Cov cuab yeej siv hluav taws xob hauv tsev yog cov khoom siv uas khaws hluav taws xob thiab siv thaum xav tau - tseem hu ua hluav taws xob cia khoom siv lossis "cov roj teeb lub zog cia" (BESS), tom qab ntawd hu ua lub zog cia hauv tsev. Lub hauv paus tseem ceeb ntawm kev khaws cia hauv tsev yog cov roj teeb uas siv tau, feem ntau yog lithium-ion roj teeb lossis cov roj teeb lead-acid. Lwm cov khoom siv yog inverters, uas tuaj yeem ntse tswj cov kev them nyiaj thiab kev tso tawm kev tswj hwm.
Nrog lub zog cia nkag mus rau cov tsev neeg zoo tib yam, peb tuaj yeem ua raws li lub tswv yim ntawm kev faib hluav taws xob tsim hluav taws xob, txo qhov siab ntawm lub zog hluav taws xob sib kis, txo kev siv cov fossil fuels, uas yog ib qho kev ntsuas tsim nyog kom ua tiav cov pa roj carbon nruab nrab lossis xoom neutrality.
1. Yuav ua li cas teeb tsa lub zog cia hauv tsev
Hauv cov khoom siv hluav taws xob hauv tsev, cov khoom tseem ceeb yog cov khoom siv, lub zog cia cov cav tov, thiab cov roj teeb; Daim ntawv qhia hauv daim duab yog teeb tsa lub zog cia hauv lub chaw nres tsheb rau peb lub tsheb fais fab siv.
Lub zog cia tshuab tau muab faib ua ib theem thiab peb theem; Cov duab hauv qab no yog daim duab qhia kev siv hluav taws xob yooj yim, uas tsis yog tsuas yog peb lub ntsiab lus tseem ceeb xwb tab sis kuj yog lub ntsuas hluav taws xob, kev thauj khoom hauv tsev, thiab lwm yam. Txawm hais tias nws yog ib-theem lossis peb-theem, muaj cov kev daws teeb meem zoo sib xws.
2. Taw qhia rau lub zog cia inverter
ES / ET lub zog cia cov cav tov yog ob qho tib si bidirectional zog cia, txhawb kev sib koom ua ke ntawm kab sib chaws, UPS muaj nuj nqi, mobile APP tswj, thiab tuaj yeem ua tiav kev tiv thaiv rov qab thiab kev txwv lub zog. Txawm li cas los xij, kuj tseem muaj qhov sib txawv ntawm ES thiab ET. ES yog ib-theem bidirectional zog cia inverter, thaum ET yog tsim los rau peb-theem hluav taws xob daim phiaj; Thiab nws txhawb nqa tsis sib npaug peb-theem tso zis thiab ib-theem load;
Tsis tas li ntawd, ES txuas nrog lub roj teeb uas tsis muaj hluav taws xob, thaum ET muaj qhov hluav taws xob ntau dua thiab txuas nrog lub roj teeb hluav taws xob siab; Yog li ntawd, lawv cov kev them nqi thiab kev tso tawm tam sim no kuj txawv. Qhov no kuj tseem yuav tshwm sim ntawm lub interface ntawm lub inverter.
Vim lub fact tias lub them thiab tawm tam sim no ntawm ES tuaj yeem ncav cuag 100A, cov roj teeb sib txuas kuj tseem loj dua, xav tau 25 square cable. Kev them nyiaj thiab tso tawm tam sim no ntawm ET tsuas yog 25A, thiab 6-square cable txaus.
Yog li qhov tseem ceeb tshaj plaws ntawm ob lub tshuab no yog tias lawv tau koom ua ke nrog kab sib chaws, thiab lawv kuj muaj kev ua haujlwm ntawm UPS. Yog hais tias daim phiaj dheev poob lub zog, lub inverter yuav cia li hloov mus rau lub roj teeb fais fab mov, thiab lub sij hawm tawm ntawm daim phiaj yog tsawg dua 10ms. UPS theem teb lub sij hawm belongs rau uninterruptible fais fab mov; Thiab ntau lub tuam txhab inverter siv EPS lub zog cia inverters, uas yog qhov chaw muaj hluav taws xob thaum muaj xwm ceev nrog lub sijhawm hloov ntawm tsawg dua 5 vib nas this.
3. Kev Taw Qhia Txog Lub Zog Cia Roj Teeb
Nws raug nquahu kom txhua tus siv cov roj teeb lithium, uas tam sim no sib xws nrog ntau hom roj teeb xws li BYD, Wotai, thiab Paineng; Tsis tas li ntawd, tseem muaj qee lub roj teeb raug muab sib xyaw. Ua ntej cov neeg muas zaub yuav lub tshuab, lawv yuav tsum xub paub meej tias lawv puas siv cov roj teeb sib xws.
Cov roj teeb lithium yog cov roj teeb uas ua los ntawm cov hlau lithium lossis lithium alloy ua cov khoom siv hluav taws xob tsis zoo thiab siv cov kev daws teeb meem uas tsis yog dej electrolyte. Lawv muaj ntau yam zoo xws li lub zog siab, lub neej ua haujlwm ntev, thiab lub teeb yuag, thiab tau siv dav hauv lub zog cia lub zog xws li hydraulic, thermal, cua, thiab hnub ci fais fab nroj tsuag.
Lithium hlau phosphate (LFP)
Peb lub roj teeb lithium (NCM/NCA)
Lithium cobalt oxide (LCO) roj teeb
Lwm cov roj teeb lithium, xws li lithium manganese oxide, lithium titanate roj teeb, thiab lwm yam
4. Cov nqi ntawm ntau yam khoom hauv lub zog cia
5. Ua hauj lwm hom ib
Load noj qhov tseem ceeb:
PV - Roj teeb - daim phiaj
Cov hluav taws xob tsim los ntawm photovoltaics yog qhov tseem ceeb rau kev siv los ntawm kev thauj khoom, nrog cov hluav taws xob ntau dhau rau hauv cov roj teeb thiab muag rau hauv daim phiaj; Thaum PV tsis txaus, lub roj teeb tawm siv los ntawm kev thauj khoom
Thaum muaj hluav taws xob hluav taws xob nyob rau hauv daim phiaj, lub load ntawm daim phiaj sib txuas cov zis kawg tsis tuaj yeem ua haujlwm; Tab sis lub load ntawm daim phiaj tawm tawm kawg tuaj yeem ua haujlwm ib txwm, siv los ntawm PV thiab roj teeb
Cov tsheb hluav taws xob siv lub roj teeb hluav taws xob kom them thaum hmo ntuj, thiab qhov tsis txaus yog ntxiv los ntawm daim phiaj hluav taws xob
Cov hluav taws xob tsim los ntawm photovoltaics yog muab rau lub tsheb hluav taws xob tso lub qhov hluav taws xob, teeb pom kev zoo, hluav taws xob tsheb them chaw nres tsheb, thiab lub zog cia roj teeb.
Hom ntawv thov no feem ntau yog siv hauv villa tej yaam num, ntxiv rau lub teeb cia thiab them daim ntawv thov. Tam sim no, cov xwm txheej ntawm hom no feem ntau yog tsom rau villas thiab ua qauv qhia.
6. Ua haujlwm hom Ob
Kev piav qhia: Cov kab hluav taws xob dav dav tsis them lub roj teeb. Teem nws rau hom kev lag luam tso cai rau kev teeb tsa lub roj teeb them thiab lub sijhawm tso tawm.
Lub luag haujlwm tseem ceeb ntawm tus qauv kev lag luam yog ncov shaving thiab hav filling. Nws tuaj yeem siv hluav taws xob los ntawm daim phiaj hluav taws xob kom them lub roj teeb thaum hmo ntuj thiab muab cov khoom thauj thaum nruab hnub; Hom no tuaj yeem txo qhov sib txawv ntawm qhov siab tshaj plaws, yog li txuag cov nqi hluav taws xob.
Kev piav qhia: Off-grid loads tuaj yeem siv los ntawm photovoltaics thiab roj teeb yam tsis muaj kev cuam tshuam thaum lub zog hluav taws xob; Qhov kawg ntawm daim phiaj yog hloov los ntawm daim phiaj hluav taws xob mus rau lub roj teeb fais fab rau UPS fais fab mov.
Thaum daim phiaj hluav taws xob raug txiav tawm, ntawm daim phiaj kawg khiav tawm ntawm lub zog, thiab cov cuab yeej hloov pauv ntawm qhov ceev ntawm 10 milliseconds kom ntseeg tau tias qhov kev siv ib txwm muaj ntawm cov khoom tseem ceeb ntawm sab nraub qaum kawg. Qhov chaw ntawm qhov kev thauj khoom no yuav tsum raug sau tseg, raws li cov nuj nqis tseem ceeb yuav tsum tau txuas nrog qhov kawg ntawm daim phiaj.
Piv txwv li, 5G kev sib txuas lus hauv paus chaw nres tsheb feem ntau yog tsim nyob rau hauv tej thaj chaw deb qhov chaw uas lub hwj chim zoo ntawm daim phiaj tsis siab. Txhawm rau kom ua tau raws li qhov xav tau ntawm hluav taws xob tsis cuam tshuam, lub nra tuaj yeem txuas nrog lub nraub qaum kawg, thiab lub zog cia lub tshuab tuaj yeem teeb tsa rau hom thaub qab. Nws yog feem ntau ntxiv los ntawm daim phiaj hluav taws xob photovoltaic thiab hloov mus rau lub roj teeb hluav taws xob thaum muaj hluav taws xob thaum muaj xwm txheej ceev.
7. Yuav ua li cas hloov ib qhov project uas twb tau teeb tsa rau hauv lub zog cia
Tom ntej no, cia peb saib lwm daim ntawv. Lub zog txuag kev kho dua tshiab yuav tsum tau siv lub tshuab kho dua tshiab SBP thiab BT, tsis tas yuav hloov cov txheej txheem qub ntawm photovoltaic system. Lub zog cia nruab rau sab saum toj ntawm photovoltaic system txuas nrog peb sab kev sib txuas lus. Raws li ib txwm muaj, qhov tseem ceeb ntawm kev siv hluav taws xob yog tib yam los ntawm photovoltaics rau cov roj teeb rau hauv daim phiaj. Tom qab hluav taws xob hluav taws xob, daim phiaj tsuas tuaj yeem tso siab rau lub roj teeb hluav taws xob los muab lub zog tawm ntawm daim phiaj.
8. Yuav ua li cas rau configure roj teeb muaj peev xwm
Kev xaiv roj teeb yuav tsum xav txog cov khoom thauj, txawm tias nws siv txhua hnub lossis thaub qab; Xaiv lub roj teeb loj dhau tuaj yeem ua rau khib nyiab, thiab yog tias tag nrho cov khoom siv hluav taws xob khaws cia, lub roj teeb yuav tsis raug them tag nrho.
Lub zog cia cov khoom lag luam kuj muab cov neeg siv khoom sib txawv ntawm cov roj teeb muaj peev xwm xaiv los ntawm ntau hom. Ntau hom kev xaiv lub zog hloov tau yooj yim, xws li kev teeb tsa kev teeb tsa, modular all-in-ib tshuab, thiab ntau lub zog / lub zog sib txuam ntawm cov khoom sib xyaw.
Yog li, yuav ua li cas sai thiab ncaj qha xaiv cov roj teeb muaj peev xwm zoo tshaj plaws hauv tsev lub zog cia qhov xwm txheej?
Tam sim no, feem ntau cov tsev neeg siv lub zog khaws cia raws li ib txoj hauv kev los tswj cov khoom siv hluav taws xob thiab kev siv ntawm daim phiaj, uas peb ib txwm hu ua kab sib txuas nrog lub zog cia. Rau daim phiaj txuas nrog lub zog cia, lub hom phiaj tseem ceeb feem ntau tuaj yeem muab faib ua peb pawg: kev siv tus kheej photovoltaic (nrog cov nqi hluav taws xob siab lossis tsis muaj nyiaj pab), ncov thiab hav hluav taws xob nqi, thiab cov khoom siv hluav taws xob rov qab (nrog rau cov phiaj xwm tsis ruaj khov lossis cov khoom tseem ceeb).
1. Txhim kho tus kheej siv tus nqi ntawm photovoltaics
Lub hom phiaj tseem ceeb ntawm qhov xwm txheej no yog txhawm rau txhim kho cov khoom siv hluav taws xob photovoltaic kom txo cov nqi hluav taws xob thaum cov nqi hluav taws xob siab lossis photovoltaic grid nyiaj pab tsawg (tsis muaj nyiaj pab), kom cov hluav taws xob ntxiv hauv photovoltaic system tuaj yeem khaws thiab siv thaum hmo ntuj tshwj tsis yog. siv rau nruab hnub.
Peb faib kev siv hluav taws xob hauv tsev mus rau kev siv hluav taws xob nruab hnub (hnub ci hluav taws xob photovoltaic tiam) thiab kev siv hluav taws xob hmo ntuj (tsawg zog lossis tsis muaj lub zog photovoltaic). Raws li lub hom phiaj saum toj no, lub xeev zoo tshaj plaws yuav tsum yog cov hluav taws xob tsim los ntawm photovoltaics tuaj yeem ua tau raws li qhov xav tau hluav taws xob nruab hnub, thiab tom qab cia, nws tuaj yeem ua tau raws li qhov xav tau hluav taws xob hmo ntuj.
Qhov ntawd yog hais tias, lub peev xwm ua tau zoo ntawm lub roj teeb yuav tsum yog kwv yees li ntawm qhov sib npaug ntawm lub zog hluav taws xob photovoltaic rho tawm hnub siv hluav taws xob. Tab sis qhov no tsuas yog lub xeev zoo tagnrho xwb. Txhawm rau kom tsis txhob rov ua dua ntawm cov roj teeb muaj peev xwm (kom tiv thaiv kom tsis txhob noj tag nrho thaum hmo ntuj), peb kuj yuav tsum xyuas kom meej tias lub zog siv hluav taws xob tsis zoo tshaj qhov siv hluav taws xob hmo ntuj.
2. Peak shaving thiab hav filling kom txo cov nqi hluav taws xob
Lub hom phiaj tseem ceeb ntawm qhov xwm txheej no yog kom them lub roj teeb thaum lub sijhawm hluav taws xob qis thaum nruab hnub thiab tso tawm thaum lub sijhawm hluav taws xob siab thaum hmo ntuj, txhawm rau txo cov nqi hluav taws xob tag nrho.
Peb faib kev siv hluav taws xob hauv tsev mus rau kev siv hluav taws xob nruab hnub (lub sijhawm hluav taws xob qis) thiab kev siv hluav taws xob hmo ntuj (lub sijhawm hluav taws xob siab). Hauv qhov xwm txheej no, lub xeev zoo tshaj plaws yog siv lub zog hluav taws xob photovoltaic los muab cov hluav taws xob ntau ntxiv rau lub sijhawm nruab hnub thiab them lub roj teeb nrog daim phiaj, thiab lub roj teeb lub zog tsuas yog txaus kom tau raws li qhov xav tau thaum hmo ntuj (thaum lub sijhawm hluav taws xob siab tshaj) .
Qhov ntawd yog hais tias, lub peev xwm ua tau zoo ntawm lub roj teeb yog kwv yees li qhov sib npaug ntawm kev siv hluav taws xob hmo ntuj ntawm tsev neeg. Txawm li cas los xij, suav cov roj teeb muaj peev xwm raws li kev siv hluav taws xob hmo ntuj tsuas yog tus nqi siab tshaj plaws xwb.
Thaum xav txog cov nqi roj teeb, feem ntau yuav tsum tau ua tib zoo xav txog peb yam: photovoltaic system muaj peev xwm, roj teeb peev, thiab cov nqi hluav taws xob txuag, thiab txiav txim siab qhov sib piv zoo. Nyob rau tib lub sijhawm, nws yog ib qho tsim nyog los xyuas kom meej tias lub sijhawm tso tawm ntawm lub roj teeb tsis ntev dua li lub sijhawm siv hluav taws xob hmo ntuj.
3. Raws li lub hwj chim thaub qab nyob rau hauv cov cheeb tsam uas tsis muaj zog daim phiaj
Lub teeb ci ntshiab ntawm lub khw tsuas tuaj yeem tsim hluav taws xob thaum nruab hnub, tab sis tsis tuaj yeem muab lub zog thaub qab. Thaum muaj hluav taws xob tam sim ntawd, cov khoom siv hluav taws xob sib xyaw ua ke tuaj yeem txuas ntxiv los txhawb kev ua haujlwm ntawm cov khoom siv hauv tsev xws li lub tank ntses, cov dej ntws, cov tub yees, kev saib xyuas, teeb pom kev zoo, thiab lwm yam khoom siv hluav taws xob tseem ceeb, ua kom muaj kev nyab xeeb ntawm tsev neeg.
Thaum tsim cov roj teeb muaj peev xwm nrog lub zog thaub qab raws li lub hom phiaj tseem ceeb, qhov kev txiav txim siab tseem ceeb yog cov hluav taws xob xav tau los ntawm lub roj teeb kom muab cov khoom tseem ceeb sib cais nyob rau lub sijhawm ntev tshaj plaws ntawm daim phiaj (xav tias lub sijhawm hluav taws xob ntev tshaj plaws), suav nrog qhov xav tau los xav txog qhov xwm txheej. tsis muaj PV hmo ntuj.
Hauv qhov xwm txheej no, lub peev xwm roj teeb kuj yooj yim los xam. Tsuas sau tag nrho cov khoom tseem ceeb thiab suav tag nrho cov kev siv hluav taws xob ntawm tag nrho cov loads thaum lub sij hawm hluav taws xob ntev tshaj plaws los txiav txim siab txog lub peev xwm roj teeb.
Peb qhov xwm txheej saum toj no yog qhov yuav tsum tau ua ntau tshaj plaws rau kev txhim kho kab sib txuas nrog lub zog cia khoom, thiab tseem muaj cov cai ua raws li thaum xaiv lub peev xwm roj teeb. Txawm li cas los xij, hauv kev siv tswv yim, tej zaum yuav muaj qhov xwm txheej uas ob lossis ntau qhov kev xav tau sib tshooj, uas xav kom peb txheeb xyuas lawv tshwj xeeb raws li qhov yuav tsum tau ua thiab thaum kawg qhia meej txog qhov kev xaiv zoo tshaj plaws rau lub roj teeb.
Tsis tas li ntawd, hauv kev tshuaj ntsuam saum toj no, peb tau hais txog lub zog zoo ntawm lub roj teeb, thiab hauv kev xaiv cov roj teeb tiag tiag, ntau yam xws li kev cuam tshuam ntawm kev thauj khoom, qhov tob ntawm kev tso tawm (DOD) ntawm lub roj teeb, kev ua haujlwm tsis zoo, lub zog. Cov khoom siv khaws cia kev ua tau zoo, thiab cov peev txheej xav tau rov qab los yuav tsum tau xav txog.
Yog li thaum xaiv lub peev xwm roj teeb, nws yog ib qho tsim nyog yuav tsum xav txog qhov hluav taws xob ntawm tag nrho tsev neeg lossis kev siv qhov xwm txheej raws li tag nrho cov kab ke, thiab nws yog ib qho tseem ceeb tshwj xeeb los xaiv cov khoom siv zoo tshaj plaws thiab cov khoom siv sib xyaw ua ke.