntawmhnub ci cables. Cov txheej txheem kev sib txuas ua ke muab XLPE nws cov thermal stability zoo dua thiab ua haujlwm rau cov cua sov, uas tso cai rau nws tswj nws txoj kev ncaj ncees txawm tias nyob rau hauv qhov chaw kub kub. XLPE tuaj yeem tiv taus qhov kub txog li 90 degree txog 120 degree (194 degree F txog 248 degree F) thiab yog qhov muaj peev xwm tiv taus combustion.
Polyvinyl Chloride (PVC): PVC yog lwm cov khoom siv nrov siv rau kev rwb thaiv tsev ntawmhnub ci cables. PVC yog qhov hluav taws kub-resistant, thiab ntxiv cov tshuaj tua hluav taws-retardant thaum lub sij hawm tsim cov txheej txheem txhim kho nws lub peev xwm tiv taus nplaim taws thiab tiv thaiv kev sib kis ntawm hluav taws. PVC feem ntau yog siv rau hauv cables ntsia hauv tsev thiab chaw lag luam.
Thermoplastic Elastomers (TPE): TPE cov ntaub ntawv hloov tau yooj yim thiab tiv taus qhov kub thiab txias, ua rau lawv tsim nyog rau cov ntawv thov uas yuav tsum tau siv hluav taws xob hluav taws xob. TPE siv nyob rau hauv lub hnub ci cables feem ntau yog kho nrog hluav taws-retardant additives los xyuas kom meej nws tsis kam mus combustion.
Ethylene Propylene Diene Monomer (EPDM): EPDM yog cov roj hmab hluavtaws uas ua rau muaj kev kub ntxhov thiab hluav taws kub. Nws yog siv rau cov kab hluav taws xob hnub ci hauv qhov kub thiab txias thiab muaj kev pheej hmoo siab vim nws cov khoom tiv thaiv hluav taws.
3.2 Sheath Materials
Sab nrauv ntawm lub hnub ci cable muab ib txheej ntxiv ntawm kev tiv thaiv ib puag ncig, nrog rau hluav taws. Lub sheath yog tsim los tiv thaiv cov conductors sab hauv los ntawm kev puas tsuaj, tiv thaiv lub cable los ntawm hluav taws, thiab txwv tsis pub cov nplaim taws yog hais tias lub cable puas.
Hluav Taws-Retardant Coatings: Qee lub hnub ci hluav taws xob tau nruab nrog cov txheej txheem hluav taws kub uas pab tiv thaiv hluav taws. Cov txheej txheem no yog tsim los tua cov nplaim taws thiab txo cov kab hluav taws xob. Cov ntaub ntawv xws li PVC, TPE, thiab XLPE tuaj yeem kho nrog cov tshuaj tua hluav taws los txhim kho lawv cov hluav taws kub.
Tsawg Haus luam yeeb Zero Halogen (LSZH) Jackets: LSZH cables yog tsim los tsim cov pa taws tsawg thiab tsis muaj halogen gases thaum muaj hluav taws kub. Cov ntaub ntawv no feem ntau siv hauvhnub ci cablesrau cov ntawv thov uas muaj kev nyab xeeb yog qhov tseem ceeb, xws li hauv thaj chaw muaj neeg coob lossis qhov chaw hluav taws kub yuav tsum raug txo kom tsawg.
4. Cov Txheej Txheem Hluav Taws Xob Hluav Taws Xob rau Hnub Ci Cables
Txhawm rau kom ntseeg tau tias cov hluav taws xob hnub ci ua tau raws li qhov tsim nyog yuav tsum tau muaj hluav taws kub, ntau cov qauv thiab cov ntawv pov thawj tswj hwm lawv qhov kev ua tau zoo hauv cov xwm txheej hluav taws kub. Kev ua raws li cov qauv no yog qhov tseem ceeb rau kev nyab xeeb ntawm lub hnub ci zog.
4.1 IEC 60332-1 (International Electrotechnical Commission)
IEC 60332-1 yog tus qauv thoob ntiaj teb uas qhia txog cov kev sim rau cov hluav taws kub ntawm cov cables. Cov qauv no ntsuas lub peev xwm ntawm lub hnub ci cable los tiv thaiv cov nplaim hluav taws. Thaum muaj hluav taws,hnub ci cablesuas ua tau raws li IEC 60332-1 tus qauv yuav txwv kev sib kis ntawm cov nplaim taws raws li cov kab hluav taws xob, kom ntseeg tau tias qhov hluav taws kub tsis mus raws tag nrho qhov ntev ntawm lub cable.
4.2 UL 4703 (Underwriters Laboratories)
Hauv Tebchaws Meskas, UL 4703 yog tus qauv rau hnub ci cables, thiab nws suav nrog cov kev cai tiv thaiv hluav taws rau cov cables. UL 4703 ua kom ntseeg tau tias cov xov hluav taws xob hnub ci ua tau raws li cov qauv tsim nyog rau kev nyab xeeb hluav taws, suav nrog kev muaj peev xwm tiv thaiv hluav taws thiab muaj peev xwm tiv thaiv kev sib kis ntawm hluav taws thaum muaj hluav taws xob tsis zoo lossis lwm yam xwm txheej.
4.3 TUV 2Pfg 1169/08 (TÜV Rheinland)
TÜV 2Pfg 1169/08 yog tus qauv siv rau lub hnub ci cables thiab cov tshuab photovoltaic, kom ntseeg tau tias lawv ua tau raws li qhov yuav tsum tau ua rau hluav taws kub nyhiab tsim nyog rau kev ua haujlwm nyab xeeb. Ua raws li tus qauv no ua kom ntseeg tau tias cov hnub ci hluav taws xob muaj peev xwm tiv thaiv hluav taws kub thiab nplaim taws kis tau thaum muaj kev ua txhaum lossis ua haujlwm tsis zoo.
4.4 CPR Classification (Cov Kev Cai Tsim Kho Cov Khoom Siv)
Txoj Cai Kev Tsim Kho Khoom Siv (CPR), qhia los ntawm European Union, faib cov cables raws li lawv qhov kev ua tau zoo ntawm hluav taws.Hnub ci cablesyuav tsum ua kom tau raws li CPR cov qauv kev faib tawm kom ntseeg tau tias lawv tsis ua rau muaj kev sib kis ntawm hluav taws thaum muaj hluav taws xob txhaum cai lossis hluav taws kub. Kev faib tawm CPR suav nrog pawg xws li Chav A, Chav B, thiab Chav C, nrog Chav A sawv cev rau qib siab tshaj plaws ntawm kev tiv thaiv hluav taws.
5. Yuav ua li cas hnub ci Cables pab rau kev nyab xeeb ntawm lub hnub ci
Qhov hluav taws kub tsis kam ntawm hnub ci cables yog ib qho tseem ceeb rau tag nrho kev nyab xeeb ntawm lub hnub ci fais fab. Ntawm no yog yuav ua li cas hnub ci xov hlau pab txo kev pheej hmoo hluav taws:
5.1 Tiv thaiv kev kis hluav taws
Cov ntaub ntawv siv nyob rau hauv hnub ci cables-xws li XLPE, PVC, thiab TPE-yog tsim los tiv thaiv cov nplaim taws. Yog hais tias hluav taws tshwm sim nyob rau hauv ib lub hnub ci cable vim yog ib tug luv luv Circuit Court, hluav taws xob txhaum, los yog ib puag ncig kev puas tsuaj, hluav taws-resistant zog ntawm lub rwb thaiv tsev cable thiab sheath yuav txwv tsis pub nws propagation thiab tiv thaiv kom tsis txhob muaj hluav taws kub kis mus thoob plaws hauv lub system.
5.2 Txo cov hluav taws kub nyhiab los ntawm kev kub dhau
Raws li lub hnub ci cables tau tsim los nqa cov hluav taws xob tseem ceeb, lawv yuav tsum muaj peev xwm ua haujlwm ntawm qhov kub thiab txias yam tsis muaj kev tawg lossis ua rau kub dhau. Hluav taws kub-resistant cables txo cov kev pheej hmoo cuam tshuam nrog overheating los ntawm kev xyuas kom meej tias cov kab hluav taws xob rwb thaiv tsev thiab sheath nyob twj ywm, tiv thaiv qhov hluav taws kub.
5.3 Kev tiv thaiv nyob rau hauv ib puag ncig muaj kev pheej hmoo siab
Nyob rau hauv cov cheeb tsam uas muaj kev pheej hmoo ntawm hluav taws kub hnyiab los yog lwm yam kev phom sij, hluav taws kub-resistant solar cables muab ib txheej ntxiv ntawm kev nyab xeeb. Piv txwv li,hnub ci cablessiv nyob rau hauv cov cheeb tsam uas muaj hluav taws kub hnyiab yuav tsum ua tau raws li cov qauv kev tiv thaiv hluav taws ntau dua kom ntseeg tau tias lub kaw lus tsis ua rau muaj hluav taws kub nyhiab thaum muaj xwm txheej hnyav.
GREATER WIRE yog lub tuam txhab ua lag luam cable tshwj xeeb hauv kev tsim khoom thiab muab cov khoom lag luam zoo cable. Nrog rau xyoo ntawm kev lag luam kev lag luam, peb muab ntau hom cables, suav nrog America UL cables, Australia SAA cables, VDE cables, thiab TUV cables, catering rau ntau yam kev siv xws li kev lag luam, kev lag luam, thiab kev siv hauv tsev.
Tiv tauj peb hnub no kom paub ntau ntxiv txog peb cov khoom thiab kev pabcuam. Peb pab neeg mob siab rau yog npaj los pab koj nrog txhua yam koj xav tau cable.