Wurin mota yana ɗaya daga cikin mafi munin yanayi don kayan lantarki. Na yauEV cajaƙira ta yaɗu tare da na'urorin lantarki masu mahimmanci, gami da sarrafa lantarki, bayanan bayanai, ji, fakitin baturi, sarrafa baturi,lantarki abin hawa batu, da caja a kan jirgi. Bugu da ƙari ga zafi, ƙarfin wutar lantarki, da tsangwama na lantarki (EMI) a cikin yanayin mota, caja a kan jirgin dole ne ya yi mu'amala da grid na AC, yana buƙatar kariya daga hargitsin layin AC don ingantaccen aiki.
Masu kera abubuwan yau da kullun suna ba da na'urori da yawa don kiyaye da'irori na lantarki. Saboda haɗin kai zuwa grid, kariyar caja a kan jirgi daga hawan wutar lantarki ta amfani da abubuwan musamman yana da mahimmanci.
Magani na musamman ya haɗu da SIDACtor da Varistor (SMD ko THT), yana kaiwa ƙaramin ƙarfin matsawa a ƙarƙashin babban bugun bugun jini. Haɗin SIDACtor + MOV yana ba injiniyoyin kera motoci damar haɓaka zaɓin kuma sabili da haka, farashin semiconductors na wutar lantarki a cikin ƙira. Ana buƙatar waɗannan sassa don juyar da wutar lantarki ta AC zuwa wutar lantarki ta DC don cajin abin hawacajin baturi a kan jirgi.
Hoto 1. Zane na Kan-Board Caja Block
The On-BoardCaja(OBC) yana cikin haɗari lokacinEV cajisaboda fallasa abubuwan da suka faru na wuce gona da iri da ka iya faruwa akan grid ɗin wutar lantarki. Dole ne ƙira ta kare ikon semiconductor daga wuce gona da iri saboda ƙarfin lantarki sama da iyakar iyakarsu na iya lalata su. Don tsawaita amincin EV da tsawon rayuwa, injiniyoyi dole ne su magance haɓaka buƙatun yanzu da ƙananan matsakaicin matsa lamba a cikin ƙirar su.
Misalin tushen wutar lantarki na wucin gadi sun haɗa da masu zuwa:
Canjawa na capacitive lodi
Canjawar ƙananan tsarin wutar lantarki da da'irori masu resonant
Gajerun kewayawa sakamakon gini, hadurran ababen hawa, ko hadari
Fuskoki masu tayar da hankali da kariyar wuce gona da iri.
Hoto 2. Da'irar da aka Ba da Shawarar Don Daban-daban da Yanayin gama gari Kariyar Wutar Wutar Wuta ta Amfani da MOVs da GDT.
An fi son MOV 20mm don ingantaccen aminci da kariya. MOV 20mm tana ɗaukar nau'ikan bugun jini 45 na 6kV/3kA haɓaka halin yanzu, wanda ya fi ƙarfi fiye da MOV 14mm. Faifan 14mm zai iya ɗaukar kusan 14 surges a tsawon rayuwarsa.
Hoto 3. Ayyukan Matsawa Na Ƙananan lnfuse V14P385AUTO MOV Ƙarƙashin 2kV Da 4kV Surges. Hasken ƙwayoyin cuta ya wuce 1000v.
Misali ƙayyadaddun zaɓi
Caja mataki na 1-120VAC, da'irar lokaci-ɗaya: Yanayin yanayin da ake tsammanin shine 100 ° C.
Don ƙarin koyo game da amfani da SIDACt ko Kariya Thyristors amotocin lantarki, zazzage Yadda Ake Zaɓan Mafi kyawun Kariyar Canjin Canjin Canjin Canjin aikace-aikacen EV On-Board Chargers, ladabi na Little fuse, Inc.
Lokacin aikawa: Janairu-18-2024