Yuav ua li cas xyuas lub hnub ci system? Cov ntsiab lus tseem ceeb ntawm kev kuaj lub cev yog dab tsi?
PV module kuaj lub cev
Lub zog ntawm photovoltaic system los ntawm photovoltaic modules. Qhov tshwm sim ntawm cov kab nrib pleb, kub qhov chaw, plua plav tsub zuj zuj, thiab kev xaim tsis zoo hauv cov khoom siv hluav taws xob photovoltaic yuav cuam tshuam ncaj qha rau lub zog tsim hluav taws xob ntawm lub chaw nres tsheb fais fab. Yog li ntawd, kev kuaj lub cev ntawm cov modules yog qhov tsim nyog heev. Cov kauj ruam kuaj lub cev yog raws li nram no:
01
Cov khoom siv plua plav
Component plua plav tsub zuj zuj yog qhov teeb meem tshaj plaws hauv kev ua haujlwm. Yog tias koj xav kom lub chaw nres tsheb fais fab los tsim lub zog siab, nws yog ib qho tsim nyog yuav tsum ua kom lub teeb pom kev zoo ntawm cov khoom kom huv si. Yog tias muaj plua plav, nws tuaj yeem ntxuav nrog txhuam mos thiab dej huv. Lub zog ntawm kev siv yuav tsum yog me me. Nws yog txwv tsis pub so cov photovoltaic modules nrog cov khoom tawv, thiab tsis txhob ntxuav nrog cov kuab tshuaj corrosive. Yog tias muaj daus, nws yuav tsum tau muab ntxuav rau lub sijhawm; Ua thaum sawv ntxov lossis yav tsaus ntuj thaum lub teeb qis.
02
PV module xyuas kev ncaj ncees
Photovoltaic modules yuav tsum tau tshuaj xyuas tsis tu ncua, xws li peb lub hlis twg lossis txhua xyoo. Yog tias iav tawg, lub nraub qaum yog kub hnyiab, roj teeb tsis muaj xim, lub thawv sib txuas tsis yog kaw nruj nreem, deformed thiab twisted, tawg los yog kub hnyiab, plugs yog xoob, poob tawm, thiab corrode, thiab lwm yam. Kho los yog hloov nyob rau hauv lub sij hawm.
03
Photovoltaic module shading soj ntsuam
Lub chaw nres tsheb fais fab khiav tawm sab nraum lub sijhawm ntev thiab feem ntau cia tsis muaj neeg saib xyuas. Nws yog ib qho tsim nyog los xyuas seb puas muaj cov nroj tsuag loj hlob tshiab lossis lwm yam khoom uas thaiv cov khoom. Yog tias muaj cov duab ntxoov ntxoo, lawv yuav tsum tau ua nrog rau lub sijhawm kom tsis txhob cuam tshuam rau cov khoom siv hluav taws xob thiab kev tsim hluav taws xob.
04
Component Wiring Check
For photovoltaic modules with metal frames, the frame and the bracket should be in good contact, make sure that the mounting bolts have been firmly connected to the oxide film of the aluminum frame, the frame must be firmly grounded, and the grounding resistance should not be greater than 4Ω.
05
Txoj hlua khi tam sim no
Siv DC clamp- hom ammeter los ntsuas cov tswv yim tam sim no ntawm txhua txoj hlua PV module txuas nrog tib lub inverter nyob rau hauv cov xwm txheej uas lub hnub ci siv hluav taws xob yog tib yam. Qhov sib txawv tam sim no ntawm tib tus qauv thiab tib pab pawg ntawm cov modules feem ntau tsis ntau tshaj 5 feem pua. , yuav tsum tau kuaj xyuas lub sijhawm.
06
Thermal imaging soj ntsuam ntawm cov khoom
Yog tias muaj kev tso cai, ib qho infrared thermal imager tuaj yeem tsim kom pom qhov sib txawv ntawm qhov kub thiab txias ntawm sab nrauv ntawm photovoltaic module; nws tuaj yeem tshawb xyuas qhov kev noj qab haus huv ntawm cov khoom siv hluav taws xob hauv lub cev, thiab tiv thaiv kom tsis txhob muaj hluav taws xob poob thiab muaj kev nyab xeeb rau lub sijhawm.
Kev kuaj lub cev Inverter
Lub inverter yog lub hlwb ntawm qhov chaw nres tsheb photovoltaic. Cov ntaub ntawv xov xwm kev khiav hauj lwm sab nraud ntawm qhov chaw nres tsheb photovoltaic yog qhov pib xa los ntawm inverter. Kev khiav hauj lwm ntawm lub inverter kuj yog ib qho tseem ceeb hauv kev ntsuam xyuas lub cev. Cov khoom soj ntsuam yog raws li nram no:
01
Inverter zoo li kev soj ntsuam
Cov qauv inverter thiab kev sib txuas hluav taws xob yuav tsum tau khaws cia, thiab yuav tsum tsis muaj xeb, plua plav, thiab lwm yam; yuav tsum tsis muaj kev vibration loj thiab suab nrov txawv txav thaum lub kiv cua txias khiav. , tswj kom zoo txias thiab qhov cua.
02
Inverter Wiring Check
Ua tib zoo xyuas thiab tsis tu ncua xyuas seb cov xaim ntawm txhua qhov puas yog xoob (xws li fuses, kiv cua, cov tswv yim thiab cov khoom siv tawm, thiab cov av hauv av, thiab lwm yam), thiab kho cov hlua xoob tam sim ntawd.
03
Inverter saib xyuas cov ntaub ntawv
Cov inverters tam sim no txhua tus muaj lub luag haujlwm ntawm kev soj ntsuam kev sib txuas lus ntse. Thaum lub sij hawm kuaj lub cev, nws yog ib qho tsim nyog yuav tau xyuas seb cov ntaub ntawv sib txuas lus ntawm lub inverter yog qhov qub, seb lub inverters ntawm tib lub peev xwm nyob rau tib lub sij hawm, thiab seb lub zog generated nyob ze. Yog tias nws pom tias lub inverter qhia tau hais tias lub zog loj sib txawv, los xyuas qhov ua rau lub sijhawm; tib lub sijhawm, koj tuaj yeem saib cov ntaub ntawv ua haujlwm thiab qhov txhaum cai ntawm lub chaw nres tsheb fais fab los ntawm Growatt saib APP lossis nplooj ntawv web, uas yooj yim los nrhiav qhov ua txhaum.
04
Kev tiv thaiv kev ua haujlwm xyuas
Yog hais tias lub Circuit Court breaker ntawm AC tso zis sab (daim phiaj-sab txuas) yog disconnected ib zaug tsis tu ncua, lub inverter yuav tsum tam sim ntawd ua anti-Islanding tiv thaiv kev txiav txim thiab tso tseg tsis pub noj fais fab rau daim phiaj. Txoj haujlwm no tuaj yeem ua kom muaj kev nyab xeeb ntawm kev ua haujlwm thiab cov neeg ua haujlwm tu.
Kev kuaj lub cev ntawm lub thawv xa khoom
Muaj ntau lub tshuab hluav taws xob, kev tiv thaiv xob laim thiab lwm yam khoom siv hluav taws xob hauv lub thawv hluav taws xob photovoltaic, thiab nws kuj yog qhov chaw uas muaj qhov tsis zoo tshwm sim ntau zaus.
01
Tshawb xyuas qhov hloov hluav taws xob
Lub thawv hluav taws xob photovoltaic feem ntau suav nrog cov khoom siv hluav taws xob xws li AC Circuit Court breakers, hluav taws xob tiv thaiv hluav taws xob thiab riam hloov. Thaum lub sijhawm kuaj lub cev, qhov zoo ntawm cov keyboards feem ntau yog kuaj xyuas. Txawm hais tias tsis muaj kev nqis tes ua lossis kev puas tsuaj, tshwj xeeb tshaj yog cov khoom siv hluav taws xob sab nraum zoov, uas ua rau muaj kev cuam tshuam ntawm cov hluav taws xob hluav taws xob, nws yuav tsum tsis tu ncua xyuas seb qhov hluav taws xob tiv thaiv hluav taws xob yog qhov zoo.
02
Kev kuaj kab hluav taws xob
Lub hwj chim faib lub thawv yuav tsum dhau los ntawm qhov loj tam sim no ntawm AC sab ntawm lub inverter, uas yog nquag ua kom muaj cua sov cov ntsiab lus. Thaum lub sij hawm kuaj lub cev, nws yuav tsum tau xyuas seb lub terminals puas muaj cua sov loj, blackening, burning thiab lwm yam txawv txav. Yog tias pom, lawv yuav tsum tau hloov lub sijhawm. Nyob rau tib lub sijhawm, qhov nkag thiab qhov hluav taws xob sab ntawm lub thawv xa khoom yuav tsum tau muab ntim nrog cov av nkos tiv thaiv kom tsis txhob muaj tsiaj xws li cov tsiaj reptiles lossis nas nkag mus rau hauv lub thawv xa tawm sab nraum zoov thiab ua rau luv luv - Circuit Court faults.
Kev kuaj lub cev ntawm kev txhawb nqa photovoltaic
Lub luag hauj lwm ntawm photovoltaic brackets nyob rau hauv photovoltaic systems yog los tiv thaiv photovoltaic modules uas muaj peev xwm tiv taus lub ntiajteb txawj nqus ntawm photovoltaic modules rau 25 xyoo thiab tsis raug puas los ntawm tej yam ntuj tso tej yam kev mob xws li cua daj cua dub thiab hnyav daus. Cov ntaub ntawv ntawm cov brackets feem ntau yog stainless hlau thiab galvanized steel, thiab lwm yam. Feem ntau, compression kuj, muaj zog cua tsis kam thiab corrosion kuj zoo heev.
01
Tshawb xyuas kev ruaj ntseg
Photovoltaic brackets tau raug cua thiab los nag rau lub sij hawm ntev sab nraum zoov, thiab cov connectors tau yooj yim loosened vim muaj ntau yam tensions. Thaum lub sij hawm kuaj lub cev, nws yog ib qho tsim nyog yuav tsum tau xyuas tias tag nrho cov bolts, welds thiab bracket sib txuas yuav tsum ruaj khov thiab txhim khu kev qha, thiab kev ruaj ntseg ntawm cov khoom siv yuav tsum tau kuaj xyuas. Yog hais tias lub bracket bolts thiab ceev yog xoob, lawv yuav tsum tau stabilized nyob rau hauv lub sij hawm.
02
Kev tshuaj xyuas corrosion kuj
Raws li qhov tseeb ntawm qhov chaw teeb tsa, xws li nyob rau hauv qhov kub thiab txias qhov chaw ua haujlwm, nws yog ib qho tsim nyog yuav tsum tsis tu ncua xyuas seb cov hlau bracket puas xeb.
03
taug qab bracket
Rau lub hnub ci cell array txhawb nqa nrog polar axis tsis siv neeg taug qab qhov system, nws yog ib qho tsim nyog yuav tsum tau xyuas kom tsis tu ncua seb cov khoom siv hluav taws xob thiab hluav taws xob ntawm kev taug qab yog qhov qub.
Kev kuaj lub cev ntawm cov kab mob
AC thiab DC cables feem ntau muab zais ua haujlwm hauv cov tshuab photovoltaic. Cov cables yuav muab tso rau hauv cov kav dej lossis los ntawm cov choj. Kev tshuaj xyuas yog qhov nyuaj me ntsis, tab sis nws tsis tuaj yeem tsis quav ntsej.
01
Kev tshuaj xyuas qhov muag
Cov kab hluav taws xob photovoltaic txuas ntawm cov modules yuav tsum tau khi ruaj khov, tsis muaj xoob lossis puas; daim ntawv qhia cable yuav tsum tsis txhob ploj los yog puas, thiab kev txheeb xyuas thiab kev sau ntawv ntawm txhua txoj hlua yuav tsum meej thiab yooj yim los txheeb xyuas. Yog tias muaj kev puas tsuaj, nws yuav tsum tau hloov raws sijhawm. Rau cables thiab terminals txuas rau sab nraum zoov thiab overhead kab, xyuas seb cov terminals puas tiav, thiab seb cov kev sib cuag ntawm cov hlau lead yog kub los yog dub.
02
Kev kuaj xyuas
Qhov chaw ntawm qhov nkag thiab qhov hluav taws xob ntawm cov khoom siv xws li cov thawv sib txuas thiab cov txuas hniav yuav tsum raug kaw kom zoo, thiab yuav tsum tsis txhob muaj qhov loj dua 10 hli inch, uas yuav tsum tau thaiv cov av nkos.
03
Cable Integrity Check
Xyuas kom tseeb tias cov cable terminals yog zoo grounded, lub tes tsho insulating yog zoo lawm, huv si, thiab tsis muaj ib tug flashover paug; xyuas kom meej tias cov cables muaj cov xim theem pom tseeb; rau ntau lub cables nteg nyob rau hauv parallel, xyuas qhov kev faib tawm tam sim no thiab qhov kub thiab txias ntawm cable sheath tiv thaiv kev puas tsuaj los ntawm kev sib cuag tsis zoo Qhov kev sib txuas ntawm lub cable raug hlawv; lub cable yuav tsum tsis txhob khiav nyob rau hauv lub overload, thiab cov hlau lead pob ntawm lub cable yuav tsum tsis txhob nthuav los yog tawg; qhov twg lub cable muaj ntau lub siab thiab nro ntawm cov khoom siv plhaub, qhov kev txhawb nqa ntawm lub cable yuav tsum tsis muaj zog; tshawb xyuas Thaum lub cable sab hauv yog qhib rau hauv lub trench, nws yog ib qho tsim nyog los tiv thaiv kev puas tsuaj rau cable; xyuas kom meej tias lub bracket yog grounded thiab lub tshav kub dissipation nyob rau hauv lub trench yog zoo.
04
hauv av kuaj
Lub tais hlau hlau thiab nws cov kev txhawb nqa thiab cov khoom siv hlau nkag los yog tawm yuav tsum yog hauv av (PE) lossis xoom- txuas (PEN) ntseeg tau; lub tais thiab lub tais yuav tsum tau txuas nrog lub hauv av xaim kom ntseeg tau.
Thaum lub caij ntuj no, lub zog tsim hluav taws xob ntawm photovoltaic fais fab nroj tsuag txo qis, yog li tsis tas yuav ntshai. Qhov no yog ib txwm tshwm sim, vim hais tias lub sij hawm ntawm tshav ntuj nyob rau hauv feem ntau cov cheeb tsam yuav luv luv nyob rau hauv lub caij ntuj no. Nyob rau lub sijhawm no, nws yog ib qho tsim nyog yuav tsum ua tiav ib xyoos - xaus kev kuaj lub cev rau lub chaw nres tsheb fais fab, kom tsis txhob ncua lub zog tsim hluav taws xob, tab sis kuj yuav tsum tau coj mus rau kev ruaj ntseg thiab siv hluav taws xob txuas ntxiv nyob rau yav tom ntej xyoo.