Doki mai kyau ya cancanci sirdi mai kyau! Don cikakken amfani da fa'idodin na'urorin SiC, ya zama dole a haɗa tsarin da'ira tare da capacitors masu dacewa. Daga babban abin sarrafawa a cikin motocin lantarki zuwa sabbin abubuwan makamashi masu ƙarfi kamar masu juyawa na hoto, masu ɗaukar fim a hankali suna zama na yau da kullun, kuma kasuwa cikin gaggawa yana buƙatar samfuran ayyuka masu tsada.
Kwanan nan, Shanghai Yongming Electronic Co., Ltd. ya ƙaddamar da masu samar da fina-finai na tallafi na DC, waɗanda ke da fa'idodi guda huɗu waɗanda suka sa su dace da IGBT na ƙarni na bakwai na Infineon. Hakanan suna taimakawa magance ƙalubalen kwanciyar hankali, dogaro, ƙaranci, da farashi a cikin tsarin SiC.
Masu ƙarfin fim suna cimma kusan kashi 90% shiga cikin manyan aikace-aikacen tuƙi. Me yasa SiC da IGBT suke buƙatar su?
A cikin 'yan shekarun nan, tare da saurin haɓaka sabbin masana'antu na makamashi kamar ajiyar makamashi, caji, da motocin lantarki (EVs), buƙatar masu amfani da DC-Link na karuwa da sauri. A taƙaice, DC-Link capacitors suna aiki azaman masu buffers a cikin da'irori, suna ɗaukar manyan igiyoyin bugun jini daga ƙarshen bas da daidaita wutar bas, don haka suna ba da kariya ga IGBT da SiC MOSFET masu sauyawa daga manyan igiyoyin bugun jini da tasirin wutar lantarki na wucin gadi.
Yawanci, ana amfani da capacitors na aluminum electrolytic a aikace-aikacen tallafi na DC. Koyaya, tare da ƙarfin bas na sabbin motocin makamashi yana ƙaruwa daga 400V zuwa 800V da tsarin hoto yana motsawa zuwa 1500V har ma da 2000V, buƙatun masu ƙarfin fim yana ƙaruwa sosai.
Bayanai sun nuna cewa a cikin 2022, ikon shigar da injin inverters na lantarki bisa ga masu sarrafa fina-finai na DC-Link ya kai raka'a miliyan 5.1117, wanda ya kai kashi 88.7% na jimlar shigar da ikon sarrafa lantarki. Manyan kamfanonin sarrafa lantarki irin su Fudi Power, Tesla, Fasahar Innovance, Nidec, da Wiran Power duk suna amfani da capacitors na fina-finai na DC-Link a cikin inverter ɗin su, tare da haɗakar ƙarfin shigar da aka haɗa har zuwa 82.9%. Wannan yana nuni da cewa masu sarrafa fina-finai sun maye gurbin masu amfani da wutar lantarki a matsayin babban abin da ke cikin kasuwar tuƙi ta lantarki.
Wannan saboda matsakaicin juriya na ƙarfin lantarki na aluminum electrolytic capacitors kusan 630V. A cikin babban ƙarfin lantarki da aikace-aikacen wutar lantarki sama da 700V, masu amfani da wutar lantarki da yawa suna buƙatar haɗa su a cikin jeri da layi ɗaya don saduwa da buƙatun amfani, wanda ke kawo ƙarin asarar makamashi, farashin BOM, da al'amuran dogaro.
Takardar bincike daga Jami'ar Malaysia ta nuna cewa ana amfani da masu amfani da wutar lantarki a cikin mahaɗin DC na silicon IGBT rabin gada inverters, amma ƙarfin wutar lantarki na iya faruwa saboda babban juriya na daidaitattun (ESR) na masu ƙarfin lantarki. Idan aka kwatanta da mafita na IGBT na tushen silicon, SiC MOSFETs suna da mitoci masu girma da yawa, wanda ke haifar da haɓaka haɓakar ƙarfin lantarki mafi girma a cikin hanyar haɗin DC na masu juyawa rabin gada. Wannan na iya haifar da lalacewar aikin na'urar ko ma lalacewa, saboda mitar wutar lantarki ta 4kHz ne kawai, wanda bai isa ya sha ripple na SiC MOSFET inverters na yanzu ba.
Sabili da haka, a cikin aikace-aikacen DC tare da buƙatun aminci mafi girma, kamar masu juyawa na lantarki da inverters na hoto, ana zabar capacitors na fim yawanci. Idan aka kwatanta da masu amfani da wutar lantarki na aluminum, fa'idodin aikin su sun haɗa da juriya mafi girma, ƙananan ESR, babu polarity, ƙarin aiki mai ƙarfi, da tsawon rayuwa, yana ba da damar ingantaccen tsarin ƙira tare da juriya mai ƙarfi.
Bugu da ƙari, yin amfani da capacitors na fim a cikin tsarin na iya maimaita yin amfani da babban mitoci, ƙananan fa'idodin asara na SiC MOSFETs, yana rage girman girman da nauyin abubuwan da ba a iya amfani da su ba (inductor, masu canza wuta, capacitors) a cikin tsarin. Dangane da binciken Wolfspeed, mai jujjuyawar IGBT na tushen silicon na 10kW yana buƙatar 22 aluminium electrolytic capacitors, yayin da 40kW SiC inverter kawai yana buƙatar capacitors na fim 8, yana rage girman PCB.
YMIN Ya Kaddamar da Sabbin Capacitors na Fim tare da Manyan Fa'idodi guda huɗu don Tallafawa Sabon Masana'antar Makamashi
Don magance buƙatun kasuwa na gaggawa, kwanan nan YMIN ta ƙaddamar da jerin shirye-shiryen MDP da MDR na masu tallafawa fina-finai na DC. Yin amfani da hanyoyin masana'antu na ci gaba da kayan aiki masu inganci, waɗannan capacitors sun dace daidai da buƙatun aiki na SiC MOSFETs da IGBT na tushen silicon daga shugabannin semiconductor na duniya kamar Infineon.
YMIN's MDP da MDR jerin capacitors film capacitors suna da fitattun siffofi da yawa: ƙananan juriya na daidaitattun daidaitattun (ESR), mafi girman ƙarfin lantarki, ƙananan yatsa na yanzu, da kwanciyar hankali mafi girma.
Da fari dai, masu ƙarfin fina-finai na YMIN suna da ƙaramin ƙirar ESR, yadda ya kamata rage ƙarfin ƙarfin lantarki yayin sauya SiC MOSFETs da IGBT na tushen silicon, ta haka yana rage asarar capacitor da haɓaka ingantaccen tsarin gabaɗaya. Bugu da ƙari, waɗannan capacitors suna da ƙimar ƙarfin lantarki mafi girma, mai iya jurewa mafi girman yanayin ƙarfin lantarki da tabbatar da ingantaccen tsarin aiki.
MDP da MDR jerin na YMIN film capacitors bayar da capacitance jeri na 5uF-150uF da 50uF-3000uF, da ƙarfin lantarki jeri na 350V-1500V da 350V-2200V, bi da bi.
Abu na biyu, sabbin capacitors na fim na YMIN suna da ƙarancin ɗigogi a halin yanzu da kwanciyar hankali mafi girma. A cikin yanayin tsarin kula da lantarki na abin hawa na lantarki, wanda yawanci yana da babban iko, sakamakon zafi na iya haifar da tasiri sosai ga rayuwar rayuwa da amincin masu karfin fim. Don magance wannan, jerin MDP da MDR daga YMIN sun haɗa da kayan aiki masu inganci da dabarun masana'antu na ci gaba don tsara ingantaccen tsarin thermal don masu haɓakawa. Wannan yana tabbatar da ingantaccen aiki ko da a cikin yanayin zafi mai zafi, yana hana lalata ƙimar capacitor ko gazawa saboda hauhawar zafin jiki. Bugu da ƙari kuma, waɗannan capacitors suna da tsawon rayuwa, suna samar da ingantaccen tallafi ga tsarin lantarki.
Na uku, MDP da MDR jerin capacitors daga YMIN suna da ƙaramin girma da ƙarfin ƙarfin ƙarfi. Misali, a cikin tsarin tuƙi na lantarki na 800V, yanayin shine a yi amfani da na'urorin SiC don rage girman capacitors da sauran abubuwan da ba za a iya amfani da su ba, don haka haɓaka ƙarancin sarrafa lantarki. YMIN ta yi amfani da fasahar kere kere na fina-finai, wanda ba wai kawai yana haɓaka tsarin haɗin kai da inganci ba amma har ma yana rage girman tsarin da nauyin nauyi, yana haɓaka haɓakawa da sassaucin na'urori.
Gabaɗaya, jerin capacitor fim na YMIN na DC-Link yana ba da haɓaka 30% a cikin ƙarfin jurewar dv/dt da haɓaka 30% a cikin rayuwar rayuwa idan aka kwatanta da sauran masu ƙarfin fim a kasuwa. Wannan ba wai kawai yana samar da ingantaccen aminci ga da'irori na SiC / IGBT ba amma kuma yana ba da ingantaccen farashi mai inganci, shawo kan shingen farashin a cikin aikace-aikacen tartsatsin fina-finai.
A matsayin majagaba na masana'antu, YMIN ya kasance mai zurfi a cikin filin capacitor fiye da shekaru 20. An yi amfani da ƙarfin ƙarfin ƙarfin ƙarfinsa a tsaye a cikin manyan filaye kamar su kan OBC, sabbin cajin makamashi, inverter na photovoltaic, da mutummutumi na masana'antu tsawon shekaru da yawa. Wannan sabon ƙarni na fim capacitor kayayyakin warware daban-daban kalubale a cikin film capacitor samar da tsari sarrafawa da kayan aiki, ya kammala AMINCI takardar shaida tare da manyan duniya Enterprises, da kuma cimma manyan-sikelin aikace-aikace, tabbatar da samfurin ta AMINCI ga mafi girma abokan ciniki. A nan gaba, YMIN za ta yi amfani da tarin fasaha na dogon lokaci don tallafawa ci gaba da sauri na sabon masana'antar makamashi tare da babban abin dogaro da samfuran capacitor masu tsada.
Don ƙarin bayani, da fatan za a ziyarciwww.ymin.cn.
Lokacin aikawa: Jul-07-2024