Raws li tus kws tshaj lij laus hauvconnectors rau PV cia inverters, Amass ua kom nrawm ntawm kev ua lag luam thiab cov neeg siv khoom xav tau, thiab txuas ntxiv ntxiv dag zog rau cov khoom lag luam tshawb fawb thiab kev tsim kho thiab thev naus laus zis tshiab. Tsis tu ncua txhim kho qib kev pabcuam, muab cov neeg siv khoom zoo, nyab xeeb, kho kom haum lithium-ion kev sib txuas kev daws teeb meem, hauv kev lag luam Peb tau txais kev qhuas hauv kev lag luam.
Cov ntaub ntawv hnyav tsis ntev los no "Daim Ntawv Ceeb Toom Txog Kev Txhawb Nqa Cov Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob los tsim lossis Kev Yuav Peaking Peev Xwm kom nce qhov ntsuas ntawm daim phiaj sib koom ua ke" yuav tsum muaj kev nce qib ntawm cov khoom siv hluav taws xob txuas ntxiv hluav taws xob tsim hluav taws xob sib txuas.
Txawm hais tias tsis muaj lub npe ncaj qha ntawm lub zog cia, tab sis kev ua lag luam tau pom ntev lub zog cia raws li cov khoom siv ncaj qha.
Vim muaj qhov sib txawv ntawm lub teeb thiab cua, ua rau lub zog tsis ruaj khov, photovoltaic thiab cua zog tsis tuaj yeem ua tau raws li lub zog xav tau ntawm daim phiaj, uas yog, tso tseg lub teeb thiab cua. Qhov no yog qhov pov tseg. Yog tias lub zog khib nyiab no tuaj yeem khaws cia, ces tus nqi ntawm kev tsim hluav taws xob txuas ntxiv yuav txo qis. Thiab qhov no kuj yog vim li cas vim li cas lub peev tawg ntawm lub zog cia.
Tom qab qhia meej txog cov kev taw qhia dav dav, nws yog ib qho tseem ceeb dua los nrhiav cov ntu nrog lub zog ntawm qhov tseem ceeb tshaj plaws tawg.
Yog tias peb ua raws li qhov ntsuas no, ces inverter yog cov noob xaiv tes.
Qhov laj thawj tom qab no tsis yooj yim to taub. Nyob rau hauv PV system, lub inverter plays ib qho tseem ceeb muaj nuj nqi xws li AC / DC hloov dua siab tshiab, hwj chim tswj, thiab parallel / off-grid switching. Thiab nyob rau hauv lub inverter, nws cov chaw pab cuam inverter connector muaj nuj nqi zoo kuj yuav tsum tau them sai sai rau.
Yog tias tsis muaj kev pab ntawm lub zog cia, cov hluav taws xob tsim los ntawm PV yog txuas ncaj qha rau hauv daim phiaj los ntawm inverter. Nrog lub zog cia, cov hluav taws xob tsim los ntawm PV yog thawj zaug khaws cia hauv qhov system cia los ntawm inverter, thiab tom qab ntawd cov hluav taws xob txuas nrog rau kab sib chaws los ntawm inverter. Txawm hais tias muaj ib qho ntxiv, tab sis nws yuav muaj peev xwm txuag tau cov hluav taws xob pov tseg (tso tseg lub teeb), yog li ncua sij hawm siv PV.
Kev loj hlob ntawm kev thov rau inverters yog inevitable. Raws li kev kwv yees ntawm cov kev tshawb fawb muaj feem xyuam, lub ntiaj teb no PV zog cia inverter sib haum mus rau lub peev xwm ntawm 104GW nyob rau hauv 2025, thaum lub ntiaj teb no ntsia muaj peev xwm nyob rau hauv 2020 tsuas yog 5.3GW. uas yog, 20 zaug hauv 5 xyoos, nrog rau kev loj hlob txhua xyoo ntawm ntau dua 80%.
Tej zaum qee tus neeg yuav hais tias, lub zog tshiab txhua ntu, qhov kev thov nce ntxiv, yog li qhov twg yog qhov kev hloov pauv ntau dhau?
Yooj yim muab, inverters muaj cov logic siv tau. Lub neej ntev ntawm ib qho av loj-mounted PV cog feem ntau yog nyob ib ncig ntawm 20 xyoo. Lub inverter yog txwv los ntawm cov khoom siv hluav taws xob sab hauv (IGBT, capacitors, inductors, thiab lwm yam), lub neej kev pabcuam feem ntau tsis tshaj 10 xyoo. Hauv lwm lo lus, PV fais fab nroj tsuag
Hauv lwm lo lus, PV cog xav tau tsawg kawg 2 inverters hauv nws lub neej. Qhov no ua rau inverter thov tau txais txiaj ntsig tsis yog los ntawm kev nce PV, tab sis kuj los ntawm Tshuag. Ib qho kev nce hauv qhov kev xav tau qis qis feem ntau ua rau tus nqi nce rau cov khoom lag luam. Tsuas yog, qhov tseem ceeb tshaj plaws ntawm kev txaus siab hauv kev lag luam inverter tsis yog tus nqi nce, tab sis cov qauv kev lag luam ntawm cov khoom siv. Yog vim li cas vim li cas koj tsis tas yuav tos ntsoov rau tus nqi nce, vim tias inverters muaj ob qho tib si kev teeb meem, tab sis kuj yuav sau tus nqi qis. Rau photovoltaic inverters, piv txwv li, 1 inverter txuas nrog lub kaum os ntawm photovoltaic modules, inverters ib zaug teeb meem, tag nrho cov kab ke yuav tuag tes tuag taw. Hais txog kev nyab xeeb, ua rau cov inverter thaum ntxov yog tsim nyob rau hauv lub teb chaws Yelemees. Txawm li cas los xij, raws li tag nrho PV kev lag luam saw muaj kev txhawj xeeb, inverter yog qhov peev txheej qis tshaj plaws, cov cuab yeej cuab tam- teeb pom kev zoo tshaj plaws ntawm qhov txuas, thiab qhov no kuj muab cov nqi qis tom ntej.
Inverter txuas nrog ntau tshaj li kaum ob daim ntawm photovoltaic modules, nyob rau hauv uas lub photovoltaic inverter DC terminals yog indispensable, nyob rau tib lub sij hawm raws li qhov tseem ceeb txuas qhov chaw, ib zaug qhov zoo ntawm nws cov teeb meem, tab sis kuj yooj yim heev ua rau tuag tes tuag taw. tag nrho lub zog cia system!
Cov tuam txhab tsim khoom hauv tsev tom qab poked los ntawm cov ntawv xov xwm, thiab coj tawm tus ntsuj plig ntawm kev ua haujlwm loj, nthuav tawm sai sai (ntau cov cuab yeej cuab tam ntawm kev lag luam, muaj peev xwm nthuav dav tau nrawm), nrog cov khoom zoo thiab cov nqi qis, txhawm rau txeeb cov khoom lag luam ntawm cov khoom lag luam. tib lub sij hawm, tab sis kuj lub inverter nyob rau hauv lub photovoltaic system.Tag nrho cov nqi ntawm cov tswv cuab rau tsawg tshaj li 10%. Cov tuam txhab tsim khoom lag luam muag cov khoom lag luam txawv teb chaws, nruab nrab thiab hauv tsev inverter chav tsev nqi ntawm tsuas yog 0.25 yuan / W thiab 0.5 yuan / W, deb tshaj li cov lag luam txawv teb chaws 0.57 yuan / W thiab 0.78 yuan / W muag nqi.
Ntxiv rau qhov kev nce nqi tsis zoo rau kev lag luam tus qauv, yuav muaj kev pheej hmoo ntawm kev poob nrog cov neeg siv khoom. Niaj hnub no, qhov phem tshaj plaws nyob rau hauv PV kev lag luam saw yog downstream cell thiab module manufacturers. Upstream leej twg dares nce nqi, lawv yuav pab neeg mus rau rauj uas ib tug - nqi nce tab sis yog tsom rau ntawm silicon, photovoltaic iav yog ib qho piv txwv. Raws li tus kws tshaj lij hauv cov nqi tsim nyoglub zog cia connectors, Amass txais cov txheej txheem ntawm ntau tus neeg siv khoom sib koom ua ke, uas ua kom cov khoom zoo thiab txo tus nqi tib lub sijhawm, thiab txuag tus nqi rau ntau tus neeg siv khoom. Qhov xwm txheej zoo tshaj plaws yog qhov xwm txheej yeej-yeej. Tsuas yog qhov xwm txheej yeej-yeej tuaj yeem ua kom muaj kev txhim kho ruaj khov. Nyob rau hauv no txoj kev, nws zoo nkaus li hais tias ib tug zoo kev lag luam qauv yog tus hen uas lays golden qe nyob rau hauv tes ntawm inverter kev lag luam.
Post lub sij hawm: Mar-23-2024