Thaum nws los txog rau 800V, cov tuam txhab tsheb tam sim no tsuas yog txhawb nqa 800V ceev them lub platform, thiab cov neeg siv khoom xav tias 800V yog qhov kev them nyiaj ceev ceev.
Qhov tseeb, qhov kev nkag siab no yog kev nkag siab me ntsis.Kom meej meej, 800V high-voltage ceev them tsuas yog ib qho ntawm cov yam ntxwv ntawm 800V system.
Hauv tsab xov xwm no, kuv npaj siab yuav qhia cov neeg nyeem kom ua tiav 800V qhov system los ntawm tsib qhov ntev, suav nrog:
1. Dab tsi yog qhov 800V system ntawm lub tsheb tshiab lub zog?
2. Vim li cas 800V tau tshaj tawm tam sim no?
3. Cov txiaj ntsig zoo li cas tuaj yeem nqa tau 800V tam sim no?
4. Dab tsi yog qhov teeb meem ntawm kev siv 800V tam sim no?
5. Dab tsi yog qhov peev txheej them nyiaj yav tom ntej?
01.Dab tsi yog qhov 800V system ntawm lub zog tshiab tsheb?
Lub high-voltage system muaj xws li tag nrho cov high-voltage Cheebtsam ntawm lub high-voltage platform.Cov duab hauv qab no qhia txog cov khoom siv hluav taws xob siab ntawm ib qho raugtshiab zog ntshiab hluav taws xob tshebnruab nrog dej-txias 400V voltage platformroj teeb pob.
Lub platform voltage ntawm high-voltage system yog muab los ntawm cov zis voltage ntawm lub tsheb fais fab roj teeb pob.
Qhov tshwj xeeb voltage platform ntau ntawm cov qauv hluav taws xob sib txawv muaj feem xyuam rau cov xov tooj ntawm tes txuas nrog hauv cov kab hauv txhua lub pob roj teeb thiab hom hlwb (ternary, lithium hlau phosphate, thiab lwm yam)..
Ntawm lawv, tus naj npawb ntawm cov roj teeb ternary nyob rau hauv series nrog 100 hlwb yog hais txog 400V high voltage.
Lub 400V voltage platform peb feem ntau hais yog ib lo lus dav.Siv lub 400V platform Jikrypton 001 ua piv txwv.Thaum lub roj teeb ternary nqa los ntawm nws mus ntawm 100% SOC rau 0% SOC, nws qhov voltage hloov dav yog ze rau100V (txog 350V-450V).).
3D kos duab ntawm high voltage roj teeb pob
Nyob rau hauv lub tam sim no 400V high-voltage platform, tag nrho cov khoom thiab cov khoom ntawm lub high-voltage system ua hauj lwm nyob rau hauv lub 400V voltage theem, thiab parameter tsim, kev loj hlob thiab kev txheeb xyuas yog nqa tawm raws li 400V voltage theem.
Yuav kom ua tiav tag nrho 800V high-voltage platform system, ua ntej ntawm tag nrho cov, nyob rau hauv cov nqe lus ntawm lub roj teeb pob voltage, ib tug 800V roj teeb pob yuav tsum tau siv, sib xws rau txog 200ternary lithiumroj teeb cell hauv series.
Ua raws li cov motors, cua txias, chargers, DCDC txhawb 800V thiab lwm yam wiring harnesses, high-voltage connectors thiab lwm yam ntawm tag nrho cov high-voltage circuits yog tsim, tsim thiab xyuas raws li 800V yuav tsum tau.
Nyob rau hauv txoj kev loj hlob ntawm 800V platform architecture, nyob rau hauv thiaj li yuav sib haum nrog 500V / 750V ceev them pawg ntawm kev ua lag luam, 800V ntshiab hluav taws xob tsheb yuav nruab nrog 400V rau 800V txhawb DCDC modulesntev.
Nws txoj haujlwm yog uaraws sij hawm txiav txim seb puas yuav qhib lub boost module kom them lub 800V roj teeb pob raws li qhov tseeb voltage muaj peev xwm ntawm lubthem pawg.
Raws li kev sib xyaw ua ke ntawm cov nqi ua haujlwm, muaj kwv yees li ob hom:
Ib qho yog tag nrho 800V platform architecture.
Txhua qhov chaw ntawm lub tsheb nyob rau hauv no architecture yog tsim rau 800V.
Tag nrho 800V high voltage system architecture
Cov qeb thib ob yog tus nqi tsim nyog ntawm 800V platform architecture.
Khaws ib co 400V Cheebtsam: Txij li thaum tus nqi tam sim no 800V fais fab hloov khoom siv yog ob peb zaug ntawm 400V IGBTs, txhawm rau txhawm rau sib npaug ntawm tus nqi ntawm tag nrho lub tsheb thiab kev tsav tsheb, OEMs tau mob siab rau siv 800V Cheebtsam.(xws li motors)ntawmKhaws qee qhov 400V(xws li hluav taws xob cua txias, DCDC).
Multiplexing ntawm lub cev muaj zog cov cuab yeej: Vim tias tsis tas yuav tsav tsheb thaum lub sijhawm them nyiaj, tus nqi-rhiab OEMs yuav rov siv cov khoom siv fais fab hauv lub tsheb qag lub cev muaj zog rau 400V-800 txhawb DCDC.
Fais fab System 800V Platform Architecture
02 ib.Vim li cas cov tsheb tshiab lub zog qhia txog 800V lub tshuab tam sim no?
Hauv kev tsav tsheb niaj hnub ntawm cov tsheb fais fab tam sim no, kwv yees li 80% ntawm cov hluav taws xob tau siv rau hauv lub tshuab tsav.
Lub inverter, los yog lub cev muaj zog tswj, tswj lub tshuab hluav taws xob thiab yog ib qho tseem ceeb tshaj plaws hauv lub tsheb.
Peb-hauv-ib qho hluav taws xob tsav system
Hauv Si IGBT era, kev txhim kho kev ua haujlwm ntawm 800V high-voltage platform me me, thiab daim ntawv thov lub zog tsis txaus.
Kev ua haujlwm poob ntawm qhov tsav lub cev muaj zog feem ntau yog tsim los ntawm lub cev lub cev poob thiab lub inverter poob:
Thawj feem ntawm qhov poob - qhov poob ntawm lub cev muaj zog:
- Copper poob - kub poob ntawm lublub cev muaj zog stator winding(tooj liab);
- Hlau poob Hauv cov tshuab uas lub cev muaj zog siv lub zog sib nqus, qhov kub poob(Joule tshav kub)tshwm sim los ntawm eddy tam sim no generated nyob rau hauv cov hlau(los yog aluminium)ib feem ntawm lub cev muaj zog vim kev hloov pauv ntawm lub zog sib nqus;
- Kev poob qis yog raug ntaus nqi los ntawm kev poob qis los ntawm kev khiav tsis tu ncua;
- cua poob.
Ib hom ntawm 400V ca hlau lub cev muaj zog raws li hauv qab no muaj qhov ua tau zoo tshaj plaws ntawm 97%, thiab 400V Extreme Krypton 001 Wei Rui lub cev muaj zog tau hais tias muaj kev ua haujlwm siab tshaj plaws ntawm 98%.
Hauv theem 400V, uas tau mus txog qhov ua tau zoo tshaj plaws ntawm 97-98%, tsuas yog siv 800V platform muaj qhov chaw txwv rau txo qhov poob ntawm lub cev muaj zog nws tus kheej.
Part 2 Losses: Tsav Inverter Losses:
- conduction poob;
- hloov losses.
Cov hauv qab no yog covHonda400V platform IGBT lub cev muaj zog inverter efficiency Daim ntawv qhia[1].Ntau tshaj 95% ntawmcov chaw ua haujlwm siab yog ze li 50%.
Los ntawm kev sib piv ntawm qhov poob tam sim no ntawm ob ntu:
Hauv kev sib piv ntxhib ntawm lub cev lub cev poob (> 2%)thiab lub cev muaj zog inverter poob(> 4%), lub inverter poob yog qhov loj.
Yog li ntawd, kev tsav tsheb ntau ntawm lub tsheb muaj feem cuam tshuam nrog kev ua haujlwm ntawm lub ntsiab inverter ntawm lub cev muaj zog.
Ua ntej kev loj hlob ntawm lub thib peb tiam fais fab semiconductor SiC MOSFET, lub hwj chim Cheebtsam ntawm lub zog tshiab tsheb, xws li lub cev muaj zog tsav, siv Si IGBT raws li lub switching ntaus ntawv ntawm lub inverter, thiab cov txhawb voltage theem yog tsuas yog hais txog 650V.Cov kab hluav taws xob hluav taws xob, hluav taws xob locomotives thiab lwm lub sijhawm tsis siv.
Los ntawm qhov ua tau, lub zog tshiab neeg caij tsheb tuaj yeem siv qhov kev xav siv IGBT nrog lub zog ntawm 1200V raws li lub zog hloov ntawm 800V lub cev muaj zog, thiab 800V system yuav tsim nyob rau hauv IGBT era.
Los ntawm qhov kev xav ntawm tus nqi kev ua tau zoo, 800V voltage platform tau txwv kev txhim kho hauv kev ua haujlwm ntawm lub cev lub cev.Kev siv tsis tu ncua ntawm 1200V IGBTs tsis txhim kho kev ua haujlwm ntawm lub cev muaj zog inverter, uas suav rau feem ntau ntawm kev poob.Hloov chaw, nws coj cov nqi tsim kho.Cov tuam txhab tsheb feem ntau tsis muaj daim ntawv thov hluav taws xob hauv IGBT era.800V platform.
Nyob rau hauv lub era ntawm SiC MOSFETs, kev ua tau zoo ntawm 800V systems pib txhim kho vim yog yug ntawm cov khoom tseem ceeb.
Tom qab qhov tshwm sim ntawm lub thib peb tiam semiconductor khoom siv silicon carbide fais fab mov, nws tau txais kev saib xyuas vim nws cov yam ntxwv zoo heev [2].Nws muab cov txiaj ntsig zoo ntawm Si MOSFETs thiab high voltage Si IGBTs:
- Kev ua haujlwm siab - mus txog qib MHz, siab dua kev ywj pheej
- Zoo voltage kuj - mus txog 3000 kV, dav daim ntawv thov scenarios
- Kev ntsuas kub zoo - tuaj yeem ua haujlwm ruaj khov ntawm qhov kub ntawm 200 ℃
- Kev sib xyaw me me - kev ua haujlwm siab dua yuav txo qhov heatsink loj thiab qhov hnyav
- Kev Ua Haujlwm Zoo Tshaj Plaws - Kev siv cov khoom siv hluav taws xob SiC ua kom muaj zog ntawm cov khoom siv hluav taws xob xws li lub cev muaj zog inverters vim txo qis.Noj covNtseGenie ua piv txwv hauv qab no.Nyob rau hauv tib lub voltage platform thiab yeej tib txoj kev kuj(yuav luag tsis muaj qhov sib txawv ntawm qhov hnyav / duab / log dav),Tag nrho cov ntawm lawv yog Virui motors.Piv nrog rau IGBT inverters, tag nrho kev ua tau zoo ntawm SiC inverters tau txhim kho li ntawm 3%.Nco tseg: Kev txhim kho tiag tiag ntawm inverter efficiency kuj muaj feem xyuam nrog kev tsim kho vajtse thiab software tsim tawm ntawm txhua lub tuam txhab.
Cov khoom lag luam SiC thaum ntxov tau txwv los ntawm SiC wafer txoj kev loj hlob thiab kev ua haujlwm nti, thiab lub peev xwm nqa ib leeg tam sim no ntawm SiC MOSFETs qis dua li ntawm Si IGBTs.
Hauv xyoo 2016, pab pawg tshawb fawb hauv Nyij Pooj tau tshaj tawm txoj kev vam meej ntawm lub zog siab ceev inverter siv SiC, thiab tom qab ntawd luam tawm cov txiaj ntsig hauv (Kev Lag Luam Hluav Taws Xob thiab Hluav Taws Xob Hluav Taws Xob ntawm Lub Tsev Haujlwm Hluav Taws Xob Hluav Taws Xob ntawm Nyij Pooj)IEEJ [3].Lub inverter muaj qhov tso zis siab tshaj plaws ntawm 35kW thaum lub sijhawm.
Xyoo 2021, nrog kev nce qib ntawm kev siv thev naus laus zis xyoo dhau los, tam sim no nqa lub peev xwm ntawm cov khoom tsim tawm SiC MOSFETs nrog lub zog tiv thaiv ntawm 1200V tau txhim kho, thiab cov khoom uas tuaj yeem hloov kho rau lub zog ntawm ntau dua 200kW tau pom.
Nyob rau theem no, lub tshuab no tau pib siv rau hauv tsheb tiag.
Ntawm qhov tod tes, kev ua tau zoo ntawm cov khoom siv hluav taws xob hluav taws xob hluav taws xob zoo li zoo tagnrho.SiC cov khoom siv hluav taws xob muaj kev ua haujlwm siab dua li IGBTs, thiab tuaj yeem phim lub peev xwm tiv taus hluav taws xob(1200V) ntawmlub platform 800V, thiab tau tsim kom muaj peev xwm ntawm ntau tshaj 200kW hauv xyoo tas los no;
Ntawm qhov tod tes, 800V high-voltage platform nce tuaj yeem pom.Qhov ob npaug ntawm qhov hluav taws xob coj qhov kev txwv sab saud ntawm lub zog them ntawm tag nrho lub tsheb siab dua, tooj liab poob ntawm lub kaw lus qis dua, thiab lub zog ceev ntawm lub cev muaj zog inverter yog siab dua.(tus yam ntxwv, lub zog thiab lub zog ntawm tib lub cev muaj zog yog siab dua);
Qhov thib peb yog kom muaj kev koom tes hauv kev lag luam tshiab lub zog.Kev nrhiav kev ua haujlwm siab thiab kev ua kom lub zog nrawm dua ntawm cov neeg siv khoom, sab kev lag luam tau mob siab ua kom muaj qhov sib txawv ntawm lub zog hluav taws xob sib txawv hauv kev lag luam hluav taws xob tshiab;
Cov xwm txheej saum toj no thaum kawg tau coj los ntawm kev tshawb nrhiav loj thiab kev siv lub zog tshiab 800V high-voltage platforms hauv ob xyoos dhau los.Tam sim no teev 800V platform qauv suav nrog Xiaopeng G9,PorscheTaycanthiab lwm yam.
Tsis tas li ntawd, SAIC, Krypton,Lotus, Zoo tagnrho,Tianji Tshebthiab lwm lub tuam txhab tsheb kuj tseem muaj feem cuam tshuam txog 800V qauv npaj los qhia rau lub khw.
03.Cov txiaj ntsig zoo li cas tuaj yeem nqa tau 800V tam sim no?
Lub 800V system tuaj yeem ua raws li ntau qhov zoo.Kuv xav tias cov txiaj ntsig zoo tshaj plaws rau cov neeg siv khoom tam sim no yog ob qho hauv qab no.
Ua ntej, lub roj teeb lub neej ntev dua thiab ruaj khov dua, uas yog cov txiaj ntsig zoo tshaj plaws.
Nyob rau theem kev siv hluav taws xob ntawm 100 mais raws li CLTC kev ua haujlwm, cov txiaj ntsig tau los ntawm 800V system(Daim duab hauv qab no qhia txog kev sib piv ntawm Xiaopeng G9 thiabBMWiX3, G9 hnyav dua, lub cev dav dua, thiab lublog tshebyog dav dua, tag nrho cov uas yog qhov tsis zoo rau kev siv hluav taws xob), conservative kwv yees Muaj 5% nce.
Nyob rau hauv high speeds, lub zog noj kev txhim kho ntawm 800V system yog hais tias yuav tsum tau pronounced.
Thaum lub sij hawm tso tawm ntawm Xiaopeng G9, cov tuam txhab lag luam txhob txwm tshaj tawm cov xov xwm los ua cov kev sim siab ceev roj teeb lub neej.Ntau cov xov xwm tau tshaj tawm tias 800V Xiaopeng G9 ua tiav lub roj teeb siab ceev lub neej (high-speed roj teeb lub neej / CLTC roj teeb lub neej * 100%).
Lub zog txuag hluav taws xob tiag tiag yuav tsum muaj kev lees paub ntxiv los ntawm kev ua lag luam tom qab.
Qhov thib ob yog muab kev ua si tag nrho rau lub peev xwm ntawm cov khoom siv uas twb muaj lawm.
400V platform qauv, thaum ntsib 120kW, 180kW them pawg, them ceev yuav luag zoo ib yam.(Cov ntaub ntawv xeem los ntawm Chedi)Lub DC boost module siv los ntawm 800V platform qauv tuaj yeem ncaj qha them cov nqi qis uas twb muaj lawm.200kW / 750V / 250Auas tsis txwv los ntawm daim phiaj fais fab mus rau tag nrho lub zog ntawm 750V / 250A.
Lus Cim: Qhov tseeb tag nrho ntawm qhov hluav taws xob ntawm Xpeng G9 yog qis dua 800V vim kev xav txog engineering.
Ua piv txwv pawg ua piv txwv, lub zog them nyiaj ntawm Xiaopeng G9 (800V platform)nrog tib lub 100-degree roj teeb pobyog ze li 2 lub sij hawmyog j001(400V platform).
04 ib.Dab tsi yog qhov teeb meem hauv daim ntawv thov 800V tam sim no?
Qhov nyuaj tshaj plaws ntawm 800V daim ntawv thov yog tseem sib cais los ntawm tus nqi.
Tus nqi no tau muab faib ua ob ntu: tus nqi tiv thaiv thiab tus nqi tsim kho.
Cia peb pib nrog tus nqi ntawm qhov chaw.
Cov khoom siv hluav taws xob hluav taws xob siab yog kim thiab siv ntau heev.Tus tsim ntawm tag nrho 1200-voltage high-voltage fais fab tuag nrog tag nrho 800V architecture siv ntau tshaj30, thiab tsawg kawg yog 12SiC rau dual-lub cev muaj zog qauv.
Raws li lub Cuaj Hlis 2021, tus nqi muag khoom ntawm 100-A discrete SiC MOSFETs (650 V thiab 1,200 V) yog yuav luag 3 zaugtus nqi sib npaug Si IGBT.[4]
Raws li lub Kaum Hlis 11, 2022, kuv tau kawm tias tus nqi muag khoom sib txawv ntawm ob Infineon IGBTs thiab SiC MOSFETs nrog cov kev ua tau zoo sib xws yog kwv yees li 2.5 npaug..(Cov ntaub ntawv qhov chaw Infineon official lub vev xaib Lub Kaum Hli 11, 2022)
Raws li cov ntaub ntawv saum toj no ob qhov chaw, nws tuaj yeem txiav txim siab tias kev lag luam tam sim no SiC yog kwv yees li 3 npaug ntawm tus nqi sib txawv ntawm IGBT.
Qhov thib ob yog tus nqi tsim kho.
Txij li feem ntau ntawm 800V-hais txog qhov yuav tsum tau kho dua tshiab thiab txheeb xyuas, qhov ntsuas ntim loj dua li cov khoom me me.
Qee cov khoom siv kuaj hauv 400V era yuav tsis haum rau 800V cov khoom, thiab cov khoom siv kuaj tshiab yuav tsum tau yuav.
Thawj pawg ntawm OEMs siv 800V cov khoom tshiab feem ntau yuav tsum tau muab cov nqi kev sim ntau ntxiv nrog rau cov khoom lag luam.
Nyob rau theem no, OEMs yuav xaiv 800V cov khoom lag luam los ntawm cov neeg tsim khoom tsim los ntawm kev ceev faj, thiab cov nqi tsim kho ntawm cov neeg muag khoom tsim yuav kuj siab dua.
Raws li kev kwv yees ntawm lub tsheb engineer ntawm OEM hauv 2021, tus nqi ntawm 400kW-theem ntshiab hluav taws xob tsheb nrog tag nrho 800V architecture thiab dual-motor 400kW system yuav nce ntawm 400V rau 800V., thiab tus nqi yuav nce li ntawm10,000-20,000 yuan.
Qhov thib peb yog tus nqi qis ua haujlwm ntawm 800V system.
Noj cov neeg siv hluav taws xob ntshiab siv lub tsev them nyiaj ua piv txwv, piv txwv li tus nqi them ntawm 0.5 yuan / kWh thiab kev siv hluav taws xob ntawm 20kWh / 100km (kev siv hluav taws xob ib txwm siv rau kev caij nkoj ntawm nruab nrab thiab loj EV qauv), tam sim no tus nqi nce ntawm 800V system tuaj yeem siv los ntawm cov neeg siv khoom rau 10- 200,000 mais.
Tus nqi hluav taws xob txuag tau los ntawm kev txhim kho kev ua haujlwm ntawm lub tsheb lub neej (raws li kev txhim kho kev ua haujlwm ntawm high-voltage platform thiab SiC, tus sau kwv yees kwv yees qhov ua tau zoo ntawm 3-5%)tsis tuaj yeem them tus nqi tsheb nce ntxiv.
Kuj tseem muaj kev txwv kev lag luam rau 800V qauv.
Qhov zoo ntawm 800V platform hais txog kev lag luam tsis pom tseeb, yog li nws yog qhov tsim nyog rau kev ua haujlwm siab B + / C-chav ua qauv uas muaj qhov kawg ntawm kev ua haujlwm ntawm lub tsheb thiab yog qhov tsis zoo rau tus nqi ntawm ib lub tsheb.
Hom tsheb no muaj kev lag luam me me.
Raws li kev tawg ntawm cov ntaub ntawv ntawm Cov Neeg Caij Tsheb, txij lub Ib Hlis mus txog Lub Yim Hli 2022, raws li kev txheeb xyuas cov nqi ntawm cov tsheb tshiab hauv Suav teb, qhov muag ntim ntawm 200,000-300,000 suav txog 22%, qhov muag ntawm 300,000 rau 400,000 accounted rau16%, thiab kev muag khoom ntau dua 400,000 suav rau4%.
Noj tus nqi ntawm 300,000 lub tsheb raws li ciam teb, nyob rau lub sij hawm thaum tus nqi ntawm 800V Cheebtsam tsis txo qis, 800V qauv tuaj yeem suav txog li 20% ntawm kev ua lag luam..
Plaub, 800V qhov chaw muab khoom lag luam tsis paub qab hau.
Daim ntawv thov 800V system yuav tsum tau kho dua tshiab ntawm qhov qub high voltage Circuit Court qhov chaw.High-voltage platform roj teeb, hluav taws xob drives, chargers, thermal tswj systems thiab qhov chaw, feem ntau ntawm Tire1 thiab Tire2 tseem nyob rau hauv txoj kev loj hlob theem thiab tsis muaj kev paub nyob rau hauv loj ntau lawm daim ntaub ntawv.Muaj ob peb tus neeg xa khoom rau OEMs, thiab cov khoom lag luam uas paub tab yuav tshwm sim vim muaj qhov xav tsis thoob.teeb meem kev tsim khoom.
Thib tsib, 800V tom qab kev muag khoom tsis raug lees paub.
Lub 800V system siv ntau yam khoom tsim tshiab (lub cev muaj zog inverter, lub cev muaj zog, roj teeb, charger + DCDC, high-voltage connector, high-voltage air conditioner, etc.), thiab nws yog ib qho tsim nyog los xyuas kom meej qhov clearance, creepage nrug, rwb thaiv tsev, EMC, tshav kub dissipation, thiab lwm yam.
Tam sim no, cov khoom tsim thiab kev txheeb xyuas lub voj voog nyob rau hauv lub lag luam tshiab lub zog yog luv luv (feem ntau, lub voj voog kev loj hlob ntawm cov haujlwm tshiab hauv kev sib koom ua ke qub yog 5-6 xyoo, thiab kev loj hlob tam sim no hauv kev lag luam hauv tsev yog tsawg dua 3 xyoos. ).Nyob rau tib lub sijhawm, lub sijhawm tshuaj xyuas lub tsheb tiag tiag ntawm 800V cov khoom lag luam tsis txaus, thiab qhov tshwm sim ntawm kev muag khoom tom qab yog qhov siab..
Thib rau, daim ntawv thov tus nqi ntawm 800V system ceev them tsis siab.
Thaum cov tuam txhab tsheb txhawb nqa 250kW,480 kW (800V)high-power super ceev them, lawv feem ntau tshaj tawm cov xov tooj ntawm lub nroog uas cov pawg them nyiaj tau tso tseg, npaj siab coj cov neeg siv khoom xav tias lawv tuaj yeem txaus siab rau qhov kev paub no txhua lub sijhawm tom qab yuav tsheb, tab sis qhov tseeb tsis zoo.
Muaj peb yam kev txwv loj:
Xiaopeng G9 800V High Voltage Fast Charge Daim Ntawv Qhia
(1) 800V them pawg yuav muab ntxiv.
Tam sim no, ntau dua DC them pawg ntawm kev ua lag luam txhawb nqa qhov siab tshaj plaws ntawm 500V / 750V thiab qhov txwv tam sim no ntawm 250A, uas tsis tuaj yeem ua si tag nrho raulub peev xwm them ceev ceev ntawm 800V system(300-400 kW).
(2) Muaj kev txwv ntawm lub zog siab tshaj plaws ntawm 800V supercharged pawg.
Siv Xiaopeng S4 supercharger (siab ua kua txias)Piv txwv li, lub peev xwm them siab tshaj plaws yog 480kW / 670A.Vim qhov txwv tsis pub muaj peev xwm ntawm daim phiaj hluav taws xob, qhov chaw ua qauv qhia tsuas yog txhawb nqa ib lub tsheb them xwb, uas tuaj yeem siv lub zog them siab tshaj plaws ntawm 800V qauv.Thaum lub sij hawm siab tshaj plaws, kev them nyiaj ib txhij ntawm ntau lub tsheb yuav ua rau lub zog hloov pauv.
Raws li qhov piv txwv ntawm cov kws tshaj lij fais fab: cov tsev kawm ntawv uas muaj ntau dua 3,000 tus tub ntxhais kawm nyob rau sab hnub tuaj ntug dej hiav txwv thov rau lub peev xwm 600kVA, uas tuaj yeem txhawb nqa 480kW 800V supercharged pawg raws li kev kwv yees ntawm 80% kev ua haujlwm.
(3) Tus nqi peev ntawm 800V supercharged pawg yog siab.
Qhov no suav nrog transformers, pawg, lub zog cia, thiab lwm yam. Tus nqi tiag tiag yog kwv yees ntau dua li ntawm qhov chaw sib pauv, thiab qhov ua tau ntawm kev xa tawm loj yog tsawg.
800V supercharging tsuas yog icing ntawm lub ncuav mog qab zib, yog li dab tsi ntawm qhov chaw them nqi tuaj yeem txhim kho kev them nqi?
2022 Nyiaj so koobtsheej High Speed Charging Field
05.Kev xav txog kev teeb tsa ntawm cov chaw them nyiaj yav tom ntej
Tam sim no, nyob rau hauv tag nrho cov domestic charging pawg infrastructure, lub tsheb-rau-pile ratio (nrog rau pej xeem pawg + private piles)tseem nyob rau theem ntawm 3: 1(raws li cov ntaub ntawv 2021).
Nrog rau kev nce hauv kev muag khoom ntawm lub zog tshiab tsheb thiab kev pab cuam ntawm cov neeg siv khoom cov kev txhawj xeeb txog kev them nyiaj, nws yog ib qho tsim nyog yuav tsum tau nce lub tsheb-rau-pile ratio.Ntau yam kev qhia tshwj xeeb ntawm cov khoom siv ceev ceev thiab cov khoom siv qeeb qeeb tuaj yeem npaj tsim nyog nyob rau hauv qhov xwm txheej thiab cov xwm txheej ceev ceev, txhawm rau txhim kho cov kev paub dhau los.Txhawm rau txhim kho, thiab tuaj yeem sib npaug ntawm daim phiaj thauj khoom.
Thawj yog qhov chaw them nyiaj, them nyiaj yam tsis muaj sijhawm tos ntxiv:
(1) Cov chaw nres tsheb hauv tsev: Muaj ntau qhov sib koom ua ke thiab kev sib koom ua ke qeeb qeeb hauv 7kW tau tsim, thiab cov tsheb roj tau muab qhov tseem ceeb rau qhov chaw nres tsheb tsis muaj zog tshiab, uas tuaj yeem ua tau raws li cov neeg xav tau kev pab, thiab cov nqi tso tawm yog kuj tsis tshua muaj, thiab txoj kev tswj kom zoo kuj tuaj yeem zam dhau ntawm daim phiaj hluav taws xob hauv cheeb tsam.muaj peev xwm.
(2) Cov khw muag khoom / cov chaw zoo nkauj / chaw ua lag luam / chaw ua haujlwm / tsev so thiab lwm qhov chaw nres tsheb: 20kW ceev them nyiaj ntxiv, thiab ntau tus nqi ntawm 7kW qeeb tau tsim.Kev loj hlob sab: tus nqi qis ntawm kev them nqi qeeb thiab tsis muaj nqi ntxiv;Cov neeg siv khoom sab nrauv: zam qhov chaw nyob / txav tsheb tom qab them ceev ceev tau them tag nrho hauv lub sijhawm luv luv.
Qhov thib ob yog ceev zog ntxiv, yuav ua li cas txuag lub sij hawm siv zog tag nrho:
(1) Qhov chaw pabcuam kev nthuav dav: tuav tus naj npawb tam sim no ntawm kev them nyiaj ceev, nruj me ntsis txwv kev them nyiaj sab saud (xws li 90% -85% ntawm lub ncov), thiab xyuas kom cov nqi them ceev ntawm kev tsav tsheb mus ntev.
(2) Cov chaw nres tsheb roj ze ntawm txoj kev loj nkag hauv nroog loj / lub nroog: teeb tsa lub zog ceev ceev, thiab nruj me ntsis txwv kev them nyiaj siab tshaj (xws li 90% -85% ntawm lub ncov), raws li ib qho ntxiv rau qhov chaw pabcuam kev kub ceev, ze rau kev tsav tsheb ntev ntawm cov neeg siv hluav taws xob tshiab xav tau, thaum radiating lub nroog / nroog hauv av them nyiaj xav tau.Lus Cim: Feem ntau, qhov chaw nres tsheb hauv av tau nruab nrog lub peev xwm 250kVA, uas tuaj yeem txhawb nqa ob lub 100kW ceev them pawg tib lub sijhawm.
(3) Lub chaw nres tsheb roj hauv nroog / chaw nres tsheb qhib huab cua: teeb tsa lub zog hluav taws xob ceev ceev kom txo qis qis ntawm kev them nyiaj.Tam sim no, PetroChina tab tom siv cov chaw them nqi ceev ceev / pauv cov chaw hauv lub zog tshiab, thiab xav tias ntau thiab ntau lub chaw nres tsheb roj yuav tau nruab nrog cov nqi them ceev ceev yav tom ntej.
Lus Cim: Qhov chaw thaj chaw ntawm qhov chaw nres tsheb roj / chaw nres tsheb qhib nws tus kheej yog nyob ze rau ntawm txoj kev thiab lub tsev nta tau pom tseeb dua, uas yooj yim rau kev them nyiaj rau cov neeg siv khoom kom pom cov pawg sai sai thiab tawm ntawm qhov chaw sai.
06.Sau ntawv kawg
Tam sim no, 800V system tseem ntsib ntau yam teeb meem ntawm tus nqi, thev naus laus zis thiab kev tsim kho vaj tse.Cov teeb meem no yog tib txoj hauv kev rau kev tsim kho tshiab thiab kev tsim kho tshiab lub zog tsheb thev naus laus zis thiab kev lag luam iteration.theem.
Cov tuam txhab tsheb hauv Suav teb, nrog rau lawv txoj kev siv hluav taws xob sai thiab muaj peev xwm ua tau zoo, tej zaum yuav muaj peev xwm paub txog ntau qhov kev siv ceev ceev ntawm 800V systems, thiab ua tus thawj coj hauv kev coj tus qauv ntawm kev siv tshuab hauv kev siv tsheb tshiab.
Cov neeg siv khoom hauv Suav teb kuj tseem yuav yog thawj tus tau txais kev txaus siab rau lub tsheb zoo tshaj plaws uas tau coj los ntawm kev ua haujlwm thev naus laus zis.Nws tsis zoo li nyob rau hauv lub sijhawm ntawm cov tsheb roj, thaum cov neeg siv khoom hauv tsev yuav cov qauv qub los ntawm cov tuam txhab tsheb sib txawv, cov cuab yeej siv qub lossis cov khoom siv thev naus laus zis.
Cov ntaub ntawv:
[1] Honda Technology Kev Tshawb Fawb: Kev Txhim Kho Lub Tsav Tsheb thiab PCU rau SPORT HYBRID i-MMD System
[2] Han Fen, Zhang Yanxiao, Shi Hao.Daim ntawv thov ntawm SiC MOSFET hauv Boost circuit [J].Industrial Instrumentation thiab Automation Device, 2021(000-006).
[3] Koji Yamaguchi, Kenshiro Katsura, Tatsuro Yamada, Yukihiko Sato .High Power Density SiC-Based Inverter nrog lub zog ceev ntawm 70 kW / liter lossis 50 kW / kg [J].IEEJ Journal of Industry Applications
[4] PGC Consultancy Article: Noj Tshuag ntawm SiC, Ntu 1: kev tshuaj xyuas ntawm SiC nqi kev sib tw thiab ib txoj hauv kev kom txo cov nqi
Post lub sij hawm: Oct-21-2022