Cov qauv thiab cov haujlwm tseem ceeb ntawm lub hnub ci vaj huam sib luag Connection Box

       Solar vaj huam sib luag cov thawvyog siv los ntawm cov kws tshaj lij hluav taws xob los tiv thaiv cov kab hluav taws xob los ntawm kev cuam tshuam ntawm lub cev thiab kab tom los ntawm kev siv cov kab hluav taws xob sab nraum cov cables.Thiab ntawm kev sib txuas ntawm cable (lossis ntawm kaum ntawm cov yeeb nkab cable), siv lub thawv sib txuas raws li kev hloov pauv.Ob txoj hlua cable txuas nrog lub thawv sib txuas, thiab cov kab hauv cov raj txuas nrog hauv lub thawv sib txuas.Hnub ci kev twb kev txuas lub thawv plays lub luag hauj lwm ntawm kev tiv thaiv thiab txuas cov cables.

Lub luag haujlwm ntawm lub thawv hnub ci kev sib txuas yog txuas cov hluav taws xob tsim los ntawm PV module rau cov xaim sab nraud.Txij li cov hnub ci vaj huam sib luag feem ntau yuav tsum tau siv nyob rau hauv qhov hnyav sab nraum zoov thiab muaj kev tiv thaiv txog li 25 xyoo, cov hnub ci vaj huam sib luag kuj muaj cov kev xav tau siab rau cov thawv sib txuas.Ntxiv nrog rau kev ua kom muaj kev ntseeg siab ntawm kev sib txuas, kom ntseeg tau tias kev ruaj ntseg ntawm cov kab hluav taws xob sab hauv, lub hnub ci vaj huam sib luag txuas lub thawv kuj yuav tsum muaj lub siab tiv thaiv kev laus, tiv thaiv UV;kom muaj cov dej tsis zoo thiab plua plav, feem ntau ua tiav IP67 lossis ntau dua;tuaj yeem tiv taus siab tam sim no (feem ntau xav tau ntau dua 20A), qhov hluav taws xob siab (feem ntau 1000 volts, ntau yam khoom tuaj yeem ncav cuag 1500 volts);siv ntau yam ntawm qhov kub thiab txias (-40 ℃ ~ 85 ℃), tsis tshua muaj kev ua haujlwm kub thiab ntau yam yuav tsum tau ua.Tsis tas li ntawd, kom txo qis thiab zam qhov kub ntawm qhov tshwm sim, diodes tau muab tso rau hauv lub thawv hnub ci.

Kev sib xyaw ntawm pv vaj huam sib luag hlws ris lub thawv: lub thawv npog (nrog rau lub nplhaib sib khi), lub thawv lub cev, cov terminals, diodes, cables, thiab connectors.

Cov qauv ntawm Hnub Ci Vaj Huam Sib Luag Txuas Box

1. Lub cev lub cev thiab npog ntawm lub thawv sib txuas

Lub hauv paus khoom ntawm lub thawv lub cev thiab npog ntawm lub hnub ci vaj huam sib luag lub thawv yog feem ntau siv PPO, uas muaj qhov zoo ntawm qhov zoo rigidity, siab kub tsis kam, tsis-combustibility, siab zog thiab zoo heev hluav taws xob khoom.Tsis tas li ntawd, PPO kuj muaj qhov zoo ntawm kev hnav tsis kam, tsis muaj tshuaj lom, muaj kuab paug tsis kam, huab cua tsis zoo, thiab lwm yam. PPO muaj ib qho me me ntawm dielectric tsis tu ncua thiab dielectric poob ntawm engineering plastics, thiab zoo li tsis muaj kev cuam tshuam los ntawm qhov kub thiab txias, cia nws yuav tsum tau siv nyob rau hauv tsawg, nruab nrab thiab siab zaus hluav taws xob teb.PPO ntshiab tsis hloov pauv muaj cov viscosity siab melting, tsis zoo txheej txheem thiab moldability, thiab tsis tuaj yeem molded los ntawm kev txhaj tshuaj molding tshuab.Txhawm rau daws qhov teeb meem no, PPO tuaj yeem hloov kho los ntawm kev siv lub cev lossis tshuaj lom neeg, thiab hloov kho PPO hu ua MPPO.Kub yaj hom MPPO yog molded los ntawm kev txhaj tshuaj molding tshuab los tsim lub thawv lub cev.Txoj kev tsim ntawm lub hau yog tib yam li lub thawv lub cev, tsuas yog cov pwm txawv.Txhawm rau txhim kho cov dej tsis zoo, lub hau yuav muaj lub foob ua los ntawm silicone.

2. Terminal

Lub tswv yim sab ntawm lub davhlau ya nyob twg txuas nrog lub dab dej ntawm lub hnub ci vaj huam sib luag, thiab sab tso zis yog txuas nrog cable.Cov khoom siv ntawm lub davhlau ya nyob twg feem ntau yog tooj liab dawb lossis tinned tooj liab, tin-plated tooj liab yog tooj liab nrog nyias nyias hlau tin txheej rau ntawm qhov chaw.Tin feem ntau ua lub luag haujlwm hauv kev tiv thaiv tooj liab los tiv thaiv tooj liab los ntawm kev oxidized los ua tooj liab ntsuab los cuam tshuam cov conductivity.Nyob rau tib lub sijhawm, qhov qis melting point ntawm tin, yooj yim rau welding, thiab zoo hluav taws xob conductivity, koj tuaj yeem siv chromium-plated tooj liab los ua lub davhlau ya nyob twg.

3. Diode

Diodes muaj cov yam ntxwv ntawm ib tus neeg xyuas pib.Diodes tuaj yeem raug cais raws li rectifier diodes, ceev diodes, voltage regulator diodes thiab lub teeb emitting diodes.

4. PV Cable

Feem ntau siv cables muaj tooj liab lossis tinned tooj liab conductors sab hauv thiab ob txheej tiv thaiv sab nraud, uas yog polyvinyl chloride (PVC) rwb thaiv tsev ntxiv rau PVC tsho, tab sis PVC tsis ua raws li cov kev cai ntawm kev laus thiab muaj halogen, uas tso cov roj chlorine thaum cua sov thiab tsis muaj kev nyab xeeb heev.Photovoltaic cables xav tau irradiated cross-linked polyolefins ntxiv rau cov neeg siv hluav taws xob (irradiation cross-linking thev naus laus zis hais txog kev sib txuas cov tshuaj tiv thaiv ntawm macromolecules ua tiav los ntawm irradiation, kom cov linear polymer dhau los ua polymer nrog peb-degree chaw network qauv, yog li ntawd. nws lub sij hawm ntev tso cai rau kev khiav hauj lwm kub yog nce los ntawm 70 ° C mus rau ntau tshaj 90 ° C, thiab lub luv luv-circuit tso cai kub yog nce los ntawm 140 ° C mus rau ntau tshaj 250 ° C, thaum tswj nws cov thawj zoo hluav taws xob zog thiab txhim kho lub Kev siv tiag tiag ntawm kev ua tau zoo.) Sab hauv lub photovoltaic cable yog tooj liab xaim nrog thaj tsam ntawm 4mm2.Yog hais tias lub nominal tam sim no ntawm lub hnub ci vaj huam sib luag (tsawg dua 10 amps) yog xam, ib tug 2.5mm2 tooj liab hlau yog txaus, tab sis xav tias lub hnub ci vaj huam sib luag feem ntau ua hauj lwm nyob rau hauv lub kub kub, thaum lub peev xwm cable raug txo thiab lub system tam sim no kuj siab. , yuav tsum tau siv qhov chaw hla qhov loj dua ntawm cov hlau tooj liab kom ntseeg tau tias muaj kev nyab xeeb.

5. Cov khoom sib txuas

Connectors thaiv los yog cais ntawm circuits, bridging qhov ntws ntawm tam sim no kom lub Circuit Court ua tiav nws lub hom phiaj.Ib khub ntawm connectors muaj ib tug txiv neej connector thiab ib tug poj niam connector, siv PPO raws li cov khoom insulating.Tus txiv neej connector yog siv rau qhov zoo davhlau ya nyob twg ntawm cov khoom thiab cov poj niam connector yog siv rau qhov tsis zoo davhlau ya nyob twg.

6. Cov kua nplaum nplaum

Ntau lub hnub ci kev sib txuas lub thawv siv silicone potting adhesive los tiv thaiv lawv cov khoom siv sab hauv thiab txhim kho kev ua haujlwm thermal.Junction box potting adhesive yog tsim los ntawm ob qho tib si silicone.Ob hom silicone yog tsim los ntawm A, B ob hom kua nplaum, A hom kua nplaum hu ua kua nplaum, B hom kua nplaum yog hu ua tus neeg sawv cev kho.Thaum AB hom kua nplaum yog tov rau hauv ib qho kev faib ua ntej siv, nws muab tso rau hauv lub thawv sib txuas rau kev kho tom qab sib tov.Cov txheej txheem sib tov yuav tsum tau ceev faj ntxiv kom txo qhov sib xyaw ntawm huab cua.Silicone potting nplaum tuaj yeem kho tau ntawm chav tsev kub (25 ℃) lossis los ntawm cua sov.Chav kub curing potting adhesives kuj tuaj yeem ua kom nrawm los ntawm cua sov.Tus neeg sawv cev kho yuav tsum tau muab sib xyaw ua ntej siv, vim qee qhov nag lossis daus tuaj yeem tshwm sim thaum xa khoom thiab khaws cia.Tus neeg sawv cev kho mob zoo li cuam tshuam nrog cov dej noo hauv huab cua, yog li yuav tsum tau saib xyuas ntxiv kom tsis txhob sib cuag nrog huab cua ua ntej siv.

Muaj nuj nqi ntawm Solar Connection Box

1. MPPT muaj nuj nqi: teeb tsa lub zog siab tshaj plaws nrhiav tshuab thiab tswj cov cuab yeej rau txhua lub vaj huam sib luag los ntawm software thiab kho vajtse, cov cuab yeej no tuaj yeem ua kom muaj peev xwm txhim kho lub zog tsim hluav taws xob txo qis ntawm qhov chaw nres tsheb fais fab los ntawm cov yam ntxwv ntawm cov vaj huam sib luag sib txawv, thiab txo "cov nyhuv chim" ntawm lub zog cog kev ua haujlwm, tuaj yeem ua kom lub zog tsim muaj peev xwm ntawm lub chaw nres tsheb fais fab.Los ntawm cov txiaj ntsig kev xeem, qhov siab tshaj plaws tsim hluav taws xob ua haujlwm ntawm lub kaw lus tuaj yeem nce ntxiv los ntawm 47.5%, nce qhov rov qab los ntawm kev nqis peev thiab txo qis lub sijhawm them rov qab.

2. Kev ua haujlwm ntse kaw nyob rau hauv cov xwm txheej txawv txav xws li hluav taws kub: Thaum muaj hluav taws kub, lub hnub ci kev sib txuas lub thawv tsim-hauv software algorithm yuav koom tes nrog cov khoom siv hluav taws xob los txiav txim siab li ntawm 10 milliseconds seb puas muaj qhov txawv txav tau tshwm sim, thiab pib ua haujlwm rau txiav tawm qhov kev sib txuas ntawm txhua lub vaj huam sib luag, qhov hluav taws xob ntawm 1000V mus txog li 40V tib neeg qhov hluav taws xob tau txais txiaj ntsig los xyuas kom muaj kev nyab xeeb ntawm cov neeg tua hluav taws.

3. Kev siv MOSFET thyristor integrated tswj technology, es tsis txhob ntawm cov tsoos Schottky diode.Thaum shading tshwm sim, koj tuaj yeem pib tam sim no MOSFET bypass tam sim no los tiv thaiv kev nyab xeeb ntawm lub vaj huam sib luag, thaum lub MOSFET vim nws cov yam ntxwv qis VF, yog li ntawd tag nrho cov cua sov tsim nyob rau hauv lub junction box tsuas yog ib feem kaum ntawm lub junction box. , thev naus laus zis zoo heev rau kev pab cuam lub neej ntawm lub thawv sib txuas, kom zoo dua tiv thaiv lub neej ntawm lub roj teeb.