Isimo Sesikhathi Esizayo Sokushaja Okunamandla Kakhulu kwe-BESS DC

Impendulo Esheshayo:Ukushaja kwe-BESS DC okunamandla aphezulu kubhekisela ezinhlelweni lapho isitoreji sebhethri sisebenza khona emabhasini aphezulu e-DC voltage — 800 V, 1000 V, nangaphezulu kuya ku-1500 V — okunikeza ngqo amashaja e-DC anamandla aphezulu, ngokuvamile anokufakwa kwelanga okuhlanganisiwe kwe-DC, ukuze kusetshenziswe amapulatifomu ezimoto angu-800 V kanye no-1000 V ku-350–600 kW nangaphezulu. Ushintsho lobuchwepheshe luqhutshwa amandla amathathu: ukwakheka kwezimoto okusuka ku-400 V kuya ku-800 V/1000 V (okuvumela ukushaja okungu-10–80% ngaphansi kwemizuzu eyi-15), izinzuzo zokusebenza kahle zokuxhuma kwe-DC (ukususa izigaba ezimbili zokuguqulwa kwe-AC-DC kanye nokuphakamisa ukusebenza kahle kokubuyela emuva kuya ku-95%+), kanye nehadiwe yokushaja epholile ngoketshezi esekela amaza angu-500 A+ ngokuqhubekayo. Ngo-2028, amashaja amaningi amasha ekilasi lomgwaqo omkhulu azokwakhiwa kumapulatifomu e-BESS angu-1000 V DC ahlanganiswe ne-BESS, lapho ama-megawatt eshaja amaloli (i-MCS) eqhubekela ku-1250 A kanye no-3.75 MW ngeseshini ngayinye.

Izinto Ezibalulekile Okufanele Uzicabangele:

• Amapulatifomu ezimoto asuka ku-400 V aye ku-800 V/1000 V, futhi amashaja kumele afane ne-voltage ukuze agweme ukuwohloka kanye nezijeziso zesivinini sokushaja.
• Ukwakhiwa kwe-BESS okuhlanganiswe yi-DC kususa izigaba ezimbili zokuguqulwa, kuphakamisa ukusebenza kahle kohlelo ku-95%+ futhi kunciphisa ukulahleka kokushisa namandla ezindaweni zomgwaqo omkhulu.
• Ukupholisa uketshezi kuyimpoqo ngaphezu kwama-kW angu-300: kusekela ugesi oqhubekayo ongu-500 A+ ngokusebenzisa izixhumi nezintambo ukupholisa komoya okungenakukwazi ukuzilawula.
• Izindinganiso zihlanganiswa eduze kwe-ISO 15118-20 (izindlela ezimbili kanye ne-Plug & Charge), ukwamukelwa kwe-NACS eNyakatho Melika, kanye ne-MCS yokushaja amaloli amakhulu.
• Ukwakhiwa kwendawo evikela ikusasa kusho ukwakha amabhasi angu-1000 V DC, ihadiwe epholiswe uketshezi, kanye namabhulokhi kagesi aguquguqukayo angakhula abe yi-megawatt.

Umjaho We-Voltage: Kusukela Kumapulatifomu Ezimoto angu-400 V kuya ku-1000 V+

Ibhethri ngalinye lemoto line-voltage ejwayelekile enquma amandla okushaja adingekayo. Ku-400 V, ukuletha amandla angu-350 kW kudinga cishe u-875 A — ugesi okhiqiza ukushisa okukhulu kwe-conductor kanye nokuguguleka kwesixhumi. Ku-800 V, amandla afanayo adinga kuphela u-~440 A, kanti ku-1000 V kuphela u-~350 A. Lokhu kubala yingakho cishe wonke ama-OEM amakhulu ethule amapulatifomu angu-800 V phakathi kuka-2021 no-2025 (enezinhlobo eziningana ezimemezela ukwakheka okungu-900–1000 V), nokuthi kungani ingqalasizinda yokushaja kufanele ifane: ishaja engu-400 V-class eletha emotweni engu-800 V iphazamisa noma idinga ukuguqulwa kwe-DC-DC, ilahlekelwa isivinini kanye nokusebenza kahle.

Kubathuthukisi besayithi, umphumela ongokoqobo ukuthi ukufakwa okusha kufanele kuchazwe kokukhipha okungu-1000 V kusukela ngosuku lokuqala. Amashaja alinganiselwe ku-1000 V akhonza izimoto ezixubile eziphelele — izimoto ezingu-400 V, 800 V, kanye nezimoto ezingu-1000 V — ngokuxoxisana nge-voltage yeseshini ngokwe-ISO 15118, kuyilapho ihadiwe elidala elilinganiselwe ku-500 V libambekile njengoba izimoto zithuthela phezulu.

Kungani i-BESS Enamandla Aphezulu Ishintsha I-Site Design Equation

Ibhasi le-BESS elinamandla aphezulu aliyona nje ibhethri elikhulu; lishintsha ukwakheka kukagesi kwendawo. Izindawo zendabuko ziguqula amandla egridi ye-AC abe yi-DC kushaja, zichitha u-3-6% ngokuguqulwa ngakunye futhi zithwalise umthwalo uxhumano lwegridi. Ekwakhiweni okuhlanganiswe yi-DC okunamandla aphezulu, ibhethri kanye ne-solar array zondla ibhasi le-V DC elihlanganyelwe elingu-1000, futhi amashaja adonsela i-DC ngqo - aqeda izigaba ezimbili zokuguqulwa okugcwele (i-AC-DC ohlangothini lwelanga kanye nendlela yegridi-kuya-kushaja). Umphumela olinganisiwe ukusebenza kahle kohambo oluya nokubuya okungu-92-95% uma kuqhathaniswa no-85-90% wezinto ezifanayo ezihlanganiswe yi-AC, kanye nosayizi we-transformer kanye ne-switchgear oncishisiwe wamandla afanayo alethwayo.

Amabhasi ane-voltage ephezulu nawo anciphisa ama-conductor futhi alahlekelwe ngokulingana ne-voltage. Ibhasi le-1500 V DC linamandla afanayo ngamabili kwezintathu zamandla ebhasi le-1000 V, okuvumela ukuhamba kwekhebula okude phakathi kwamabhulokhi ebhethri asakazwe kanye namashaja - inzuzo eyinhloko yezindawo zomgwaqo lapho amakhabethe ebhethri ahlala amamitha angu-50-100 ukusuka kuma-pads okushaja. Yingakho i-BESS ye-1500 V-class iba yinto ejwayelekile endaweni yokugcina equkethe amabhodlela futhi kungani ingxenye ephezulu yomugqa womkhiqizo we-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/) kusuka ku-360 kW kuya ku-1680 kW - isebenzisa ukusatshalaliswa kwe-DC ene-voltage ephezulu ukukhulisa amandla ngaphandle kokuphindaphinda ithusi lekhebula.

Ukwakhiwa Okuhlanganisiwe Kwe-DC: Ukunciphisa Ukulahlekelwa Emthonjeni

Ukuxhumanisa kwe-DC kusho i-photovoltaic array (uma ikhona), ibhethri, kanye namashaja konke kuxhuma kubhasi elivamile le-DC, kanye nesiguquli se-AC-DC esiboshwe ngegridi esisodwa esilawula ukushintshana kwenethi kwesayithi kanye nohlelo lokusebenza. Ukwakhiwa kuletha izinzuzo ezintathu ezihlanganisiwe:

1. Ukusetshenziswa kakhulu kwelanga.Amandla e-PV aya ngqo ebhethrini noma ezimotweni ngaphandle kokuguqulwa okuphakathi, ngakho-ke iziteshi zokugcina amandla elanga kanye ne-solar ezingaphandle kwegridi zisebenza ngo-~95% wamandla ephaneli alethwa emsebenzini owusizo. 2.Izindleko eziphansi zesidingo.Ukungenisa kwesayithi ohlangothini lwe-AC kushelela yibhethri, futhi ibhasi le-DC limunca ukungalingani phakathi kokukhiqizwa kwelanga, isimo sebhethri, kanye nomthwalo wokushaja. 3.Ama-elekthronikhi anamandla alula.Izigaba ezimbalwa zokuguqula zisho amaphuzu ambalwa okwehluleka, imithwalo ephansi yokupholisa, kanye nomkhawulo omncane we-kilowatt ngayinye efakiwe.

I-MIDA's [iziteshi zokushaja ezihlanganisiwe zokugcina amandla](https://www.midapower.com/energy-storage-charging-station) — kusukela 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/) kuya ku-[482 kWh/320 kW](https://www.midapower.com/320kw-482kwh-bess-charger-mobile-ev-charging-station-energy-storage-system-product/) kanye nokulungiselelwa okungu-625 kWh/400 kW — kusebenzisa kahle le topology ehlanganisiwe ye-DC. Okokufaka kwelanga kwe-MPPT kanye nebhethri kwabelana ngebhasi le-DC ne-charger power stack, yingakho lezi zinhlelo zingasebenza ngokuphelele ngaphandle kwegridi ngenkathi zisanikeza ukusebenza okugcwele kokushaja okusheshayo.

Ukupholisa Uketshezi: Ukunika Amandla Ukushaja Kwesigaba Se-Megawatt

Ubuningi bamanje ludonga olungokoqobo olushaywa ukushaja ngamandla aphezulu. Izixhumi nezintambo ezipholiswe ngomoya zikhawulelwe cishe ku-250–350 A ngaphambi kokuba isisindo sokushisa nesekhebula singalawuleki; ngaphezu kwalokho, isixhumi sifinyelela imikhawulo yokushisa ngemizuzu embalwa futhi kumele sishintshe. Ukupholisa koketshezi kushintsha i-equation ngokujikeleza isifudumezi ngejakethi yekhebula nomzimba wesixhumi, kususa ukushisa emthonjeni. Izinhlelo zokushaja ezipholiswe ngoketshezi zigcina u-500–600 A njalo, kanti izixhumi ze-MCS ziqondise ku-1250 A.

Imiphumela yokwakhiwa kwesiteshi imayelana nesakhiwo:

• Amandla aphezulu aqhubekayo ngaphandle kokucasula.Isiteshi sikagesi esingu-600–1080 kW esipholile ngoketshezi singanikeza amandla aphelele ngezikhathi ezilandelanayo ekushiseni kwehlobo, lapho amandla alinganayo apholile ngomoya ehla ngo-20–40%.
• Izintambo ezincane nezilula.Ikhebula elipholiswe ngoketshezi elingu-500 linesisindo esingaba uhhafu wesilinganiso esipholiswe ngomoya ngesilinganiso esifanayo, okuthuthukisa i-ergonomics yabashayeli — into yangempela yokwamukelwa kwezimoto ezisetshenziswa nsuku zonke kanye nezindawo zemigwaqo emikhulu.
• Amamojula wamandla apholile ngoketshezi.Amamojula okuguqula ngokwawo (isigaba sama-40–125 kW) apholiswa ngoketshezi, okwenza kube nobuningi obukhulu bemojula obudingwa amakhabethe ekilasi lama-megawatt. Amamojula wamandla e-MIDA angu-40 kW/60 kW/75 kW/125 kW [amamojula wamandla apholile ngoketshezi](https://www.midapower.com/40kw-dc-bus-input-1000v-dc-dc-ev-charging-module-liquid-cooled-power-module-product/) anika amandla phezulu kwephothifoliyo yokushaja.

I-DC enamandla aphezulu kanye nokupholisa uketshezi kuyinhlanganisela eyenza izindawo ezingama-600 kW kuya ku-1 MW+ zibonakale ngokoqobo emgqeni owodwa wekhabethe, okuyilapho kanye imakethe iya khona njengoba amaloli angu-800 V kanye nama-EV abagibeli abasezingeni eliphezulu efika ngobuningi.

Izindinganiso Ezibumba Iminyaka Eyishumi Ezayo

Ikusasa elinamandla aphezulu lihlelwa yimindeni emithathu ejwayelekile, futhi imininingwane yokuthengwa kufanele ibhekisele kuyo ngokucacile:

Ukuhlangana kwe-ISO 15118-20 kanye ne-MCS kubalulekile ngoba kuqinisekisa ungqimba lwedatha lwezikhathi ze-megawatt: ukuqinisekiswa, ukulinganisa, kanye nokugeleza kwamandla okubili kuxoxiswana ngakho ngedijithali, okuyisidingo semali engenayo ye-V2G kanye nama-hub okushaja amaloli amaningi e-MW. Ukwamukelwa kwe-NACS eNyakatho Melika, okwamanje, kusho ukuthi izixhumi kumele zilungele i-NACS kuhadiwe entsha eqondiswe e-US, kuyilapho i-CCS2 isalokhu iyi-European default - ukuhlukaniswa kwesifunda okuphathwa yimindeni yokushaja ejwayelekile, esezingeni eliphezulu ngaphandle kokuklanywa kabusha.

Umbono Wezobuchwepheshe: Okufikayo ngo-2028

Indlela kusukela namuhla kuya ku-2028 ibonakala kumamephu omgwaqo wabathengisi kanye nezindlela zokusebenza ezijwayelekile:

Kulandela imiphumela emibili yokuhlela. Okokuqala, ingqalasizinda yamandla esayithi (ama-transformer, ama-switchgear, ama-conduit) kufanele ibe nosayizi wemikhumbi ka-2030, hhayi imikhumbi ka-2026 — i-switchgear yokulungisa kabusha ibiza kakhulu ngo-3-5× kunosayizi omkhulu kakhulu ekwakhiweni. Okwesibili, ihadiwe yebhethri neshaja kufanele ikhethwe emindenini ehlukahlukene eyamukela amamojula ane-voltage ephezulu kanye nokuthuthukiswa okupholisiwe ngoketshezi endaweni, ukuze isitoreji sendawo kanye ne-power stack kuguquke kanye nemikhumbi kunokuba kuthathelwe indawo yiyo.

Ukuqinisekisa Ukutshalwa Kwezimali Kwakho Kwesikhathi Esizayo: Uhlu Lokuhlola

Abathuthukisi bangakwazi ukukhiya ikusasa elinamandla aphezulu ngezinqumo ezinhlanu zokucaciswa:

1. Cacisa amashaja e-V DC angu-1000(i-CCS2/NACS ejwayelekile kabili noma efanele imakethe) yazo zonke izindawo ezintsha zabagibeli nezindawo zemikhumbi. 2.Khetha i-BESS ehlanganiswe yi-DCngebhasi le-DC elihlanganyelwe lelanga, ibhethri, kanye namashaja ukuze kutholakale inzuzo yokusebenza kahle engu-5–10%. 3.Amamojula kagesi apholile ngoketshezi kanye nezixhumi ezidingekayokunoma iyiphi indawo enamandla angaphezu kuka-300 kW ukuze kugwenywe ukuwohloka kwehlobo. 4.Ingqalasizinda eseceleni kwegridi yosayizi yomthamo wokuqala ongu-1.5–2×ukumunca ukuthuthukiswa kwe-megawatt ngaphandle kokushintsha i-switchgear. 5.Khetha amapulatifomu e-BESS asezingeni eliphakathiamandla ayo ebhasi kanye namabhulokhi kagesi angathuthukiswa endaweni yawo afinyelele ku-1500 V kanye nomphumela we-MCS-class.

Isimo sesikhathi esizayo sokushaja kwe-BESS DC okunamandla aphezulu asikona ukuqagela; sesivele silinganiswa ekuqalisweni kwepulatifomu yezimoto, ukuthunyelwa kweshaja, kanye nezindlela zokusebenza ezijwayelekile. Izindawo eziklanywe namuhla kumapulatifomu e-modular angu-1000 V DC ahlanganiswe, apholiswe uketshezi, yizo ezisancintisana ngo-2030 - kanye nalezo ezithola imali engenayo yesevisi yegridi ngenkathi yonke imakethe isakhiwa kabusha.

Imibuzo Evame Ukubuzwa

1. Kuyini ukushaja kwe-BESS DC okunamandla aphezulu?Kuyisakhiwo lapho isitoreji sebhethri sisebenza khona ebhasini le-DC elinamandla aphezulu (800–1500 V) eliphakela ngqo amashaja e-DC — ngokuvamile ane-DC-coupled solar — okwenza ukushaja okungu-350 kW kuya ku-megawatt kube nokulahlekelwa okuncane kokuguqulwa.

2. Kungani i-voltage yemoto ibalulekile engqalasizinda yokushaja?I-voltage ephezulu yemoto (800 V/1000 V) inikeza amandla afanayo kumandla aphansi, okunciphisa ukushisa nokulahlekelwa; amashaja kumele afane ne-voltage yemoto ukuze agweme ukulahlekelwa yi-due noma ukuguqulwa.

3. Iyini inzuzo yokusebenza kahle kwe-DC-coupled BESS?Ukuxhumanisa kwe-DC kuqeda izigaba ezimbili zokuguqulwa kwe-AC-DC, ukusebenza kahle kokuphakamisa uhlelo lokuya nokubuya kusuka cishe ku-85-90% (okuhlanganiswe yi-AC) kuya ku-92-95% (okuhlanganiswe yi-DC).

4. Kungani ukupholisa uketshezi kuyadingeka ukuze kushajwe amandla aphezulu?Ngaphezu kuka-300 kW, ukupholisa umoya akukwazi ukusekela ugesi ngokusebenzisa izintambo nezixhumi; ukupholisa uketshezi kususa ukushisa emthonjeni, okuvumela ukuphuma okuqhubekayo okungu-500–600 A ngaphandle kokuphazamisa.

5. Iyini i-MCS, futhi izobaluleke nini?Uhlelo Lokushaja lweMegawatt (kufika ku-1250 A, 3.75 MW ngeseshini) luyindinganiso yeCharIN/IEC yokushaja amaloli amakhulu; lushintsha imigwaqo emikhulu kusuka ku-350 kW kuya kumandla ekilasi le-megawatt njengoba amaloli kagesi ekhula.

6. Ingabe kufanele ngithenge i-1000 V noma i-1500 V BESS namuhla?Ezindaweni eziningi zokushaja i-EV, uhlelo lwe-1000 V lusebenzela izimoto zamanje nezesikhathi esiseduze; abaqhubi abahlela ingqalasizinda enamakhonteyina noma yamaloli kufanele baqinisekise indlela yesikhulumi eya ekuthuthukisweni kwamabhasi e-1500 V.

7. Ingabe i-NACS noma i-CCS2 zizobusa esikhathini esizayo?I-NACS iyindinganiso yangempela yamasayithi amasha aseNyakatho Melika, kuyilapho i-CCS2 ibusa iYurophu; amashaja asezingeni eliphezulu asekela kokubili, kanye ne-ISO 15118-20, ayisinqumo esiphephile sabaqhubi bomhlaba wonke.