Imeko Yekamva Yokutshaja Okuphezulu Kwe-BESS DC

Impendulo ekhawulezileyo:Ukutshaja kwe-BESS DC okunamandla aphezulu kubhekisa kwiinkqubo apho ukugcinwa kwebhetri kusebenza kwiibhasi ze-DC voltage eziphakamileyo — 800 V, 1000 V, nangaphezulu ukuya kwi-1500 V — ukondla ngokuthe ngqo iitshaja ze-DC ezinamandla aphezulu, ezidla ngokuba ne-DC-coupled solar input, ukuze zikhonze iiplatifomu zezithuthi ze-800 V kunye ne-1000 V kwi-350–600 kW nangaphezulu. Utshintsho lobuchwepheshe luqhutywa ngamandla amathathu: uyilo lwezithuthi oluhamba ukusuka kwi-400 V ukuya kwi-800 V/1000 V (okuvumela ukutshaja kwe-10–80% ngaphantsi kwemizuzu eli-15), inzuzo yokusebenza kakuhle kwe-DC coupling (ukususa amanqanaba amabini okuguqulwa kwe-AC-DC kunye nokuphakamisa ukusebenza kakuhle kokujikeleza ukuya kwi-95%+), kunye nezixhobo zokutshaja ezipholileyo zolwelo ezigcina i-500 A+ currents rhoqo. Ngowama-2028, uninzi lweetshaja ezintsha zodidi lwendlela ziya kwakhiwa kwiiplatifomu zeBESS ezidityaniswe ne-1000 V DC, apho iimegawatts zitshaja iilori (MCS) zisiya kwi-1250 A kunye ne-3.75 MW ngeseshoni nganye.

Izinto ezibalulekileyo ekufuneka uziqwalasele:

• Amaqonga ezithuthi atshintsha ukusuka kwi-400 V ukuya kwi-800 V/1000 V, kwaye iitshaja kufuneka zihambelane ne-voltage ukuze kuthintelwe ukonakaliswa kunye nezohlwayo zesantya sokutshaja.
• Uyilo lwe-BESS oludityaniswe ne-DC lususa amanqanaba amabini okuguqula, lunyusa ukusebenza kakuhle kwenkqubo ukuya kwi-95%+ kwaye lunciphisa ukulahleka kobushushu namandla kwiindawo zeendlela ezinkulu.
• Ukupholisa ulwelo kuyimfuneko ngaphezu kwama-300 kW: kuxhasa umbane oqhubekayo we-500 A+ ngokusebenzisa izihlanganisi kunye neentambo ezingenakukwazi ukulawulwa kukupholisa umoya.
• Imigangatho idityaniswa malunga ne-ISO 15118-20 (icala elihamba ngamacala amabini kunye nePlug & Charge), ukwamkelwa kwe-NACS eMntla Melika, kunye ne-MCS yokutshaja iilori ezinzima.
• Uyilo lwesiza oluya kumelana nekamva luthetha ukwakha iibhasi ze-1000 V DC, izixhobo ezipholisiweyo ngolwelo, kunye neebhloko zamandla eziguquguqukayo ezinokukhula ziye kwimveliso yee-megawatt.

Ugqatso lweVoltage: Ukusuka kwi-400 V ukuya kwi-1000 V+ Platforms zeMoto

Ibhetri yesithuthi ngasinye inevolthi eqhelekileyo emisela amandla okutshaja afunekayo. Kwi-400 V, ukuhambisa i-350 kW kufuna malunga ne-875 A - umbane ovelisa ukufudumeza okukhulu kwe-conductor kunye nokuwohloka kwesixhumi. Kwi-800 V, amandla afanayo afuna kuphela i-~440 A, kwaye kwi-1000 V kuphela i-~350 A. Olu lwazi lubangela ukuba phantse yonke i-OEM enkulu iqalise amaqonga e-800 V phakathi kowama-2021 nowama-2025 (kunye neendlela ezininzi ezibhengeza uyilo lwe-900–1000 V), kwaye kutheni iziseko zokutshaja kufuneka zihambelane: itshaja ye-400 V-class ehambisa kwisithuthi se-800 V iyaphazamisa okanye ifuna ukuguqulwa kwe-DC-DC, ilahlekelwa yisantya kunye nokusebenza kakuhle.

Kubaphuhlisi besiza, intsingiselo esebenzayo kukuba kufuneka kuchazwe ukufakelwa okutsha kwi-1000 V output ukususela ngomhla wokuqala. Iitshaja ezilinganiswe kwi-1000 V zikhonza izithuthi ezixutyiweyo ngokupheleleyo - izithuthi ezingama-400 V, 800 V, kunye ne-1000 V - ngokuthetha ngevolthi yeseshini ngokwe-ISO 15118, ngelixa izixhobo ze-legacy ze-500 V ezilinganiswe njenge-500 V zibambekile njengoko izithuthi zisiya phezulu.

Kutheni i-BESS eneVoltage ephezulu itshintsha i-Site Design Equation

Ibhasi ye-BESS ene-voltage ephezulu ayisiyobhetri enkulu nje kuphela; itshintsha uyilo lombane lwendawo. Iindawo zemveli ziguqula amandla egridi ye-AC abe yi-DC kwitshaja, zichitha i-3-6% ngokuguqulwa ngakunye kwaye zithwalisa umthwalo uqhagamshelo lwegridi. Kuyilo oludibeneyo lwe-DC ene-voltage ephezulu, ibhetri kunye ne-solar array zondla ibhasi ye-1000 V DC ekwabelwana ngayo, kwaye iitshaja zitsala i-DC ngokuthe ngqo - zisusa amanqanaba amabini okuguqulwa apheleleyo (i-AC-DC kwicala lelanga kunye nendlela yegridi ukuya kwitshaja). Isiphumo esilinganisiweyo kukusebenza okujikelezayo kwe-92-95% ngokuchasene ne-85-90% kwii-AC-coupled equivalents, kunye nobukhulu obuncitshisiweyo be-transformer kunye ne-switchgear yamandla afanayo aziswayo.

Iibhasi ezine-voltage ephezulu zinciphisa ii-conductors kwaye zilahleke ngokulinganayo ne-voltage. Ibhasi ye-1500 V DC inamandla afanayo kwisibini kwisithathu sombane webhasi ye-1000 V, nto leyo evumela ukuba iintambo ezinde zisebenze phakathi kweebhloko zebhetri ezisasazekileyo kunye neetshaja - inzuzo ebalulekileyo kwiindawo zeendlela ezinkulu apho iikhabhathi zebhetri zimi kwiimitha ezingama-50-100 ukusuka kwiiphedi zokutshaja. Yingakho i-1500 V-class BESS iba yinto eqhelekileyo kwindawo yokugcina iikhonteyina kwaye kutheni iphezulu yomgca wemveliso ye-MIDA - [iinkqubo zokutshaja ezikhawulezayo ze-DC] (https://www.midapower.com/400kw-500kw-split-dc-charging-systems-ccs-gbt-ev-charger-station-super-charger-pile-product/) ukusuka kwi-360 kW ukuya kwi-1680 kW - isebenzisa usasazo lwe-DC oluphezulu ukukhulisa amandla ngaphandle kokuphinda-phinda ubhedu lwekhebula.

Uyilo lwe-DC-Coupled: Ukunciphisa ilahleko kuMthombo

Ukudibanisa kwe-DC kuthetha uluhlu lwe-photovoltaic (ukuba lukhona), ibhetri, kunye neetshaja zonke ziqhagamshela kwibhasi eqhelekileyo ye-DC, kunye nesiguquli se-AC-DC esibotshelelwe kwigridi enye esilawula ukutshintshiselana kwenethiwekhi yendawo kunye nosetyenziso. Uyilo lubonelela ngeenzuzo ezintathu ezidityanisiweyo:

1. Ukusetyenziswa kakhulu kwelanga.Amandla e-PV aya ngqo kwibhetri okanye kwizithuthi ngaphandle kokuguqulwa okuphakathi, ngoko ke izitishi zokugcina amandla elanga kunye ne-solar ezingaphandle kwegridi zisebenza nge-~95% yamandla ephaneli anikezelwa kumsebenzi oluncedo. 2.Iindleko eziphantsi zemfuno.Ukungenisa kwe-AC kwicala lesiza kulungiswa yibhetri, kwaye ibhasi yeDC ifunxa ukungalingani phakathi kokuveliswa kwelanga, imeko yebhetri, kunye nomthwalo wokutshaja. 3.Izixhobo ze-elektroniki zamandla ezilula.Amanqanaba ambalwa okuguqula athetha ukuba kukho iindawo ezimbalwa zokusilela, imithwalo ephantsi yokupholisa, kunye nomlinganiselo omncinci we-kilowatt nganye efakiweyo.

I-MIDA's [izikhululo zokutshaja ezidityanisiweyo zokugcina amandla] (https://www.midapower.com/energy-storage-charging-station) — ukusuka kwi-[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/) ukuya kwi-[482 kWh/320 kW] (https://www.midapower.com/320kw-482kwh-bess-charger-mobile-ev-charging-station-energy-storage-system-product/) kunye noqwalaselo lwe-625 kWh/400 kW — zisebenzisa kanye le topology edibeneyo ye-DC. Igalelo lelanga le-MPPT kunye nebhetri zabelana ngebhasi ye-DC kunye ne-charger power stack, yiyo loo nto ezi nkqubo zinokusebenza ngokupheleleyo ngaphandle kwegridi ngelixa zisabonelela ngokusebenza okukhawulezileyo kokutshaja.

Ukupholisa Ulwelo: Ukunika amandla ukutshaja kweMegawatt-Class

Uxinano lwangoku ludonga olubonakalayo olufikelelwa kukutshaja ngamandla aphezulu. Izihlanganisi kunye neentambo ezipholisiweyo ngomoya zinqunyelwe kwi-250–350 A ngaphambi kokuba ubunzima bobushushu kunye neentambo bungabi namandla; ngaphezulu koko, isihlanganisi sifikelela kwimida yobushushu kwimizuzu embalwa kwaye kufuneka sitshintshe. Ukupholisa ulwelo kutshintsha i-equation ngokujikeleza isibandisi ngejakethi yentambo kunye nomzimba wesihlanganisi, kususa ubushushu kumthombo. Iinkqubo zokutshaja ezipholisiweyo lulwelo zigcina i-500–600 A rhoqo, kunye nezihlanganisi ze-MCS ezijolise kwi-1250 A.

Iimpembelelo zoyilo lwesitishi zezolwakhiwo:

• Amandla aphezulu azinzileyo ngaphandle kokugxeka.Isitishi se-600–1080 kW esipholileyo ngolwelo sinokunika amandla apheleleyo kwiiseshoni ezilandelelanayo kubushushu basehlotyeni, apho amandla alinganayo apholileyo ngomoya ehla ngama-20–40%.
• Iintambo ezibhityileyo nezikhaphukhaphu.Intambo epholiswe lulwelo inobunzima obumalunga nesiqingatha sento epholiswe ngomoya ngokulinganayo, nto leyo ephucula i-ergonomics yabaqhubi — into yokwamkelwa ngokwenene kwiindawo zeenqwelo-mafutha ezisetyenziswa imihla ngemihla nakwiindawo zeendlela ezinkulu.
• Iimodyuli zamandla ezipholisiweyo lulwelo.Iimodyuli zokuguqula ngokwazo (udidi lwe-40–125 kW) zipholile ngolwelo, nto leyo evumela ukuba kubekho uxinano olukhulu lweemodyuli olufunekayo kwiikhabhathi zeklasi ye-megawatt. Iimodyuli zamandla ezipholileyo ngolwelo ze-MIDA ezingama-40 kW/60 kW/75 kW/125 kW [iimodyuli zamandla ezipholileyo ngolwelo](https://www.midapower.com/40kw-dc-bus-input-1000v-dc-dc-ev-charging-module-liquid-cooled-power-module-product/) zinika amandla phezulu kwipotifoliyo yokutshaja.

I-DC enamandla aphezulu kunye nokupholisa ulwelo yindibaniselwano eyenza ukuba iindawo ezingama-600 kW ukuya kwi-1 MW+ zikwazi ukubonwa ngokwasemzimbeni kumgca omnye wekhabhathi, apho kanye imakethi iya khona njengoko iilori ezingama-800 V kunye nee-EV zabakhweli eziphezulu zifika ngobuninzi.

Imigangatho Ebumba Ishumi Elizayo Leminyaka

Ikamva elinombane ophezulu lihlelwa ziintsapho ezintathu ezisemgangathweni, kwaye iinkcukacha zokuthengwa kwempahla kufuneka zibhekisele kuzo ngokucacileyo:

Ukudibana kwe-ISO 15118-20 kunye ne-MCS kubalulekile kuba kumisela umgangatho wedatha kwiiseshoni ze-megawatt: ukuqinisekiswa, ukulinganisa, kunye nokuhamba kwamandla okuhamba kweendlela ezimbini kuxoxiswana ngedijithali, nto leyo eyimfuneko kwingeniso ye-V2G kunye neendawo zokutshaja iilori ezininzi ze-MW. Ukwamkelwa kwe-NACS eMntla Melika, okwangoku, kuthetha ukuba izihlanganisi kufuneka zilungele i-NACS kwizixhobo ezintsha ezijoliswe e-US, ngelixa i-CCS2 ihlala iyinto eqhelekileyo yaseYurophu - ulwahlulo lwengingqi olusingathwa ziintsapho zetshaja ezisemgangathweni ophezulu ngaphandle koyilo olutsha.

Imbono yeTekhnoloji: Oko Kufikayo Ngowama-2028

Indlela elandelwayo ukususela namhlanje ukuya kutsho ku-2028 ibonakala kwiimephu zendlela zabathengisi kunye neendlela zokusebenza ezisemgangathweni:

Kulandela iziphumo ezimbini zokucwangcisa. Okokuqala, iziseko zombane kwindawo (iitransformers, iiswitchgear, iiconduits) kufuneka zibe nobukhulu beenqwelo zomkhosi zika-2030, kungekhona iinqwelo zomkhosi zika-2026 — izixhobo zokutshintsha iswitchgear zibiza kakhulu nge-3–5× kunezo zigqithisileyo xa kusakhiwa. Okwesibini, izixhobo zebhetri kunye netshaja kufuneka zikhethwe kwiintsapho ezisebenzisa iimodyuli ezamkela iimodyuli ze-voltage ephezulu kunye nokuphuculwa kolwelo olupholileyo endaweni, ukuze indawo yokugcina kunye ne-power stack yesiza iguquke kunye neenqwelo zomkhosi endaweni yokuba itshintshwe yiyo.

Ubungqina Botyalo-mali Lwakho Kwixesha Elizayo: Uluhlu Lokujonga

Abaphuhlisi banokungena kwixesha elizayo elinombane ophezulu ngezigqibo ezintlanu zeenkcukacha:

1. Cacisa iitshaja ze-V DC eziyi-1000(i-CCS2/NACS esemgangathweni ophindwe kabini okanye efanelekileyo kwimarike) kuzo zonke iindawo ezintsha zabakhweli kunye nezithuthi. 2.Khetha i-DC-coupled BESSkunye nebhasi ye-DC ekwabelwana ngayo yelanga, ibhetri, kunye neetshaja ukuze kubonakale inzuzo yokusebenza kakuhle eyi-5–10%. 3.Iimodyuli zamandla ezipholisiweyo lulwelo kunye nezihlanganisi ezigunyazisiweyonakweyiphi na indawo engaphezulu kwama-300 kW ukuthintela ukubola kwehlobo. 4.Isiseko segridi esecaleni sobukhulu bomthamo wokuqala we-1.5–2×ukufunxa ukuphuculwa kwee-megawatt ngaphandle kokutshintshwa kweswitshi. 5.Khetha iiplatifomu zeBESS zemodyuliiibhloko zamandla zebhasi kunye nombane wazo zinokuphuculwa endaweni yazo ukuya kwi-1500 V kunye ne-MCS-class output.

Imeko yexesha elizayo yokutshaja kwe-BESS DC ene-voltage ephezulu ayisiyonto icingelwayo; sele ilinganiswa ekuqalisweni kweqonga lezithuthi, ukuthunyelwa kwetshaja, kunye neendlela zokusebenza eziqhelekileyo. Iindawo eziyilwe namhlanje kumaqonga e-1000 V DC adibeneyo, apholiswe lulwelo, asetyenziswa kwiimodyuli ziya kuba zezo zisakhuphisanayo ngo-2030 - kwaye zezo zifumana ingeniso yenkonzo yegridi ngelixa yonke imarike isakhiwa ngokutsha.

FAQ

1. Yintoni ukutshaja kweBESS DC ene-voltage ephezulu?Luyilo apho indawo yokugcina iibhetri isebenza kwibhasi ye-DC ene-voltage ephezulu (800–1500 V) eyondla ngokuthe ngqo iitshaja ze-DC — rhoqo nge-DC-coupled solar — evumela ukutshaja kwe-350 kW ukuya kwi-megawatt kunye nokulahlekelwa okuncinci kokuguqulwa.

2. Kutheni i-voltage yesithuthi ibalulekile kwiziseko zokutshaja?I-voltage ephezulu yesithuthi (800 V/1000 V) inika amandla afanayo kumbane ophantsi, nto leyo enciphisa ubushushu kunye nokulahleka; iitshaja kufuneka zilingane ne-voltage yesithuthi ukuze kuthintelwe ukulahleka okanye ukuguqulwa.

3. Yintoni inzuzo yokusebenza kakuhle kwe-DC-coupled BESS?I-DC coupling isusa amanqanaba amabini okuguqulwa kwe-AC-DC, ukuphakamisa ukusebenza kwenkqubo ukuya nokubuya ukusuka kwi-85–90% (i-AC-coupled) ukuya kwi-92–95% (i-DC-coupled).

4. Kutheni ukupholisa ulwelo kuyimfuneko ukuze kutshajwe ngamandla aphezulu?Ngaphezulu kwe-~300 kW, ukupholisa umoya akunakukwazi ukugcina umbane ngeentambo kunye nezihlanganisi; ukupholisa ulwelo kususa ubushushu kumthombo, okuvumela ukuphuma okuqhubekayo kwe-500–600 A ngaphandle kokuphazamisa.

5. Yintoni i-MCS, kwaye iza kubaluleka nini?Inkqubo yokutshaja iMegawatt (ukuya kuthi ga kwi-1250 A, 3.75 MW ngeseshoni) ngumgangatho weCharIN/IEC wokutshaja iilori ezinzima; iguqula iindlela ezinkulu ukusuka kwi-350 kW ukuya kumandla eklasi yemegawatt njengoko iilori zombane zikhula.

6. Ngaba ndifanele ndithenge i-1000 V okanye i-1500 V BESS namhlanje?Kwiindawo ezininzi zokutshaja ii-EV, inkqubo ye-1000 V isebenzela iinqwelo zangoku nezexesha elifutshane; abaqhubi abaceba iziseko zophuhliso ezikwiikhonteyina okanye ezithwala iilori kufuneka baqinisekise indlela yeqonga eya ekuphuculweni kweebhasi ze-1500 V.

7. Ngaba i-NACS okanye i-CCS2 ziya kulawula kwixesha elizayo?I-NACS yeyona migangatho ifanelekileyo kwiindawo ezintsha zaseMntla Melika, ngelixa i-CCS2 ilawula iYurophu; iitshaja ezisemgangathweni ezininzi ezixhasa zombini, kunye ne-ISO 15118-20, zikhetho olukhuselekileyo kubaqhubi behlabathi.