Hom Lub Zog Cia Inverters Lub zog cia inverters thev naus laus zis txoj kev: muaj ob txoj hauv kev loj ntawm DC coupling thiab AC txuas PV cia system, suav nrog hnub ci modules, controllers, inverters, lithium hauv tsev roj teeb, loads thiab lwm yam khoom siv. Tam sim no,Lub zog cia inverterFeem ntau yog ob txoj hauv kev: DC coupling thiab AC coupling. AC los yog DC coupling yog hais txog txoj kev hnub ci vaj huam sib luag txuas los yog txuas nrog lub kaw lus cia lossis roj teeb. Hom kev sib txuas ntawm hnub ci modules thiab roj teeb tuaj yeem yog AC lossis DC. Feem ntau cov hluav taws xob siv hluav taws xob siv hluav taws xob DC, nrog lub hnub ci module tsim hluav taws xob DC thiab lub roj teeb khaws cia DC lub zog, tab sis feem ntau cov khoom siv khiav ntawm AC zog. 
Hybrid Solar System + Zog Cia System Hybrid hnub ci inverter + lub zog cia tshuab, qhov twg DC lub zog los ntawm PV modules khaws cia, ntawm tus maub los, hauv ib qholithium roj teeb lub tsev txhab nyiaj, thiab daim phiaj tseem tuaj yeem them lub roj teeb ntawm ob-directional DC-AC converter. Lub ntsiab lus ntawm convergence ntawm lub zog yog nyob rau sab DC roj teeb. Thaum nruab hnub, lub hwj chim PV yog thawj zaug muab rau cov khoom thauj, thiab tom qab ntawd cov roj teeb lithium hauv tsev raug them los ntawm MPPT maub los, thiab lub zog cia khoom txuas nrog rau daim phiaj, kom lub zog ntau dhau tuaj yeem txuas nrog daim phiaj; hmo ntuj, lub roj teeb tau tawm mus rau lub nra, thiab qhov tsis txaus yog rov ua dua los ntawm daim phiaj; Thaum daim phiaj tawm, PV fais fab thiab lithium roj teeb hauv tsev tsuas yog muab rau cov khoom siv hluav taws xob, thiab cov khoom thauj ntawm daim phiaj kawg siv tsis tau. Thaum lub zog thauj khoom ntau dua li lub zog PV, daim phiaj thiab PV tuaj yeem muab lub zog rau lub nra ntawm tib lub sijhawm. Vim tias tsis muaj lub zog PV lossis lub zog thauj khoom ruaj khov, nws tso siab rau lub lithium roj teeb hauv tsev kom sib npaug ntawm lub zog. Tsis tas li ntawd, lub kaw lus tseem txhawb nqa tus neeg siv los teeb tsa lub sijhawm them nyiaj thiab tso tawm kom tau raws li tus neeg siv khoom siv hluav taws xob xav tau. DC coupling system ua haujlwm txoj cai 
Lub hybrid inverter muaj ib qho kev sib xyaw ua haujlwm off-grid rau kev txhim kho kev them nqi. Grid-tied inverters cia li kaw lub hwj chim rau lub hnub ci vaj huam sib luag thaum lub sij hawm fais fab tuag vim muaj kev nyab xeeb. Hybrid inverters, ntawm qhov tod tes, pab cov neeg siv kom muaj ob qho tib si off-grid thiab grid-tied functionality, yog li lub hwj chim muaj txawm tias thaum lub hwj chim tawm. Hybrid inverters ua kom yooj yim rau kev saib xyuas lub zog, tso cai rau cov ntaub ntawv tseem ceeb xws li kev ua haujlwm thiab kev tsim hluav taws xob kom raug kuaj xyuas los ntawm inverter vaj huam sib luag lossis txuas nrog cov khoom siv ntse. Yog tias lub kaw lus muaj ob lub inverters, lawv yuav tsum tau saib xyuas nyias. dC coupling txo qhov poob hauv AC-DC hloov dua siab tshiab. Roj teeb them efficiency yog li 95-99%, thaum AC coupling yog 90%. Hybrid inverters yog kev lag luam, compact thiab yooj yim rau nruab. Kev txhim kho lub hybrid inverter tshiab nrog DC-coupled roj teeb tej zaum yuav pheej yig dua li retrofitting AC-coupled roj teeb rau ib qho uas twb muaj lawm system vim hais tias tus maub los yog me ntsis pheej yig dua ib daim phiaj-txuas inverter, lub switching hloov yog me ntsis cheaper dua ib tug faib txee, thiab DC. -coupled tov yuav ua tau rau hauv ib tug tag nrho-nyob rau hauv-ib tswj inverter, txuag ob qho khoom siv thiab cov nqi installation. Tshwj xeeb tshaj yog rau cov tshuab hluav taws xob me me thiab nruab nrab, DC-coupled systems yog tus nqi qis heev. Lub hybrid inverter yog heev modular thiab nws yog ib qho yooj yim mus ntxiv cov tshiab Cheebtsam thiab controllers, thiab ntxiv Cheebtsam yuav muab tau yooj yim ntxiv siv tus nqi qis DC hnub ci controllers. Cov hybrid inverters yog tsim los ua ke nrog kev khaws cia txhua lub sijhawm, ua kom yooj yim ntxiv rau cov tsev txhab nyiaj roj teeb. Lub hybrid inverter system yog ntau compact thiab siv high-voltage hlwb, nrog me me cable loj thiab tsawg poob. 
DC coupling system muaj pes tsawg leeg 
AC coupling system muaj pes tsawg leeg Txawm li cas los xij, hybrid hnub ci inverters tsis tsim nyog rau kev txhim kho lub hnub ci uas twb muaj lawm thiab kim dua rau nruab rau lub zog siab dua. Yog tias tus neeg siv khoom xav hloov kho lub hnub ci uas twb muaj lawm kom suav nrog lithium lub tsev roj teeb, xaiv lub hnub ci hybrid inverter yuav ua rau qhov teeb meem nyuaj. Hauv qhov sib piv, lub roj teeb inverter yuav raug nqi ntau dua, vim tias xaiv rau nruab ib lub hnub ci hybrid inverter yuav xav tau kev ua tiav thiab kim dua ntawm tag nrho lub hnub ci vaj huam sib luag. Cov tshuab hluav taws xob siab dua yog qhov nyuaj rau kev txhim kho thiab tuaj yeem kim dua vim qhov xav tau rau cov tswj hluav taws xob ntau dua. Yog tias siv hluav taws xob ntau dua thaum nruab hnub, muaj qhov txo qis hauv kev ua haujlwm vim DC (PV) rau DC (batt) rau AC. 
Coupled Solar System + Zog Cia System Coupled PV + cia system, tseem hu ua AC retrofit PV + cia qhov system, tuaj yeem paub txog DC lub zog tawm ntawm PV modules hloov mus rau AC lub zog los ntawm kab sib txuas nrog inverter, thiab tom qab ntawd lub zog dhau los hloov mus rau DC lub zog thiab khaws cia rau hauv roj teeb los ntawm AC txuas cia inverter. Lub zog convergence point yog nyob rau ntawm AC kawg. Nws muaj xws li photovoltaic fais fab mov system thiab lithium lub tsev roj teeb fais fab mov system. Lub photovoltaic system muaj ib tug photovoltaic array thiab ib daim phiaj-txuas inverter, thaum lub lithium tsev roj teeb system muaj ib tug roj teeb bank thiab ib tug bi-directional inverter. Ob lub tshuab no tuaj yeem ua haujlwm ntawm nws tus kheej yam tsis muaj kev cuam tshuam rau ib leeg lossis tuaj yeem sib cais los ntawm kab sib chaws los tsim ib lub microgrid system. AC coupling system ua haujlwm txoj cai 
AC txuas tshuab yog 100% daim phiaj sib xws, yooj yim rau nruab thiab nthuav dav. Cov txheej txheem kev teeb tsa hauv tsev muaj nyob, thiab txawm tias cov tshuab loj (2kW rau MW chav kawm) tau yooj yim nthuav dav rau kev siv ua ke nrog cov kab sib txuas thiab cov tshuab hluav taws xob sawv ntsug (cov roj teeb, cua turbines, thiab lwm yam). Feem ntau cov hlua hnub ci inverters saum 3kW muaj dual MPPT inputs, yog li cov hlua ntev ntev tuaj yeem ntsia tau rau hauv cov kev taw qhia sib txawv thiab qaij lub kaum ntse ntse. Ntawm qhov siab dua DC voltages, AC coupling yog yooj yim dua thiab tsis yooj yim rau nruab cov tshuab loj dua DC txuas cov tshuab uas yuav tsum tau muaj ntau yam MPPT tus nqi tswj, thiab yog li ntawd tus nqi qis dua. AC coupling yog tsim rau qhov system retrofitting thiab ua haujlwm zoo dua thaum nruab hnub nrog AC loads. Cov kab hluav taws xob txuas nrog PV uas twb muaj lawm tuaj yeem hloov mus rau hauv lub zog cia nrog cov nqi qis. Nws tuaj yeem muab lub zog nyab xeeb rau cov neeg siv thaum lub zog hluav taws xob tawm. Tau tshaj daim phiaj-txuas PV systems ntawm ntau manufacturers. Advanced AC coupled systems feem ntau yog siv rau cov txheej txheem loj tshaj tawm thiab siv cov hlua hnub ci inverters ua ke nrog ntau hom inverters lossis inverter / chargers los tswj cov roj teeb thiab daim phiaj / generators. Txawm hais tias yooj yim thiab muaj zog rau kev teeb tsa, lawv ua haujlwm tsawg dua (90-94%) ntawm kev them roj teeb piv rau DC-coupled systems (98%). Txawm li cas los xij, cov tshuab no muaj txiaj ntsig zoo dua thaum siv hluav taws xob siab AC loads thaum nruab hnub, ncav cuag 97% lossis ntau dua, thiab qee qhov tuaj yeem nthuav dav nrog ntau lub hnub ci inverters los tsim microgrids. AC-coupled charging yog tsawg npaum li cas thiab kim dua rau cov tshuab me. Lub zog nkag mus rau hauv lub roj teeb hauv AC coupling yuav tsum tau hloov dua siab tshiab ob zaug, thiab thaum tus neeg siv pib siv lub zog, nws yuav tsum tau hloov dua siab tshiab, ntxiv qhov poob rau hauv qhov system. Yog li ntawd, AC coupling efficiency poob mus rau 85-90% thaum siv lub roj teeb. AC-coupled inverters yog kim dua rau cov tshuab me. 
Off-grid Solar System + Zog Cia System Off-grid solar system+ cov tshuab khaws cia feem ntau muaj xws li PV modules, lithium lub tsev roj teeb, off-grid cia inverter, load thiab diesel generator. Lub kaw lus tuaj yeem paub txog kev them nyiaj ncaj qha ntawm lub roj teeb los ntawm PV ntawm DC-DC hloov dua siab tshiab, los yog kev hloov pauv ntawm DC-AC rau kev them thiab tawm lub roj teeb. Thaum nruab hnub, lub hwj chim PV yog thawj zaug muab rau cov khoom thauj, tom qab ntawd them lub roj teeb; thaum hmo ntuj, lub roj teeb tau tawm mus rau qhov chaw thau khoom, thiab thaum lub roj teeb tsis txaus, lub tshuab hluav taws xob diesel yog nkag mus rau lub nra. Nws tuaj yeem ua tau raws li qhov xav tau hluav taws xob niaj hnub hauv thaj chaw tsis muaj kab sib chaws. Nws tuaj yeem ua ke nrog cov tshuab hluav taws xob diesel los muab cov khoom thauj lossis them cov roj teeb. Feem ntau off-grid zog cia inverters tsis tau ntawv pov thawj los ua kab sib txuas, txawm tias lub kaw lus muaj kab sib chaws, nws tsis tuaj yeem txuas nrog kab sib chaws. Siv tau Scenario ntawm Zog Cia Inverters Lub zog cia inverters muaj peb lub luag haujlwm tseem ceeb, suav nrog kev tswj hwm siab, lub zog standby thiab lub zog ywj pheej. Los ntawm cheeb tsam, qhov siab tshaj plaws yog qhov xav tau hauv Tebchaws Europe, coj lub teb chaws Yelemees ua piv txwv, tus nqi hluav taws xob hauv lub teb chaws Yelemees tau mus txog $ 0.46 / kWh hauv 2023, qeb duas thawj hauv ntiaj teb. Nyob rau hauv xyoo tas los no, German hluav taws xob nqi txuas ntxiv, thiab PV / PV cia LCOE tsuas yog 10.2 / 15.5 xees ib degree, 78% / 66% qis dua tus nqi hluav taws xob hauv tsev, nqi hluav taws xob hauv tsev thiab PV cia nqi hluav taws xob ntawm qhov sib txawv. yuav txuas ntxiv mus. Cov khoom siv hauv tsev PV faib thiab khaws cia tuaj yeem txo cov nqi hluav taws xob, yog li hauv cov nqi siab cov neeg siv khoom muaj kev txhawb zog rau nruab hauv tsev cia khoom. Hauv kev ua lag luam peaking, cov neeg siv nyiam xaiv hybrid inverters thiab AC-coupled roj teeb tshuab, uas yog tus nqi ntau dua thiab yooj yim rau kev tsim khoom. Off-grid roj teeb inverter chargers nrog hnyav-duty transformers yog kim kim, thaum hybrid inverters thiab AC-coupled roj teeb tshuab siv transformerless inverters nrog switching transistors. Cov compact, lub teeb yuag inverters muaj qis surge thiab peak fais fab tso zis kev ntsuam xyuas, tab sis yog tus nqi ntau dua, pheej yig dua thiab yooj yim rau kev tsim khoom. Lub zog thaub qab yog xav tau nyob rau hauv Teb Chaws Asmeskas thiab Nyij Pooj, thiab lub zog nyob ib leeg tsuas yog qhov kev lag luam xav tau, suav nrog hauv cheeb tsam xws li South Africa. Raws li EIA, lub sijhawm nruab nrab ntawm hluav taws xob hluav taws xob hauv Tebchaws Meskas xyoo 2020 yog ntau tshaj 8 teev, feem ntau yog cov neeg nyob hauv Asmeskas nyob hauv kev sib cais, ib feem ntawm daim phiaj laus thiab kev puas tsuaj ntuj tsim. Kev siv cov khoom siv hluav taws xob hauv tsev PV thiab kev cia khoom tuaj yeem txo qhov kev cia siab ntawm daim phiaj thiab ua kom muaj kev ntseeg siab ntawm cov khoom siv hluav taws xob ntawm cov neeg siv khoom. Teb Chaws Asmeskas PV qhov chaw cia khoom loj dua thiab nruab nrog ntau lub roj teeb, vim tias qhov xav tau los khaws lub zog hauv kev teb rau kev puas tsuaj ntuj tsim. Kev ywj pheej fais fab mov yog qhov kev xav tau ntawm kev lag luam tam sim ntawd, South Africa, Pakistan, Lebanon, Philippines, Nyab Laj thiab lwm lub teb chaws nyob rau hauv lub ntiaj teb no mov saw nro, lub teb chaws infrastructure tsis txaus los txhawb cov pej xeem nrog hluav taws xob, yog li cov neeg siv yuav tsum tau nruab nrog tsev neeg. PV cia system. Hybrid inverters raws li lub zog thaub qab muaj kev txwv. Muab piv rau cov roj teeb hluav taws xob uas muaj siab tshaj tawm, hybrid inverters muaj qee qhov kev txwv, feem ntau txwv tsis pub dhau los yog lub zog siab tshaj plaws thaum muaj hluav taws xob tawm. Tsis tas li ntawd, qee qhov hybrid inverters tsis muaj lossis txwv tsis pub muaj peev xwm rov qab tau, yog li tsuas yog cov khoom me me lossis qhov tseem ceeb xws li teeb pom kev zoo thiab lub zog hluav taws xob yooj yim tuaj yeem rov qab tau thaum lub zog hluav taws xob, thiab ntau lub tshuab muaj kev ncua 3-5 thib ob thaum lub zog hluav taws xob. . Off-grid inverters, ntawm qhov tod tes, muab qhov siab heev thiab lub zog siab tshaj plaws thiab tuaj yeem ua haujlwm siab inductive loads. Yog tias tus neeg siv npaj yuav siv cov khoom siv hluav taws xob siab xws li lub twj tso kua mis, compressors, tshuab ntxhua khaub ncaws thiab cov cuab yeej hluav taws xob, lub inverter yuav tsum muaj peev xwm tswj tau qhov siab inductance surge loads. DC-coupled hybrid inverter Kev lag luam tam sim no siv ntau lub PV cia tshuab nrog DC coupling kom ua tiav kev sib xyaw PV cia tsim, tshwj xeeb tshaj yog nyob rau hauv cov tshuab tshiab uas hybrid inverters yooj yim thiab tsis tshua muaj nqi rau nruab. Thaum ntxiv cov tshuab tshiab, kev siv cov hybrid inverters rau PV lub zog cia tuaj yeem txo cov nqi khoom siv thiab kev teeb tsa, vim tias lub chaw cia khoom inverter tuaj yeem ua tiav kev tswj hwm-inverter kev koom ua ke. Cov maub los thiab kev hloov pauv hloov hauv DC-coupled systems tsis tshua kim dua li cov kab sib txuas sib txuas thiab cov khoom xa tawm hauv AC-coupled systems, yog li cov kev daws teeb meem DC-coupled yog tsawg dua cov kev daws teeb meem AC. Cov maub los, roj teeb thiab inverter hauv DC-coupled system yog serial, txuas nrog ntau dua thiab hloov tau yooj yim. Rau lub kaw lus tshiab, PV, roj teeb thiab inverter yog tsim raws li tus neeg siv lub zog thauj khoom thiab lub zog noj, yog li nws tsim nyog rau DC-coupled hybrid inverter. 
DC-coupled hybrid inverter cov khoom lag luam yog cov qauv tseem ceeb, BSLBATT kuj tau tsim nws tus kheej5kw hybrid hnub ci inverterThaum kawg ntawm xyoo tas los, thiab yuav tso tawm 6kW thiab 8kW hybrid hnub ci inverters txuas ntxiv rau xyoo no! Cov khoom tseem ceeb ntawm lub zog cia inverter manufacturers muaj ntau dua rau peb lub khw loj ntawm Tebchaws Europe, Tebchaws Meskas thiab Australia. Hauv kev ua lag luam nyob sab Europe, lub teb chaws Yelemees, Austria, Switzerland, Sweden, Netherlands thiab lwm yam kev lag luam PV core yog feem ntau peb-theem kev ua lag luam, zoo dua rau lub zog ntawm cov khoom loj. Ltalis, Spain thiab lwm lub tebchaws nyob sab Europe feem ntau xav tau ib-theem qis-voltage khoom. Thiab Czech koom pheej, Poland, Romania, Lithuania thiab lwm lub tebchaws nyob sab hnub tuaj Europe feem ntau xav tau cov khoom lag luam peb theem, tab sis tus nqi lees txais qis dua. Tebchaws Asmeskas muaj lub zog cia loj dua thiab nyiam cov khoom siv hluav taws xob ntau dua. Roj teeb thiab cia inverter cais hom yog ntau nrov nrog installers, tab sis roj teeb inverter all-in-ib yog yav tom ntej txoj kev loj hlob sib. PV zog cia hybrid inverter yog ntxiv muab faib ua hybrid inverter muag nyias thiab roj teeb lub zog cia system (BESS) uas muag lub zog cia inverter thiab roj teeb ua ke. Tam sim no, nyob rau hauv cov ntaub ntawv ntawm cov neeg muag khoom nyob rau hauv kev tswj ntawm cov channel, txhua tus neeg siv khoom ncaj qha yog ntau concentrated, lub roj teeb, inverter split cov khoom yog nrov dua, tshwj xeeb tshaj yog nyob rau sab nraum lub teb chaws Yelemees, feem ntau yog vim yooj yim installation thiab yooj yim expansion, thiab yooj yim los txo tus nqi yuav khoom. , lub roj teeb lossis inverter tsis tuaj yeem muab tau los nrhiav cov khoom siv thib ob, kev xa khoom muaj kev nyab xeeb dua. Lub teb chaws Yelemees, Tebchaws Asmeskas, Nyij Pooj tau yog lub tshuab tag nrho hauv ib qho. All-in-ib lub tshuab tuaj yeem txuag tau ntau yam teeb meem tom qab muag, thiab muaj cov ntaub ntawv pov thawj, xws li Tebchaws Meskas cov ntawv pov thawj hluav taws xob yuav tsum tau txuas nrog lub inverter. Cov kev siv tshuab tam sim no yog mus rau tag nrho-hauv-ib lub tshuab, tab sis los ntawm kev muag khoom ntawm kev sib cais hom hauv lub installer kom txais me ntsis ntxiv. Hauv DC txuas cov tshuab, cov roj teeb hluav taws xob muaj zog ntau dua, tab sis raug nqi ntau dua nyob rau hauv cov ntaub ntawv ntawm cov roj teeb hluav taws xob tsis txaus. Piv rau48V roj teeb systems, high-voltage roj teeb ua hauj lwm nyob rau hauv 200-500V DC ntau yam, muaj qis cable losses thiab ntau dua efficiency vim hais tias hnub ci vaj huam sib luag feem ntau ua hauj lwm ntawm 300-600V, zoo ib yam li lub roj teeb voltage, cia siv high-efficiency DC-DC converters nrog heev. poob qis. High-voltage roj teeb tshuab yog kim dua li cov roj teeb uas tsis muaj hluav taws xob, thaum inverters tsis tshua kim. Tam sim no muaj kev xav tau ntawm cov roj teeb hluav taws xob siab thiab cov khoom siv tsis txaus, yog li cov roj teeb hluav taws xob siab tsis yooj yim rau kev yuav khoom, thiab nyob rau hauv cov ntaub ntawv ntawm cov roj teeb hluav taws xob tsis txaus, nws yog pheej yig dua los siv cov roj teeb hluav taws xob tsawg. DC coupling ntawm hnub ci arrays thiab inverters 
DC direct coupling rau hybrid inverter tau tshaj 
AC Coupled Inverters DC-coupled systems tsis haum rau retrofitting kab sib txuas uas twb muaj lawm. DC coupling txoj kev feem ntau muaj cov teeb meem hauv qab no: Ua ntej, lub kaw lus siv DC coupling muaj teeb meem ntawm kev sib txuas ntawm kev sib txuas thiab cov qauv tsim rov qab siv dua thaum rov tsim kho cov kab sib txuas uas twb muaj lawm; thib ob, qhov ncua sij hawm hloov ntawm daim phiaj sib txuas thiab off-grid yog ntev, uas ua rau tus neeg siv hluav taws xob tsis zoo; Thib peb, kev tswj hwm kev txawj ntse tsis muaj kev paub txaus thiab cov lus teb ntawm kev tswj tsis tau raws sij hawm txaus, uas ua rau nws nyuaj rau kev paub txog micro-grid daim ntawv thov ntawm tag nrho lub tsev fais fab mov. Yog li ntawd, qee lub tuam txhab tau xaiv AC coupling technology txoj kev, xws li Rene. AC coupling system ua rau cov khoom installation yooj yim dua. ReneSola siv AC sab thiab PV system coupling kom ua tiav ob-kev taw qhia lub zog ntws, tshem tawm qhov xav tau kev nkag mus rau PV DC tsheb npav, ua rau cov khoom lag luam yooj yim dua; los ntawm kev sib xyaw ua ke ntawm software tswj lub sijhawm thiab kho vajtse txhim kho kom ua tiav millisecond hloov mus rau thiab los ntawm kab sib chaws; los ntawm kev sib xyaw ua ke ntawm lub zog cia inverter tso zis tswj thiab cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob tsim kom ua tiav cov khoom siv hluav taws xob tag nrho hauv qab tswj lub thawv tswj tsis siv neeg Lub micro-grid daim ntawv thov ntawm lub thawv tswj tsis siv neeg. Qhov siab tshaj plaws conversion efficiency ntawm AC txuas cov khoom yog me ntsis qis dua li ntawmhybrid inverter. Qhov siab tshaj plaws kev hloov dua siab tshiab ntawm AC txuas cov khoom yog 94-97%, uas yog qis dua me ntsis ntawm cov hybrid inverters, feem ntau vim tias cov modules yuav tsum tau hloov dua siab tshiab ob zaug ua ntej lawv tuaj yeem khaws cia rau hauv lub roj teeb tom qab lub zog tsim, uas txo cov kev hloov pauv hloov pauv. .
Post lub sij hawm: May-08-2024