Nrog txoj kev loj hlob sai ntawm lub ntiaj teb tshiab lub zog kev lag luam, photovoltaic (PV) tau dhau los ua kev siv lub zog huv si rau cov lag luam, cov chaw ua si, cov tsev lag luam thiab cov neeg siv khoom. Txawm li cas los xij, piv rau cov kev faib tawm ib txwm muaj, cov tshuab photovoltaic feem ntau tau teeb tsa rau hauv lub tsev ru tsev, hauv qhov chaw qhib lossis hauv cov chaw tsim hluav taws xob PV loj, ua rau lawv raug cuam tshuam rau ib puag ncig ntuj, ua rau lawv muaj kev cuam tshuam rau xob laim thiab kab sib chaws.
Raws li cov chaw tsim khoom surge protector (SPD), peb pom tias ntau qhov kev ua haujlwm PV tsis ua haujlwm tsis yog los ntawm cov qauv lawv tus kheej, tab sis los ntawm cov khoom siv hluav taws xob dhau los uas ua rau kev puas tsuaj rau inverters, cov cuab yeej saib xyuas, lossis kev sib txuas lus. Yog li ntawd, nyob rau hauv niaj hnub PV project tsim, surge protectors tsis yog xaiv tau lawm, tab sis ib tug tseem ceeb feem ntawm kev ua kom muaj kev ruaj ntseg ntawm lub system.
Yog li vim li cas thiaj li photovoltaic systems yuav tsum muaj surge protectors? Daim ntawv no yuav txheeb xyuas qhov no los ntawm qhov kev xav ntawm kev siv tswv yim.
1.Photovoltaic systems muaj kev cuam tshuam ntau dua rau kev cuam tshuam ntawm xob laim
Tsis zoo li cov khoom siv hluav taws xob sab hauv tsev, feem ntau ntawm cov khoom siv hauv PV system yog ntsia sab nraum zoov rau lub sijhawm ntev.
Piv txwv li:
Photovoltaic modules
Combiner Box
Rocking System
DC Cables
Inverter
Lawv feem ntau nyob hauv ib cheeb tsam loj thiab nyob ze ntawm qhov chaw siab tshaj ntawm lub tsev.
Thaum xob laim tshwm sim, lub zog hluav taws xob muaj zog tuaj yeem tsim los ntawm electromagnetic induction, txawm tias nws tsis ncaj qha mus rau photovoltaic system.
Qhov kev hloov pauv tam sim no dhau mus sai sai raws li lub voj voog thiab cuam tshuam rau cov khoom siv hauv lub cev.
Yog li ntawd, PV system yog ib qho kev thov raug teeb meem nrog kev pheej hmoo ntawm xob laim.
2. Kev tiv thaiv cov khoom siv tseem ceeb xws li inverters
Inverters feem ntau yog ib qho tseem ceeb tshaj plaws thiab tseem ceeb tshaj plaws hauv tag nrho PV system.
Nws lub luag haujlwm tseem ceeb yog hloov cov tam sim no ncaj qha (DC tsim los ntawm PV sib dhos rau hauv alternating tam sim no thiab txuas mus rau daim phiaj hluav taws xob.
Txawm li cas los xij, lub inverter suav nrog ntau cov khoom siv hluav taws xob sophisticated.
Piv txwv li:
IGBT modules
Tswj Circuit Court
Kev sib txuas lus module
Saib xyuas qhov system
Cov khoom siv hluav taws xob no muaj kev nkag siab zoo rau overvoltage.
Thaum cuam tshuam los ntawm kev nce siab, nws tuaj yeem ua rau:
Qhov system kaw
Kev sib txuas lus cuam tshuam
Lub zog poob
Cov cuab yeej puas
Txhim kho surge protectors tuaj yeem txo qhov cuam tshuam ntawm kev cuam tshuam dhau ntawm lub inverter..
3. Tiv thaiv kev puas tsuaj rau PV Modules thiab Combiner Boxes
Ntau tus neeg xav tias xob laim tsuas yog cuam tshuam rau lub inverter.
Qhov tseeb, PV Cheebtsam thiab cov thawv sib txuas kuj muaj kev pheej hmoo. Tshwj xeeb tshaj yog, nyob rau hauv loj - cov phiaj xwm loj hauv av:
Loj photovoltaic array cheeb tsam;
Ntev ntawm kab
Muaj kev pheej hmoo ua rau xob laim
Raws li qhov nce mus raws DC kab, nws tuaj yeem ua rau:
Degraded module kev ua tau zoo
cov thawv sib xyaw
Incineration terminals
DC sab surge tiv thaiv tuaj yeem tso tawm sai sai ua ntej qhov kev nce siab nkag mus rau hauv lub cuab yeej, txo qhov kev pheej hmoo ntawm kev puas tsuaj.
4.Txo qhov system downtime thiab fais fab tuag poob
Rau kev lag luam thiab kev lag luam photovoltaic tej yaam num, system downtime txhais tau hais tias ncaj qha nyiaj txiag poob.
Piv txwv li:
Tsawg zog tsim cov nyiaj tau los
Kev cuam tshuam ntau lawm
Cov nqi kho mob ntxiv
Yog tias cov cuab yeej tseem ceeb raug puas tsuaj los ntawm kev nce siab, kev kho thiab hloov pauv feem ntau siv sijhawm ntev.
Thaum muaj kev kub ntxhov tshwm sim, SPD hnov mob sai sai kom txwv tsis pub dhau lub zog mus rau qhov chaw nyab xeeb.
Qhov no yuav pab txhim kho qhov txuas ntxiv ntawm qhov system thiab txo qhov kev pheej hmoo ntawm kev poob qis.
5. Cov tshuab photovoltaic muaj kev pheej hmoo ntawm AC thiab DC
Piv nrog rau lub zog zoo tib yam, photovoltaic system yog qhov tshwj xeeb hauv cov qauv.
Nws suav nrog:
DC Sab
Xws li:
Photovoltaic Modules
Photovoltaic hlua
Combiner Box
Inverter Input
Kev Sib Txuas Lus Sab
Xws li:
Inverter tso zis
Kev faib khoom txee
Txuas daim phiaj tiam system
Thunderstorms tuaj yeem nkag mus rau hauv qhov system los ntawm DC thiab AC sab.
Yog li ntawd, ib tug ua tiav photovoltaic xob tiv thaiv kev daws teeb meem feem ntau yuav tsum tau:
DC SPD
AC SPD
Kev tiv thaiv ob npaug.
Qhov no tsim ib qho kev tiv thaiv tag nrho.
6. Ua raws li kev lag luam thiab Engineering Specifications
Nrog rau kev tswj hwm ntawm kev lag luam photovoltaic, ntau thiab ntau lub teb chaws thiab cheeb tsam xav tau cov haujlwm yuav tsum tau nruab nrog kev tiv thaiv kev tiv thaiv kev kub ntxhov.
Tshwj xeeb:
Kev lag luam thiab kev lag luam Photovoltaic Projects
Cov av loj - tau nruab cov chaw nres tsheb fais fab
Photovoltaic systems nyob rau hauv pej xeem vaj tse
Nyob rau theem tsim, nws yog feem ntau yuav tsum tau xav txog:
Kev soj ntsuam kev pheej hmoo xob laim
SPD Configuration Scheme
Grounding System Tsim
Cov txheej txheem yuav tsum tsis yog tsuas yog pab txhim kho kev nyab xeeb ntawm lub cev, tab sis kuj txhim kho qhov kev lees paub ntawm qhov project.
7. Kev tiv thaiv kev soj ntsuam thiab kev sib txuas lus
Niaj hnub nimno photovoltaic nroj tsuag tsis tsuas yog cia siab rau kev ua haujlwm ntawm cov cuab yeej tsim hluav taws xob, tab sis kuj xav tau ntau cov cuab yeej ntse saib xyuas.
Piv txwv li:
Cov khoom siv tau cov ntaub ntawv
Environmental monitoring systems
Kev sib txuas lus module
Chaw taws teeb saib xyuas platforms
Cov cuab yeej no feem ntau siv cov khoom hluav taws xob tsawg-voltage.
Lawv yog cov yooj yim rau surges dua li cov khoom siv hluav taws xob.
Yog li ntawd, kev tiv thaiv surge tsis tsuas yog tiv thaiv lub zog tsim hluav taws xob nws tus kheej, tab sis kuj tseem tiv thaiv kev ua haujlwm ruaj khov ntawm tag nrho cov saib xyuas network.
8. Txhim kho tag nrho cov nyiaj rov qab los ntawm kev nqis peev ntawm qhov system
Los ntawm qhov project peev taw tes ntawm view, tus nqi ntawm surge protectors feem ntau yog ib feem me me ntawm tag nrho cov peev hauv photovoltaic systems.
Txawm li cas los xij, tus nqi uas lawv nqa yog loj heev.
Xws li:
Txo qhov kev pheej hmoo ntawm kev puas tsuaj rau cov khoom siv
Cov nqi kho mob qis dua
Ua kom muaj qhov system muaj
Extension ntawm cov khoom siv lifespan
Txhim kho kev ruaj ntseg ntawm hluav taws xob tsim cov nyiaj tau los
Tsim nyog SPD teeb tsa yog tus nqi -kev nqis peev zoo rau PV cov nroj tsuag nrog lub neej tsim ntau tshaj 20 xyoo.
Vim li cas ntau thiab ntau cov haujlwm photovoltaic hais txog SPD kev teeb tsa?
Nrog kev nce qib ntawm kev txawj ntse ntawm inverter thiab kev nthuav dav ntawm qhov chaw nres tsheb photovoltaic, tus nqi ntawm cov cuab yeej siv thiab cov txheej txheem nyuaj kuj nce ntxiv.
Nyob rau hauv qhov kev tshwm sim ntawm surge kev puas tsuaj, nws yuav tsis tsuas ua rau ib tug tsis ua hauj lwm cov cuab yeej, tab sis kuj cuam tshuam rau lub lag luam ntawm tag nrho cov nroj tsuag.
Raws li qhov tshwm sim, ntau thiab ntau txoj haujlwm koom nrog kev tiv thaiv kev tiv thaiv rau hauv lawv cov qauv tsim los ntawm cov theem ntxov tshaj plaws ntawm kev tsim kho.
Surge savers (SPDs) tau dhau los ua qhov tseem ceeb rau cov tshuab photovoltaic niaj hnub xws li cov hluav taws xob hluav taws xob thiab fuses.
Xaus:
PV systems ua haujlwm sab nraum zoov ntev ntev thiab ntsib kev pheej hmoo xws li xob laim tawm tsam, kab sib chaws hloov pauv thiab ua rau muaj kev cuam tshuam ntau dhau. Txhim kho surge protectors tsis tsuas yog tiv thaiv inverters, PV Cheebtsam thiab saib xyuas cov khoom los ntawm surge kev puas tsuaj, tab sis kuj yuav txo tau downtime, txo tus nqi txij nkawm thiab txhim kho lub sij hawm ntev - kev cia siab ntawm lub hwj chim tsim systems. Kev teeb tsa AC sab surge protectors tau dhau los ua ib kauj ruam tseem ceeb rau cov tswv uas xav kom muaj kev nyab xeeb thiab rov qab los ntawm kev nqis peev rau PV tej yaam num.
FAQ Puas yog PV system xav tau surge protectors?
Rau feem ntau PV tej yaam num, nws raug pom zoo kom muab lub hom phiaj tshwj xeeb tso tawm cov cuab yeej, tshwj xeeb tshaj yog nyob rau hauv sab nraum zoov systems thiab cov cheeb tsam uas muaj hluav taws xob siab.
Muaj pes tsawg SPDs xav tau PV system?
Surge protectors feem ntau yuav tsum tau muab ntsia rau ntawm ob sab DC thiab AC los tsim ib qho kev tiv thaiv tiav.
Puas tuaj yeem tiv thaiv hluav taws xob tiv thaiv hluav taws xob ncaj qha?
SPD (Sustaining Voltage Detectors) feem ntau yog siv los txwv cov hluav taws xob hluav taws xob los ntawm xob laim. Kev tiv thaiv hluav taws xob ncaj qha kuj yuav tsum tau siv cov hlua hluav taws xob thiab cov tshuab hauv av.
Vim li cas photovoltaic inverters raug rau nthwv dej loj?
Inverters muaj ntau yam khoom siv hluav taws xob uas muaj kev nkag siab zoo rau cov kev hloov pauv dhau los thiab yog li xav tau kev tiv thaiv hauv nruab nrab.
SPD puas tuaj yeem tiv thaiv cov cuab yeej txuas ntxiv tom qab ua tsis tiav?
Tsis yog. Lub kaw lus yuav tsum tau hloov tam sim tom qab tas sij hawm lossis ua haujlwm tsis zoo. Txwv tsis pub, lub kaw lus yuav plam nws txoj kev tiv thaiv kev tiv thaiv zoo.