Nyob rau hauv xyoo tas los no, ntse tsev photovoltaic zog cia tshuab tau nrov tsis tu ncua.Nws tuaj yeem muab lub zog ntsuab rau tsev neeg tsis hais hnub thiab hmo ntuj thiab kwj deg tsis tu ncua.Los ntawm kev tsim hluav taws xob hnub ci, tsis txhob txhawj txog cov nqi hluav taws xob zoo tshaj plaws, txuag nqi hluav taws xob, thiab tuaj yeem tiv thaiv lub neej zoo ntawm txhua tsev neeg.
Thaum nruab hnub, lub tsev photovoltaic zog cia qhov system absorbs hnub ci zog tsim thiab cia li cia rau hmo ntuj loads.Thaum nws los txog rau kev siv hluav taws xob tsis zoo, lub kaw lus tseem tuaj yeem hloov pauv lub zog hluav taws xob hauv tsev nyob rau lub sijhawm kom ntseeg tau tias kev ua haujlwm zoo ntawm cov teeb pom kev zoo thiab cov khoom siv hluav taws xob txhua lub sijhawm.Thaum lub sijhawm siv hluav taws xob, lub roj teeb pob hauv tsev neeg lub zog cia tuaj yeem raug them los ntawm nws tus kheej kom siv lub hwj chim seem lossis thaum siv hluav taws xob.Ntxiv nrog rau kev siv los ua ib qho khoom siv hluav taws xob thaum muaj xwm txheej ceev, lub zog cia hauv tsev kuj tuaj yeem sib npaug.Kev siv hluav taws xob.Lub tsev ntse photovoltaic zog cia qhov system zoo ib yam li micro-zog cia chaw nres tsheb fais fab, uas tsis cuam tshuam los ntawm lub zog fais fab hauv nroog.
Professional nqe lus nug kos npe?
Dab tsi ntawm cov khoom siv hluav taws xob photovoltaic lub zog cia hauv tsev feem ntau yog tsim los ntawm thiab dab tsi nws tsuas yog tso siab rau?Dab tsi yog kev faib tawm ntawm lub tsev photovoltaic zog cia tshuab?Yuav ua li cas xaiv lub tsev photovoltaic zog cia system?
CEM "Tsawg Nkag Siab" me ntsis kev paub
L yog dab tsi yog lub tsev photovoltaic zog cia system
Lub tsev photovoltaic lub zog cia qhov system yog ib qho kev sib txuas ntawm lub hnub ci photoelectric hloov dua siab tshiab nrog cov khoom siv hluav taws xob, uas tuaj yeem hloov lub hnub ci hluav taws xob rau hauv lub zog khaws cia.Qhov system no tso cai rau cov neeg siv hauv tsev tsim hluav taws xob thaum nruab hnub thiab khaws cov hluav taws xob ntau dhau, thiab siv nws thaum hmo ntuj lossis teeb pom kev zoo.
l Tsev neeg photovoltaic zog cia qhov system faib
Tsev neeg lub zog cia qhov system tam sim no tau muab faib ua ob hom, ib qho yog kab sib txuas - txuas nrog tsev neeg lub zog khaws cia, thiab lwm yam yog lub network hluav taws xob khaws cia.
Sib piv tsev neeg lub zog cia system
Nws muaj tsib feem ntau ntawm nws, suav nrog: hnub ci roj teeb array, kab sib chaws-txuas inverter, BMS tswj qhov system, roj teeb pob, kev sib txuas lus load.Lub kaw lus siv photovoltaic thiab lub zog cia system sib xyaw fais fab mov.Thaum cov hluav taws xob hauv nroog zoo li qub, lub tshuab hluav taws xob photovoltaic thiab lub zog hluav taws xob hauv nroog tau siv los ntawm kev thauj khoom;Thaum lub hwj chim hauv nroog tawg lawm, lub zog khaws cia thiab cov kab hluav taws xob photovoltaic-grid system ua ke nrog lub zog.Lub network hluav taws xob cia qhov system ntawm lub network tau muab faib ua peb hom kev ua haujlwm.Qauv ib: Photovoltaic muab lub zog cia thiab hluav taws xob nkag mus rau hauv Internet;Qauv 2: Photovoltaic muab lub zog cia thiab qee cov neeg siv hluav taws xob siv;Qauv 3: Photovoltaic tsuas yog muab qee lub zog cia.
Tsev neeg lub zog cia system
Nws yog kev ywj pheej, thiab tsis muaj hluav taws xob txuas nrog daim phiaj hluav taws xob.Yog li ntawd, tag nrho cov system tsis tas yuav txuas nrog lub inverter, thiab photovoltaic inverter tuaj yeem ua tau raws li qhov yuav tsum tau ua.Lub zog cia ntawm lub tsev tawm mus yog muab faib ua peb hom kev ua haujlwm, hom 1: photovoltaic cia cia thiab cov neeg siv hluav taws xob (hnub tshav ntuj);Hom 2: photovoltaic thiab lub zog cia roj teeb muab cov neeg siv hluav taws xob (hnub huab cua);Hom 3: Lub zog cia cia: Lub zog cia cia Lub roj teeb muab cov neeg siv hluav taws xob (thaum yav tsaus ntuj thiab hnub los nag).
Txawm hais tias nws yog ib daim phiaj-txuas hauv tsev lub zog khaws cia los yog lub network ntawm lub zog cia ntawm lub network, lub inverter yog sib cais.Lub inverter zoo li lub hlwb thiab lub plawv hauv lub cev.
inverter yog dab tsi?
Lub inverter yog ib qho tseem ceeb ntawm cov hluav taws xob hluav taws xob, uas tuaj yeem hloov DC hluav taws xob (roj teeb, roj teeb) rau hauv AC hluav taws xob (feem ntau 220V50Hz sine lossis square yoj).Hauv cov ntsiab lus nrov, lub inverter yog ib qho khoom siv uas hloov DC (DC) rau hauv AC zog (AC).Nws muaj inverter choj, tswj logic thiab lim circuit.Cov khoom siv feem ntau yog rectifier diode thiab crystal raj.Yuav luag tag nrho cov khoom siv hauv tsev thiab cov khoos phis tawj muaj cov khoom siv hluav taws xob, uas tau nruab rau hauv lub zog ntawm cov khoom siv hluav taws xob.DC hloov kev sib txuas lus, hu ua inverter.
l Vim li cas lub inverter nyob hauv txoj haujlwm tseem ceeb no?
AC kis tau tus mob ntau dua DC kis tau tus mob, thiab nws yog dav siv nyob rau hauv lub hwj chim kis tau tus mob.Lub zog dispersing ntawm cov xaim tam sim no tuaj yeem tau txais los ntawm P = I2R (lub square × resistor ntawm lub zog = tam sim no).Obviously, lub zog poob yuav tsum tau txo kom txo tau qhov kis tau tus mob tam sim no los yog tsis kam ntawm cov hlau.Vim yog tus nqi thiab kev siv thev naus laus zis txwv, nws yog qhov nyuaj los txo cov kab sib kis (xws li tooj liab) tsis kam, yog li txo qhov kev sib kis tam sim no yog ib txoj hauv kev tshwj xeeb thiab zoo.Raws li P = IU (lub zog = tam sim no × voltage, qhov tseeb, zoo zog p = IUCOS φ), tig DC hluav taws xob rau hauv AC lub zog, txhim kho qhov hluav taws xob ntawm daim phiaj hluav taws xob kom txo tau qhov tam sim no hauv cov hlau kom ua tiav lub hom phiaj ntawm kev txuag. zog.
Ib yam li ntawd, nyob rau hauv cov txheej txheem ntawm lub hnub ci photovoltaic zog tsim, lub zog ntawm photovoltaic arrays yog DC fais fab, tab sis ntau loads xav tau AC zog.Muaj kev txwv loj ntawm DC lub zog hluav taws xob, uas tsis yooj yim rau kev hloov pauv qhov hluav taws xob, thiab cov ntawv thov kev thauj khoom kuj tseem txwv.Ntxiv nrog rau qhov tshwj xeeb lub zog thauj khoom, lub inverter yuav tsum tau siv los hloov DC hluav taws xob rau AC zog.Photovoltaic inverter yog lub plawv ntawm lub hnub ci photovoltaic lub zog tsim hluav taws xob.Nws txhais cov hluav taws xob DC uas tsim los ntawm cov khoom siv hluav taws xob photovoltaic rau hauv AC lub zog, thauj cov khoom siv hluav taws xob nrog cov khoom siv hauv zos lossis cov phiaj xwm, thiab muaj cov haujlwm tiv thaiv.Lub photovoltaic inverter feem ntau yog tsim los ntawm lub hwj chim modules, tswj Circuit Court boards, Circuit Court breakers, lim, hluav taws xob resistors, transformers, contactors, thiab txee.Raws li kev sib txuas, nws txoj kev loj hlob nyob ntawm txoj kev loj hlob ntawm lub zog hluav taws xob tshuab hluav taws xob, semiconductor device technology thiab niaj hnub tswj tshuab.
Classification ntawm inverter
Lub inverter tuaj yeem muab faib ua peb pawg hauv qab no:
1. daim phiaj-txuas inverter
Daim phiaj-txuas inverter yog ib qho tshwj xeeb inverter.Ntxiv rau qhov kev hloov pauv ntawm kev hloov pauv ntawm DC hluav taws xob, AC lub zog tso zis tuaj yeem ua ke nrog cov zaus thiab theem ntawm cov hluav taws xob hauv nroog.Yog li ntawd Lub inverter muaj peev xwm synchronize interfaces nrog lub nroog hlau.Tus tsim ntawm lub inverter no yog xa cov hluav taws xob tsis siv rau hauv daim phiaj fais fab.Nws tsis tas yuav nruab nrog lub roj teeb.Nws tuaj yeem nruab nrog MTTP thev naus laus zis hauv nws cov khoom siv hluav taws xob.
2. Tawm hauv Internet inverter
Lub liberal inverter feem ntau yog ntsia rau ntawm lub rooj tsavxwm hnub ci, lub tshuab hluav taws xob me me los yog lwm yam DC fais fab mov, thiab lub zog DC hloov dua siab tshiab rau hauv AC lub zog uas tuaj yeem siv rau hauv tsev siv hluav taws xob.Nws tuaj yeem siv lub zog los ntawm daim phiaj hluav taws xob thiab lub roj teeb kom lub zog ntawm lub zog thauj khoom.Vim tias nws tsis muaj dab tsi cuam tshuam nrog lub zog hauv nroog thiab tsis tas yuav muaj hluav taws xob sab nraud, nws hu ua "tawm mus".
Lub roser inverter yog Ameslikas ib qho system uas muab lub zog ntawm lub roj teeb kom paub txog lub cheeb tsam micro grid.Nyob rau hauv cov ntaub ntawv ntawm tam sim no cov tswv yim, DC input, ceev charging input, high-capacity DC tso zis thiab ceev AC tso zis, lub out-of-network inverter yuav khaws lub zog thiab hloov mus rau lwm yam kev siv.Nws siv cov logic tswj los kho qhov teeb meem ntawm cov tswv yim thiab cov zis los xyuas kom meej tias qhov kev ua tau zoo tshaj plaws yog muab los ntawm qhov chaw ntawm lub hnub ci vaj huam sib luag lossis lub tshuab hluav taws xob me me, thiab lub zog zoo yog optimized los ntawm kev siv cov ntshiab sine yoj tso zis.
Rau lub network inverter, lub roj teeb yog qhov yuav tsum tau ua rau lub hnub ci zog ntawm lub network, thiab nws khaws lub zog los ntawm lub roj teeb kom nws tuaj yeem siv nyob rau hauv hnub poob lossis tsis muaj hluav taws xob.Lub nraub qaum inverter kuj pab txo qis kev vam khom ntawm cov kab hluav taws xob ib txwm muaj.Qhov kev vam khom no feem ntau ua rau muaj teeb meem ntawm lub zog tsis ruaj khov uas tsis muaj hluav taws xob, hluav taws xob hluav taws xob, thiab cov tuam txhab hluav taws xob tsis tuaj yeem tshem tawm.
Tsis tas li ntawd, kev sib cais inverter nrog lub hnub ci kev them nqi hluav taws xob txhais tau hais tias muaj PWM lossis MPPT hnub ci tswj hauv lub hnub ci inverter.Cov neeg siv tuaj yeem txuas lub photovoltaic input nyob rau hauv lub hnub ci inverter thiab kos rau ntawm lub vijtsam zaub ntawm lub hnub ci inverter zaub screen Photovoltaic xeev, uas yog yooj yim rau kev sib txuas thiab kev soj ntsuam.Lub mesh inverter ua tus kheej-nrhiav hauv lub tshuab hluav taws xob cia thiab roj teeb kom ntseeg tau tias lub zog ua tiav thiab ruaj khov.Nws yog tsuas yog siv los muab hluav taws xob rau qee qhov chaw nyob thiab kev lag luam, thiab cov nqi qis-watt yog siv los ua lub zog rau tsev neeg cov khoom siv hluav taws xob.
3. Mixed inverter
Rau hybrid inverters, feem ntau muaj ob lub ntsiab lus sib txawv, ib qho yog qhov tawm mus inverter ntawm lub built-in solar charging maub los, thiab lwm yam yog inverter uas tau cais tawm ntawm lub network.Nws kuj tseem siv tau rau lub network photovoltaic system, thiab nws cov roj teeb kuj tuaj yeem kho tau yooj yim.
Lub luag haujlwm tseem ceeb ntawm inverter
1. Tsis siv neeg ua haujlwm thiab nres ua haujlwm
Thaum nruab hnub, raws li lub kaum sab xis ntawm lub hnub ci maj mam nce, lub zog ntawm lub hnub ci hluav taws xob kuj yuav nce ntxiv.Lub tshuab photovoltaic tuaj yeem nqus tau ntau lub hnub ci zog.Thaum lub zog tso zis ntawm lub inverter ua haujlwm tau mus txog, lub inverter tuaj yeem pib tau txais.khiav.Thaum lub zog tso zis ntawm lub tshuab hluav taws xob photovoltaic ua me me thiab cov zis ntawm daim phiaj / lub zog cia inverter yog 0 lossis ze li 0, nws yuav tsum tsis txhob khiav thiab ua lub xeev standby.
2. Anti -Island Effect muaj nuj nqi
Thaum lub sij hawm photovoltaic daim phiaj-txuas txheej txheem, lub tshuab hluav taws xob photovoltaic thiab lub zog hluav taws xob txuas nrog rau daim phiaj.Thaum cov hluav taws xob hluav taws xob hauv pej xeem muaj qhov txawv txav vim muaj lub zog txawv txav, lub tshuab hluav taws xob photovoltaic tsis tuaj yeem tso tseg tsis ua haujlwm raws sijhawm lossis cuam tshuam nrog lub zog hluav taws xob.Nws tseem nyob rau hauv lub xeev ntawm lub hwj chim mov.Nws yog hu ua cov nyhuv Island.Cov nyhuv ntawm cov kob tshwm sim, thiab nws yog qhov txaus ntshai rau cov tshuab photovoltaic thiab daim phiaj.
Daim phiaj-kev sib txuas / lub zog cia inverter muaj cov kab hluav taws xob tiv thaiv ib leeg tiv thaiv sab hauv, uas tuaj yeem ntse ntsuas qhov hluav taws xob, zaus thiab lwm yam ntaub ntawv ntawm daim phiaj hluav taws xob kom sib koom ua ke hauv lub sijhawm.Thaum pom daim phiaj hluav taws xob pej xeem pom, vim muaj qhov txawv txav, lub inverter tuaj yeem ntsuas raws qhov sib txawv qhov tseeb ntsuas raws li qhov sib txawv qhov ntsuas.Tus nqi raug txiav tawm tsis pub dhau lub sij hawm sib thooj, tso tawm tso tawm, thiab tshaj tawm qhov txhaum.
3. Qhov siab tshaj plaws lub zog taw tes taug qab tswj kev ua haujlwm
Qhov siab tshaj plaws lub zog taw tes taug qab tswj kev ua haujlwm yog MPPT muaj nuj nqi, uas yog cov cuab yeej tseem ceeb ntawm daim phiaj sib txuas / lub zog cia inverter.Nws hais txog lub peev xwm los taug qab qhov siab tshaj plaws tso zis hluav taws xob ntawm cov khoom hauv lub sijhawm.
Lub zog tso zis ntawm photovoltaic system yuav raug cuam tshuam los ntawm ntau yam thiab yog nyob rau hauv lub xeev ntawm kev hloov pauv, thiab lub zog tso zis zoo tshaj plaws yog khaws cia nominal.
MPPT muaj nuj nqi ntawm daim phiaj / lub zog cia inverter tuaj yeem taug qab hauv lub sijhawm tiag tiag rau lub zog siab tshaj plaws uas cov khoom siv tuaj yeem tso tawm txhua lub sijhawm.Los ntawm qhov kev hloov kho ntse ntse ua haujlwm ntawm qhov ntsuas hluav taws xob (lossis tam sim no), nws txav mus ze rau lub ncov lub zog taw tes, qhov siab tshaj plaws txhim kho lub zog tsim hluav taws xob ntawm cov tshuab photovoltaic, yog li ua kom lub zog txuas ntxiv mus ua haujlwm thiab ua haujlwm tau zoo.
4. Ntse pab pawg hlua saib xyuas muaj nuj nqi
Raws li qhov tseem ceeb ntawm MPPT kev saib xyuas ntawm daim phiaj / lub zog cia inverter, cov pab pawg neeg txawj ntse txoj hlua nrhiav tau ua haujlwm.Piv nrog MPPT kev saib xyuas, kev saib xyuas ntawm qhov hluav taws xob tam sim no yog qhov tseeb rau txhua pawg pawg cov hlua.Cov neeg siv Koj tuaj yeem pom meej cov ntaub ntawv khiav ntawm txhua txoj hauv kev.
Tam sim no, lub zog cia khoom siv rau cov neeg siv feem ntau yog BMS roj teeb tswj kev tswj hwm, thiab photovoltaic grid-connected inverter thiab lub zog cia inverter.Nyob rau hauv teb rau cov kev xav tau ntawm cov saum toj no tsev neeg lub zog cia khoom thiab ua ke nrog kev ruaj ntseg cais cov yam ntxwv ntawm chav tsev Circuit Court ntawm chav tsev photovoltaic systems, Huashengchang launched ib tug txheej ntawm tsev photovoltaic zog cia systems.Cov inverters feem ntau yog kab sib txuas-txuas inverters thiab hybrid inverters.zoo.
Qhov zoo ntawm cov khoom siv hluav taws xob hauv tsev
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Siv LIFEPO4 roj teeb kom muaj kev nyab xeeb siab,
Lub neej ua haujlwm ntev, ntau dua 5000+ lub sijhawm siv
High-precision roj teeb pob tshuab, tuaj yeem sib dhos yooj yim
Nrog rau kev tsaws brackets, yooj yim rau nruab thiab yooj yim-rau-modve tsim, yooj yim los sib sau ua ke thiab tswj qhov kub thiab txias
Cov phooj ywg los ntawm thoob plaws lub tebchaws tau txais tos tuaj xyuas Huizhou Ruidejin New Energy Co., Ltd.. Zoo hmoo, peb muaj kev ua tiav zoo thiab kev paub txog kev paub txog kev ua haujlwm zoo nrog kev ua tiav zoo thiab ntau tshaj 15 xyoo kev paub txog kev paub.Pab neeg.Peb muaj kev tshaj lij tshaj lij thiab kev taw qhia txog kev paub roj teeb.Yog tias koj xav paub ntau ntxiv txog peb lub tuam txhab kev txhim kho thiab pab pawg.Koj tuaj yeem tiv tauj peb txhua lub sijhawm, peb tau tos koj tuaj txog.Kuv cov phooj ywg
Post lub sij hawm: Aug-22-2023