Mtsogolo mwa Kuchaja kwa BESS DC kwa Mphamvu Yokwera

Yankho Lachangu:Kuchaja kwamphamvu kwa BESS DC kumatanthauza machitidwe omwe malo osungira mabatire amagwira ntchito pamabasi okwera a DC voltage — 800 V, 1000 V, ndi kupitirira mpaka 1500 V — kudyetsa mwachindunji ma charger amphamvu a DC, nthawi zambiri okhala ndi DC-coupled solar input, kuti apereke nsanja zamagalimoto a 800 V ndi 1000 V pa 350–600 kW ndi kupitirira apo. Kusintha kwaukadaulo uku kukuchitika chifukwa cha mphamvu zitatu: kapangidwe ka magalimoto kusuntha kuchokera ku 400 V kupita ku 800 V/1000 V (kulola kuti 10–80% iyambe kugwira ntchito mkati mwa mphindi 15), phindu la DC coupling (kuchotsa magawo awiri osinthira AC-DC ndikukweza magwiridwe antchito obwerera mpaka 95%+, ndi zida zochaja zoziziritsidwa ndi madzi zomwe zimasunga mafunde a 500 A+ mosalekeza. Pofika chaka cha 2028, ma charger ambiri atsopano a road class adzamangidwa pa nsanja za BESS za 1000 V DC, ndipo ma megawatt a magalimoto akuluakulu (MCS) adzakwera kufika pa 1250 A ndi 3.75 MW pa gawo lililonse.

Mfundo Zofunika Kwambiri:

• Mapulatifomu a magalimoto akusamuka kuchoka pa 400 V kupita ku 800 V/1000 V, ndipo ma charger ayenera kufanana ndi magetsi kuti apewe kusokonekera ndi zilango zolipirira liwiro lochaja.
• Kapangidwe ka BESS kolumikizidwa ndi DC kamachotsa magawo awiri osinthira, kukweza magwiridwe antchito a makina kufika pa 95%+ ndikuchepetsa kutayika kwa kutentha ndi mphamvu pamalo amisewu.
• Kuziziritsa madzi ndikofunikira kuposa 300 kW: kumathandizira mphamvu yamagetsi yopitilira 500 A+ kudzera m'malumikizidwe ndi zingwe zomwe kuziziritsa mpweya sikungathe kuzilamulira.
• Miyezo ikuphatikizidwa mozungulira ISO 15118-20 (yoyang'anira mbali ziwiri ndi Pulagi & Charge), kukhazikitsidwa kwa NACS ku North America, ndi MCS pakuchaja magalimoto akuluakulu.
• Kapangidwe ka malo oti azitha kugwiritsidwa ntchito mtsogolo kumatanthauza kumanga mabasi a 1000 V DC, zida zoziziritsidwa ndi madzi, ndi ma modular power blocks omwe angakule kufika pa megawatt output.

Mpikisano wa Voltage: Kuyambira pa 400 V mpaka 1000 V+ Mapulatifomu a Magalimoto

Batire ya galimoto iliyonse ili ndi mphamvu yamagetsi yomwe imazindikira mphamvu yamagetsi yomwe imafunika pa mphamvu yochajira. Pa 400 V, mphamvu yamagetsi ya 350 kW imafuna pafupifupi 875 A - mphamvu yamagetsi yomwe imapangitsa kutentha kwa conductor ndi kuwonongeka kwa cholumikizira kukhala kwakukulu. Pa 800 V, mphamvu yomweyi imangofunika ~440 A, ndipo pa 1000 V yokha ~350 A. Kuwerengera uku ndi chifukwa chake pafupifupi OEM iliyonse yayikulu idayambitsa nsanja za 800 V pakati pa 2021 ndi 2025 (ndi zingapo zomwe zalengeza zomangamanga za 900–1000 V), ndipo chifukwa chake zomangamanga zochajira ziyenera kufanana: chochaji cha 400 V chomwe chimapereka ku galimoto ya 800 V chimasokoneza kapena kufunikira kusintha kwa DC-DC, zomwe zimataya liwiro ndi magwiridwe antchito.

Kwa opanga malo, tanthauzo lenileni ndilakuti malo atsopano ayenera kufotokozedwa kuti azitha kutulutsa mphamvu ya 1000 V kuyambira tsiku loyamba. Ma charger omwe ali ndi mphamvu ya 1000 V amatumikira magalimoto onse osakanikirana — magalimoto a 400 V, 800 V, ndi 1000 V — pogwirizanitsa mphamvu yamagetsi ya gawo lililonse motsatira ISO 15118, pomwe zida zakale za 500 V-rated zimakhala zitasowa pamene magalimotowo akusunthira mmwamba.

Chifukwa Chake BESS Yokhala ndi Mphamvu Yambiri Imasintha Equation Yopangira Malo

Basi ya BESS yokhala ndi mphamvu zambiri si batire yaikulu chabe; imasintha kapangidwe ka magetsi ka malowa. Malo akale amasintha mphamvu ya AC grid kukhala DC pa charger, zomwe zimawononga 3–6% pa conversion iliyonse ndikuwonjezera kulumikizidwa kwa grid. Mu kapangidwe ka DC-coupled yokhala ndi mphamvu zambiri, batire ndi solar array zimapatsa basi ya 1000 V DC yogawana, ndipo ma charger amakoka DC mwachindunji - kuchotsa magawo awiri a conversion (AC-DC kumbali ya solar ndi njira ya grid-to-charger). Zotsatira zomwe zimayesedwa ndi mphamvu yobwerera ndi 92–95% poyerekeza ndi 85–90% ya ma AC-coupled equivalents, kuphatikiza kukula kochepa kwa transformer ndi switchgear ya mphamvu yomweyo yoperekedwa.

Mabasi amphamvu kwambiri amachepetsanso ma conductor ndi kutayika molingana ndi magetsi. Basi ya 1500 V DC imakhala ndi mphamvu yofanana ndi ya basi ya 1000 V, zomwe zimapangitsa kuti chingwe chiziyenda nthawi yayitali pakati pa mabatire ogawidwa ndi ma charger - mwayi waukulu kwa malo akuluakulu omwe makabati a batri amakhala pamtunda wa mamita 50-100 kuchokera ku ma charging pads. Ichi ndichifukwa chake 1500 V-class BESS ikukhala yodziwika bwino posungira zinthu zomwe zili m'mabotolo ndipo chifukwa chake pamwamba pa mzere wazinthu za MIDA - [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/) kuyambira 360 kW mpaka 1680 kW - imagwiritsa ntchito kugawa kwa DC kwamphamvu kwambiri kuti iwonjezere mphamvu popanda kuchulukitsa mkuwa wa chingwe.

Mapangidwe a DC-Coupled: Kuchepetsa Kutayika pa Gwero

Kulumikizana kwa DC kumatanthauza gulu la photovoltaic (ngati lilipo), batire, ndi ma charger onse amalumikizana ndi basi ya DC yodziwika bwino, ndi chosinthira chimodzi cha AC-DC cholumikizidwa ndi gridi chomwe chimayang'anira kusinthana kwa intaneti kwa tsamba lino ndi ntchitoyo. Kapangidwe kake kamapereka zabwino zitatu zophatikizana:

1. Kugwiritsa ntchito kwambiri dzuwa.Mphamvu ya PV imapita mwachindunji ku batire kapena magalimoto popanda kusintha kwapakati, kotero malo osungira magetsi a solar-plus-off-grid amagwira ntchito ndi ~95% ya mphamvu ya panel yomwe imaperekedwa kuti igwire ntchito yothandiza. 2.Ndalama zochepa zofunira.Kulowetsa kwa AC pamalopo kumakonzedwa bwino ndi batire, ndipo basi ya DC imachotsa kusagwirizana pakati pa kupanga kwa dzuwa, momwe batire ilili, ndi kuchuluka kwa mphamvu yochajira. 3.Zamagetsi zamagetsi zosavuta.Magawo ochepa osinthira magetsi amatanthauza malo ochepa olephera, kuzizira pang'ono, komanso kuchepa kwa malo pa kilowati iliyonse yoyikidwa.

MIDA's [malo osungira mphamvu ophatikizidwa](https://www.midapower.com/energy-storage-charging-station) — kuchokera ku [200 kWh/120 kW off-grid solar MPPT units](https://www.midapower.com/200kwh-120kw-mobile-ev-charger-off-grid-solar-mppt-dc-fast-charging-station-product/) kupita ku [482 kWh/320 kW](https://www.midapower.com/320kw-482kwh-bess-charger-mobile-ev-charging-station-energy-storage-system-product/) ndi ma configurations a 625 kWh/400 kW — amagwiritsa ntchito topology iyi ya DC-coupled. MPPT solar input ndi batri zimagawana DC bus ndi charger power stack, ndichifukwa chake makina awa amatha kugwira ntchito bwino popanda grid pomwe akuperekabe ntchito yonse yofulumira yochaja.

Kuziziritsa Madzi: Chothandizira Kuchaja Magulu a Megawatt

Kuchuluka kwa magetsi ndi khoma lenileni lomwe mphamvu yamagetsi imagunda. Zolumikizira ndi zingwe zoziziritsidwa ndi mpweya zimakhala ndi malire a pafupifupi 250–350 A kutentha ndi kulemera kwa chingwe kusanayambe kulamulirika; pamwamba pa izi, cholumikiziracho chimafika pamlingo wa kutentha mkati mwa mphindi zochepa ndipo chiyenera kutha. Kuziziritsa kwamadzimadzi kumasintha equation pozungulira choziziritsira kudzera mu jekete la chingwe ndi thupi la cholumikizira, kuchotsa kutentha komwe kumachokera. Machitidwe ochapira oziziritsidwa ndi madzi amasunga 500–600 A mosalekeza, ndipo zolumikizira za MCS zimayang'ana 1250 A.

Zotsatira zake pa kapangidwe ka siteshoni ndi kapangidwe kake:

• Mphamvu yolimba yokhazikika popanda kunyoza.Siteshoni yoziziritsidwa ndi madzi ya 600–1080 kW imatha kupereka mphamvu zonse nthawi zonse m'nyengo yotentha yachilimwe, pomwe mphamvu zofanana ndi zoziziritsidwa ndi mpweya zimachepa ndi 20–40%.
• Zingwe zopyapyala komanso zopepuka.Chingwe choziziritsidwa ndi madzi cha A 500 chimalemera pafupifupi theka la chofanana ndi choziziritsidwa ndi mpweya pamlingo womwewo, zomwe zimapangitsa kuti oyendetsa magalimoto azikhala bwino - chinthu chomwe chimagwiritsidwa ntchito kwambiri m'magalimoto ndi m'misewu.
• Ma module amphamvu oziziritsidwa ndi madzi.Ma module osinthira magetsi okha (40–125 kW) amaziziritsidwa ndi madzi, zomwe zimathandiza kuti ma module akhale ndi kuchuluka kwakukulu komwe makabati a megawatt amafunikira. Ma MIDA's 40 kW/60 kW/75 kW/125 kW [ma module amphamvu oziziritsidwa ndi madzi](https://www.midapower.com/40kw-dc-bus-input-1000v-dc-dc-ev-charging-module-liquid-cooled-power-module-product/) amayendetsa pamwamba pa portfolio yolipirira magetsi.

Kusakaniza kwa DC yokhala ndi mphamvu yamagetsi yamphamvu komanso kuzizira kwamadzimadzi ndiko komwe kumapangitsa kuti malo okhala ndi mphamvu ya 600 kW mpaka 1 MW+ athe kufikika mosavuta mu mzere umodzi wa kabati, komwe ndi komwe msika ukupita pamene magalimoto akuluakulu a 800 V ndi magalimoto apamwamba a EV akufika pamlingo waukulu.

Miyezo Yopanga Zaka Khumi Zikubwerazi

Tsogolo la magetsi amphamvu likukonzedwa ndi mabanja atatu okhazikika, ndipo zofunikira pakugula ziyenera kuzitchula momveka bwino:

Kugwirizana kwa ISO 15118-20 ndi MCS n'kofunika chifukwa kumakhazikitsa deta ya magawo a megawatt: kutsimikizira, kuyeza, ndi kuyenda kwa mphamvu m'njira ziwiri kumakambidwa pa digito, zomwe ndizofunikira kuti V2G ipeze ndalama komanso malo ochapira magalimoto ambiri a MW. Kukhazikitsidwa kwa NACS ku North America, pakadali pano, kumatanthauza kuti zolumikizira ziyenera kukhala zokonzeka ku NACS pa zida zatsopano zomwe zimayang'aniridwa ku US, pomwe CCS2 ikadali yokhazikika ku Europe - kugawanika kwa madera komwe mabanja ochapira magalimoto ambiri amasamalira popanda kusintha kapangidwe kake.

Chiyembekezo cha Ukadaulo: Zimene Zidzachitike Pofika mu 2028

Njira yoyambira lero mpaka 2028 ikuwoneka m'mapu a ogulitsa ndi njira zogwirira ntchito:

Zotsatira ziwiri zokonzekera zikutsatira. Choyamba, zomangamanga zamagetsi pamalopo (ma transformer, switchgear, ma conduits) ziyenera kukhala zazikulu za gulu lankhondo la 2030, osati gulu lankhondo la 2026 — chosinthira ma switchgear chimakhala chokwera mtengo ndi 3-5 × kuposa kukula kwakukulu pakumanga. Chachiwiri, zida za batri ndi chaja ziyenera kusankhidwa kuchokera m'mabanja omwe amavomereza ma module amphamvu komanso zosintha zoziziritsidwa ndi madzi, kuti malo osungira ndi magetsi a malowo azisintha ndi gulu lankhondo m'malo mosinthidwa ndi gulu lankhondo.

Kutsimikizira Ndalama Zanu Zamtsogolo: Mndandanda Wowunika

Opanga mapulogalamu amatha kutseka tsogolo lamagetsi amphamvu pogwiritsa ntchito zisankho zisanu:

1. Tchulani ma charger a 1000 V DC(CCS2/NACS yokhazikika kawiri kapena yoyenera msika) ya malo onse atsopano okwera ndi magalimoto. 2.Sankhani DC-coupled BESSndi basi ya DC yogawana ya dzuwa, batire, ndi ma charger kuti ipeze phindu la 5–10%. 3.Ma modules amagetsi ndi zolumikizira zoziziritsidwa ndi madzipamalo aliwonse opitilira 300 kW kuti apewe kuwonongeka kwa chilimwe. 4.Kukula kwa gridi kumbali ya kukula kwa mphamvu yoyambira ya 1.5–2×kuyamwa ma megawatt atsopano popanda kusintha switchgear. 5.Sankhani nsanja za BESS zokhazikikamphamvu ya mabasi ndi ma block a magetsi omwe angathe kukwezedwa kuti afike pa 1500 V ndi mphamvu ya MCS-class output.

Mawonekedwe amtsogolo a BESS DC charging yokhala ndi mphamvu zambiri si ongoyerekeza; amatha kuyesedwa kale mu kuyambitsidwa kwa nsanja zamagalimoto, kutumiza ma charger, ndi njira zogwirira ntchito zokhazikika. Masamba omwe adapangidwa lero pa nsanja za 1000 V DC zolumikizidwa, zoziziritsidwa ndi madzi, ndi omwe adzapikisanebe mu 2030 - ndipo omwe amapeza ndalama zogwirira ntchito ya grid pomwe msika wonse ukumangidwanso.

FAQ

1. Kodi kuyatsa kwa BESS DC kwamphamvu kwambiri n'chiyani?Ndi kapangidwe kake komwe malo osungira mabatire amagwira ntchito pa basi ya DC yokhala ndi mphamvu zambiri (800–1500 V) yomwe imapatsa mwachindunji ma charger a DC — nthawi zambiri okhala ndi mphamvu ya dzuwa yolumikizidwa ndi DC — zomwe zimapangitsa kuti 350 kW ku megawatt iyambe kuyitanitsa ndi kutayika kochepa kwa kusintha.

2. N’chifukwa chiyani magetsi a galimoto ndi ofunika pa ntchito yochaja?Mphamvu yamagetsi ya galimoto (800 V/1000 V) imapereka mphamvu yomweyo pa mphamvu yamagetsi yotsika, zomwe zimachepetsa kutentha ndi kutayika; ma charger ayenera kufanana ndi mphamvu ya galimotoyo kuti apewe kutayika kapena kutayika kwa magetsi.

3. Kodi ubwino wa DC-coupled BESS ndi wotani?Kulumikiza kwa DC kumachotsa magawo awiri osinthira a AC-DC, kukweza makina obwerera ndi kubwerera kuchokera pa 85-90% (AC-coupled) mpaka 92-95% (DC-coupled).

4. N’chifukwa chiyani kuziziritsa madzi n’kofunika kuti pakhale mphamvu zambiri?Kuzizira kwa mpweya kopitirira ~300 kW sikungathe kupirira mphamvu yamagetsi kudzera mu zingwe ndi zolumikizira; kuzizira kwamadzimadzi kumachotsa kutentha komwe kumachokera, zomwe zimapangitsa kuti mphamvu ya 500–600 A ikhale yopitilira popanda kusokoneza.

5. Kodi MCS n’chiyani, ndipo idzakhala yofunika liti?Dongosolo Lochaja la Megawatt (mpaka 1250 A, 3.75 MW pa session) ndiye muyezo wa CharIN/IEC wochaja magalimoto akuluakulu; limasintha makonde amisewu kuchoka pa 350 kW kupita ku mphamvu ya megawatt-class pamene magalimoto amagetsi akuchulukirachulukira.

6. Kodi ndiyenera kugula 1000 V kapena 1500 V BESS lero?Pa malo ambiri ochapira magalimoto a EV, makina a 1000 V amatumikira magalimoto amakono komanso aposachedwa; ogwira ntchito omwe akukonzekera zomangamanga zamakontena kapena magalimoto akuluakulu ayenera kutsimikizira njira yopitira ku kukweza mabasi a 1500 V.

7. Kodi NACS kapena CCS2 zidzalamulira mtsogolo?NACS ndiye muyezo weniweni wa malo atsopano aku North America, pomwe CCS2 ndiyo ikutsogolera ku Europe; ma charger amitundu yosiyanasiyana omwe amathandizira zonse ziwiri, kuphatikiza ISO 15118-20, ndiye chisankho chotetezeka kwa ogwiritsa ntchito padziko lonse lapansi.