Thaum tsim qauv thiab txhim kho lub hnub ci zog system, lub installation ntawm lub hnub ci cab lossis hnub ci yog qhov tseem ceeb ntawm cov txheej txheem. Cov cables tsis yog tsuas yog lub zog tsim los ntawm lub hnub ci kho tau zoo rau kev nyab xeeb rau kev nyab xeeb, ua haujlwm tau zoo, thiab kev ua haujlwm ntev ntawm tag nrho cov kab ke. Ib hom cable feem ntau siv nyob rau hauv kev siv hnub ci yog H1z2z {2}} k cable.
Hauv tsab xov xwm no, peb yuav tham txog ntau txoj kev ntawm kev tso H1Z2Z 2- k {} Kuv siv cov hom cable, thiab cov qauv siv tau. Peb tseem yuav tshawb xyuas cov kev txiav txim siab tseem ceeb ntsig txog kev nyab xeeb, kev ua tau zoo, thiab kev coj noj coj ua thaum tso cov cabl no hauv cov hnub ci.
1. Txheej txheem cej luam ntawmH1Z2Z 2- k Cables
H1Z2Z {2- Kable yog qhov hloov tau yooj yim, kev ua tau zoo cable hauv photovoltaic (hnub ci). Nws yog tshwj xeeb tsim los siv nyob rau hauv ib puag ncig sab hauv tsev thiab sab nraum zoov thiab sab nraum zoov kev ntseeg tau nyob rau hauv kev kis rau UV lub teeb, kub variations, thiab cua noo. H1Z2Z {{{{{}! Cable muaj ob peb tus yam ntxwv tseem ceeb uas ua rau nws haum rau hnub ci kev siv:
Kub rwb thaiv tsev: Lub cable yog insulated nrog cov ntaub ntawv uas tuaj yeem tiv taus ntau kub, UV hluav taws xob, thiab hnav.
Yooj yooj: Tus qauv hloov pauv yooj ywm tso cai rau kev tuav yooj yim thiab teeb tsa hauv cov chaw nruj lossis cov chaw yuav tsum tau txav.
Yam ruaj khov: Nws yog tsim los tiv thaiv ib puag ncig kev ntxhov siab, ua kom muaj kev ua tau ntev ntev.
Muab nws cov nta ruaj, H1Z2Z {2}} k Cable yog qhov zoo tagnrho rau hnub ci nruab qhov chaw ib puag ncig. Txawm li cas los xij, txoj kev coj ua thiab kev teeb tsa yog qhov tseem ceeb rau kev ua tau zoo thiab kev nyab xeeb.
2. Tso txoj kev rauH1Z2Z 2- k Cables
Muaj ntau txoj kev pw kom xav txog thaum txhim kho h1z2z 2-}} kab hauv lub hnub ci. Cov qauv tsim nyog yuav nyob ntawm ib puag ncig kev teeb tsa, qhov ntev ntawm cov cable khiav, thiab kev txwv lub cev ntawm lub xaib.
2.1 Ncaj qha faus
Hauv qee cov hnub ci nruab, tshwj xeeb tshaj yog rauCov Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nruab, cov cables yog nteg ncaj qha rau hauv av. Txoj kev no yog hu uancaj qha fausThiab yog feem ntau siv rau ntev ntev khiav ntawm lub hnub ci ntsa iab thiab inverters lossis nruab nrab ntawm inverter thiab lub hwj chim sib tshooj.
Cov kev txiav txim siab tseem ceeb:
Kev Tiv Thaiv Cable: Txawm hais tias H1z2Z {2- K Cable yog cov conduse lossis kev faus neeg puas tsuaj los ntawm pob zeb kev puas tsuaj los ntawm cov pob zeb, av, thiab lwm cov khoom hauv av.
Qho tob: Cov qoob loo yuav tsum tau faus rau ntawm qhov tob kom tsis txhob muaj kev puas tsuaj ntawm kev khawb lossis lwm yam haujlwm. Feem ntau, qhov kev faus rau qhov tob yog hais txog 30-60 cm, nyob ntawm cov cai hauv zos thiab ib puag ncig cov ntsiab lus.
Kev Tiv Thaiv Ya noo: Xyuas kom meej tias lub cable yog tiv taus dej infiltration, tshwj xeeb tshaj yog nyob rau hauv cov cheeb tsam mus rau dej nyab lossis cov ntsiab lus noo noo. H1Z2Z {2- K Cable yog tsim rau qhov chaw ntub dej, tab sis nws tseem yog ib qho tseem ceeb kom ntseeg tau tias txoj kev cable tsis tuaj sawv.
2.2 Nto Installation (Raug)
Rau kev teeb tsa hauv thaj chaw uas trenching yog impractical los yog tsis tau, kev teeb tsa sab saum toj yog qhov kev xaiv tau zoo. Hom no feem ntau yog siv rau rooft kev teeb tsa lossis tshuab uas qhov twg yuav kis tau rau ib puag ncig tab sis tsis faus.
Cov kev txiav txim siab tseem ceeb:
UV Kuj: H1z2Z {{2- kable yog UV resistant, uas tso cai rau nws yuav tsum tau nruab rau lub hnub ci. Txawm li cas los xij, cov cable yuav tsum tau nruab rau hauv ib qho uas txwv tsis pub sib cuag nrog cov khoom uas tuaj yeem ua rau cov neeg siv khoom hnav lossis kev puas tsuaj lub cev.
Txhawb nqa thiab kho: Cables yuav tsum muaj kev ruaj ntseg nrawm rau cov chaw kom tiv thaiv lawv ntawm sagging, raug rub tawm, lossis raug rau kev ntxhov siab. Qhov no tuaj yeem ua tiav siv cov clips cable, cov tais, lossis sib txuas cable. Kev txhawb nqa kom muaj kev ncaj ncees ntawm cov cable thiab ua kom nws lub siab ntev.
Kev kis tau ib puag ncig ib puag ncig: Nco ntsoov tias cov cables yog ntsia rau hauv qhov chaw uas lawv yuav tsis tshua muaj mob ib puag ncig xws li huab cua sov, lossis UV rays rau lub sijhawm ntev.
2.3 Conduit lossis ducting installation
Conduit installation yog ib txoj kev siv ntau tshaj plaws uas siv rau ob qho tib si sab hauv thiab sab nraum zoov lub hnub ci ci cable pw. Hom no cuam tshuam nrog cov xaim hluav taws xob hauv cov khoom tiv thaiv sab hauv lossis kev tiv thaiv ntxiv rau kev puas tsuaj ntxiv rau kev puas tsuaj, noo noo, thiab kev ntxhov siab ib puag ncig, thiab kev ntxhov siab ib puag ncig.
Cov kev txiav txim siab tseem ceeb:
Conduit cov khoom: Cov kev xaiv ntawm cov khoom siv conduit yog qhov tseem ceeb rau kev ua kom muaj kev nyab xeeb thiab ua haujlwm ntawm cov cable. Cov khoom siv sib txuas nrog cov khoom siv suav nrog PVC, hlau, thiab hloov tau conduit. PVC feem ntau yog siv rau sab nraum zoov kev sib sau, thaum hloov cov conduits hloov pauv ntau dua rau sab hauv tsev lossis tsev rooftop.
Conduitiuit ci: Daim Condment yuav tsum muaj feem kom haum kom haum raws H1z2z {2}} k cable yooj yim rub tawm thiab txij nkawm. Lub teb chaws hluav taws xob code (NEC) tau muab cov lus qhia ntawm cov lus qhia kom tsim nyog raws li cov cables thiab lawv cov kab ke hla.
Kev muab qhib: Hauv qee kis, nws yog ib qho tseem ceeb kom nruab cov conduits nyob rau hauv ib txoj kev uas tso cai rau huab cua ncig ua kom tiv thaiv cov neeg tsim cov cua sov sab hauv lub conduit. Qhov no yog tshwj xeeb yog qhov tseem ceeb hauv qhov chaw kub siab.
2.4 Cov Nruab Nrab Tso Tawm
Rau kev lag luam loj lossis kev lag luam hnub ci, cov nyiaj siv ua haujlwm nruab nrab yog lwm txoj kev vam meej. Hauv txoj hauv kev no, cov cables raug tshem tawm ntawm ncej lossis cov qauv saum av. Nyiaj siv ua haujlwm ua haujlwm yog qhov zoo rau cov cheeb tsam uas tsis tau lossis qhov twg cov kev xav tau ntawm cov av kom tiv thaiv kev puas tsuaj ntawm lub cev.
Cov kev txiav txim siab tseem ceeb:
Kev txhawb nqa cable: Cov qoob loo yuav tsum tau txais kev txhawb nqa ntawm cov sib nrug tsis tu ncua los tiv thaiv sagging thiab xyuas kom meej tias lawv muaj kev ruaj ntseg thauj khoom. Cov tais tshwj xeeb cable los yog cable txhawb tau siv los ua kom tiav qhov no.
Kev tshem: Xyuas kom meej tias cov clesles muaj qhov tseeb txaus los ntawm hauv av thiab lwm cov qauv kom tsis txhob muaj kev sib raug mob lossis cuam tshuam rau lwm yam kev puas tsuaj loj lossis cuam tshuam nrog lwm yam kev ua phem rau kev ua phem lossis kev cuam tshuam rau lwm tus.
Cua thiab huab cua tiv thaiv: Nyiaj siv ua haujlwm yog nthuav tawm cov cua thiab cov huab cua, xav tau kev tiv thaiv ntxiv los tiv thaiv lawv ntawm cov cua, lossis daus. Qhov no suav nrog kev siv cov xaim nrog cov huab cua zoo nkauj thiab ua kom cov xovtooj no tau txais kev nyab xeeb kom tiv thaiv kev txav lossis kev puas tsuaj.
2.5 Kev Nruab Nruab Roofop
Nyob rau hauv cov hnub ci nruab hnub ci, rooftop cable pw yog ib qho kev coj ua. Cov qoob loo feem ntau yog tso raws lub ru tsev thiab txuas nrog lub hnub ci ntsa iab thiab inverters. Txoj kev qhia no yuav tsum npaj ua tib zoo npaj kom ntseeg tau tias cov kab ke tsis raug rau cov kev hnav thiab kua muag.
Cov kev txiav txim siab tseem ceeb:
Mounting: Cov cables yuav tsum tau mounted kev ruaj ntseg siv clips lossis cable tais uas tiv thaiv sagging thiab kom cov kev coj ua kom zoo nyob ntawm lub ru tsev.
UV Kuj: Thaum H1z2Z {2- kable yog UV resistant, nws yog ib qho tseem ceeb kom ntseeg tau tias lub hnub ci mus rau lub sijhawm ntev uas tsis muaj kev tiv thaiv npog.
Kev ua dej nag: Xyuas kom meej tias cov xaim hluav taws xob tau teeb tsa hauv txoj kev uas tiv thaiv dej los ntawm kev nkag mus rau hauv cable lossis conduit. Yuav tsum tau siv cov kev tsim nyog thiab cov kev siv dej tsis zoo yuav tsum tau siv, tshwj xeeb tshaj yog nyob rau thaj chaw uas cov dej ntxiv ua tau.
3. Cov lus qhia teeb tsa thiab kev coj ua zoo tshaj plaws
Tsis hais ntawm cov qauv xaiv, ua raws li kev coj ua zoo tshaj plaws thaum lub sijhawm teeb tsa yog qhov tseem ceeb rau kev ua kom muaj kev nyab xeeb, ua raws li, thiab ua tau zoo:
3.1 Zam txhob cable overload
Xyuas kom meej tias cov cables tsis dhau los ntawm hluav taws xob tam sim no. Xaiv qhov loj me thiab hom cable raws li qhov voltage thiab cov kev tshwj xeeb tam sim no ntawm koj lub hnub ci. H1Z2Z {{{2} Kuv muaj ntau qhov ntau thiab tsawg thiab yuav tsum xaiv raws li lub zog ntsuas hluav taws xob.
3.2 Tsim nyog cable tu
Cable mus yuav tsum tau ua kom zoo zoo kom muaj kev sib txuas hluav taws xob zoo. Siv cov txuas tsim nyog thiab xyuas kom meej tias txhua qhov sib txuas yog cov dej tsis muaj dej thiab xeb-resistant. Cov kev sib txuas tsis zoo tuaj yeem ua rau muaj zog poob, overheating, lossis txawm tias hluav taws phom sij.
3.3 Tiv thaiv cov cables ntawm kev puas tsuaj
Yuav tsum muaj kev tiv thaiv ib txwm muaj los ntawm lub cev kev puas tsuaj thaum nruab. Seb lawv tau pw saum npoo lossis faus rau hauv av, xyuas kom cov kab ke tsis raug rau cov tshuab ntse, cov tshuab hnyav, lossis txhua yam uas yuav ua rau muaj kev puas tsuaj rwb thaiv tsev.
3.4 Ua raws cov lej hauv zos thiab cov qauv
Ib txwm ua raws li cov hluav taws xob hauv zos thiab cov qauv thaum txhim kho lub hnub ci clesgle. Hauv ntau thaj tsam, lis dej num zoo li lub teb chaws hluav taws xob code (nec) hauv Tebchaws Meskas lossis iC cov qauv thoob ntiaj teb muab cov lus qhia rau cable installation, kom ntseeg tau tias koj cov kev teeb tsa nyab xeeb thiab ua raws.