Ua ntej qhov nce ntawm kev lag luam photovoltaic, inverter lossis inverter thev naus laus zis tau siv rau kev lag luam xws li kev tsheb ciav hlau thiab kev siv hluav taws xob. Tom qab sawv ntawm kev lag luam photovoltaic, photovoltaic inverter tau dhau los ua cov cuab yeej tseem ceeb hauv lub zog tshiab lub zog tsim hluav taws xob, thiab paub txog txhua tus neeg. Tshwj xeeb tshaj yog nyob rau hauv cov teb chaws tsim nyob rau hauv cov teb chaws Europe thiab lub tebchaws United States, vim lub nrov lub tswv yim ntawm kev txuag hluav taws xob thiab kev tiv thaiv ib puag ncig, photovoltaic kev lag luam tau tsim ua ntej, tshwj xeeb tshaj yog kev loj hlob sai ntawm tsev neeg photovoltaic systems. Hauv ntau lub tebchaws, cov khoom siv hluav taws xob hauv tsev tau siv los ua cov khoom siv hauv tsev, thiab qhov nkag mus tau siab heev.
Lub photovoltaic inverter converts ncaj qha tam sim no generated los ntawm photovoltaic modules rau alternating tam sim no thiab ces pub nws mus rau hauv daim phiaj. Kev ua tau zoo thiab kev ntseeg siab ntawm lub inverter txiav txim siab lub zog zoo thiab lub zog tsim hluav taws xob ntawm kev tsim hluav taws xob. Yog li ntawd, photovoltaic inverter yog nyob rau hauv lub hauv paus ntawm tag nrho cov photovoltaic zog tsim system. xwm txheej.
Ntawm lawv, kab sib txuas-sib txuas inverters nyob hauv kev lag luam loj hauv txhua pawg, thiab nws kuj yog qhov pib ntawm kev txhim kho ntawm tag nrho cov inverter technologies. Piv nrog rau lwm hom inverters, daim phiaj sib txuas inverters yog qhov yooj yim hauv kev siv tshuab, tsom rau photovoltaic input thiab daim phiaj tso zis. Muaj kev nyab xeeb, txhim khu kev qha, ua haujlwm tau zoo, thiab cov khoom siv hluav taws xob zoo tau dhau los ua qhov tseem ceeb ntawm cov inverter. kev ntsuas. Nyob rau hauv cov kev mob rau daim phiaj-txuas photovoltaic inverters tsim nyob rau hauv ntau lub teb chaws, cov ntsiab lus saum toj no tau dhau los ua cov ntsiab lus ntsuas ntawm tus qauv, tau kawg, cov ntsiab lus ntawm qhov tsis sib txawv. Rau daim phiaj-txuas inverters, tag nrho cov kev xav tau yog nyob rau hauv kev ua kom tau raws li qhov yuav tsum tau ntawm daim phiaj rau kev faib cov tshuab hluav taws xob, thiab cov kev xav tau ntau dua los ntawm cov cai ntawm daim phiaj rau inverters, uas yog, cov kev cai saum toj kawg nkaus. Xws li voltage, zaus specifications, hwj chim zoo yuav tsum, muaj kev ruaj ntseg, tswj yuav tsum tau thaum muaj teeb meem. Thiab yuav ua li cas txuas rau daim phiaj, dab tsi voltage theem fais fab kev sib txuas, thiab lwm yam, yog li daim phiaj-txuas inverter ib txwm yuav tsum tau ua kom tau raws li qhov yuav tsum tau ntawm daim phiaj, nws tsis yog los ntawm cov kev cai sab hauv ntawm lub zog tsim hluav taws xob. Thiab los ntawm cov kev taw qhia ntawm kev pom, ib qho tseem ceeb heev yog tias daim phiaj-txuas inverter yog "grid-connected power generation", uas yog, nws generates hwj chim thaum nws ua tau raws li cov kab sib txuas-txuas tej yam kev mob. mus rau hauv cov teeb meem kev tswj lub zog nyob rau hauv lub photovoltaic system, yog li nws yog yooj yim. Raws li qhov yooj yim raws li kev lag luam qauv ntawm cov hluav taws xob nws tsim. Raws li kev txheeb cais txawv teb chaws, ntau dua 90% ntawm cov tshuab photovoltaic uas tau tsim thiab ua haujlwm yog photovoltaic daim phiaj sib txuas, thiab cov kab sib txuas sib txuas tau siv.
Ib chav kawm ntawm inverters rov qab mus rau kab sib txuas sib txuas inverters yog off-grid inverters. Lub off-grid inverter txhais tau hais tias cov zis ntawm lub inverter tsis txuas nrog daim phiaj, tab sis txuas nrog lub load, uas ncaj qha tsav lub load los muab lub zog. Muaj ob peb daim ntawv thov ntawm off-grid inverters, feem ntau nyob rau hauv qee qhov chaw nyob deb, qhov twg cov kab sib txuas-kev sib txuas tsis muaj, cov kab hluav taws xob sib txuas tsis zoo, lossis xav tau kev tsim tus kheej thiab kev siv tus kheej, kev tawm -grid system hais txog "kev tsim tus kheej thiab siv tus kheej". ". Vim yog ob peb daim ntawv thov ntawm off-grid inverters, tsis tshua muaj kev tshawb fawb thiab kev loj hlob hauv kev siv tshuab. Muaj ob peb cov qauv thoob ntiaj teb rau cov txheej txheem kev ua haujlwm ntawm off-grid inverters, uas ua rau muaj kev tshawb fawb tsawg dua thiab kev loj hlob ntawm cov inverters, uas qhia txog qhov sib txawv ntawm qhov shrinking, Txawm li cas los xij, kev ua haujlwm ntawm off-grid inverters thiab thev naus laus zis koom nrog tsis yooj yim, tshwj xeeb tshaj yog kev koom tes nrog lub zog cia roj teeb, kev tswj hwm thiab kev tswj hwm ntawm tag nrho cov txheej txheem yog qhov nyuaj dua li daim phiaj-txuas inverters yuav tsum tau hais tias lub kaw lus muaj xws li off-daim phiaj inverters, photovoltaic panels, roj teeb, loads thiab lwm yam khoom siv twb yog ib tug yooj yim micro-daim phiaj qhov system yog tsis txuas nrog rau daim phiaj.
Qhov tseeb,off-grid inverteryog lub hauv paus rau kev txhim kho ntawm bidirectional inverters. Bidirectional inverters tau muab cov yam ntxwv ntawm kev sib txuas ntawm daim phiaj sib txuas thiab cov kab sib chaws tawm, thiab siv rau hauv cov khoom siv hluav taws xob hauv zos lossis cov tshuab tsim hluav taws xob. Thaum siv nyob rau hauv parallel nrog daim phiaj fais fab. Txawm hais tias tsis muaj ntau daim ntawv thov ntawm hom no tam sim no, vim hais tias hom kab ke no yog tus qauv ntawm kev txhim kho microgrid, nws yog nyob rau hauv txoj kab nrog rau kev tsim kho vaj tse thiab kev lag luam hom kev faib hluav taws xob hauv lub neej yav tom ntej. thiab yav tom ntej hauv kev siv microgrid hauv zos. Qhov tseeb, hauv qee lub tebchaws thiab kev lag luam uas photovoltaics tab tom txhim kho sai thiab paub tab, daim ntawv thov ntawm microgrids hauv tsev thiab thaj chaw me me tau pib tsim maj mam. Nyob rau tib lub sijhawm, tsoomfwv hauv nroog txhawb kev txhim kho cov khoom siv hluav taws xob hauv zos, kev cia khoom thiab kev sib txuas nrog cov tsev neeg raws li cov chav nyob, muab qhov tseem ceeb rau kev tsim hluav taws xob tshiab rau kev siv tus kheej, thiab qhov tsis txaus ntawm daim phiaj hluav taws xob. Yog li ntawd, lub bidirectional inverter yuav tsum xav txog ntau yam kev tswj hwm thiab kev tswj xyuas lub zog, xws li cov roj teeb them nqi thiab kev tswj kev tawm mus, cov tswv yim sib txuas-kev sib txuas / off-grid lag luam, thiab cov tswv yim kev lag luam uas ntseeg tau. Tag nrho cov nyob rau hauv tag nrho cov, lub bidirectional inverter yuav ua si tseem ceeb tshaj kev tswj thiab kev tswj functions los ntawm lub foundations ntawm tag nrho cov system, es tsis txhob tsuas yog xav txog qhov yuav tsum tau ntawm daim phiaj los yog lub load.
Raws li ib qho ntawm cov lus qhia kev txhim kho ntawm daim phiaj hluav taws xob, lub zog tsim hluav taws xob hauv zos, kev faib khoom thiab kev siv hluav taws xob tau tsim nrog lub zog tshiab tsim hluav taws xob raws li cov tub ntxhais yuav yog ib txoj hauv kev loj hlob ntawm microgrid yav tom ntej. Hauv hom no, microgrid hauv zos yuav tsim kev sib tham nrog daim phiaj loj, thiab microgrid yuav tsis ua haujlwm ze rau ntawm daim phiaj loj, tab sis yuav ua haujlwm ntau ntawm nws tus kheej, uas yog, hauv hom kob. Yuav kom ua tau raws li kev nyab xeeb ntawm cheeb tsam thiab muab qhov tseem ceeb rau kev siv hluav taws xob txhim khu kev qha, daim phiaj sib txuas ua haujlwm yog tsim tsuas yog thaum lub zog hauv zos muaj ntau lossis yuav tsum tau rub tawm ntawm daim phiaj hluav taws xob sab nraud. Tam sim no, vim qhov tsis paub qab hau ntawm ntau yam thev naus laus zis thiab cov cai, microgrids tsis tau siv rau ntawm qhov loj, thiab tsuas yog qee qhov kev ua qauv qhia tau ua haujlwm, thiab feem ntau ntawm cov haujlwm no txuas nrog rau kab sib chaws. Lub microgrid inverter sib txuas cov yam ntxwv ntawm bidirectional inverter thiab plays ib qho tseem ceeb daim phiaj tswj kev ua haujlwm. Nws yog ib tug raug integrated tswj thiab inverter integrated tshuab uas integrates inverter, tswj thiab tswj. Nws ua haujlwm hauv zos tswj hwm lub zog, tswj kev thauj khoom, tswj roj teeb, inverter, kev tiv thaiv thiab lwm yam haujlwm. Nws yuav ua kom tiav kev tswj hwm ntawm tag nrho microgrid ua ke nrog microgrid zog tswj system (MGEMS), thiab yuav yog cov cuab yeej tseem ceeb rau kev tsim lub microgrid system. Piv nrog rau thawj daim phiaj-txuas inverter nyob rau hauv txoj kev loj hlob ntawm inverter technology, nws tau sib cais los ntawm cov ntshiab inverter muaj nuj nqi thiab nqa lub functionality ntawm microgrid tswj thiab tswj, them nyiaj mloog mus rau thiab daws ib co teeb meem los ntawm lub system theem. Lub zog cia inverter muab bidirectional inversion, hloov dua siab tshiab tam sim no, thiab roj teeb them thiab tawm. Lub microgrid tswj system tswj tag nrho microgrid. Contactors A, B, thiab C yog tag nrho cov tswj los ntawm microgrid tswj system thiab tuaj yeem ua haujlwm hauv cov Islands tuaj cais. Txiav tawm cov khoom tsis tseem ceeb raws li cov khoom siv hluav taws xob ib ntus kom muaj kev ruaj ntseg ntawm microgrid thiab kev nyab xeeb ntawm cov khoom tseem ceeb.
Post lub sij hawm: Feb-10-2022
