Hnub ci cables, lossisHnub ci xov hlau, yog qhov tseem ceeb ntawm photovoltaic (PV) cov tshuab. Lawv yooj yim kho cov hluav taws xob hluav taws xob tsim los ntawm hnub ci ntsa iab rau lwm cov khoom siv, xws li inverters, roj teeb. Muab rau lawv raug rau ntau qhov kev xav tau ib puag ncig thiab cov hluav taws xob xav tau, cov kab ke no yuav tsum tau xaiv, kev nyab xeeb, thiab kev ua haujlwm ntawm tag nrho lub hnub ci zog.
Hauv tsab xov xwm no, peb yuav tshawb txog kev tiv thaiv tshwj xeeb rau hnub ci kom tiv thaiv kev sib raug zoo ntawm lub hnub ci tag nrho.
1. Kev tiv thaiv ib puag ncig: kev thaiv los ntawm UV hluav taws xob thiab huab cua
Ib qho ntawm cov kev txhawj xeeb tseem ceeb rau hnub ci kev tiv thaiv yog kev tiv thaiv cov kab ke ntawm cov xwm txheej hnyav.Hnub ci cablesFeem ntau raug rau cov ntsiab lus, xws li UV hluav taws xob, huab cua sov heev, av noo, thiab txawm tias kev ntxhov siab rau cov cua lossis cov tsiaj qus. Yog tsis muaj kev tiv thaiv tsim nyog, cov xwm txheej no tuaj yeem ua rau muaj kev cuam tshuam ntawm cov khoom cable, cuam tshuam cov txheej txheem ua haujlwm tau zoo thiab kev nyab xeeb.
1.1 UV kev tiv thaiv
Hnub ci cables yog feem ntau tsim nrog lub taub hau ruaj khov ua los ntawm cov ntaub ntawv xws li cov roj hmab prinylene txuas (eprene) lossis epr), uas yog UV-resistant. Txawm li cas los xij, hauv cov cheeb tsam uas muaj lub sijhawm ntev thiab muaj zog, yuav tsum muaj kev ntsuas ntxiv:
UV-resistant rwb thaiv tsev: Xyuas kom meej tias cov nplhaib ci ntsa iab yog tsim nrog UV-resistant cov ntaub ntawv. Cov ntaub ntawv no tiv thaiv cov neeg saib xyuas sab hauv, uas tuaj yeem ua rau cov cables 'sab nraud
Cable conduits lossis lub tes tsho: Hauv qee cov ntawv thov, nws tuaj yeem pom zoo muab cov xov hlau sov sab hauv UV-resistant conduits lossis cov tes tsho tiv thaiv. Cov coojking ntaub thaiv npog cov xaim ntawm lub hnub ncaj qha, txuas ntxiv txuas lawv lub neej.
Cov chaw muaj duab ntxoo: Qhov chaw ua tau, qhov chaw cables hauv thaj chaw tsaus lossis hauv kev tiv thaiv npog kom txo tau rau UV hluav taws xob tsawg.
1.2 Kev Tiv Thaiv Kub
Hnub ci cables yuav tsum muaj peev xwm tiv thaiv kub kub thiab raws li lawv feem ntau tau nruab sab nraum zoov. Kub heev lossis txias txias tuaj yeem ua rau cov khoom siv rwb thaiv tsev kom nthuav dav lossis tawg rau hauv cov kev pheej hmoo ntawm kev sib tw luv luv lossis lwm yam kev siv hluav taws xob.
Kev Kub Siab Kub Kub Rwb Thaiv Tsev: Xaiv Solar cables nrog kub-kub tiv taus sheaths. Feem ntau lub hnub ci ntsa iab yog ntsuas kom tiv thaiv kub los ntawm -40 degree rau +90 degree. Hauv cov cheeb tsam uas muaj cua sov heev, txiav txim siab siv cov cables nrog kev ntsuas kub ntau dua.
Conduit kev tiv thaiv: Hauv cov cheeb tsam kub kub, cov cable tuaj yeem tso rau hauv thermal conduit uas ua raws li kev ntxiv thermal tsis los tiv thaiv kev kub ntxhov.
Zam kev kho tshuab: Thaum routing cables, zam lawv rau txoj kev uas tuaj yeem ua rau cov kab nrib pleb hauv qhov kub kom kawg.
1.3 noo noo thiab kev tiv thaiv dej
Cov dej noo thiab cov dej tso dej yog qhov kev hem thawj rau kev ua kom ntev thiab kev nyab xeeb ntawm lub hnub ci cable. Dej tuaj yeem ua rau corrosion hauv cov txuas thiab xov hlau, ua rau tsis ua haujlwm. Hauv cov cheeb tsam uas muaj cov av noo lossis dej nag, yuav tsum tau ceev faj ntxiv.
Waterproof Txuas: Siv cov khoom siv dej tsis tau tsim rau kev siv sab nraum zoov. Cov txuas no yuav tsum tau ntsuas rau cov chaw ntub dej thiab muab ib lub foob ruaj ntseg los tiv thaiv kom noo los ntawm kev ncav cuag cov neeg sab hauv.
Ntsaws cov thawv sib tw: Nco ntsoov tias cov thawv sib dhos uas cov cables sib ntsib tau sib khi tau zoo thiab tsis muaj dej. Cov qog thiab cov ntsaws ruaj ruaj yuav tsum tau siv los tiv thaiv cov cables ntawm cov ntsiab lus nkag, tiv thaiv dej ingress.
Cov Nruab Nruab Nruab Nruab Nruab Nruab Nruab Nrab: Thaum tso cov cables hauv av, siv cov cable-khab lossis nruab cov cables uas tsis muaj dej puas tsuaj. Nquag xyuas rau txi los yog cov kab nrib pleb uas tuaj yeem tso dej rau hauv cable.
1.4 kev tiv thaiv neeg kho tshuab
Hnub ci cov cable feem ntau yuav raug rau cov neeg siv tshuab xws li cua, lossis kev sib cuag ntawm cov tsiaj lossis khoom siv. Yog tsis muaj kev tiv thaiv kom tsim nyog, cov kab ke tuaj yeem raug kev puas tsuaj, kev puas tsuaj, lossis kev ntxhov siab ua rau hluav taws xob tsis sib haum.
Cable cov tais thiab cov conduits: Rau kev ua lag luam lossis chaw nyob, siv cov tais diav, removerays, lossis PVC conduits rau lub cev tiv thaiv cov kab ntawm sab nraud tshuab hluav taws. Qhov no tseem yuav pab npaj cov cables thiab zam kev ntxhov siab lossis kev ntxhov siab tsis tsim nyog.
Cable Ties thiab Clips: Cabs adnabts ntawm cov sib tham tsis tu ncua lossis cable clip. Qhov no txwv tsis pub lawv los ntawm sagging, rubbing tawm tsam cov chaw ntse, lossis raug rau kev ntxhov siab txhua yam.
Cov tiv thaiv kev tiv thaiv: Hauv cov cheeb tsam uas cov tsiaj qus yog qhov kev txhawj xeeb, siv cov qoob loo uas tau tsim los tawm tsam cov nas ua puas tsuaj, lossis chaw clesles hauvCov Rodent-Ntawv Pov Thawj Nroglos tiv thaiv gnawing.
2. Kev Tiv Thaiv Hluav Taws Xob:Kom ntseeg tau kom nyab xeeb thiab txuag hluav taws xob zoo
Kev tiv thaiv kev tiv thaiv lub hnub ci clesles tsis txwv rau ib puag ncig thiab kev hem thawj. Kev tiv thaiv hluav taws xob yog ib qho tseem ceeb los tiv thaiv kev tiv thaiv tsis dhau, luv luv hluav taws xob, lossis lub kaw lus tsis ua hauj lwm.
2.1 overcurrent tiv thaiv
Hnub ci cables yuav tsum tau tiv thaiv los ntawm ntau tam sim no uas tuaj yeem ua rau cov cable lossis lwm yam ntawm cov kab ke.
Txoj Kev Ua Haujlwm Circuit Court: Siv cov tog neeg sib xyaws tsim nyog lossis fuses los tiv thaiv lub hnub ci cables los ntawm overcurrent tej xwm txheej. Cov cuab yeej siv tau txiav tawm cov Circuit Court thaum tam sim no tshaj qhov chaw nyab xeeb, tiv thaiv kev puas tsuaj rau cov cable thiab lwm yam.
Kho Cable Sizing: Xyuas kom meej tias lub hnub ci cov xov xwm tau muaj qhov loj me los daws qhov siab tshaj plaws xav tau tam sim no. Overloading undersized clesles ua rau muaj kev pheej hmoo ntawm kev kub ntxhov thiab tsis ua tiav. Siv cov cable nrog txaus tam sim no-nqa lub peev xwm rau cov kev cia siab.
2.2 Rwb thaiv tsev tsis kam kuaj
Tsis tu ncua kev rwb thaiv tsev rwb thaiv tsev kom ntseeg tau tias lub rwb thaiv tsev ntawm cov xov hlau hnub ci tseem muaj zog. Lub rwb thaiv tsev pab tiv thaiv hluav taws xob hluav taws xob thiab tiv thaiv luv luv ntawm cov neeg saib xyuas thiab hauv av.
Kuaj Meohmeter: Siv tus melohmeter ntsuas cov rwb thaiv tsev tsis kam ntawm cov cable cees saib thiab av. Kev tiv thaiv tsawg kawg20 megaohmsfeem ntau suav tias yog qhov lees txais. Yog tias cov rwb thaiv tsev tsis kam qis dua, tshawb xyuas cov kab rau kev puas tsuaj lossis puas tsuaj.
2.3 xob laim thiab kev tiv thaiv surge
Hnub ci cables, tshwj xeeb tshaj yog nyob rau sab nraum zoov, muaj kev pheej hmoo ntawm kev cuam tshuam los ntawm hluav taws xob surges, suav nrog cov uas tshwm sim los ntawm xob laim.
Surge tiv thaiv: Nruab cov ntsiab lus tiv thaiv (SPDS) ntawm cov ntsiab lus tseem ceeb hauv cov kab ke, xws li cov thawv inverter, thiab AC / DC kev sib txuas. Cov cuab yeej siv no pab tiv thaiv lub hnub ci kab thiab tag nrho cov kab ke los ntawm voltage spikes los ntawm xob laim lossis fais fab tuag.
Qhov System Systems: Xyuas kom meej tias lub hnub ci hluav taws xob tau zoo. Ib lub zog tso pa hluav taws xob yuav pab cuam tshuam cov hluav taws xob ntau dhau los ntawm xob laim lossis tiv thaiv kev puas tsuaj rau cov cable thiab lwm yam.
3. Kev tiv thaiv lub cev kev ntsuas rau cable teeb tsa
Cov kev coj ua kom zoo ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev tiv thaiv kev tiv thaiv thiab kev ua haujlwm ntawm lub hnub ci cables. Hauv qab no yog qee qhov kev txiav txim siab tseem ceeb rau kev tiv thaiv cov cable thaum nruab.
3.1 Cable Kev Coj thiab Txhim Kho
Thaum tso cov khoom ci ntsa iab, cov kev txiav txim siab hauv qab no pab tiv thaiv lawv los ntawm kev puas tsuaj ntawm lub cev:
Tsis txhob ntse khoov: Tsis txhob khoov cov xov hluav taws xob ntawm cov ces kaum Sharper tshaj li lawv cov khoom tsawg kawg nkaus uas yog cov khoom siv hluav taws xob tsawg. Bends ntse tuaj yeem ua rau kev puas tsuaj rau cov rwb thaiv tsev, ua kom luv luv lossis system tsis ua haujlwm.
Txhawb txoj kab cable: Hauv kev teeb tsa sab nraum zoov, txiav txim siab siv cov kab kom nce lossis cov tais cable kom tsis txhob muaj kev sib chwv dej, noo noo ntxiv, noo noo kev nce ntxiv, lossis kev hnav.
Txo qhov kis tau: Thaum twg ua tau, txo qis ntawm cov cable kom muaj kev ntxhov siab ncaj qha thiab muaj kev ntxhov siab ib puag ncig los ntawm kev siv cov khoom siv, lossis lwm yam kev tiv thaiv lossis lwm cov kev tiv thaiv.
3.2 Cov Khaub Ncaws Tiv Thaiv thiab Tsho Tsho
Txhawm rau txhim kho kev tiv thaiv ntawm lub hnub ci sib xyaw tawm tsam cov khoom sab nraud, qee cov nruab nrog opt rau kev tiv thaiv kev tiv thaiv lossis cov tes tsho.
Cov Khaub Ncaws Tiv Thaiv: Qee cov cables tuaj nrog cov txheej txheem ntxiv tsim los ua kom lawv kev tiv thaiv kom muaj kev puas tsuaj ib puag ncig. Txheej ci zoo li tinned tooj liab tuaj yeem pab tiv thaiv kev xeb thiab txhim kho cov txheej txheem tag nrho ntawm cov cable.
Lub tes: Hauv cov cheeb tsam uas tau tshwj xeeb tshaj plaws rau kev puas tsuaj lossis muaj kev ntxhov siab txhua yam, siv cov tes tiv thaiv ntxiv nyob ib ncig ntawm cov cable. Cov no tuaj yeem ua los ntawm cov ntaub ntawv xws li PVC, nylon, lossis PTFE, thiab pab tiv thaiv kev puas tsuaj ntawm lub cev.
4. Kev saib xyuas ib txwm muaj thiab saib xyuas
Kev tiv thaiv ntawm hnub ci clesnles tsis xaus nrog kev teeb tsa. Kev saib xyuas thiab saib xyuas ib txwm yog tsim nyog los xyuas kom meej tias cov cables nyob rau hauv qhov kev pab ntau dua sijhawm.
4.1 Kev kuaj pom kev pom
Ua tej yam pom kev pom ntawm lub hnub ci lub hnub ci, nrhiav ib qho cim ntawm kev puas tsuaj lossis kev tsis sib haum xeeb. Cov teeb meem tshwm sim los saib seb puas muaj:
Tawg los yog rwb thaiv tsev vwm
Discoloration lossis hnav cov cim
Cov neeg xyuas kev coj los yog cov sib txuas
Cov ntaub ntawv pov thawj ntawm kev xeb lossis kev puas tsuaj ntau
4.2 Kev Xeem Ib Yam
Ntxiv rau kev tshuaj xyuas hluav taws xob, kev sim hluav taws xob, suav nrog kev ntsuam xyuas hluav taws xob tiv thaiv, kom paub tseeb tias cov kab txuas ntxiv mus ntsib cov qauv kev nyab xeeb. Txhua qhov kev poob qis hauv rwb thaiv tsev tsis kam yuav qhia qhov tsis ua haujlwm, xav tau kev saib xyuas tam sim ntawd.
4.3 soj ntsuam kev ua tau zoo
Saib xyuas qhov kev ua tau zoo tag nrho ntawm lub hnub ci, suav nrog kev tshawb xyuas rau cov kev sib txuas ntau ntawm cov sib txuas ntawm cable lossis cov cim ntawm voltage poob. Kev soj ntsuam kev ua tau zoo tuaj yeem pab txheeb xyuas cov teeb meem thaum ntxov, tiv thaiv kev ua tsis tau ntawm txoj kab.