Lub Ntiaj Teb Yav Tom Ntej ntawm Kev Them Nqi BESS DC Siab

Cov Lus Teb Sai:Kev them fais fab BESS DC uas muaj zog siab yog hais txog cov kab ke uas khaws roj teeb ua haujlwm ntawm cov tsheb npav uas muaj zog DC siab - 800 V, 1000 V, thiab dhau mus rau 1500 V - pub ncaj qha rau cov chaw them fais fab DC siab, feem ntau nrog DC-coupled solar input, los pabcuam 800 V thiab 1000 V lub tsheb platforms ntawm 350–600 kW thiab siab dua. Kev hloov pauv thev naus laus zis raug tsav los ntawm peb lub zog: cov qauv tsheb txav mus los ntawm 400 V mus rau 800 V/1000 V (ua kom them tau 10–80% hauv qab 15 feeb), qhov ua tau zoo ntawm DC coupling (tshem tawm ob theem hloov AC-DC thiab tsa kev ua haujlwm rov qab mus rau 95%+), thiab cov khoom siv them fais fab txias uas tuav tau 500 A+ tam sim no tas li. Los ntawm xyoo 2028, feem ntau cov chaw them hluav taws xob tshiab rau txoj kev loj yuav raug tsim los ntawm 1000 V DC-coupled BESS platforms, nrog rau kev them megawatt rau cov tsheb thauj khoom (MCS) thawb mus rau 1250 A thiab 3.75 MW ib zaug.

Cov Ntsiab Lus Tseem Ceeb:

• Cov platform tsheb tab tom hloov pauv ntawm 400 V mus rau 800 V/1000 V, thiab cov chargers yuav tsum sib npaug voltage kom tsis txhob muaj kev txo qis thiab kev nplua rau kev them ceev.
• DC-coupled BESS architecture tshem tawm ob theem hloov pauv, ua kom lub kaw lus ua haujlwm tau zoo txog 95%+ thiab txo cov cua sov thiab lub zog poob ntawm cov chaw loj.
• Kev txias ua kua yog qhov yuav tsum tau ua tshaj li 300 kW: nws txhawb nqa 500 A+ txuas ntxiv mus los ntawm cov khoom sib txuas thiab cov xov hlau uas cua txias tsis tuaj yeem tswj tau.
• Cov qauv no tab tom sib sau ua ke nyob ib puag ncig ISO 15118-20 (bidirectional thiab Plug & Charge), NACS kev siv hauv North America, thiab MCS rau kev them hluav taws xob rau cov tsheb thauj khoom hnyav.
• Kev tsim qhov chaw uas ruaj khov rau yav tom ntej txhais tau tias yog kev tsim kho rau 1000 V DC cov tsheb npav, cov khoom siv txias uas siv kua, thiab cov blocks fais fab modular uas tuaj yeem nce mus rau qhov tso zis megawatt.

Kev Sib Tw Hluav Taws Xob: Txij li 400 V txog 1000 V+ Lub Tsheb Platforms

Txhua lub tsheb lub roj teeb muaj lub zog nominal uas txiav txim siab qhov tam sim no xav tau rau lub zog them. Ntawm 400 V, xa 350 kW xav tau kwv yees li 875 A - tam sim no uas tsim cov cua sov loj heev thiab cov khoom siv sib txuas. Ntawm 800 V, tib lub zog xav tau tsuas yog ~ 440 A, thiab ntawm 1000 V tsuas yog ~ 350 A. Qhov kev suav lej no yog vim li cas yuav luag txhua lub OEM loj tau tsim 800 V platforms ntawm xyoo 2021 thiab 2025 (nrog ntau qhov tshaj tawm 900–1000 V architectures), thiab vim li cas cov chaw them nqi yuav tsum phim: lub charger 400 V-class xa mus rau lub tsheb 800 V txo qis lossis xav tau DC-DC hloov pauv, poob qhov ceev thiab kev ua haujlwm zoo.

Rau cov neeg tsim kho qhov chaw, qhov tseeb yog tias cov kev teeb tsa tshiab yuav tsum tau teev tseg rau 1000 V tso zis txij hnub thawj. Cov chargers ntsuas rau 1000 V pabcuam rau tag nrho cov tsheb sib xyaw - 400 V, 800 V, thiab 1000 V - los ntawm kev sib tham txog qhov hluav taws xob ntawm lub sijhawm ib qho ISO 15118, thaum cov khoom siv qub ntsuas 500 V raug tso tseg thaum cov tsheb tsiv mus rau sab saud.

Vim li cas High-Voltage BESS hloov pauv qhov kev tsim qauv ntawm qhov chaw

Lub tsheb npav BESS uas muaj hluav taws xob ntau tsis yog tsuas yog lub roj teeb loj dua xwb; nws hloov pauv qhov chaw tsim hluav taws xob. Cov chaw ib txwm hloov lub zog AC grid mus rau DC ntawm lub charger, pov tseg 3-6% ib qho kev hloov pauv thiab ua rau lub nra hnyav rau kev sib txuas ntawm lub grid. Hauv kev tsim DC-coupled uas muaj hluav taws xob ntau, lub roj teeb thiab lub hnub ci array pub rau lub tsheb npav 1000 V DC sib koom, thiab cov chargers rub DC ncaj qha - tshem tawm ob theem hloov pauv tag nrho (AC-DC ntawm sab hnub ci thiab txoj kev grid-rau-charger). Qhov tshwm sim ntsuas yog qhov ua tau zoo ntawm 92-95% piv rau 85-90% rau AC-coupled sib npaug, ntxiv rau qhov txo qis transformer thiab switchgear loj rau tib lub zog xa tawm.

Cov tsheb npav hluav taws xob siab kuj ua rau cov xov hluav taws xob me me thiab poob raws li qhov hluav taws xob. Lub tsheb npav 1500 V DC nqa tib lub zog ntawm ob feem peb ntawm qhov tam sim no ntawm lub tsheb npav 1000 V, ua rau cov xov hlau ntev dua ntawm cov roj teeb faib thiab cov chargers - qhov zoo dua rau cov chaw loj uas cov txee roj teeb zaum 50-100 meters ntawm cov chaw them. Qhov no yog vim li cas 1500 V-class BESS tau dhau los ua tus qauv hauv kev khaws cia hauv thawv thiab vim li cas sab saum toj ntawm MIDA cov khoom kab - [split-type DC fast charging systems](https://www.midapower.com/400kw-500kw-split-dc-charging-systems-ccs-gbt-ev-charger-station-super-charger-pile-product/) los ntawm 360 kW txog 1680 kW - siv cov hluav taws xob siab DC faib los ntsuas lub zog yam tsis muaj kev sib npaug ntawm cov xov tooj liab.

DC-Coupled Architectures: Txiav Kev Poob ntawm Qhov Chaw

DC coupling txhais tau tias lub photovoltaic array (yog tias muaj), lub roj teeb, thiab cov chargers txhua tus txuas nrog lub tsheb npav DC, nrog rau ib lub grid-tied AC-DC converter tswj hwm qhov chaw sib pauv hauv internet nrog lub chaw pabcuam. Lub architecture muab peb qhov txiaj ntsig sib xyaw ua ke:

1. Kev siv lub hnub ci ntau dua.Lub zog PV mus ncaj qha rau lub roj teeb lossis cov tsheb yam tsis muaj kev hloov pauv nruab nrab, yog li cov chaw nres tsheb hnub ci ntxiv rau sab nraud ua haujlwm nrog ~ 95% ntawm lub zog vaj huam sib luag xa mus rau cov haujlwm muaj txiaj ntsig. 2.Cov nqi thov qis dua.Lub roj teeb ua kom qhov chaw AC-sab import du, thiab lub DC bus nqus qhov tsis sib xws ntawm lub hnub ci tsim hluav taws xob, lub xeev roj teeb, thiab lub zog them. 3.Cov khoom siv hluav taws xob yooj yim dua.Cov theem hloov pauv tsawg dua txhais tau tias muaj cov ntsiab lus ua tsis tiav tsawg dua, cov khoom siv txias tsawg dua, thiab cov khoom siv me dua rau ib kilowatt uas tau teeb tsa.

MIDA [cov chaw them fais fab uas khaws cia hluav taws xob ua ke](https://www.midapower.com/energy-storage-charging-station) — los ntawm [200 kWh/120 kW cov chaw MPPT hnub ci uas tsis siv hluav taws xob](https://www.midapower.com/200kwh-120kw-mobile-ev-charger-off-grid-solar-mppt-dc-fast-charging-station-product/) mus rau [482 kWh/320 kW](https://www.midapower.com/320kw-482kwh-bess-charger-mobile-ev-charging-station-energy-storage-system-product/) thiab 625 kWh/400 kW kev teeb tsa — siv raws nraim li DC-coupled topology no. Lub MPPT hnub ci nkag thiab lub roj teeb sib koom DC lub tsheb npav nrog lub charger fais fab, yog vim li cas cov kab ke no tuaj yeem ua haujlwm tawm ntawm lub grid tag nrho thaum tseem xa cov kev ua haujlwm them ceev tag nrho.

Kev Txias Ua Kua: Qhov Ua Rau Kev Them Nyiaj Megawatt-Class

Qhov ceev tam sim no yog phab ntsa uas lub zog them hluav taws xob siab ntaus. Cov khoom sib txuas thiab cov xov hlau uas txias los ntawm cua raug txwv rau kwv yees li 250–350 A ua ntej cua sov thiab qhov hnyav ntawm cov xov hlau tsis tuaj yeem tswj tau; saum toj no, lub connector ncav cuag cov kev txwv thermal hauv ob peb feeb thiab yuav tsum txo qis. Kev txias ua kua hloov pauv qhov sib npaug los ntawm kev ncig cov dej txias los ntawm lub tsho cable thiab lub cev connector, tshem tawm cua sov ntawm qhov chaw. Cov txheej txheem them hluav taws xob uas txias ua kua tuav tau 500–600 A tas li, nrog MCS connectors tsom mus rau 1250 A.

Cov kev cuam tshuam rau kev tsim chaw nres tsheb yog cov qauv:

• Txhawb nqa lub zog siab yam tsis muaj kev txo qis.Lub chaw tsim hluav taws xob uas txias nrog kua 600–1080 kW tuaj yeem xa hluav taws xob tag nrho ob zaug hauv lub caij ntuj sov kub, qhov twg cov khoom siv txias nrog cua txo qis los ntawm 20–40%.
• Cov cables nyias dua, sib dua.Ib txoj hlua 500 A uas txias nrog kua hnyav kwv yees li ib nrab ntawm qhov sib npaug ntawm cua txias ntawm tib qib, txhim kho ergonomics rau cov tsav tsheb - qhov tseeb siv rau hauv cov tsheb siv txhua hnub thiab cov chaw loj.
• Cov modules fais fab txias nrog kua.Cov modules converter lawv tus kheej (chav kawm 40–125 kW) yog txias nrog kua, ua rau muaj qhov ceev ntawm cov module uas megawatt-chav kawm cabinets xav tau. MIDA's 40 kW/60 kW/75 kW/125 kW [liquid-cooled power modules](https://www.midapower.com/40kw-dc-bus-input-1000v-dc-dc-ev-charging-module-liquid-cooled-power-module-product/) muab zog rau sab saum toj ntawm cov khoom siv them.

Kev siv hluav taws xob DC siab ntxiv rau kev txias ua kua yog kev sib xyaw ua ke uas ua rau 600 kW txog 1 MW+ qhov chaw ua tau tiag tiag hauv ib kab txee, uas yog qhov chaw ua lag luam tab tom mus rau thaum 800 V tsheb thauj khoom thiab cov tsheb thauj neeg siab EV tuaj txog ntau heev.

Cov Qauv Uas Tsim Lub Xyoo Caum Tom Ntej

Lub neej yav tom ntej ntawm high-voltage tau raug codified los ntawm peb tsev neeg tus qauv, thiab cov lus qhia txog kev yuav khoom yuav tsum xa mus rau lawv meej meej:

Qhov kev sib koom ua ke ntawm ISO 15118-20 thiab MCS tseem ceeb vim nws ua kom cov txheej txheem ntaub ntawv rau cov kev sib tham megawatt: kev lees paub, kev ntsuas, thiab kev ntws hluav taws xob ob txoj kev tau sib tham hauv digital, uas yog qhov yuav tsum tau ua ua ntej rau ob qho tib si V2G cov nyiaj tau los thiab ntau lub chaw them hluav taws xob ntau MW. Lub sijhawm no, kev siv NACS hauv North America txhais tau tias cov khoom sib txuas yuav tsum npaj NACS rau ntawm cov khoom siv tshiab uas tsom mus rau Tebchaws Meskas, thaum CCS2 tseem yog European default - kev faib hauv cheeb tsam uas cov tsev neeg them hluav taws xob ntau tus qauv tswj hwm yam tsis tau tsim dua tshiab.

Kev Saib Xyuas Txog Kev Siv Tshuab: Yuav Muaj Dab Tsi Los Txog Xyoo 2028

Txoj kev mus los txij hnub no mus txog xyoo 2028 pom tseeb hauv cov ntawv qhia kev muag khoom thiab cov txheej txheem ua haujlwm:

Muaj ob qho kev npaj uas yuav tsum ua raws li. Ua ntej, cov khoom siv fais fab ntawm qhov chaw (transformers, switchgear, conduits) yuav tsum tau loj rau cov khoom siv hauv xyoo 2030, tsis yog cov khoom siv hauv xyoo 2026 - kev kho cov switchgear kim dua 3–5 npaug dua li kev loj dhau thaum tsim kho. Qhov thib ob, cov khoom siv roj teeb thiab lub charger yuav tsum tau xaiv los ntawm cov tsev neeg modular uas lees txais cov modules hluav taws xob siab dua thiab cov khoom siv txias uas siv dej, yog li qhov chaw khaws cia thiab cov khoom siv fais fab ntawm qhov chaw yuav hloov pauv nrog cov khoom siv hluav taws xob es tsis txhob hloov nrog nws.

Kev Txhim Kho Koj Txoj Kev Nqis Peev Yav Tom Ntej: Daim Ntawv Teev Npe

Cov neeg tsim khoom tuaj yeem xauv lub neej yav tom ntej ntawm high-voltage nrog tsib qhov kev txiav txim siab specification:

1. Qhia meej 1000 V DC chargers(ob-tus qauv CCS2/NACS lossis kev ua lag luam tsim nyog) rau txhua qhov chaw neeg caij tsheb thiab cov chaw thauj khoom tshiab. 2.Xaiv DC-coupled BESSnrog rau lub tsheb npav DC sib koom rau lub hnub ci, roj teeb, thiab cov chargers kom tau txais qhov zoo dua 5–10%. 3.Kev yuam kom cov modules fais fab thiab cov connectors txias nrog kuantawm txhua qhov chaw uas muaj zog tshaj 300 kW kom tsis txhob muaj kev hloov pauv ntawm lub caij ntuj sov. 4.Qhov loj ntawm cov khoom siv sab hauv tsev rau 1.5–2 × lub peev xwm pibkom nqus tau cov kev hloov kho megawatt yam tsis tas hloov cov switchgear. 5.Xaiv cov platform BESS modularuas cov hluav taws xob ntawm lub tsheb npav thiab cov thaiv fais fab tuaj yeem hloov kho kom haum rau 1500 V thiab MCS-chav tso zis.

Lub neej yav tom ntej ntawm kev them fais fab BESS DC uas muaj zog siab tsis yog kev kwv yees xwb; nws twb ntsuas tau hauv kev tso tawm lub platform tsheb, kev xa khoom ntawm lub charger, thiab cov txheej txheem ua haujlwm. Cov chaw tsim niaj hnub no ntawm 1000 V DC-coupled, kua-txias, modular platforms yuav yog cov uas tseem sib tw hauv xyoo 2030 - thiab cov uas khwv tau nyiaj los ntawm kev pabcuam grid thaum lub sijhawm seem ntawm kev ua lag luam rov tsim dua.

Cov Lus Nug Feem Ntau

1. Kev them nqi hluav taws xob siab BESS DC yog dab tsi?Nws yog ib lub qauv vaj tse uas lub roj teeb cia ua haujlwm ntawm lub tsheb npav DC siab (800–1500 V) uas pub ncaj qha rau DC chargers - feem ntau nrog DC-coupled solar - ua rau 350 kW rau megawatt them nrog tsawg dua qhov poob hloov pauv.

2. Vim li cas lub zog fais fab ntawm lub tsheb thiaj tseem ceeb rau kev them nqi hluav taws xob?Lub tsheb fais fab siab dua (800 V/1000 V) muab tib lub zog ntawm qhov tam sim no qis dua, txo qhov kub thiab kev poob; cov chargers yuav tsum phim lub tsheb lub zog kom tsis txhob poob qis lossis hloov pauv.

3. Qhov zoo ntawm DC-coupled BESS yog dab tsi?DC coupling tshem tawm ob theem hloov AC-DC, tsa lub kaw lus round-trip efficiency los ntawm kwv yees li 85–90% (AC-coupled) mus rau 92–95% (DC-coupled).

4. Vim li cas thiaj li yuav tsum tau siv cov kua txias rau kev them fais fab siab?Tshaj li ~ 300 kW, cua txias tsis tuaj yeem tuav tau tam sim no los ntawm cov cables thiab cov connectors; kua txias tshem tawm cua sov ntawm qhov chaw, ua rau 500–600 A tso zis txuas ntxiv yam tsis muaj derating.

5. MCS yog dab tsi, thiab nws yuav tseem ceeb thaum twg?Lub Megawatt Charging System (txog li 1250 A, 3.75 MW ib zaug) yog tus qauv CharIN/IEC rau kev them roj tsheb loj; nws hloov txoj kev loj los ntawm 350 kW mus rau megawatt-chav fais fab thaum cov tsheb fais fab loj tuaj.

6. Kuv puas yuav tsum yuav 1000 V lossis 1500 V BESS hnub no?Rau feem ntau qhov chaw them EV, lub kaw lus 1000 V pabcuam cov tsheb thauj khoom tam sim no thiab lub sijhawm luv luv; cov neeg ua haujlwm uas npaj cov khoom siv hauv thawv lossis cov tsheb thauj khoom yuav tsum txheeb xyuas txoj kev ntawm lub platform mus rau kev hloov kho tsheb npav 1500 V.

7. NACS lossis CCS2 puas yuav kav yav tom ntej?NACS yog tus qauv tseeb rau cov chaw tshiab hauv North America, thaum CCS2 yog tus thawj coj hauv Tebchaws Europe; cov chaw them hluav taws xob ntau tus qauv uas txhawb nqa ob qho tib si, ntxiv rau ISO 15118-20, yog qhov kev xaiv zoo rau cov neeg ua haujlwm thoob ntiaj teb.