Iiteknoloji zokupholisa ulwelo eziPhambili kwiitshaja zeBESS DC

Impendulo ekhawulezileyo

Ukupholisa ulwelo kwiitshaja ze-BESS DC kusombulula iingxaki ezimbini ezishushu kakhulu ekutshajeni kwe-EV enamandla aphezulu: ukukhupha ubushushu obuvela kwii-elektroniki zamandla kunye neentambo zokutshaja, kunye nokugcina iiseli zebhetri kumaqondo obushushu afanayo agcina ubomi bomjikelo. Iitshaja ze-480 kW ezipholileyo ngomoya zikhupha amandla okukhupha amandla kwimozulu efudumeleyo kwaye zifuna iintambo ezinzima kangangokuba abaqhubi bayasokola ukuzibamba; iinkqubo ezipholileyo ngamanzi zigcina umbane opheleleyo we-480–600 kW kumaqondo obushushu aphakathi ukuya kuthi ga kwi-50 °C kwaye zisebenzisa iintambo ze-500 A+ ezikhaphukhaphu ezinobunzima obumalunga nesiqingatha kunezinye iindlela eziqhelekileyo. Kwicala lokugcina, iipakethe ze-LFP ezipholileyo ngamanzi zigcina ubushushu beseli ukusuka kwiseli ukuya kwiseli ngaphakathi kwe-±2 °C, zandisa ubomi bomjikelo ukusuka kwizibalo eziqhelekileyo ezipholileyo emoyeni zemijikelo ye-4,000–6,000 ukuya kwimijikelo ye-8,000–10,000. Kubaqhubi, isiphumo esisebenzayo sinokulinganiswa: i-kWh ehanjiswayo ngetshaja ngosuku, ubomi obude bempahla, kunye neendleko eziphantsi zobunini - yiyo loo nto ukupholisa ulwelo ngoku luyilo oluqhelekileyo lwe-240 kW nangaphezulu.

Izinto ezibalulekileyo ekufuneka ziqwalaselwe

• Ukupholisa ulwelo kugcina imveliso epheleleyo esemgangathweni kumaqondo obushushu aphezulu apho iitshaja ezipholileyo emoyeni zincipha nge-15–30%.
• Iintambo zokutshaja ezipholisiweyo ngolwelo zibonelela ngombane oqhubekayo we-500 A+ kwiikhontraktha ezikhaphukhaphu neziguquguqukayo — ezivumela ukutshaja okuphezulu kwe-600 kW.
• Iipakethe zeBESS ezipholisiweyo ngolwelo zifikelela kubushushu obufanayo beeseli ze-±2 °C, zixhasa ubomi bomjikelo obuyi-8,000–10,000 xa kuthelekiswa ne-4,000–6,000 kwiipakethe ezipholisiweyo ngomoya.
• Iilophu zokupholisa ulwelo ezivaliweyo (ezilinganiswe nge-IP65, ezijongiweyo kwimeko yokupholisa) zisika uthuli kunye nokusilela kokubola — unobangela ophambili weengxaki ze-elektroniki kwiindawo ezisecaleni kwendlela.
• Nangona ixabiso lokuqala liphezulu nge-10-20%, iinkqubo ezipholisiweyo lulwelo zibonelela nge-5-15% eyongezelelweyo yamandla ngonyaka kunye nobomi obude, nto leyo ephucula i-TCO yeminyaka eli-10 nge-15-30%.

Ingxaki Yobushushu Ekutshajeni Okunamandla Aphezulu

I-kilowatt nganye ethunyelwa ngetshaja ye-DC ivelisa ubushushu obungafunekiyo. Itshaja ye-480 kW esebenza kakuhle nge-96% ayivumeli ubushushu obuyi-19 kW — obaneleyo ukufudumeza amakhaya amabini aqhelekileyo. Ngaphakathi kwindawo ebiyelweyo, olo bushushu lugxila kwiindawo ezintathu: iimodyuli zamandla ze-AC/DC, ii-converters ze-DC/DC, kunye nesixhumi sentambo yokutshaja. Igumbi lebhetri longeza ingxaki yesine: ukutshaja kunye nemisinga yokukhupha igesi kufudumeza iiseli ngokwazo, kwaye ubushushu lutshaba lwenkqubo nganye ye-electrochemical kwiseli ye-lithium.

Kangangamashumi eminyaka, ukupholisa ngomoya onyanzelisiweyo kusingatha le mithwalo. Kodwa iindlela ezimbini ziye zabangela ukuba ukupholisa umoya kudlule umda wako:

1. Ukunyuka koxinano lwamandla.Iitshaja zisuke kwi-60 kW ukuya kwi-240 kW ukuya kwi-480 kW kwaye ngoku iiplatifomu zeklasi ezingama-600 kW zikwindawo efanayo yokuvala. Ukupholisa umoya akubi kakhulu: iifeni ziyavakala kakhulu, izihluzi ziyavaleka ngokukhawuleza, kwaye indawo yokuvala ifuna imingxuma emininzi yokungenisa umoya evumela uthuli, ityuwa kunye nokufuma kungene. 2.Inyani yobushushu obuphakathi.Iitshaja zeendlela ezinkulu eSpain, eTexas, eMbindi Mpuma, naseOstreliya zisebenza kwi-40–50°C ambient. Iinkqubo ezipholisiweyo ngumoya ziyayeka ukusebenza njengoko i-heatsink isondela kumda wayo - oko kuthetha ukuba itshaja enomlinganiselo we-480 kW kwilebhu inika i-350–410 kW ngoJulayi.

Isohlwayo sokungakhathali asiyonto ithethwayo. Kwitshaja yendlela enkulu eneeseshoni ezingama-24 ngosuku, ukuchithwa kombane okuqhelekileyo kwe-20% ehlotyeni kubiza malunga ne-400–600 kWh ngosuku lokuhanjiswa kwamandla alahlekileyo — amashumi amawaka e-kWh ngonyaka, axabisa i-$5,000–$15,000 kwingeniso kuxhomekeke kwirhafu kunye nokusetyenziswa.

Ukupholisa Umoya vs Ukupholisa Ulwelo: Uthelekiso Lobunjineli

Itheyibhile ityhila ingqiqo yoyilo: ukupholisa ulwelo asilophawu lobunewunewu kodwa bubuchwepheshe obuvumelayo bodidi lokusebenza oluyi-240 kW–1 MW. Ngaphantsi kwe-180 kW, ukupholisa umoya kuhlala kukhuphisana ngokwexabiso; ngaphezu koko, ifiziksi ikhetha ulwelo.

Iintambo ezipholisiweyo ngolwelo: Ukuvula i-500A+ Continuous Current

Intambo yokutshaja kulapho abaqhubi beziva khona uyilo lobushushu. I-600 Umbane oqhubekayo odlula kwi-copper conductor eqhelekileyo uvelisa ubushushu obukhulu obukhuselayo, ngoko ke iintambo ezipholileyo emoyeni zihlawulela ii-conductor ezinkulu kakhulu - isiphumo yintambo enzima neqinileyo kangangokuba abaqhubi - ingakumbi abaqhubi abadala okanye abo baphatha izihlanganisi zeCCS2 kwii-engile ezingaqhelekanga - bayasokola ukuyisebenzisa.

Itekhnoloji yentambo epholisiweyo ngamanzi isombulula le nto ngokujikeleza i-coolant ngeetshaneli ezidityaniswe kwijakethi yentambo, ezikufutshane ngqo nee-conductors ezithwala umbane. I-coolant ikhupha ubushushu obukhuselayo kumthombo, ivumela i-cross-section conductor encinci ukuba ithwale umbane ofanayo:

• Uxinano lwangoku:500–600 Intambo eqhubekayo ngentambo nganye, evumela ukutshaja kwe-600 kW kwizakhiwo ze-800–1000 V ngaphandle kokugqithisa kakhulu.
• Ubunzima kunye nokuguquguquka:Ikhaphukhaphu ngama-40–55% kuneentambo ezipholileyo ngomoya ezifanayo, kunye nerediyasi egobileyo eqine ngakumbi — ukuphuculwa kwamava omqhubi ngqo kunye nokunciphisa ukudinwa kwiinkqubo zerobhothi okanye ze-plug-in ezizenzekelayo.
• Ubushushu besixhumi:ibanjwe ngaphantsi kwama-55°C kumbane opheleleyo, ikhusela zombini iindawo zoqhagamshelwano lwekhonkco kunye nendawo yokungena kwesithuthi.

Olu buchule luphambili [kwiiplatifomu ze-MIDA ze-600 kW ezipholisiweyo ngolwelo] (https://www.midapower.com/), apho inkqubo yekhebula kunye netshaja zabelana ngeluphu efanayo yokupholisa kunye nolawulo - uyilo olugcina yonke indlela yobushushu phantsi kwenkqubo enye yokujonga.

Ulawulo Lobushushu Obusecaleni Kwebhetri: Ubomi Bomjikelo Buyimbali Yobushushu

Kwi-BESS kwisikhululo sokutshaja, ukupholisa akubhekiselele ekusebenzeni okwangoku — kuxhomekeke kubomi bonke. Iiseli zeLithium-iron-phosphate (LFP) ziwohloka ngokukhawuleza kubushushu obuphezulu kwaye, ngokubalulekileyo, ziwohloka ngokungalinganiyo xa iphakheji ineendawo ezishushu nezibandayo. Iseli eshushu kakhulu ithintela ifestile yokusebenza ekhuselekileyo yephakheji yonke kwaye imisela ixesha lokutshintsha.

Ukupholisa ulwelo kutshintsha indlela yokuguga kwebhetri:

Indlela yokusebenza ilula: i-coolant yolwelo enomthamo ophezulu wobushushu kunye nesantya esiphezulu sokuhamba kwamanzi ikhupha ubushushu kwiipleyiti ezibandayo xa idibana ngqo neemodyuli zeseli. Ngenxa yokuba indlela ye-coolant igubungela yonke imodyuli ngokufanayo, iphakheji isebenza kufutshane nobushushu bayo obufanelekileyo kuyo yonke indawo - ukuguga kancinci, ukusebenza ngcono kohambo oluya nokubuya, kunye nokunciphisa umngcipheko wokhuseleko.

Kwi-BESS ejikeleza yonke imihla kumsebenzi wokucheba ngokukhawuleza, umahluko phakathi kwemijikelo engama-6,000 kunye ne-10,000 yiminyaka emithathu ukuya kwemihlanu eyongezelelweyo yenkonzo - nto leyo etshintsha imodeli yezemali ukusuka "kwiprojekthi yokutshintsha ibhetri ephakathi" ukuya "kwibhetri ehlala ixesha elide kunetshaja."

Ukhuseleko, Ukutywina, kunye neSatifikethi

Ukupholisa ulwelo kungenisa ulwelo kwizixhobo ezine-voltage ephezulu, nto leyo eyenza ubunjineli bokhuseleko kunye nesatifikethi zibe yeyona nto iphambili kuyilo. Uyilo olunoxanduva - kunye nolwamkelwa ngabalawuli kunye neenkampani zeinshorensi - zabelana ngezi mpawu:

• Iiluphu ezivaliweyo, ezitywiniweyoene-dielectric coolant, elinganiswe ubomi besixhobo sonke, isusa ngokupheleleyo udidi lweengozi "zamanzi + umbane".
• Iindawo ezivalekileyo ezinereyithingi ye-IP65ngaphandle kwemingxuma yokungenisa umoya: uthuli, ityuwa, kunye nezinambuzane azinakungena, nto leyo enciphisa ngokuthe ngqo iindlela zokungaphumeleli kwentsimi ezilawula izibalo ze-elektroniki ecaleni kwendlela.
• Ukufunyanwa kokuvuza kunye nokujonga uxinzelelongokuvala itshaja ngokuzenzekelayo kunye nokunika ingxelo yeempazamo nge-OCPP.
• Ukubeka iliso kwimeko yesipholisi(ukuqhuba, isantya sokuhamba, ubushushu) zidibene ne-EMS, kunye namaxesha enkonzo yeminyaka emi-5 ukuya kweli-10.
• Ukugutyungelwa kwesatifikethi: IEC 61851, IEC 62196, kunye ne-UL 2594 yenkqubo yokutshaja; I-UL 9540 / IEC 62933 yenkqubo yokugcina; I-IP65 ngokwe-IEC 60529.

Ezi ziinkcukacha ekufuneka zifunwe kwithenda. Iluphu evaliweyo epholisiweyo yolwelo ayihlali igcinwa, kodwa iindlela zayo zokusilela aziqhelekanga, ziyaxelwa kwangaphambili, kwaye ziyabonakala kude — ngokungafaniyo neenkqubo zefeni kunye nezihluzi eziwohloka buthule njengoko izihluzi zivala.

Ugcino kunye noQoqosho loMjikelo woBomi

Inkcaso eqhelekileyo yokupholisa ulwelo bubunzima — ingqiqo yokuba iipompo kunye ne-coolant kufuneka zibe yingxaki ngaphezu kweefeni. Idatha yasentsimini kunye neerekhodi zenkonzo ye-OEM zixela ibali elichaseneyo:

Yongeza amandla kunye nemiphumo yengeniso — akukho monakalo ehlotyeni, umbane ophezulu wonyaka, ubomi bebhetri obude — kwaye uthelekiso lwe-TCO lweminyaka eli-10 lufanelekile: iinkqubo ezipholisiweyo ngolwelo zihlala zibonelela nge-TCO ephantsi nge-15-30% kune-equivalents ezipholisiweyo ngomoya kwi-240 kW nangaphezulu, nangona iprimiyamu yexabiso lokuqala eyi-10-20%. Iprimiyamu ihlawulwa kube kanye; isohlwayo somonakalo kunye nokutshintshwa kwebhetri kubuya rhoqo ngonyaka.

Ixabiso lilonke lobunini ngokujonga nje

Isiphelo

Ukupholisa ulwelo oluphucukileyo yiteknoloji echazayo yexesha lokutshaja elinamandla aphezulu. Igcina imveliso epheleleyo kubushushu basentlango, yenza ukutshaja okungama-600 kW kusetyenziswe ngokwasemzimbeni ngeentambo ezilula ezingama-500 A+, kwaye iphinda-phinda ubomi bomjikelo we-BESS ngokusebenzisa amaqondo obushushu afanayo eeseli - konke oku ngelixa kunciphisa ukugcinwa kunye nokuphelisa iindlela zokungaphumeleli eziqhutywa luthuli zeendawo zokufaka umoya. Yonke into yekhonkco lexabiso - amandla aphumayo, ubomi bezinto, amava omqhubi, iindleko ze-O&M - ziyaphucuka. Kubasebenzi abachaza i-240 kW nangaphezulu, ukupholisa ulwelo akulona ukhetho oluphezulu; lusisiseko esichanekileyo sobunjineli. Hlola [ipotifoliyo yokutshaja ngokukhawuleza ye-DC epholileyo ye-MIDA] (https://www.midapower.com/) kunye [noyilo lwesalathiso solawulo lobushushu lwe-BESS] (https://www.midapower.com/) ukuze ufumane idatha yokusebenza eqinisekisiweyo kwiimeko zengingqi zesiza sakho.

FAQ

1. Yintoni ukupholisa ulwelo kwitshaja yeDC?Ukupholisa kolwelo kujikeleza i-coolant ngeepleyiti ezibandayo kunye nemijelo yekhebula ukuze kukhutshwe ubushushu kwii-elektroniki zamandla, iibhetri, kunye neentambo zokutshaja ngqo, endaweni yokuxhomekeka kwiifeni kunye nomoya ojikeleze umhlaba.

2. Kutheni kufuneka ukupholisa ulwelo ukuze kutshajwe i-EV enamandla aphezulu?Ngaphezulu kwama-240 kW, ukupholisa umoya akunakususa ubushushu obumdaka ngokukhawuleza ngokwaneleyo kwiindawo ezifudumeleyo, nto leyo ebangela ukuba imveliso ingasebenzi kakuhle; ukupholisa ulwelo kugcina amandla apheleleyo kwaye kuvumela iintambo ezilula ezingama-500–600 A.

3. Ukupholisa ulwelo kuphucula kangakanani ixesha lokusebenza kwetshaja?Iinkqubo ezipholisiweyo ngolwelo ezivaliweyo zisusa ukucoca izihluzi kunye nokusilela kwefeni, zinciphisa i-O&M yonyaka ngama-50–70% kwaye zisusa ukuwohloka kwehlobo, okunokongeza i-5–15% ekunikezelweni kwamandla ngonyaka.

4. Ngaba iintambo ezipholisiweyo ngolwelo zithwala i-500 A rhoqo?Ewe. Iintambo ezipholisiweyo ngolwelo ezineetshaneli ezidityanisiweyo zokupholisa zithwala umbane oqhubekayo we-500–600 A ngelixa zihlala ziguquguquka kwaye zilula — iteknoloji evumela ukutshaja kweklasi ye-600 kW.

5. Ngaba ukupholisa ulwelo kuyandisa ubomi bebhetri kwi-BESS?Ewe. Iipakethe ze-LFP ezipholisiweyo ngolwelo zigcina ubushushu obufanayo beeseli ze-±2 °C, zixhasa imijikelo eyi-8,000–10,000 xa kuthelekiswa ne-4,000–6,000 kwiipakethe eziqhelekileyo ezipholisiweyo ngomoya — ubomi benkonzo obude obuyi-50–100%.

6. Ngaba ukupholisa ulwelo kukhuselekile ngezixhobo ze-voltage ephezulu?Ewe, xa zenziwe ngendlela eyiyo: iilophu ezivaliweyo zisebenzisa i-dielectric coolant, ii-enclosures zifikelela kwi-IP65, kwaye ukujonga ukuvuza/uxinzelelo kubangela ukuvala ngokuzenzekelayo kunye nee-alamu ezikude.

7. Iyintoni imbuyekezo yokukhetha ukupholisa ulwelo?Kwi-240 kW nangaphezulu, iprimiyamu yexabiso lokuqala eyi-10–20% ifunyanwa ngokususa i-derating, ukunciphisa i-O&M, kunye nokuthintela ukutshintshwa kwebhetri, nto leyo enika ixabiso elipheleleyo lobunini bemoto eliphantsi nge-15–30% kwiminyaka eli-10.