Idan ya zo ga 800V, kamfanonin motoci na yanzu suna haɓaka dandamalin caji mai sauri na 800V., kuma masu amfani da hankali suna tunanin cewa 800V shine tsarin caji mai sauri.
A gaskiya ma, wannan fahimtar an ɗan ɗan yi kuskure.Don zama madaidaici, 800V high-voltage caji mai sauri ɗaya ne daga cikin fasalulluka na tsarin 800V.
A cikin wannan labarin, na yi niyyar nunawa masu karatu cikin tsari cikakken tsarin 800V daga girma biyar, gami da:
1. Menene tsarin 800V akan sabon motar makamashi?
2. Me yasa aka gabatar da 800V a halin yanzu?
3. Wadanne fa'idodi masu hankali na tsarin 800V zai iya kawowa a halin yanzu?
4. Menene matsaloli a cikin aikace-aikacen tsarin 800V na yanzu?
5. Menene yuwuwar shimfidar caji a nan gaba?
01.Menene tsarin 800V akan sabon motar makamashi?
Tsarin wutar lantarki mai ƙarfi ya haɗa da duk abubuwan haɗin wutar lantarki mai ƙarfi akan dandamali mai ƙarfi. Hoto mai zuwa yana nuna manyan abubuwan haɗin wuta na al'adasabuwar makamashi zalla abin hawasanye take da wani dandali mai sanyaya ruwa 400Vfakitin baturi.
Tsarin wutar lantarki na babban tsarin wutar lantarki yana samuwa daga ƙarfin fitarwa na fakitin ƙarfin baturi.
Takaitaccen kewayon dandali na ƙarfin lantarki na nau'ikan nau'ikan lantarki masu tsafta yana da alaƙa da adadin ƙwayoyin da aka haɗa jeri a cikin kowane fakitin baturi da nau'in sel (ternary, lithium iron phosphate, da sauransu.).
Daga cikin su, adadin fakitin baturi na ternary a cikin jerin tare da sel 100 shine kusan 400V babban ƙarfin lantarki.
Dandalin wutar lantarki na 400V sau da yawa muna cewa magana ce mai faɗi. Dauki dandali na 400V Jikrypton 001 a matsayin misali. Lokacin da fakitin baturi na ternary da ke ɗauke da shi yana tafiya daga 100% SOC zuwa 0% SOC, fadinsa canjin wutar lantarki ya kusa100V (kimanin 350V-450V). ).
3D zane na babban ƙarfin lantarki fakitin baturi
A karkashin tsarin 400V high-voltage na yanzu, duk sassa da sassan tsarin tsarin wutar lantarki suna aiki a ƙarƙashin matakin ƙarfin lantarki na 400V, kuma ana aiwatar da ƙira, haɓakawa da tabbatarwa bisa ga matakin ƙarfin lantarki na 400V.
Don cimma cikakken tsarin dandamali na babban ƙarfin lantarki na 800V, da farko, dangane da ƙarfin baturi, ana buƙatar amfani da fakitin baturi 800V, daidai da kusan 200.ternary lithiumKwayoyin baturi a jere.
Motoci masu biye da su, na'urorin kwantar da iska, caja, DCDC goyon bayan 800V da makamantan wayoyi masu alaƙa, masu haɗa wutar lantarki da sauran sassa akan duk babban ƙarfin lantarki an tsara su, haɓakawa da tabbatarwa daidai da buƙatun 800V.
A cikin haɓaka tsarin gine-ginen 800V, don dacewa da 500V / 750V masu saurin caji a kasuwa, 800V tsarkakakken motocin lantarki za a sanye su da 400V zuwa 800V haɓaka DCDC modules.na dogon lokaci.
Ayyukansa shineyanke shawara akan lokaci ko kunna kayan haɓakawa don cajin fakitin baturin 800V gwargwadon ƙarfin ƙarfin lantarki nacaji tari .
Dangane da hadewar aikin farashi, akwai kusan iri biyu:
Ɗayan shine cikakken gine-ginen dandamali na 800V.
Duk sassan abin hawa a cikin wannan gine-gine an tsara su don 800V.
Cikakken 800V babban ƙarfin lantarki tsarin gine-gine
Rukuni na biyu shine bangaren da ke da tasiri mai tsada na gine-ginen dandamali na 800V.
Riƙe wasu abubuwan haɗin 400V: Tun da farashin na'urorin canza wutar lantarki na 800V na yanzu sau da yawa fiye da na 400V IGBTs, don daidaita farashin duk abin hawa da ingantaccen aiki, OEMs suna motsawa don amfani da abubuwan 800V.(kamar motoci)kanAjiye wasu sassan 400V(misali na'urar kwandishan lantarki, DCDC).
Yawaita na'urorin wutar lantarki: Tun da babu buƙatar tuƙi yayin aiwatar da caji, OEM masu ƙima za su sake amfani da na'urorin wuta a cikin mai sarrafa motar axle na baya don haɓaka 400V-800 DCDC.
Tsarin Wutar Lantarki 800V Platform Architecture
02.Me yasa sabbin motocin makamashi ke gabatar da tsarin 800V a halin yanzu?
A cikin tuƙi na yau da kullun na motocin lantarki masu tsabta na yanzu, kusan kashi 80% na wutar lantarki ana cinyewa a cikin injin tuƙi.
Inverter, ko mai kula da motoci, yana sarrafa injin lantarki kuma yana ɗaya daga cikin mahimman abubuwan da ke cikin mota.
Tsarin tuƙi na lantarki uku-cikin ɗaya
A cikin zamanin Si IGBT, ingantaccen ingantaccen tsarin dandamali na 800V yana da ƙananan, kuma ikon aikace-aikacen bai isa ba.
Asarar ingantaccen tsarin injin tuƙi ya ƙunshi asarar jikin motar da asarar inverter:
Sashin farko na asarar - asarar jikin motar:
- Asarar tagulla - asarar zafi akanmoto stator winding(wayar jan karfe);
- Asarar ƙarfe A cikin tsarin da motar ke amfani da ƙarfin maganadisu, asarar zafi(Zafin Joule)lalacewa ta hanyar igiyar ruwa da aka haifar a cikin ƙarfe(ko aluminum)wani ɓangare na motar saboda canje-canje a cikin ƙarfin maganadisu;
- Ana danganta hasarar da ba ta dace da asarar da aka yi ta hanyar caji ba bisa ka'ida ba;
- asarar iska.
Wani nau'in motar waya mai lebur 400V kamar haka yana da matsakaicin inganci na 97%, kuma an ce jikin motar 400V Extreme Krypton 001 Wei Rui yana da matsakaicin inganci na 98%.
A cikin mataki na 400V, wanda ya kai mafi girman inganci na 97-98%, kawai amfani da dandamali na 800V yana da iyakacin sarari don rage asarar motar kanta.
Kashi na 2 Asarar: Asarar Inverter:
- asarar gudanarwa;
- canza hasara.
Mai zuwa shineHonda400V dandali IGBT ingantaccen injin inverter Map[1].Fiye da 95% nayankunan da ke da inganci suna kusa da 50%.
Daga kwatankwacin matsayin asara na yanzu na sassan biyu:
A cikin m kwatanta tsakanin asarar jikin motar (> 2%)da kuma asarar inverter(> 4%), da inverter asarar ne in mun gwada da babba.
Saboda haka, kewayon tuƙi na mota ya fi alaƙa da ingancin babban inverter na injin tuƙi.
Kafin balaga na na'ura mai ba da wutar lantarki na ƙarni na uku SiC MOSFET, kayan aikin wutar lantarki na sabbin motocin makamashi, kamar injin tuƙi, suna amfani da Si IGBT azaman na'urar da ke canzawa na inverter, kuma matakin ƙarfin lantarki mai goyan bayan ya fi kusan 650V. Wutar lantarki, motocin lantarki da sauran abubuwan da ba a amfani da su ba.
Daga ra'ayi mai yiwuwa, sabon motar fasinja mai kuzari na iya amfani da IGBT tare da ƙarfin juriya na 1200V azaman wutar lantarki na mai sarrafa motar 800V, kuma za a haɓaka tsarin 800V a zamanin IGBT.
Daga hangen nesa na aikin farashi, dandamalin ƙarfin lantarki na 800V yana da ƙarancin haɓakawa a cikin ingancin jikin motar. Ci gaba da amfani da 1200V IGBTs ba ya inganta ingantaccen injin inverter, wanda ke haifar da yawancin asara. Maimakon haka, yana kawo jerin farashin ci gaba. Yawancin kamfanonin mota ba su da aikace-aikacen wutar lantarki a zamanin IGBT. 800V dandamali.
A zamanin SiC MOSFETs, aikin tsarin 800V ya fara inganta saboda haifuwar mahimman abubuwan.
Bayan zuwan na'urori masu ƙarfin lantarki na ƙarni na uku na semiconductor silicon carbide, ya sami kulawa mai yawa saboda kyawawan halayensa [2].Yana haɗa fa'idodin babban mitar Si MOSFETs da babban ƙarfin lantarki Si IGBTs:
- Babban mitar aiki - har zuwa matakin MHz, mafi girman 'yancin daidaitawa
- Kyakkyawan juriya na ƙarfin lantarki - har zuwa 3000 kV, yanayin aikace-aikacen fadi
- Kyakkyawan juriya na zafin jiki - yana iya gudana a tsaye a babban zafin jiki na 200 ℃
- Ƙananan haɗe-haɗen girman - mafi girman zafin jiki na aiki yana rage girman heatsink da nauyi
- Babban Ingantacciyar Aiki - Amincewa da na'urorin wutar lantarki na SiC yana haɓaka ingantaccen kayan aikin wutar lantarki kamar injin inverters saboda raguwar asara.Take daMai hankaliGenie a matsayin misali a kasa. Karkashin dandali irin ƙarfin lantarki da kuma ainihin juriya iri ɗaya(kusan babu bambanci a nauyi/siffa/ fadin taya),dukkansu injinan Virui ne. Idan aka kwatanta da masu juyawa na IGBT, gabaɗayan ingancin inverters na SiC yana haɓaka da kusan 3%.Lura: Haƙiƙanin haɓaka ingantaccen inverter kuma yana da alaƙa da ƙarfin ƙirar kayan masarufi da haɓaka software na kowane kamfani.
Kayayyakin SiC na farko an iyakance su ta hanyar tsarin haɓakar wafer na SiC da ƙarfin sarrafa guntu, kuma ƙarfin ɗaukar guntu na yanzu na SiC MOSFET ya yi ƙasa da na Si IGBTs.
A cikin 2016, ƙungiyar bincike a Japan ta ba da sanarwar nasarar haɓaka babban injin inverter mai ƙarfi ta amfani da na'urorin SiC, kuma daga baya sun buga sakamakon a cikin (Ma'amalar Injiniyan Lantarki da Lantarki na Cibiyar Injiniyoyi ta Japan)IEEJ[3].Inverter yana da matsakaicin fitarwa na 35kW a lokacin.
A cikin 2021, tare da ci gaban fasaha a kowace shekara, halin yanzu yana ɗaukar ƙarfin SiC MOSFET da ake samarwa da yawa tare da ƙarfin juriya na 1200V ya inganta, kuma an ga samfuran da za su iya dacewa da ƙarfin sama da 200kW.
A wannan mataki, an fara amfani da wannan fasaha a cikin motoci na gaske.
A gefe guda, aikin na'urorin wutar lantarki na wutar lantarki yana da kyau.Na'urorin wutar lantarki na SiC suna da inganci mafi girma fiye da IGBTs, kuma suna iya daidaita ƙarfin jurewar wutar lantarki(1200V).da 800V dandamali, kuma sun haɓaka zuwa ƙarfin wutar lantarki fiye da 200kW a cikin 'yan shekarun nan;
A gefe guda, ana iya ganin ribar dandamali mai ƙarfi na 800V.Sau biyu na ƙarfin wutar lantarki yana kawo iyakar ƙarfin caji na duka abin hawa mafi girma, asarar jan ƙarfe na tsarin yana da ƙasa, kuma ƙarfin ƙarfin injin inverter ya fi girma.(a zahiri, karfin juyi & ikon girman girman injin ya fi girma);
Na uku shine haɓaka haɓakawa a cikin sabuwar kasuwar makamashi.Neman babban kewayon tafiye-tafiye da kuma samar da makamashi mai sauri a gefen mabukaci, bangaren kasuwancin yana ɗokin yin bambanci a cikin bambancin wutar lantarki a cikin sabon kasuwar makamashi;
Abubuwan da ke sama a ƙarshe sun kawo babban bincike da aikace-aikacen sabbin hanyoyin samar da wutar lantarki na 800V a cikin shekaru biyu da suka gabata.A halin yanzu an jera samfuran dandamali na 800V sun haɗa da Xiaopeng G9,PorscheTaycanda sauransu.
Bugu da kari, SAIC, Krypton,Lotus, Ide,Motar Tianjida sauran kamfanonin mota kuma suna da alaƙa da nau'ikan 800V waɗanda ke shirye don gabatar da su ga kasuwa.
03.Wadanne fa'idodi masu hankali na tsarin 800V zai iya kawowa a halin yanzu?
Tsarin 800V na iya ƙididdige fa'idodi da yawa. Ina tsammanin fa'idodin da suka fi dacewa ga masu amfani na yanzu sune galibi biyu masu zuwa.
Na farko , rayuwar baturi ya fi tsayi kuma ya fi ƙarfi, wanda shine mafi yawan fa'ida.
A matakin amfani da wutar lantarki na kilomita 100 a ƙarƙashin yanayin aiki na CLTC, fa'idodin da tsarin 800V ya kawo.(hoton da ke ƙasa yana nuna kwatanta tsakanin Xiaopeng G9 daBMWiX3, G9 ya fi nauyi, jiki ya fi fadi, kumatayasun fi fadi, duk waɗannan abubuwan da ba su dace ba don amfani da wutar lantarki), Ƙididdiga masu ra'ayin mazan jiya Akwai haɓaka 5%.
A babban gudun, ingantaccen amfani da makamashi na tsarin 800V an ce ya fi fitowa fili.
A lokacin kaddamar da na'urar Xiaopeng G9, masana'antun sun jagoranci kafofin watsa labarai da gangan don gudanar da gwaje-gwajen rayuwar batir mai sauri. Yawancin kafofin watsa labaru sun ba da rahoton cewa 800V Xiaopeng G9 ya sami babban adadin rayuwar batir mai sauri (rayuwar batir mai sauri / rayuwar batir CLTC * 100%).
Haƙiƙanin tasirin ceton makamashi yana buƙatar ƙarin tabbaci daga kasuwa mai zuwa.
Na biyu shine don ba da cikakken wasa ga iyawar cajin da ake samu.
400V dandamali model, a lokacin da fuskantar 120kW, 180kW caji tara, da cajin ne kusan iri daya. (Bayanan gwajin sun fito daga Chedi)Modular haɓaka DC ɗin da tsarin dandamali na 800V ke amfani da shi na iya cajin tari mai ƙarancin ƙarfin lantarki kai tsaye.(200kW/750V/250A)wanda ba'a iyakance shi da ƙarfin grid zuwa cikakken ƙarfin 750V/250A ba.
Lura: Ainihin cikakken ƙarfin lantarki na Xpeng G9 yana ƙasa da 800V saboda la'akari da aikin injiniya.
Ɗaukar misali tari a matsayin misali, ƙarfin cajin Xiaopeng G9 ( dandamali 800V)tare da fakitin baturi guda 100-digirikusan sau 2 neFarashin JK001(400V dandamali).
04.Menene matsaloli a cikin aikace-aikacen tsarin 800V na yanzu?
Babban wahalar aikace-aikacen 800V har yanzu ba zai iya rabuwa da farashi ba.
Wannan farashi ya kasu kashi biyu: farashin kayan aiki da farashin ci gaba.
Bari mu fara da farashin sassa.
Na'urorin wutar lantarki masu ƙarfi suna da tsada kuma ana amfani da su da yawa.Zane na gaba ɗaya 1200-voltage high-voltage power na'urar tare da cikakken 800V gine yana amfani fiye da30, kuma akalla 12SiC don samfuran motoci biyu.
Tun daga Satumba 2021, farashin dillalan 100-A mai hankali SiC MOSFETs (650 V da 1,200 V) kusan sau 3 ne.Farashin daidai Si IGBT.[4]
Tun daga Oktoba 11, 2022, na koyi cewa bambancin farashin dillalan tsakanin Infineon IGBTs biyu da SiC MOSFETs tare da ƙayyadaddun ƙayyadaddun ayyuka iri ɗaya ne kusan sau 2.5.(Tsarin bayanan Infineon gidan yanar gizon hukuma Oktoba 11, 2022)
Dangane da tushen bayanan bayanan guda biyu na sama, ana iya la'akari da cewa kasuwar SiC ta yanzu tana kusan sau 3 bambancin farashin IGBT.
Na biyu shine farashin ci gaba.
Tun da yawancin sassan da ke da alaƙa na 800V suna buƙatar sake fasalin su da kuma tabbatar da su, ƙimar gwajin ya fi girma fiye da na ƙananan samfurori.
Wasu kayan aikin gwaji a cikin zamanin 400V ba za su dace da samfuran 800V ba, kuma ana buƙatar siyan sabbin kayan gwajin.
Kashi na farko na OEM don amfani da sabbin samfura na 800V yawanci suna buƙatar raba ƙarin farashin haɓaka gwaji tare da masu samar da kayan.
A wannan matakin, OEMs za su zaɓi samfuran 800V daga waɗanda aka kafa don kare kai, kuma ƙimar haɓakar masu samar da kayayyaki za su yi girma sosai.
Dangane da kimanta injiniyan mota na OEM a cikin 2021, farashin motar lantarki mai tsafta mai nauyin 400kW tare da cikakken gine-ginen 800V da tsarin 400kW mai motsi biyu zai karu daga 400V zuwa 800V., kuma farashin zai karu da kusan10,000-20,000 yuan.
Na uku shine ƙarancin aikin tsarin 800V.
Ɗaukar abokin ciniki na lantarki mai tsabta ta amfani da tulin cajin gida a matsayin misali, yana ɗaukar farashin caji na 0.5 yuan / kWh da amfani da wutar lantarki na 20kWh / 100km (yawan amfani da wutar lantarki don babban jirgin ruwa mai sauri na matsakaici da manyan EV model), halin yanzu tashin farashin tsarin 800V na iya amfani da abokin ciniki don 10- 200,000 kilomita.
Kudin makamashi da aka adana ta hanyar ingantaccen ingantaccen tsarin rayuwar abin hawa (dangane da ingantaccen ingantaccen dandamali na babban ƙarfin lantarki da SiC, marubucin ya ƙididdige ƙimar ingancin 3-5%).ba zai iya rufe karuwar farashin abin hawa ba.
Hakanan akwai iyakancewar kasuwa don samfuran 800V.
Abubuwan da ake amfani da su na dandalin 800V dangane da tattalin arziki ba a bayyane suke ba, don haka ya dace da manyan ayyuka na B +/C-class model waɗanda ke da kyakkyawan aikin abin hawa kuma ba su da mahimmanci ga farashin abin hawa guda ɗaya.
Irin wannan abin hawa yana da ɗan ƙaramin kason kasuwa.
Bisa kididdigar da aka yi na hukumar fasinja ta kasar Sin, daga watan Janairu zuwa Agusta na shekarar 2022, bisa kididdigar farashin sabbin motocin makamashi a kasar Sin, yawan tallace-tallace na 200,000-300,000 ya kai kashi 22%., tallace-tallace na 300,000 zuwa 400,000 ya biya16%, da kuma tallace-tallace na fiye da 400,0004%.
Ɗaukar farashin motocin 300,000 a matsayin iyaka, a cikin lokacin da farashin kayan aikin 800V ba a rage shi sosai ba, ƙirar 800V na iya yin lissafin kusan 20% na kasuwar kasuwa.
Na hudu, sarkar samar da sassan 800V ba ta da girma.
Aikace-aikacen tsarin 800V yana buƙatar sake haɓaka ainihin sassan da'ira mai ƙarfi na asali.Batura masu amfani da wutar lantarki, masu sarrafa wutar lantarki, caja, tsarin kula da thermal da sassa, yawancin Tire1 da Tire2 har yanzu suna cikin ci gaba kuma basu da kwarewa a aikace-aikacen samar da yawa. Akwai 'yan dillalai na OEMs, kuma ingantattun samfuran balagagge suna da yuwuwar fitowa saboda abubuwan da ba a zata ba. al'amurran da suka shafi yawan aiki.
Na biyar, 800V bayan kasuwa ba shi da inganci.
Tsarin 800V yana amfani da sabbin samfura da yawa (inverter, jikin mota, baturi, caja + DCDC, babban haɗin wuta, babban kwandishan iska, da sauransu), kuma ya zama dole don tabbatar da izinin, nisan creepage, rufi, EMC, zubar da zafi, da dai sauransu.
A halin yanzu, ci gaban samfura da sake zagayowar tabbatarwa a cikin sabon kasuwar makamashi na cikin gida yana da ɗan gajeren lokaci (yawanci, tsarin ci gaban sabbin ayyuka a cikin tsoffin ayyukan haɗin gwiwa shine shekaru 5-6, kuma yanayin ci gaba na yanzu a kasuwannin cikin gida bai wuce shekaru 3 ba). ).A lokaci guda, ainihin lokacin binciken kasuwar abin hawa na samfuran 800V bai isa ba, kuma yiwuwar tallace-tallace na gaba yana da girma. .
Na shida, ƙimar aikace-aikacen aikace-aikacen 800V mai saurin caji ba ta da girma.
Lokacin da kamfanonin mota ke inganta 250kW,480kW (800V)high-power super fast caji, yawanci suna bayyana adadin garuruwan da aka ajiye tulin cajin, da nufin jagorantar masu amfani da su don tunanin cewa za su iya jin dadin wannan kwarewa a kowane lokaci bayan sun sayi mota, amma gaskiyar ba ta da kyau.
Akwai manyan matsaloli guda uku:
Xiaopeng G9 800V Babban Voltage Mai Saurin Cajin Rubutun
(1) 800V caja tara za a kara.
A halin yanzu, yawancin cajin DC na yau da kullun akan kasuwa yana goyan bayan matsakaicin ƙarfin wutar lantarki na 500V/750V da iyakataccen halin yanzu na 250A, wanda ba zai iya ba da cikakken wasa ba.ƙarfin caji mai sauri na tsarin 800V(300-400kW).
(2) Akwai ƙuntatawa akan iyakar ƙarfin 800V supercharged tara.
Shan Xiaopeng S4 supercharger (mai sanyaya ruwa mai matsa lamba)a matsayin misali, matsakaicin ƙarfin caji shine 480kW/670A.Saboda ƙayyadaddun ƙarfin grid na wutar lantarki, tashar zanga-zangar tana goyon bayan cajin mota guda ɗaya kawai, wanda zai iya yin amfani da mafi girman ƙarfin caji na nau'in 800V. A cikin sa'o'i mafi girma, cajin motoci da yawa a lokaci guda zai haifar da karkatar da wutar lantarki.
Bisa ga misalin ƙwararrun masu samar da wutar lantarki: makarantun da ke da ɗalibai sama da 3,000 a yankin gabas na gabar teku suna neman ƙarfin 600kVA, wanda zai iya tallafawa tari mai girma na 480kW 800V bisa ƙididdige ƙimar 80%.
(3) Kudin saka hannun jari na 800V supercharged tara yana da yawa.
Wannan ya haɗa da na'urorin lantarki, tarawa, ajiyar makamashi, da dai sauransu. An kiyasta ainihin farashin ya fi na tashar musanya, kuma yiwuwar ƙaddamar da manyan ayyuka yana da ƙasa.
800V supercharging shine kawai icing akan cake, don haka wane nau'in shimfidar wurin caji zai iya inganta kwarewar caji?
Filin Cajin Babban Gudun Hutu na 2022
05.Tunanin shimfidar wuraren caji a nan gaba
A halin yanzu, a cikin duka kayan aikin tari na caji na cikin gida, rabon abin hawa zuwa tara (gami da tarin jama'a + tara masu zaman kansu)har yanzu yana kan matakin kusan 3:1(dangane da bayanan 2021).
Tare da karuwar tallace-tallace na sababbin motocin makamashi da sauƙi na damuwa na cajin masu amfani, ya zama dole a ƙara yawan abin hawa zuwa tara. Za'a iya tsara ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun tudu masu saurin caji da jinkirin caji a hankali a cikin yanayin da ake zuwa da kuma yanayin caji mai sauri, don haɓaka ƙwarewar caji. Don ingantawa, kuma yana iya daidaita nauyin grid.
Na farko shine cajin wuri, caji ba tare da ƙarin lokacin jira ba:
(1) Wuraren ajiye motoci na mazauni: An gina babban adadin raƙuman cajin da aka raba tare da tsari a cikin 7kW, kuma ana ba motocin mai fifiko ga wuraren ajiye motocin da ba sabon makamashi ba, waɗanda za su iya biyan bukatun mazauna, kuma farashin kwanciya shine. ƙananan ƙananan, kuma hanyar sarrafawa cikin tsari kuma na iya guje wa ƙetare grid wutar lantarki na yanki. iya aiki.
(2) Kasuwancin kantuna / wuraren wasan kwaikwayo / wuraren shakatawa na masana'antu / gine-ginen ofis / otal-otal da sauran wuraren ajiye motoci: 20kW mai saurin caji yana haɓaka, kuma an gina babban adadin 7kW jinkirin caji.Bangaren haɓakawa: ƙarancin farashi na jinkirin caji kuma babu farashin faɗaɗawa; Bangaren mabukaci: guje wa mamaye sarari/motoci masu motsi bayan an cika caji cikin sauri cikin kankanin lokaci.
Na biyu shine saurin cika kuzari, yadda ake adana lokacin amfani da kuzari gabaɗaya:
(1) Wurin sabis na babban titin: kula da adadin caji mai sauri na yanzu, ƙayyadadden iyakar caji (kamar 90% -85% na kololuwa), da tabbatar da saurin caji na motocin tuƙi mai nisa.
(2) Tashoshin mai kusa da babbar hanyar shiga cikin manyan biranen birni: saita caji mai sauri mai ƙarfi, da iyakance iyakacin caji (kamar 90% -85% a kololuwa), a matsayin kari ga yankin sabis na sauri, kusa da tuki mai nisa na sababbin masu amfani da makamashi, yayin da yake haskaka buƙatun cajin birni / gari.Lura: Yawancin lokaci, tashar gas ɗin ƙasa tana sanye take da ƙarfin lantarki 250kVA, wanda zai iya kusan tallafawa tarin caji mai sauri 100kW a lokaci guda.
(3) Tashar iskar gas na birni/parkin buɗe ido: saita caji mai sauri mai ƙarfi don iyakance iyakar caji.A halin yanzu, PetroChina na tura wuraren caji da musanya cikin sauri a cikin sabon filin makamashi, kuma ana sa ran za a kara samar da karin gidajen mai da tulin caji cikin sauri a nan gaba.
Lura: Matsayin yanki na tashar iskar gas / filin ajiye motoci a buɗe kanta yana kusa da gefen hanya kuma fasalin gine-gine ya fi bayyane, wanda ya dace don cajin abokan ciniki da sauri samun tari kuma barin wurin da sauri.
06.Rubuta a karshen
A halin yanzu, tsarin 800V har yanzu yana fuskantar matsaloli masu yawa a farashi, fasaha da kayan more rayuwa. Waɗannan matsalolin ita ce hanya ɗaya tilo don ƙirƙira da haɓaka sabbin fasahar abin hawa makamashi da haɓaka masana'antu. mataki.
Kamfanonin kera motoci na kasar Sin, tare da karfin aikin injiniya cikin sauri da inganci, za su iya gane adadi mai yawa na saurin aiwatar da tsarin na'ura mai karfin V 800, da kuma jagorantar tafiyar da fasahar kere-kere a fannin sabbin motocin makamashi.
Har ila yau, masu siyar da kayayyaki na kasar Sin za su kasance na farko da za su ji dadin kwarewar motoci masu inganci da ci gaban fasaha ya kawo.Yanzu ba kamar zamanin motocin mai ba ne, lokacin da masu amfani da gida ke siyan tsofaffin samfura daga kamfanonin motoci na ƙasa da ƙasa, tsoffin fasaha ko kayan simintin fasaha.
Magana:
[1] Binciken Fasaha na Honda: Haɓaka Motoci da PCU don Tsarin HYBRID i-MMD SPORT
[2] Han Fen, Zhang Yanxiao, Shi Hao. Aikace-aikacen SiC MOSFET a cikin Boost circuit [J]. Kayan Aikin Masana'antu da Na'urar Automation, 2021(000-006).
[3] Koji Yamaguchi, Kenshiro Katsura, Tatsuro Yamada, Yukihiko Sato .High Power Density SiC-Based Inverter with a Power Density of 70 kW/liter or 50 kW/kg[J]. IEEJ Journal of Industry Applications
[4] Labarin Shawarwari na PGC: Karɓar Hannun SiC, Sashe na 1: bita na ƙimar ƙimar SiC da taswirar hanya don rage farashi
Lokacin aikawa: Oktoba-21-2022