Ua rau Kev Ntsuam Xyuas Hluav Taws Xob ntawm DC Sab ntawm PV Fais Fab Tsim Txheej Txheem

Lub tshuab hluav taws xob photovoltaic tau los ze zog rau peb lub neej.Cov duab hauv qab no qhia txog qee qhov xwm txheej ntawm kev tsim hluav taws xob photovoltaic, uas yuav tsum ua kom muaj kev saib xyuas zoo ntawm cov kws kho mob photovoltaic.

Cov laj thawj yog raws li nram no:

1. Tus Pin Crimping ntawm PV Cable thiab Connector yog tsis tsim nyog

Vim yog qhov tsis sib xws ntawm cov neeg ua haujlwm tsim kho, lossis cov neeg tsim kho tsis tau muab kev cob qhia rau cov neeg ua haujlwm, qhov tsis tsim nyog crimping ntawm photovoltaic connector pins yog lub ntsiab ntawm kev sib cuag tsis zoo ntawm PV cable thiab connector, tab sis kuj yog ib qho tseem ceeb. ua rau muaj xwm txheej nyob rau hauv lub tshuab hluav taws xob photovoltaic.Photovoltaic cable thiab connector tsuas yog ib qho yooj yim kev twb kev txuas, ze li ntawm 1000V liab qab cable yuav poob tawm ntawm connector txhua lub sij hawm ntawm lub pob zeb ru tsev, ua rau hluav taws kub.

Yog tias koj xav paub qhov tseeb kev txiav txim siab ntawm MC4 connector, koj tuaj yeem nyeem:Yuav Ua Li Cas MC4 Connectors?

2. Cov teeb meem sib txuam ntawm PV Solar Connectors ntawm ntau hom

Hauv paus ntsiab lus,PV hnub ci connectorsntawm tib hom thiab qauv yuav tsum tau siv rau kev sib txuas.Txhua lub inverter yeej los nrog tib tus naj npawb ntawm photovoltaic connectors, thov nco ntsoov siv cov khoom sib txuam rau nruab.Ntev npaum li nws tau teeb tsa kom raug, kev sib txuas ntawm sab inverter feem ntau tsis muaj teeb meem.Txawm li cas los xij, tseem muaj teeb meem ntawm cov khoom siv sab.Vim muaj ntau hom khoom ntawm photovoltaic connectors nyob rau hauv kev ua lag luam, lub koom haum tivthaiv tsis tau muab txuam connectors.

Peb muaj peb lub tswv yim rau qhov no: ua ntej, yuav pv vaj huam sib luag connectors ntawm tib hom li lub hnub ci panels;Qhov thib ob, txiav tawm lub connector kawg ntawm txoj hlua thiab hloov nws nrog ib tug connector ntawm tib hom thiab hom;Thib peb, yog tias koj yuav tsum siv PV connectors ntawm ntau hom, koj tuaj yeem txiav tawm ib txheej ntawm lawv thiab ntxig rau lawv nrog cov connectors koj yuav.Yog hais tias lub connector ntsaws ruaj ruaj, ua lub tshuab ua haujlwm ntawm cov txuas txuas txuas.Yog tias muaj cua nkag, cov khoom siv no tsis tuaj yeem siv nrog ib leeg.Tom qab ntawd siv lub multimeter los xyuas seb qhov sib txuas txuas txuas puas txuas nrog.Nws tsis tuaj yeem siv thaum txiav tawm.Vim qhov teeb meem ntawm kev sib raug zoo, kev sib cuag tsis zoo los yog cov dej xau kuj yog ib qho ua rau muaj hluav taws kub.

Vim li cas nws tsis pom zoo kom siv cov khoom sib txuas ntawm cov npe sib txawv?, qhov laj thawj tseem ceeb yog tias ntau lub tuam txhab tuaj yeem thov tias lawv cov khoom tuaj yeem sib xws nrog Stäubli's MC4.Txawm hais tias qhov no yog qhov teeb meem, vim qhov teeb meem ntawm qhov zoo thiab qhov tsis zoo, tsis muaj kev lees paub tias cov khoom lag luam ntawm cov tuam txhab tsis-Stäubli tuaj yeem sib xyaw ua ke.Yog tias ob lub npe sib txawv ntawm cov khoom siv hluav taws xob photovoltaic muaj cov ntawv tshaj tawm kev sib tw sib tw, koj tuaj yeem siv nws nrog kev ntseeg siab.

3. Ib lossis ob peb lub voj voog zoo thiab tsis zoo ntawm PV hlua txuas rov qab

Feem ntau, lub inverter muaj ntau yam MPPTs.Txhawm rau txo cov nqi, nws tsis tuaj yeem nqa ib MPPT rau txhua lub voj voog.Yog li ntawd, nyob rau hauv ib tug MPPT, 2 ~ 3 pawg ntawm photovoltaic connectors yog feem ntau input nyob rau hauv parallel.Ib qho inverter uas lees tias muaj qhov kev sib txuas rov qab tuaj yeem lav qhov kev tiv thaiv kev tiv thaiv rov qab thaum ib lossis ntau qhov ntawm tib MPPT txuas nrog rov qab tib lub sijhawm.Yog tias nyob rau hauv tib lub MPP, ib feem ntawm nws thim rov qab, nws yog qhov sib npaug rau kev sib txuas cov ncej zoo thiab qhov tsis zoo ntawm ob lub roj teeb sib txawv kiag li nrog lub zog ntawm ze li ntawm 1000V.Qhov tam sim no generated nyob rau lub sij hawm no yuav yog infinite, tsis muaj kab sib txuas los tsim lub inverter sab connector los yog inverter hluav taws kub sib tsoo.

Tus yuam sij los daws cov teeb meem zoo li no lossis kev tsim kho ntawm cov teeb meem normative, tom qab ua tiav ntawm kev tso cov khoom, raws li DC cable kab tsim cov duab kos, txhua tus liab PV DC cable tag nrho cov cim zoo, kom muaj kev ruaj ntseg thiab kev txheeb xyuas txoj hlua zoo ib yam.Ntawm no yog ib kab lus siv tau los ua kev cob qhia: "cov ntsiab lus zoo, cov kab txuas ntxiv tsuas yog txuas ntxiv ntawm cov kab lus zoo, yuav tsum yog qhov zoo".Hais txog lub cim ntawm lub module extension cable, xyuas kom meej tias cov hlua sib txawv ntawm lub inverter kawg yuav tsis meej pem.

4. Kev ua haujlwm tsis muaj dej tsis zoo ntawm qhov zoo O-Ring ntawm qhov txuas thiab T-Ring ntawm Tail End tsis yog raws li tus qauv.

Cov teeb meem zoo li no yuav tsis tshwm sim nyob rau lub sijhawm luv luv, tab sis yog tias nws yog lub caij los nag, thiab PV cable connectors connector yog nyob rau hauv ib puag ncig los nag-soaked.Lub high-voltage direct tam sim no yuav tsim ib lub voj nrog hauv av, ua rau muaj hluav taws xob sib tsoo.Qhov teeb meem no yog kev xaiv ntawm lub connector, thiab yuav luag tsis muaj leej twg yuav xyuam xim rau cov teeb meem dej tsis zoo tiag tiag ntawm lub connector.Cov dej tsis zoo IP65 thiab IP67 ntawm cov khoom siv hluav taws xob photovoltaic yog qhov yuav tsum tau ua ua ntej, thiab nws yuav tsum tau sib phim nrog cov xov tooj hluav taws xob photovoltaic ntawm qhov loj me.Piv txwv li, Stäubli cov pa MC4 muaj peb cov qauv sib txawv: 5 ~ 6MM, 5.5 ~ 7.4MM, 5.9 ~ 8.8MM.Yog hais tias lub sab nraud ntawm lub cable yog 5.5, Stäubli connectors circulating nyob rau hauv lub lag luam tsis yog ib tug teeb meem loj, tab sis yog hais tias ib tug neeg xaiv MC4 ntawm 5.9-8.8MM, lub zais txaus ntshai ntawm kev sib tsoo yuav ib txwm muaj.Ntawm qhov teeb meem ntawm qhov zoo pem hauv ntej O-ring, cov qauv dav dav photovoltaic connectors thiab lawv tus kheej cov tuam txhab ua ke nrog ob peb cov teeb meem dej tsis zoo, tab sis tsis muaj kev sim thiab lwm cov tuam ntxhab mus nrog kev siv cov teeb meem tsis muaj dej tsis zoo.

5. PV DC Connectors lossis PV Cables nyob rau hauv ib puag ncig ntub dej ntev

Yuav luag txhua leej txhua tus xav tias cov khoom siv hluav taws xob ntawm cov xov hluav taws xob photovoltaic thiab cov khoom siv hluav taws xob photovoltaic yog them nrog lwm cov ntaub ntawv, thiab cov khoom siv PV tau lees tias tsis muaj dej.Qhov tseeb, tsis muaj dej tsis tau txhais hais tias nws tuaj yeem khaws cia hauv dej kom ntev.IP68 hnub ci txuas txhais tau hais tias cov khoom txuas ua ntej photovoltaic txuas nrog cable yog raus hauv dej, thiab sab saum toj yog 0.15 ~ 1 meter deb ntawm dej saum npoo rau 30 feeb yam tsis muaj kev cuam tshuam rau kev ua haujlwm.Tab sis yuav ua li cas yog tias nws nyob hauv dej rau 10 hnub lossis ntau dua?

PV cables tam sim no nyob rau hauv kev ua lag luam suav nrog PV1-F, H1Z2Z2-K, 62930IEC131 kuj tseem tuaj yeem ua rau lub sijhawm luv luv, xws li lub sijhawm luv luv, lossis txawm tias dej tsub zuj zuj, tab sis lub sijhawm dej tsis tuaj yeem ntev dhau, kom ceev ceev thiab cua qhuav.Photovoltaic cable hluav taws vim hais tias kev tsim kho sab ntawm lub photovoltaic cable faus nyob rau hauv ib tug swampy cheeb tsam, los ntawm lub sij hawm ntev soaking dej, photovoltaic cable nyob rau hauv cov dej nkag tau los ntawm kev tawg ntawm arc hlawv.Nyob rau hauv qhov tshwj xeeb no, nteg photovoltaic cable los ntawm lub raj yog feem ntau yuav tua hluav taws, yog vim li cas yog lub sij hawm ntev tsub zuj zuj ntawm dej nyob rau hauv lub PVC yeeb nkab.Yog tias koj xav tau nteg nrog PVC yeeb nkab casing, nco ntsoov cia PVC yeeb nkab lub qhov ncauj nqes, los yog nyob rau hauv qhov qis tshaj dej theem ntawm cov yeeb nkab PVC rau xuas nrig ntaus ib co qhov los tiv thaiv dej tsub zuj zuj.

Tam sim no, cov khoom siv hluav taws xob tsis zoo photovoltaic cable, txawv teb chaws xaiv AD8 cov txheej txheem kev tsim dej tsis zoo, qee cov tuam txhab tsim khoom siv qhwv ib ncig ntawm cov dej thaiv, ntxiv rau aluminium-yas integrated sheath daim ntawv ntawm ntau lawm.

Thaum kawg, cov kab hluav taws xob photovoltaic zoo tib yam tsis tuaj yeem tso rau hauv dej kom ntev, thiab tsis tuaj yeem ua haujlwm hauv qhov kub thiab txias ib puag ncig rau lub sijhawm ntev.Los ntawm qhov no, cov neeg ua haujlwm tsim kho tuaj yeem ua cov txheej txheem ua haujlwm nrog kev tsim kho tiag tiag.

6. Cov tawv nqaij PV Cable yog khawb los yog khoov heev thaum lub sij hawm tso

Kev khawb ntawm daim tawv nqaij yuav ua rau txo cov rwb thaiv tsev kev ua tau zoo thiab huab cua tsis kam ntawm lub cable.Hauv kev tsim kho, cable dabtsi yog khoov yog feem ntau.Tus txheej txheem teev tseg tias qhov tsawg kawg yog khoov txoj kab uas hla yuav tsum siab tshaj 4 npaug ntawm txoj kab uas hla, thiab txoj kab uas hla ntawm 4 square photovoltaic cables yog hais txog 6MM.Yog li ntawd, txoj kab uas hla ntawm lub arc ntawm qhov khoov yuav tsum tsis pub tsawg tshaj 24MM, uas yog sib npaug rau leej niam Qhov loj ntawm lub voj voog tsim los ntawm tus ntiv tes thiab ntiv tes ntsuas.

7. Nyob rau hauv lub Grid-Connected State, ntsaws thiab unplug lub PV DC Connector

Nyob rau hauv daim phiaj-txuas lub xeev, plugging thiab unplugging lub connector yuav tsim ib tug hluav taws xob arc, uas yuav ua rau raug mob.Yog hais tias lub arc ntxiv ignites flammable tshuaj, nws yuav ua rau muaj kev huam yuaj loj.Yog li ntawd, nco ntsoov ua kev saib xyuas tom qab tshem tawm cov khoom siv hluav taws xob AC, thiab cov txheej txheem photovoltaic yuav tsum tau muab tua kom ntseeg tau tias muaj kev nyab xeeb mus ntev.

8. Txhua qhov taw tes hauv PV hlua hlua yog Grounded los yog tsim ib txoj kev nrog tus choj

Qhov xwm txheej uas ua rau ib qho taw tes hauv PV hlua hlua yuav tsum tau hauv av los yog tsim ib txoj hauv kev nrog tus choj yog qhov nyuaj dua, nrog rau kev siv lub sijhawm ntev ntawm PV cables uas tau hais los saum no, kev teeb tsa PV txuas ntawm cov kab txuas ntxiv, thiab nto ntawm cov cables raug khawb thaum lub sij hawm tsim kho los yog cov tawv nqaij cable yuav raug tom los ntawm tus nas thaum siv, thiab xob laim yuav tawg, thiab lwm yam.