Raws li cov khoom siv hluav taws xob hauv tsev tau dhau los ua neeg nyiam, ua kom muaj kev nyab xeeb thiab ua haujlwm ntawm lawv cov xaim, tshwj xeeb tshaj yog nyob rau DC-sab, yog qhov tseem ceeb. Kev sib txuas ncaj qha tam sim no (DC) ntawm lub hnub ci vaj huam sib luag, roj teeb, thiab cov khoom siv hluav taws xob yog qhov tseem ceeb rau kev hloov lub hnub ci zog rau hauv hluav taws xob siv tau thiab khaws cia zoo. Phau ntawv qhia no qhia txog cov ntsiab lus tseem ceeb, cov kev coj ua zoo tshaj plaws, thiab kev ua yuam kev ntau dhau los kom tsis txhob muaj thaum txhim kho thiab tswj DC-sab kev sib txuas xov hluav taws xob hauv tsev neeg lub zog cia inverters.
Nkag siab txog DC-Sab ntawm Tsev Neeg Lub Zog Cia Inverters
DC-sab ntawm lub zog cia inverter yog qhov chaw hluav taws xob ncaj qha tam sim no ntws nruab nrab ntawm lub hnub ci vaj huam sib luag thiab lub txhab nyiaj roj teeb ua ntej raug hloov mus rau hauv alternating tam sim no (AC) rau tsev neeg siv. Qhov no sab ntawm lub system yog ib qho tseem ceeb heev vim hais tias nws ncaj qha tuav lub zog tsim thiab cia.
Hauv kev teeb tsa lub hnub ci hluav taws xob, lub hnub ci vaj huam sib luag tsim hluav taws xob DC, uas taug kev los ntawm cov cables thiab lwm yam khoom siv los them cov roj teeb. Lub zog khaws cia hauv cov roj teeb kuj tseem nyob hauv DC daim ntawv. Lub inverter ces hloov cov hluav taws xob DC uas khaws cia rau hauv AC lub zog los muab cov khoom siv hauv tsev.
Cov khoom tseem ceeb ntawm DC-sab suav nrog:
Hnub ci PV cables uas thauj hluav taws xob los ntawm cov vaj huam sib luag mus rau inverter thiab roj teeb.
Cov khoom sib txuas uas txuas cov cables thiab cov khoom siv, ua kom lub zog hloov mus tau yooj yim.
fuses thiab keyboards rau kev nyab xeeb, tswj thiab txiav fais fab raws li xav tau.
Cov kev xav txog kev nyab xeeb tseem ceeb rau DC-Side Wiring
Kev ntsuas kev nyab xeeb kom raug rau DC-sab kev sib txuas thaiv yog qhov tseem ceeb los tiv thaiv hluav taws xob phom sij thiab ua kom muaj kev ua haujlwm ntev. Nov yog qee yam tseem ceeb uas yuav tsum nco ntsoov:
Cable rwb thaiv tsev thiab Sizing: Siv cables nrog rwb thaiv tsev kom zoo tiv thaiv hluav taws xob to thiab txo qhov kev pheej hmoo ntawm kev luv luv Circuit Court. Cable sizing yuav tsum phim cov load tam sim no los tiv thaiv overheating thiab voltage te, uas tuaj yeem ua mob rau lub cev ua haujlwm thiab ua rau muaj kev puas tsuaj.
Corect Polarity: Hauv DC systems, thim rov qab polarity tuaj yeem ua rau cov khoom siv tsis ua haujlwm lossis puas tsuaj. Xyuas kom tseeb tias kev sib txuas ntawm cov xaim yog qhov tseem ceeb kom tsis txhob muaj teeb meem loj.
Kev tiv thaiv overcurrent: Overcurrent tuaj yeem ua rau cov khoom siv hluav taws xob puas tsuaj thiab ua rau hluav taws kub. Tiv thaiv lub kaw lus los ntawm kev siv fuses thiab Circuit Court breakers uas phim cov dej ntws tam sim no hauv DC-sab thaiv.
Grounding: Tsim nyog hauv av kom ntseeg tau tias txhua qhov kev hloov pauv tam sim no muaj kev nyab xeeb rau hauv lub ntiaj teb, txo qhov kev pheej hmoo ntawm hluav taws xob poob siab thiab ua kom muaj kev ruaj ntseg. Cov kev cai hauv av sib txawv los ntawm lub teb chaws tab sis yuav tsum ua raws li nruj me ntsis.
Hom Cables siv rau DC-Side Connections
Xaiv txoj cai cables rau DC-sab kev sib txuas yog qhov tseem ceeb rau kev nyab xeeb thiab kev ua haujlwm. Qee hom muaj xws li:
Hnub ci PV Cables (H1Z2Z2-K, UL 4703, TUV PV1-F) **: Cov cables no yog tsim los rau kev siv sab nraum zoov thiab tiv taus UV hluav taws xob, kub kub, thiab kev ntxhov siab ib puag ncig. Lawv muaj cov qib siab ntawm kev hloov pauv, ua rau lawv zoo tagnrho rau lub hnub ci zog.
Kev Tiv Thaiv Kub Kub: DC-sab cables yuav tsum muaj peev xwm tiv taus qhov kub thiab txias uas tsim los ntawm cov hluav taws xob tas li ntawm cov hnub ci vaj huam sib luag mus rau lub inverter, tshwj xeeb tshaj yog thaum lub hnub ci siab tshaj.
Certified Quality: Siv cov ntawv pov thawj cables kom ua raws li cov qauv kev nyab xeeb thiab pab tiv thaiv kev ua tsis tiav. Ib txwm xaiv cov cables uas ua tau raws li IEC, TUV, lossis UL cov qauv.
Kev coj ua zoo tshaj plaws rau kev txhim kho DC-Side Wiring
Txhawm rau kom muaj kev nyab xeeb thiab kev ntseeg siab hauv DC-sab kev teeb tsa, ua raws li cov kev coj ua zoo tshaj plaws no:
Cable Routing: Ua kom raug thiab ruaj ntseg DC cables kom txo tau qhov raug huab cua thiab kev puas tsuaj rau lub cev. Tsis txhob khoov ntse, uas tuaj yeem lim cov cables thiab ua rau muaj kev puas tsuaj hauv lub sijhawm.
Tsawg Voltage poob: Khaws DC cables kom luv li sai tau txo qis voltage, uas tuaj yeem cuam tshuam kev ua haujlwm. Yog tias qhov kev ncua deb tsis tuaj yeem zam tau, nce qhov loj ntawm cable kom them nyiaj.
Siv Cov Khoom Txuas Tsim Nyog: Xyuas kom cov khoom sib txuas yog huab cua tsis zoo thiab sib haum nrog cov cables siv. Cov khoom sib txuas tsis zoo tuaj yeem ua rau lub zog poob lossis ua rau muaj kev phom sij.
Kev Tshawb Fawb thiab Kev Kho Kom Zoo: Tshawb xyuas DC cov xov hlau tsis tu ncua rau kev hnav thiab tsim kua muag, suav nrog cov rwb thaiv tsev puas, kev sib txuas xoob, thiab cov cim qhia ntawm corrosion. Kev saib xyuas niaj hnub tuaj yeem tiv thaiv cov teeb meem me me los ntawm kev hloov mus ua teeb meem loj.
Feem ntau yuam kev kom tsis txhob nyob rau hauv DC Wiring
Txawm tias cov txheej txheem tsim tau zoo tuaj yeem ua tsis tiav vim yooj yim yuam kev hauv cov txheej txheem installation. Zam tsis txhob muaj cov pitfalls no:
Undersized lossis Low-Quality Cables: Siv cov cables uas me dhau rau lub kaw lus qhov kev thauj khoom tam sim no tuaj yeem ua rau overheating, lub zog poob, thiab txawm tias hluav taws kub. Ib txwm xaiv cov kab hluav taws xob uas tuaj yeem tswj tau tag nrho lub zog tso zis ntawm koj lub cev.
Polarity tsis raug: thim rov qab polarity hauv DC system tuaj yeem ua rau cov khoom puas lossis ua tiav qhov system tsis ua haujlwm. Muab ob npaug rau kev sib txuas ua ntej ua kom lub zog.
Overcrowding Cables: Cov kab ntau dhau tuaj yeem ua rau cov cables dhau los. Ua kom muaj qhov sib txawv thiab qhov cua kom zoo, tshwj xeeb tshaj yog nyob rau hauv cov chaw kaw xws li cov thawv sib txuas.
Tsis saib xyuas Cov Cai Hauv Zos: Txhua cheeb tsam muaj nws tus kheej cov lej kev nyab xeeb hluav taws xob, xws li NEC hauv Asmeskas lossis IEC cov qauv thoob ntiaj teb. Tsis ua raws li cov no tuaj yeem ua rau lub cev tsis ua haujlwm lossis teeb meem kev cai lij choj.
Ua raws li International Standards thiab Regulations
Lub tshuab hluav taws xob cia, suav nrog lawv cov DC-sab thaiv, yuav tsum ua raws li cov qauv thoob ntiaj teb kom muaj kev nyab xeeb thiab txhim khu kev qha:
IEC Standards: International Electrotechnical Commission (IEC) cov qauv muab kev qhia thoob ntiaj teb rau kev nyab xeeb hluav taws xob thiab kev ua haujlwm.
UL Standards: Underwriters Laboratories (UL) cov qauv siv dav hauv North America, muab kev taw qhia txog kev nyab xeeb ntawm cov khoom thiab ntawv pov thawj.
NEC (National Electrical Code): NEC muab cov cai thiab cov cai rau kev teeb tsa hluav taws xob hauv Asmeskas. Ua raws li NEC cov lus qhia ua kom muaj kev nyab xeeb thiab ua raws.
Kev ua raws li cov qauv no tsis yog hais txog kev nyab xeeb xwb; Nws feem ntau yog qhov yuav tsum tau muaj rau kev pov hwm kev pov hwm thiab tuaj yeem cuam tshuam rau lub cev qhov kev tsim nyog rau kev txhawb nqa thiab cov nyiaj rov qab.
Saib xyuas thiab tswj xyuas DC-Sab kev sib txuas
Txawm tias qhov zoo tshaj plaws-installed systems yuav tsum tau saib xyuas thiab saib xyuas kom zoo tshaj plaws. Nov yog yuav ua li cas kom nyob twj ywm proactive:
Kev tshuaj xyuas tsis tu ncua: Teem sijhawm kuaj xyuas lub cev puas tsuaj, hnav thiab tsim kua muag, thiab xoob kev sib txuas. Nrhiav cov cim qhia ntawm corrosion, tshwj xeeb tshaj yog nyob rau sab nraum zoov.
Kev soj ntsuam kev ua tau zoo: Ntau lub inverters tuaj nrog cov kev soj ntsuam ua ke uas tso cai rau cov neeg siv taug qab kev tsim hluav taws xob thiab kev siv. Cov cuab yeej saib xyuas tuaj yeem ceeb toom koj txog teeb meem xws li kev poob qis ntawm lub zog, uas tuaj yeem teeb liab teeb meem teeb meem.
Hais Txog Cov Teeb Meem Ceev: Yog tias pom muaj cov tsos mob ntawm kev hnav lossis kev puas tsuaj thaum kuaj xyuas, kho lossis hloov qhov cuam tshuam tam sim ntawd. Kev ua sai sai tuaj yeem tiv thaiv cov teeb meem me me los ntawm kev nce mus rau kev kho nqi kim.
Xaus
Kev nyab xeeb thiab kev ua tau zoo ntawm cov khoom siv hluav taws xob hauv tsev cia siab heev rau kev teeb tsa thiab kev saib xyuas ntawm DC-sab txuas txuas. Los ntawm kev ua raws li cov kev coj ua zoo tshaj plaws, siv cov ntaub ntawv zoo, thiab ua raws li cov qauv hauv zos, koj tuaj yeem ua kom muaj kev ntseeg siab thiab muaj txiaj ntsig zoo uas txhawb nqa koj tsev neeg lub zog xav tau. Ib txwm xav txog kev sab laj cov kws tshaj lij rau kev teeb tsa nyuaj, tshwj xeeb tshaj yog thaum ua raws li cov qauv kev nyab xeeb thoob ntiaj teb xav tau.
Los ntawm kev ua raws li cov lus qhia no, koj yuav tsis tsuas yog txhim kho koj lub cev kev nyab xeeb thiab kev ua tau zoo tab sis kuj tseem txuas ntxiv nws txoj sia thiab ua kom cov nyiaj rov qab los ntawm koj cov peev txheej.
Txij li thaum nws tso tawm hauv 2009,Danyang Winpower Hlau & Cable Mfg Co., Ltd.tau koom tes nrog kev lag luam hluav taws xob thiab hluav taws xob xaim hluav taws xob rau ze li 15 xyoo, thiab tau txais txiaj ntsig kev lag luam nplua nuj thiab kev tsim kho thev naus laus zis. Peb tsom mus rau kev nqa cov khoom zoo, kev ua tiav lub zog cia qhov system txuas txuas cov kev daws teeb meem rau kev ua lag luam. Txhua yam khoom tau raug lees paub nruj me ntsis los ntawm European thiab Asmeskas cov koom haum tso cai thiab tsim nyog rau 600V txog 1500V lub zog cia hluav taws xob. Txawm hais tias nws yog qhov chaw nres tsheb fais fab loj loj lossis lub chaw faib me me, koj tuaj yeem nrhiav qhov tsim nyog tshaj plaws DC sab txuas cable tov.
Siv cov lus qhia rau xaiv cov kab hluav taws xob sab hauv ntawm lub zog cia inverter
| Cable Parameters | ||||
| Khoom qauv | Rated Voltage | Rated Kub | Cov khoom siv rwb thaiv tsev | Cable Specifications |
| U1015 | 600 V | 105 ℃ | PVC | 30 AWG ～ 2000 kcmil |
| TIAB SA 1028 | 600 V | 105 ℃ | PVC | 22 AWG ～ 6 AWG |
| TIAB SA 1431 | 600 V | 105 ℃ | XLPVC | 30 AWG ～ 1000 kcmil |
| TIAB SA 3666 | 600 V | 105 ℃ | XLPE | 32 AWG – 1000 kcmil |
Nyob rau lub sijhawm no ntawm lub zog ntsuab ntsuab, Winpower Wire & Cabl yuav ua haujlwm nrog koj los tshawb txog thaj tsam tshiab ntawm lub zog khaws cia thev naus laus zis. Peb pab neeg tshaj lij yuav muab koj nrog ntau yam ntawm lub zog cia cable technology kev sab laj thiab kev pabcuam. Thov hu rau peb!
Post lub sij hawm: Oct-15-2024