Iyini iyunithi yokusabalalisa amandla kagesi aphezulu yezimoto
Iyunithi yokusabalalisa amandla aphezulu ezimoto (i-PDU) iyisici esiyinhloko ohlelweni olunamandla aphezulu lwezimoto ezintsha zamandla, olunesibopho esikhulu sokusatshalaliswa kwamandla nokuphathwa ukuqinisekisa ukusebenza okuphephile nokuzinzile kwezingxenye zezimoto ezinamandla aphezulu.
Imisebenzi eyinhloko
I-Youdaoplaceholder0 Ukusatshalaliswa kwamandla nokuphathwa : Sabalalisa ngokuphephile i-high-voltage direct current kumishini kagesi ehlukahlukene, njenge-drive motors, izinhlelo zokushaja, njll.
Ukulawula ukushaja nokukhipha kwe-Youdaoplaceholder0: Uphatha inqubo yokushaja nokukhipha uhlelo lwe-high-voltage, okuhlanganisa ukuvikelwa kokulayisha ngokweqile, ukuvikelwa kwe-short-circuit kanye nomsebenzi wokuthatha amasampula we-high-voltage.
Ukulawula kwe-Youdaoplaceholder0 okuphansi kwamandla kagesi : ukulawula amandla kanye nokuqapha isimo sezingxenye ze-voltage ephezulu ngokusebenzisa amasekethe e-voltage ephansi.
Umklamo wokusabalalisa ukushisa we-Youdaoplaceholder0 : Amanye ama-PDU asebenzisa izakhiwo zokupholisa amanzi noma zokupholisa umoya ukuqinisekisa izidingo zokusabalalisa ukushisa kwezingxenye ze-high-voltage.
Izici zesakhiwo
I-PDU ingahlanganisa imisebenzi efana namamojula okuguqulwa kwe-DC-DC, amamojula e-OBC okushaja, kanye nokulawula okuyinhloko kwe-BMS, kufezwe umklamo ohlanganiswe kakhulu. Isibonelo, amamojula amathathu kwelinye kanye namamojula amane kwelinye angahlanganisa amayunithi amaningi asebenzayo ukuze kuhlangatshezwane nezidingo zamamodeli ezimoto ahlukene.
Iyunithi yokusabalalisa amandla aphezulu ezimoto (i-PDU) iyithuluzi lokulawula eliyinhloko lesistimu yamandla aphezulu ezimotweni ezintsha zamandla, ikakhulukazi eqaphela imisebenzi yokusabalalisa amandla nokuvikela ukuphepha. Imisebenzi yayo eyinhloko elandelayo:
Ukusatshalaliswa kwamandla kagesi aphezulu
I-PDU isabalalisa ugesi oqondile we-high-voltage (300-800V) ophuma ngebhethri lamandla ezingxenyeni ezibalulekile njenge-drive motor, i-on-board charger (OBC), i-DC/DC converter, kanye ne-electric air conditioning compressor. Isibonelo, isilawuli se-drive motor sithatha cishe u-60% womkhiqizo kagesi, kanti okunye kubekelwe izinhlelo ezisizayo njengokushaja nokushisa.
Indlela yokuvikela ukuphepha
Kubandakanya ukuvikelwa kokushisa ngokweqile, ukujikeleza okufushane, ukuvikela ugesi ngokweqile kanye nokushisa ngokweqile:
Ukuvikelwa kwe-Youdaoplaceholder0 overcurrent : Uma i-current idlula u-120% wenani elilinganiselwe imizuzwana emi-2, i-contactor eyinhloko iyanqanyulwa bese i-fuse ishaywa
Ukuvikelwa kwe-Youdaoplaceholder0 Short-circuit : Uma i-impedance ingaphansi kuka-100mΩ, i-circuit iyanqanyulwa kuma-microseconds
Ukuvikelwa kokushisa okweqile kwe-Youdaoplaceholder0: Uma izinga lokushisa le-copper busbar lidlula i-110℃, kuzonciphisa kancane kancane umthwalo noma kunqamule amandla
Ukutholwa kokufakwa kokufakwa kwe-Youdaoplaceholder0 : kungabona ingozi yokwehluleka kokufakwa kokufakwa kwe-insulation <500Ω/V futhi kubangele i-alamu
Ukuhlanganiswa nokulawulwa kwesistimu
Ihlanganisa imodyuli yokuguqulwa kwe-DC/DC, iyunithi yokulawula ukushaja kanye nomsebenzi wokulawula oyinhloko we-BMS, futhi isekela ukwakheka kwemodyuli. Imiyalelo ye-VCU itholwa ngebhasi le-CAN ukuze kufezwe ukulawulwa kokulandelana kwamandla/ukuvala kwesekethe ye-voltage ephezulu (isikhathi sokuphendula <50ms), futhi isu lokusabalalisa amandla lilungiswa ngokuguquguqukayo (njengokubeka phambili ukuvalwa kwemithwalo engabalulekile ngesikhathi sokushaja).
Izinkomba zokusebenza
Ukusebenza kahle kokusabalalisa ≥98% (umthwalo ongaphansi kokulinganiswa)
Amandla okuvikela angamelana ne-2500V AC imizuzwana engama-60 ngaphandle kokuphazamiseka
Impilo yomshini we-high-voltage relay ingaphezu kwemijikelezo eyi-100,000
Isekela umsebenzi wokufanisa umthwalo oguquguqukayo (ukunciphisa ukusetshenziswa kwamandla ngo-5-8%)
Amaphutha eyunithi yokusabalalisa i-high-voltage yemoto avame ukuholela ezinhlelweni zamandla ezingavamile, ukuphazamiseka kokushaja noma ukulimala kwezingxenye zikagesi, okubonakala ngqo kanje:
Isenzakalo sephutha
Ukwehluleka kwesistimu yamandla ye-Youdaoplaceholder0: Imoto ayikwazi ukusheshisa ngokujwayelekile, futhi isivinini esiphezulu sinqunyelwe (isibonelo, isivinini esisesimeni singamakhilomitha angu-40/h kuphela)
I-Youdaoplaceholder0 Ukushaja okungajwayelekile : Ukushaja kwe-AC/DC kuphazamisekile noma akukwazi ukuqaliswa (hlola amaphutha kulayini we-contactor yokushaja noma inzwa)
I-alamu ye-Youdaoplaceholder0 I-alamu yensimbi : Ibonisa "Iphutha lesistimu ye-voltage ephezulu" noma "iphutha lesistimu yamandla" isaziso
Ukuvikelwa kwezingxenye zikagesi ze-Youdaoplaceholder0 : Uhlelo lusika ngokuzenzakalelayo isekethe ye-high-voltage ukuvimbela umonakalo owengeziwe (njengabalawuli bezimoto, amabhethri kagesi, njll.)
Izimbangela ezivamile
Isekethe evulekile ye-Youdaoplaceholder0 ene-voltage ephezulu: izimpawu zokuqapha ezingavamile zibangela ukukhiya kwesistimu (njengokuxhumana okungekuhle komugqa, ukukhubeka kwe-circuit breaker)
Amaphutha angaphakathi ebhokisi lokusabalalisa: i-contactor yebhokisi lokusabalalisa elinamandla aphezulu iyabhajwa, futhi ukutholwa kokuvuza kwehluleka
I-Youdaoplaceholder0 I-short circuit noma i-overload : umonakalo kungqimba lokufakelwa kwe-wiring harness ye-high-voltage kubangela i-short circuit eya phansi
Izindlela zokuxilonga
I-Youdaoplaceholder0 Funda ikhodi yephutha : Thola ikhodi yephutha ethile (njenge-P1E0300, B042900) nge-decoder
Ukuhlolwa kwesimo se-signal ye-Youdaoplaceholder0 : Qapha ukuthi isignali yomjikelezo womsebenzi wesekethe ye-interlock ene-voltage ephezulu ijwayelekile (kudingeka imishini yobungcweti)
Ukuqinisekiswa kokuhlolwa kwesekethe ye-Youdaoplaceholder0 : Bheka impendulo yezingxenye zikagesi (njengesimo sokunikezwa kwamandla sesilawuli semoto) ezimweni zephutha elilingisiwe
Kunconywa ukuthi uxhumane nesikhungo sokulungisa esingochwepheshe ukuze uthole ukuhlolwa kwesekethe enamandla aphezulu ukuze ugweme izingozi zokuphepha ezingaba khona ezibangelwa ukuziqaqa.
Uma ufuna ukwazi okwengeziwe, qhubeka ufunda ezinye izihloko ezikulesi siza!
Sicela usishayele ucingo uma udinga imikhiqizo enjalo.
Inkampani Zhuo Meng Shanghai Auto Co., Ltd. uzibophezele ekuthengiseni i-MG&I-MAXUSizingxenye zezimoto zamukelekile ukuthenga.
