Lub tswvyim dav dav

Txhawm rau kom ua tiav ntawm kev ua haujlwm ntawm photovoltaic (PV) fais fab nroj tsuag, txawm tias me me, nruab rau ntawm lub ru tsev ntawm tsev neeg lub tsev lossis loj, nthuav dav rau thaj chaw dav, nws yog qhov tsim nyog los tsim txoj haujlwm tsim txoj hauv kev. Lub phiaj xwm suav nrog kev xaiv cov tseeb ntawm PV vaj huam sib luag thiab lwm yam xws li kev teeb tsa cov tshuab, cov kab hlau zoo (qhov chaw tsim nyog ntawm cov khoom, kev saib xyuas qhov tseeb ntawm cov cabling, tiv thaiv kev sib tshuam lossis tiv thaiv network) nrog rau kev tiv thaiv sab nraud thiab sab hauv tiv thaiv xob laim thiab overvoltage. LSP Lub Tuam Txhab muaj cov cuab yeej tiv thaiv kom zoo (SPD), uas tuaj yeem tiv thaiv koj cov peev ntawm ib feem ntawm tag nrho cov nqi yuav khoom. Ua ntej ua tiav cov khoom thaiv tiv thaiv kev cia siab, nws yog qhov yuav tsum tau ua kom dhau los ua tus tshwj xeeb nrog cov photovoltaic panels thiab lawv cov kev sib txuas. Cov ntaub ntawv no muab cov ntaub ntawv yooj yim rau kev xaiv ntawm SPD. Nws txhawj xeeb txog qhov siab tshaj plaws hluav taws xob qhib ntawm lub vaj huam sib luag ntawm PV vaj huam sib luag lossis txoj hlua (ib txoj xov ntawm cov txuas txuas nrog hauv kab). Kev sib txuas ntawm PV vaj huam sib luag hauv ib qho ua kom nce tag nrho DC voltage, uas tom qab ntawd hloov mus rau AC voltage hauv inverters. Cov ntawv thov ntau dua tuaj yeem ncav cuag 1000 V DC. Lub voj voos qhib hluav taws xob ntawm lub vaj huam sib luag PV yog txiav txim siab los ntawm qhov siv ntawm lub hnub ci poob rau ntawm lub vaj huam sib luag hlwb thiab qhov ntsuas kub. Nws nce nrog hluav taws xob nce zuj zus, tab sis nws poob nrog nce hauv qhov kub thiab txias.

Lwm lub ntsiab tseem ceeb cuam tshuam nrog daim ntawv thov ntawm ib qho hluav taws xob tiv thaiv ib puag ncig sab nraud - tus pas nrig hluav taws xob. Cov txheej txheem CSN EN 62305 ed.2 ntawm Kev Tiv Thaiv tiv thaiv xob laim, Ntu 1 txog 4 txhais cov hom poob, muaj kev phom sij, tiv thaiv xob laim, tiv thaiv xob laim ntau qib thiab qhov sib nrug txaus. Cov plaub tiv thaiv xob tiv thaiv qib no (I txog IV) txiav txim siab cov kev txwv ntawm xob laim ntaus thiab txiav txim siab tau muab los ntawm qib kev phom sij.

Hauv txoj ntsiab cai, muaj ob qho xwm txheej. Hauv rooj plaub thawj zaug, kev tiv thaiv ib qho khoom los ntawm kev tiv thaiv hluav taws xob sab nraud yog qhov xav tau, tab sis qhov sib nqus (piv txwv li qhov kev ncua deb ntawm huab cua txiav tawm network thiab PV system) tsis tuaj yeem tswj tau. Nyob rau cov xwm txheej no, nws yog qhov yuav tsum ua kom lub galvanic sib txuas ntawm cov huab cua-txiav tawm network thiab cov qauv kev txhawb nqa ntawm PV panels lossis PV vaj huam sib luag thav duab. Xob laim xob tam sim no kuv_imp (impulse tam sim no nrog rau qhov ntsuas ntawm 10/350 μs) tuaj yeem nkag mus rau DC circuits; yog li nws yog qhov tsim nyog los nruab hom 1 txheej txheem tiv thaiv kev tiv thaiv. LSP muaj cov kev daws teeb meem zoo dua nyob rau hauv daim ntawv ntawm sib xyaw ua ke 1 + 2 hom kev tiv thaiv hluav taws xob tiv thaiv FLP7-PV series, uas yog tsim rau qhov ntsuas hluav taws xob ntawm 600 V, 800 V thiab 1000 V nrog lossis tsis muaj teeb meem rau tej thaj chaw deb. Hauv rooj plaub thib ob, tsis muaj qhov xav tau los ua kom cov khoom tiv thaiv los ntawm kev tiv thaiv xob laim ntawm sab nraud, lossis qhov chaw nyob ze yuav raug tswj tau. Hauv qhov xwm txheej no, xob laim hluav taws xob tsis tuaj yeem nkag mus rau DC Circuit Court thiab tsuas yog ntxias cov kev hloov siab tshaj yog suav tias (impulse tam sim no nrog qhov ntsuas ntawm 8/20 )s), qhov twg ib hom 2 txheej tiv thaiv kev tiv thaiv txaus, xws li SLP40-PV series, uas tsim tawm rau qhov voltage ntawm 600 V, 800 V, thiab 1000 V, ib zaug ntxiv nrog lossis tsis muaj teeb liab rau tej thaj chaw deb.

Thaum ua tiav cov txheej txheem tiv thaiv kev tiv thaiv zoo, peb yuav tsum xav txog AC sab nrog rau cov ntaub ntawv thiab kev sib txuas lus, uas tau siv raws li kev lag luam PV niaj hnub no. Chaw nres hluav taws xob PV kuj tau raug teeb meem ntawm ib sab ntawm DC (xa khoom) network. Ntawm seem no, qhov kev xaiv ntawm tus tsim nyog SPD muaj ntau qhov dav dua thiab nyob ntawm daim ntawv thov muab. Ua tus tiv thaiv thoob ntiaj teb, peb pom zoo kom niaj hnub FLP25GR series cuab yeej, uas txuas nrog txhua yam peb 1 + 2 + 3 hom li ntawm tsib metres los ntawm qhov chaw nruab. Nws muaj cov yam ntxwv sib txuas ua ke thiab cov xob ntes. LSP muaj ntau cov txheej txheem tiv thaiv kab ke rau cov ntsuas thiab cov kev cai raws li cov kab xa cov ntaub ntawv. Cov hom inverters tshiab feem ntau yog nruab nrog kev cuam tshuam uas tso cai rau kev saib xyuas ntawm txhua qhov system. Cov khoom suav nrog ntau hom kev cuam tshuam thiab ntau yam hluav taws xob rau ntau zaus thiab xaiv cov nqi ntau. Ua piv txwv, peb tuaj yeem pom zoo DIN Rail mounted SPDs FLD2 series lossis PoE surge tiv thaiv ND CAT-6A / EA.

Xav txog cov piv txwv hauv qab no ntawm peb qhov kev siv: chaw nres tsheb PV hluav taws xob me me ntawm lub tsev ntawm tsev neeg, qhov chaw nres tsheb nruab nrab ntawm lub ru tsev ntawm cov chaw tswj hwm lossis cov tsev lag luam thiab cov chaw ua si hnub ci loj txuas rau ntawm daim phiaj loj.

Tsev neeg

Raws li tau hais hauv lub tswv yim dav dav ntawm cov khoom siv tiv thaiv kev tiv thaiv rau PV systems, qhov kev xaiv ntawm cov khoom tshwj xeeb muaj feem cuam tshuam los ntawm ntau yam. Tag nrho cov khoom LSP rau PV daim ntaub ntawv siv tau hloov mus rau DC 600 V, 800 V thiab 1000 V. Cov hluav taws xob tshwj xeeb yog ib txwm xaiv raws li qhov ntau tshaj qhov qhib hluav taws xob voltage tau teev tseg los ntawm cov chaw tsim khoom nyob rau hauv cov kev xaiv ntawm cov kev npaj ntawm PV panels nrog ca 15 % tseg rau. Rau tsev neeg lub tsev - qhov chaw nres tsheb PV fais fab me me, peb pom zoo cov khoom ntawm FLP7-PV series ntawm DC sab (ntawm cov xwm txheej hais tias tsev neeg lub tsev tsis xav kom muaj kev tiv thaiv sab nraud tiv thaiv xob laim lossis qhov sib nrug deb ntawm huab cua txiav tawm network thiab PV system yog tswj xyuas), lossis SLP40-PV series (yog tias lub tshuab cua xa hluav taws xob sib txuas tau ntawm lub deb luv dua li qhov sib nrug deb). Raws li FLP7-PV chav tsev yog 1 + 2 hom sib xyaw ua ke (tiv thaiv ob qho tib si tiv thaiv hluav taws xob ib nrab thiab overvoltage) thiab tus nqi sib txawv tsis zoo, cov khoom no tuaj yeem siv rau ob qho kev xaiv, yog li tiv thaiv tib neeg yuam kev yog tias qhov phiaj xwm tsis pom zoo tag nrho.

Ntawm AC sab, peb pom zoo thov cov FLP12,5 series cuab yeej hauv lub tsev cov neeg xa khoom loj. Nws yog tsim hauv qhov kho ruaj ruaj thiab hloov tawm tau FLP12,5 series. Yog hais tias lub inverter yog qhov chaw nyob hauv qhov chaw nyob ze ntawm tus xa khoom tseem ceeb, AC sab tiv thaiv los ntawm kev tiv thaiv kev tiv thaiv zoo ntawm cov khoom xa khoom tseem ceeb. Yog tias nws nyob rau piv txwv nyob rau hauv lub ru tsev ntawm lub tsev, nws yog qhov yuav tsum tau rov ua qhov teeb tsa ntawm hom 2 txheej tiv thaiv kev tiv thaiv, piv txwv li SLP40 koob (dua nyob rau hauv cov tsau lossis hloov tau) hauv cov xa tawm feem ntau nyob ib sab ntawm inverter. Peb muab tag nrho cov tau hais los ntawm cov khoom tiv thaiv kev tiv thaiv zoo rau DC thiab AC systems kuj nyob rau hauv cov teeb liab teeb liab. Rau cov ntaub ntawv thiab kev sib txuas lus kab, peb pom zoo kom nruab DIN kev tsheb nqaj hlau mounted FLD2 kab thaiv kev tiv thaiv ntaus nrog ntsia hlau txiav.

TYP 1 + 2 / HOOB I + II / TN-S / TT

FLP12,5-275 / 1S + 1 yog ob-kab, hlau oxide varistor xob laim thiab raug ntes kaw, sib xyaw nrog roj tso pa tawm hom 1 + 2 raws li EN 61643-11 thiab IEC 61643-11. Cov neeg raug ntes no tau pom zoo kom siv rau ntawm Xob laim Kev Tshawb Fawb Ntse ntawm qhov ciaj ciam ntawm LPZ 0 - 1 (raws li IEC 1312-1 thiab EN 62305 ed.2), qhov chaw uas lawv muab qhov sib luag ntawm qhov sib koom thiab tso tawm ntawm ob qho tib si, xob laim tam sim no thiab lub tshuab hluav taws xob hloov pauv hloov, uas tau tsim tawm hauv cov tshuab hluav taws xob nkag mus rau lub tsev. Kev siv ntawm xob laim tam sim no cov neeg ntes FLP12,5-275 / 1S + 1 feem ntau nyob hauv cov kab hluav taws xob, uas tau ua haujlwm raws li TN-S thiab TT cov kab ke. Kev siv loj ntawm FLP12,5-275 / 1S + 1 series tus neeg raug ntes yog nyob hauv cov qauv ntawm LPL III - IV raws li EN 62305 ed.2. Cov cim ntawm “S” qhia meej ib qho qauv nrog kev saib xyuas chaw taws teeb.

TYP 1 + 2 / HOOB I + II / TN-S / TT

FLP7-PV series yog lub teeb hluav taws xob thiab cov neeg ntes ntes hom 1 + 2 raws li EN 61643-11 thiab IEC 61643-11 thiab UTE C 61-740-51. Cov neeg raug ntes no tau pom zoo kom siv rau ntawm Xob laim Kev Tshawb Fawb Ntse ntawm qhov ciaj ciam ntawm LPZ 0-2 (raws li IEC 1312-1 thiab EN 62305) rau kev sib koom ua ke ntawm qhov zoo thiab tsis zoo busbars ntawm cov tshuab photovoltaic thiab tshem tawm ntawm kev hloov pauv siab uas tuaj thaum lub sijhawm. cov cua paug tawm lossis hloov mus ua haujlwm. Tshwj xeeb varistor cov cheeb tsam, txuas nrog cov terminals L +, L- thiab PE, muaj nruab nrog sab hauv disconnectors, uas tau qhib thaum cov varistors swb (overheat). Kev ua haujlwm ntawm cov haujlwm ntawm cov disconnectors yog qee yam kev pom (tshem tawm ntawm lub teeb liab) thiab nrog kev saib xyuas cov chaw taws teeb.

Kev tswj hwm thiab chaw tsim khoom

Cov kev cai tseem ceeb rau cov khoom siv tiv thaiv kev ntxhov siab kuj siv rau daim ntawv thov no. Yog tias peb tsis quav ntsej txog qhov hluav taws xob, qhov kev txiav txim siab tau yog dua qhov tsim ntawm huab cua-txiav tawm network. Txhua lub chaw tswj hwm lossis lub tsev lag luam feem ntau yuav tsum tau nruab nrog thaiv kev tiv thaiv kev tawm sab nraud. Qhov zoo tshaj, PV fais fab nroj tsuag tau muab tso rau hauv qhov chaw tiv thaiv ntawm kev tiv thaiv sab nraud ntawm lub teeb hluav taws xob tiv thaiv sab nraud thiab qhov sib sib zog tsawg kawg ntawm lub tshuab cua tshaj tawm thiab lub kaw lus PV (nruab nrab ntawm cov hluav taws xob tiag lossis lawv cov qauv kev txhawb nqa) raug tswj. Yog hais tias qhov kev ncua deb ntawm huab cua txiav tawm network yog qhov loj dua li qhov sib ze, peb tsuas tuaj yeem xav txog cov nyhuv ntawm kev cuam tshuam overvoltage thiab nruab ib hom 2 txheej tiv thaiv ntaus, piv txwv li SLP40-PV series. Txawm li cas los xij, peb tseem pom zoo kom lub teeb tsa ntawm cov sib xyaw ua ke 1 + 2 hom kev tiv thaiv hluav taws xob tiv thaiv, uas muaj peev xwm tiv thaiv tiv thaiv xob laim ib nrab ntawm cov hluav taws xob raws li muaj feem cuam tshuam. Ib qho ntawm cov cuab yeej tiv thaiv no yog SLP40-PV chav tsev, uas yog tus yam ntxwv hloov tau tab sis muaj qhov qis dua me ntsis kev muaj peev xwm dua li FLP7-PV, uas muaj peev xwm loj dua sib xws thiab yog li tsim nyog rau cov kev siv loj dua. Yog hais tias qhov tsawg kawg nkaus arcing nrug tsis tuaj yeem tswj tau, nws yog qhov yuav tsum ua kom muaj kev sib txuas ntawm galvanic ntawm txoj kab uas hla ntawm txhua qhov kev coj ua ntawm PV system thiab sab nraud tiv thaiv xob laim. Tag nrho cov khoom tiv thaiv hluav taws xob no tau teeb tsa hauv cov xa khoom rau ntawm DC sab ua ntej cov inlet rau qhov inverter. Yog tias muaj daim ntawv thov loj dua qhov twg cov xaim hlua ntev lossis yog siv cov kab xav siv, nws yog qhov tsim nyog kom rov ua qhov thaiv tiv thaiv txawm nyob hauv cov chaw no.

Qhov 1 + 2 hom FLP25GR ntaus ntawv yog qauv pom zoo rau lub tsev cov neeg xa khoom tseem ceeb ntawm AC kab nkag. Nws nta ob npaug varistors kom muaj kev nyab xeeb siab dua thiab tuaj yeem khav theeb qhov tam sim no ntawm 25 kA / ncej. Chav tsev FLP25GR, ib qho kev hloov pauv tshiab hauv kev tiv thaiv kev tiv thaiv hnyav, suav tag nrho peb 1 + 2 + 3 hom thiab muaj kev sib txuam ntawm cov varistors thiab xob laim ntes, yog li muab ntau yam txiaj ntsig. Ob qho ntawm cov khoom lag luam no yuav tiv thaiv lub tsev kom zoo thiab zoo. Feem ntau, inverter yuav nyob nrog lub chaw xa khoom tseem ceeb, yog li nws yuav tsim nyog dua los txhim kho cov khoom tiv thaiv kom zoo nyob rau hauv tus neeg faib khoom sai tom qab AC qhov hluav taws xob. Ntawm no peb tuaj yeem rov ua qhov 1 + 2 qib kev tiv thaiv kev tiv thaiv nrog cov khoom siv FLP12,5, uas yog tsim nyob rau hauv qhov hloov pauv thiab hloov pauv tau FLP12,5 lossis tsuas yog SPD hom 2 ntawm III koob (dua nyob rau hauv cov chaw hloov pauv thiab hloov chaw). Peb muab tag nrho cov tau hais los ntawm cov khoom tiv thaiv kev tiv thaiv zoo rau DC thiab AC lub nruab nrog rau hauv cov cim hluav taws xob.

TYP 1 + 2 / HOOB I + II / TN-S / TT

FLP25GR / 3 + 1 yog graphite tawm qhov sib txawv Hom 1 + 2 raws li EN 61643-11 thiab IEC 61643-11.These raug pom zoo rau siv rau ntawm Xob Laim Kev Tiv Thaiv Kev Tshawb Fawb ntawm thaj tsam ntawm LPZ 0-1 (raws li IEC 1312 -1 thiab EN 62305), qhov uas lawv muab txoj kev sib luag thiab qhov sib txawv ntawm ob qho tib si, xob laim tam sim no thiab hloov hluav taws xob, uas tau tsim hluav taws xob hauv tshuab fais fab nkag mus hauv lub tsev. Kev siv ntawm xob laim tam sim no cov neeg ntes FLP25GR / 3 + 1 feem ntau yog hauv cov khoom siv fais fab, uas tau ua haujlwm raws li TN-S thiab TT systems. Kev siv loj ntawm FLP25GR / 3 + 1 tus raug ntes yog nyob hauv cov qauv ntawm LPL I - II raws li EN 62305 ed.2. Ob chav terminals ntawm lub cuab yeej tso cai "V" kev sib txuas ntawm qhov siab tshaj plaws tam sim no-nqa lub peev xwm ntawm 315A.

TYP 1 + 2 / HOOB I + II / TN-S / TT

FLP7-PV yog cov siv hluav taws xob thiab cov neeg raug ntes ntau yam 1 + 2 raws li EN 61643-11 thiab IEC 61643-11 thiab UTE C 61-740-51. Cov neeg raug ntes no tau pom zoo kom siv rau ntawm Xob laim Kev Tshawb Fawb Ntse ntawm qhov ciaj ciam ntawm LPZ 0-2 (raws li IEC 1312-1 thiab EN 62305) rau kev sib koom ua ke ntawm qhov zoo thiab tsis zoo busbars ntawm cov tshuab photovoltaic thiab tshem tawm ntawm kev hloov pauv siab uas tuaj thaum lub sijhawm. cov cua paug tawm lossis hloov mus ua haujlwm. Tshwj xeeb varistor cov cheeb tsam, txuas nrog cov davhlau ya nyob twg L +, L- thiab PE, muaj nruab nrog sab hauv tshuab txuas hluav taws xob, uas tau ua haujlwm thaum cov varistors swb (overheat). Kev ua haujlwm ntawm cov cai ntawm cov disconnectors yog pom ib nrab (tshem tawm ntawm lub teeb liab) thiab ib feem kev saib xyuas tej thaj chaw deb (los ntawm kev hloov pauv dawb ntawm cov neeg).

HLB 1-2-3

TLP yog qhov nyuaj ntawm cov khoom tiv thaiv kom zoo tsim los rau kev tiv thaiv cov ntaub ntawv, kev sib txuas lus, ntsuas thiab tswj kab tiv thaiv kev cuam tshuam kev hloov. Cov cuab yeej tiv thaiv kev laus no tau pom zoo kom siv rau ntawm Xob Laim Kev Tshawb Fawb Ntse ntawm thaj tsam ntawm LPZ 0_{A (B)} - 1 raws li EN 62305. Txhua hom muab kev tiv thaiv zoo ntawm cov khoom siv sib txuas tiv thaiv cov hom sib xws thiab cov qauv sib txawv raws li IEC 61643-21. Cov ntaus nqi tam sim no ntawm cov tib neeg tiv thaiv kab I_L <0,1A. Cov cuab yeej siv no suav nrog cov pa roj paug tawm ntawm cov leeg, muaj qhov tsis sib xws thiab hloov chaw. Tus lej ntawm cov khub tiv thaiv yog xaiv tau (1-2). Cov cuab yeej siv no yog tsim tawm rau cov nominal voltage tsis pub dhau ntawm 6V-170V. Qhov siab tshaj tawm tam sim no yog 10kA (8/20). Rau kev tiv thaiv ntawm cov xov tooj, nws raug nquahu kom siv ib hom nrog nominal voltage U_N= 170V

ZPO 2-3

Cov txheej txheem tiv thaiv kom zoo rau lub koos pis tawj tau tsim tshwj xeeb rau kev nyab xeeb cov ntaub ntawv hloov pauv tsis pub dhau lub koos pij tawj sib pab pawg 5. Lawv tiv thaiv cov xov tooj hluav taws xob sib txuas ntawm cov npav network tiv thaiv kev puas tsuaj uas tshwm sim los ntawm kev cuam tshuam hauv Lightning Tiv Thaiv Tshav Xaj ntawm thaj tsam ntawm LPZ 0_{A (B)} -1 thiab siab dua raws li EN 62305. Nws raug nquahu kom siv cov khoom tiv thaiv no ntawm cov tswv yim ntawm cov khoom tiv thaiv.

Loj photovoltaic chaw nres tsheb fais fab

Lub tshuab hluav taws xob sab nraud tiv thaiv tsis tau nquag ntsia hauv cov chaw kaw hluav taws xob loj loj. Tom qab, kev siv ntawm hom 2 tiv thaiv tsis yooj yim sua thiab nws yog qhov tsim nyog los siv 1 + 2 hom txheej txheem tiv thaiv. Lub kaw lus ntawm cov tshuab hluav taws xob loj PV txuas nrog lub hauv paus loj loj inverter nrog cov khoom tsim tawm ntawm ntau pua kW lossis kev faib tawm qhov loj nrog qhov loj dua ntawm cov ntsuas hluav taws xob me. Qhov ntev ntawm kab hauv kab yog ib qho tseem ceeb tsis yog rau kev tshem tawm ntawm kev poob, tab sis kuj tseem ua kom zoo dua ntawm kev tiv thaiv kev txhim kho. Thaum muaj qhov nruab nrab inverter, DC cab hluav taws xob los ntawm cov hlua ib leeg tau ua rau cov kab mloog ntawm qhov uas ib tus DC cable xa mus rau central inverter. Vim hais tias qhov ntev ntawm cov xov tooj cua, uas tuaj yeem ncav cuag ntau pua lub zog hauv PV loj zog chaw nres tsheb, thiab muaj peev xwm tiv thaiv hluav taws xob ncaj qha ntawm cov kab kab lossis ncaj qha rau PV vaj huam sib luag, nws yog ib qho tseem ceeb rau nruab 1 + 2 hom kev tiv thaiv ntaus rau txhua tus kab kab tshuaj txawm tias ua ntej nkag mus rau hauv nruab nrab inverter. Peb pom zoo kom FLP7-PV chav nrog muaj peev xwm ntau dua kev diverting. Yog tias qhov kev ua haujlwm tsis yooj yim, yuav tsum tau siv cov khoom thaiv tiv thaiv ua ntej txhua qhov DC inlet rau qhov ntsuas. Peb tuaj yeem rov siv FLP7-PV chav ntsuas. Hauv ob qho xwm txheej, peb yuav tsum tsis txhob hnov ​​qab txuas rau txhua qhov ntawm cov hlau nrog lub ntsej muag kom sib npaug nrog lub peev xwm.

Rau AC sab tom qab qhov hluav taws xob los ntawm nruab nrab inverter, peb pom zoo FLP25GR chav tsev. Cov khoom tiv thaiv hluav taws xob no pub rau cov av loj ntawm cov av qis rau 25 kA / ncej. Yog tias qhov kev ua haujlwm tsis yooj yim, nws yog qhov tsim nyog los nruab cov khoom tiv thaiv kev tiv thaiv, piv txwv li FLP12,5, tom qab txhua qhov hluav taws xob AC tawm ntawm lub inverter thiab rov ua qhov kev tiv thaiv los ntawm hais FLP25GR cov cuab yeej hauv lub hauv paus loj AC. AC kab ntawm qhov hluav taws xob los ntawm nruab nrab inverter lossis lub ntsiab AC faib tawm feem ntau ua rau lub chaw hloov hluav taws xob nyob ze qhov twg qhov hluav taws xob hloov mus rau HV lossis VHV thiab tom qab ntawd coj mus rau lub zog hluav taws xob sab saud. Vim tias muaj qhov yuav siab dua ntawm lub teeb hluav taws xob ncaj qha ncaj qha ntawm lub zog fais fab, ib qho kev ua haujlwm siab 1 qhov siab tiv thaiv cov cuab yeej yuav tsum tau nruab rau ntawm qhov chaw nres tsheb. LSP Lub Tuam Txhab muab nws cov khoom siv FLP50GR, uas yog ntau dua li tsim nyog rau cov ntawv thov no. Nws yog qhov sib txawv ntawm cov hluav taws xob uas muaj peev xwm hloov tau lub ntsej muag xob laim ntawm 50 kA / ncej.

Txhawm rau kom paub tseeb ua haujlwm ntawm lub chaw nres tsheb fais fab loj thiab qhov siab tshaj plaws, PV fais fab chaw nres tsheb tau saib xyuas los ntawm cov kev ntsuas hluav taws xob niaj hnub thiab kev tswj hwm kev lag luam zoo li qhov hloov cov ntaub ntawv mus rau chav tswj. Cov tshuab sib txawv ua haujlwm nrog ntau thaj tsam thiab LSP muab kev tiv thaiv ntawm txhua cov txheej txheem qauv siv. Zoo li hauv cov ntawv thov dhau los, peb tsuas yog ib feem ntawm cov khoom lag luam ntawm no, tab sis peb muaj peev xwm muab ntau lub tswv yim xav tau.

LSP Lub Tuam Txhab muaj sawv cev rau ntau lub tebchaws thiab nws cov neeg ua haujlwm tsim nyog tau npaj los pab koj nrog xaiv cov khoom siv tiv thaiv kom zoo rau cov ntawv thov lossis cov tswv yim kev txawj ntse ntawm koj qhov haujlwm tshwj xeeb. Koj tseem tuaj yeem mus saib peb lub vev xaib ntawm www.LSP.com qhov chaw koj tuaj yeem tiv tauj peb cov neeg sawv cev ua lag luam thiab nrhiav kev ua tiav ntawm peb cov khoom lag luam, uas txhua tus ua raws li tus txheej txheem thoob ntiaj teb IEC 61643-11: 2011 / EN 61643-11: 2012.

TYP 1 + 2 / HOOB I + II / TN-S / TT

FLP12,5-xxx / 3 + 1 yog cov hlau oxide varistor xob laim thiab paim ntes, ua ke nrog roj tso pa tawm hom 1 + 2 raws li EN 61643-11 thiab IEC 61643-11.Qhov no tau pom zoo siv rau hauv Cov Hluav Taws Xob Tawm Tsam. Lub tswv yim ntawm tus ciaj ciam ntawm LPZ 0-1 (raws li IEC 1312-1 thiab EN 62305), qhov chaw uas lawv muab cov khoom sib luag thiab cov paug tawm ntawm ob qho tib si, xob laim tam sim no thiab hloov hluav taws xob, uas tau tsim hauv lub zog hluav taws xob nkag mus hauv lub tsev Cov. Kev siv xob laim ntawm cov neeg raug ntes tam sim no FLP12,5-xxx / 3 + 1 feem ntau yog hauv cov khoom siv hluav taws xob, uas tau ua haujlwm raws li TN-S thiab TT systems. Kev siv loj ntawm FLP12,5-xxx / 3 + 1 tus raug ntes yog nyob hauv cov qauv ntawm LPL I - II raws li EN 62305 ed.2.

TYP 1 + 2 / HOOB I + II / TN-S / TT

FLP25GR-xxx / 3 + 1 yog cov hlau oxide varistor xob laim thiab cov neeg ntes ntes, nrog rau cov roj tawm ntawm cov raj xa hluav taws xob hom 1 + 2 raws li EN 61643-11 thiab IEC 61643-11.Qhov no tau pom zoo rau siv nyob rau hauv Cov Hluav Taws Xob Tawm Tsam Qhov Ruam ntawm cov ciaj ciam ntawm LPZ 0-1 (raws li IEC 1312-1 thiab EN 62305), qhov chaw uas lawv muab cov khoom sib luag thiab kev tso tawm ntawm ob qho tib si, xob laim tam sim no thiab hloov mus hloov, uas tau tsim hauv lub tshuab hluav taws xob nkag mus hauv lub tsev. Kev siv xob laim ntawm cov neeg raug ntes tam sim no FLP12,5-xxx / 3 + 1 feem ntau yog hauv cov khoom siv hluav taws xob, uas tau ua haujlwm raws li TN-S thiab TT systems. Kev siv loj ntawm FLP25GR-xxx tus neeg raug ntes yog nyob hauv cov qauv ntawm LPL III - IV raws li EN 62305 ed.2.

TYP 1 + 2 / HOOB I + II

FLP7-PV yog lub teeb hluav taws xob thiab cov neeg raug ntes ntes yam 1 + 2 raws li EN 61643-11 thiab EN 50539. Nws yog tsim rau kev tiv thaiv zoo thiab tsis zoo npav ntawm photovoltaic tshuab los tiv thaiv kev cuam tshuam txog kev sib tsoo. Cov neeg raug ntes no tau pom zoo kom siv rau ntawm Xob laim Kev Tshawb Fawb Tshab ntawm thaj tsam ntawm LPZ 0-2 (raws li IEC 1312-1and EN 62305). Tshwj xeeb varistor cov chaw muaj nruab nrog sab hauv disconnectors, uas tau qhib thaum cov varistors swb (overheat). Ib qho kev ua haujlwm ntawm kev txheeb xyuas ntawm cov disconnectors yog qee yam tshuab (los ntawm exserted liab teeb liab phiaj thaum tsis ua haujlwm) thiab nrog cov chaw taws teeb xyuas.

HLB 1-2-3

TLP yog qhov nyuaj ntawm cov khoom tiv thaiv kom zoo tsim los rau kev tiv thaiv cov ntaub ntawv, kev sib txuas lus, ntsuas thiab tswj kab tiv thaiv kev cuam tshuam kev hloov. Cov cuab yeej tiv thaiv kev laus no tau pom zoo kom siv rau ntawm Xob Laim Kev Tshawb Fawb Ntse ntawm thaj tsam ntawm LPZ 0_{A (B)} - 1 raws li EN 62305. Txhua hom muab kev tiv thaiv zoo ntawm cov khoom siv sib txuas tiv thaiv cov hom sib xws thiab cov qauv sib txawv raws li IEC 61643-21. Cov ntaus nqi tam sim no ntawm cov tib neeg tiv thaiv kab I_L <0,1A. Cov cuab yeej siv no suav nrog cov pa roj paug tawm ntawm cov leeg, muaj qhov tsis sib xws thiab hloov chaw. Tus lej ntawm cov khub tiv thaiv yog xaiv tau (1-2). Cov cuab yeej siv no yog tsim tawm rau cov nominal voltage tsis pub dhau ntawm 6V-170V. Qhov siab tshaj tawm tam sim no yog 10kA (8/20). Rau kev tiv thaiv ntawm cov xov tooj, nws raug nquahu kom siv ib hom nrog nominal voltage U_N= 170V.