chaja ụgbọ ala (OBC)
Chaja nọ n'ụgbọ ahụ na-ahụ maka ịtụgharị mgbanwe nke ugbu a ka ọ bụrụ ihe na-eduzi ugbu a iji chajịa batrị ike.
Ka ọ dị ugbu a, ụgbọ ala eletrik dị obere na ụgbọ ala A00 mini eletrik nwere chaja 1.5kW na 2kW, na ihe karịrị ụgbọ ala A00 nwere chaja 3.3kW na 6.6kW.
Ọtụtụ n'ime chaja AC nke ụgbọ ala azụmahịa na-eji 380Vatọ-adọ ulo oru ọkụ eletrik, na ike dị n'elu 10kW.
Dabere na data nyocha nke Gaogong Electric Vehicle Research Institute (GGII), na 2018, ọchịchọ maka ụgbọ ala ike ọhụrụ na chaja na China ruru 1.220,700 setịpụ, yana mmụba n'afọ n'afọ nke 50.46%.
Site n'echiche nke usoro ahịa ya, chaja nwere ike mmepụta ihe karịrị 5kW na-enwe oke ahịa nke ahịa, ihe dịka 70%.
Ndị isi mba ofesi na-emepụta chaja ụgbọ ala bụ Kesida,Emerson, Valeo, Infineon, Bosch na ụlọ ọrụ ndị ọzọ na na.
A na-ahụkarị OBC bụ nke nwere sekit ike (ihe ndị bụ isi gụnyere PFC na DC/DC) yana sekit njikwa (dị ka egosiri n'okpuru).
N'ime ha, isi ọrụ nke sekit ike bụ ịgbanwe alternating current ka ọ bụrụ ugbu a kwụsiri ike;The akara sekit bụ tumadi iji nweta nkwurịta okwu na batrị, na dị ka ina ịchịkwa ike mbanye sekit mmepụta a ụfọdụ voltaji na ugbu a.
Diodes na tubes na-agbanwe (IGBTs, MOSFETs, wdg) bụ ngwaọrụ semiconductor bụ isi nke ejiri na OBC.
Na ngwa nke silicon carbide ike ngwaọrụ, ntughari arụmọrụ nke OBC nwere ike iru 96%, na ike njupụta nwere ike iru 1.2W / cc.
A na-atụ anya na arụmọrụ a ga-abawanye ruo 98% n'ọdịnihu.
Ụdị topology nke chaja ụgbọ ala:
njikwa okpomọkụ nke ikuku oyi
Na usoro refrigeration nke eletriki ikuku ikuku, n'ihi na ọ dịghị engine, compressor kwesịrị ka ọkụ eletrik na-ebugharị, na mpịakọta eletriki compressor jikọtara ya na moto na njikwa na-eji ya eme ihe n'ọtụtụ ebe ugbu a, nke nwere oke arụmọrụ na ala dị ala. ọnụ ahịa.
Ịbawanye nrụgide bụ isi mmepe ntụziaka nkempịakọta compressors n'ọdịnihu.
Igwe ọkụ ikuku ikuku nke ụgbọ ala eletrik kwesịrị nlebara anya.
N'ihi enweghị engine dị ka isi iyi ọkụ, ụgbọ ala eletrik na-ejikarị PTC thermistors kpoo ọkụ.
Ọ bụ ezie na ngwọta a dị ngwa ngwa na okpomọkụ na-akpaghị aka na-agbanwe agbanwe, nkà na ụzụ na-eto eto karị, ma ọ dịghị mma bụ na ike oriri dị ukwuu, karịsịa na ebe oyi na-atụ mgbe ikpo ọkụ PTC nwere ike ime ka ihe karịrị 25% nke ntachi obi nke ụgbọ ala eletrik.
Ya mere, teknụzụ ikuku oyi na-ekpo ọkụ ejirila nwayọọ nwayọọ ghọọ ihe ngwọta ọzọ, nke nwere ike ịzọpụta ihe dịka 50% nke ume karịa atụmatụ ikpo ọkụ PTC na okpomọkụ nke ihe dịka 0 Celsius.
N'ihe banyere refrigerant, European Union's "Automotive Air Conditioning System Directive" akwalitela mmepe nke refrigerants ọhụrụ maka.ntụ oyi, na ngwa nke ikuku ikuku CO2 (R744) na GWP 0 na ODP 1 ejirila nwayọọ nwayọọ na-abawanye.
Tụnyere HFO-1234yf, HFC-134a na ndị ọzọ refrigerants naanị na -5 degrees n'elu nwere ezigbo obi jụrụ mmetụta, CO2 na -20 ℃ kpo oku ike arụmọrụ ruru ka nwere ike iru 2, bụ ọdịnihu nke electric ụgbọ okpomọkụ mgbapụta ikuku ntụ oyi ume arụmọrụ. bụ nhọrọ kacha mma.
Tebụl : Mmepe mmepe nke ihe refrigerant
Site na mmepe nke ụgbọ ala eletrik na mmelite nke uru nke usoro nchịkwa okpomọkụ, ohere ahịa nke njikwa ọkụ eletrik dị ukwuu.
Oge nzipu: Ọktoba 16-2023