A cikin 'yan shekarun nan, haɓakar haɓakar sabbin masana'antu na makamashi irin su ajiyar hoto da kuma motocin lantarki (EVs) sun haifar da karuwa mai yawa a cikin bukatar DC-Link capacitors. A takaice, DC-Link capacitors suna taka muhimmiyar rawa a cikin kewaye. Za su iya ɗaukar igiyoyin bugun jini mai tsayi a ƙarshen bas kuma su daidaita wutar lantarki ta bas, suna tabbatar da cewa IGBT da SiC MOSFET masu sauyawa suna da kariya daga mummunan tasirin igiyoyin bugun jini da ƙarfin ɗan lokaci yayin aiki.
Yayin da wutar lantarkin bas na sabbin motocin makamashi ke ƙaruwa daga 400V zuwa 800V, buƙatar masu ƙarfin fim ya karu sosai. Dangane da bayanai, ikon shigar da injin inverters na lantarki bisa ga DC-Link bakin ciki-film capacitors ya kai saiti miliyan 5.1117 a cikin 2022, wanda ya kai kashi 88.7% na ikon sarrafa wutar lantarki. Masu juyawa na manyan kamfanonin sarrafa wutar lantarki irin su Tesla da Nidec duk suna amfani da capacitors na fim na DC-Link, wanda ke da kashi 82.9% na ƙarfin da aka shigar kuma ya zama zaɓi na yau da kullun a cikin kasuwar tuƙi ta lantarki.
Takardun bincike sun nuna cewa a cikin masu juyawa na rabin gada na silicon IGBT, ana amfani da capacitors na al'ada na gargajiya a cikin hanyar haɗin DC, amma hawan wutar lantarki zai faru saboda babban ESR na masu ƙarfin lantarki. Idan aka kwatanta da silicon na tushen IGBT mafita, SiC MOSFETs suna da mafi girma sauyawa mita, don haka da ƙarfin lantarki karuwa amplitude a cikin DC mahada na rabin gada inverter ne mafi girma, wanda zai iya haifar da na'urar yi lalatar ko ma lalacewa, da kuma resonant mita na electrolytic capacitors ne kawai 4kHz, wanda bai isa ya sha na yanzu ripple na Siverters MOSFET.
Saboda haka, a cikin aikace-aikacen DC irin su masu juyawa masu motsi na lantarki da inverter na photovoltaic tare da buƙatun aminci mafi girma,fim capacitorsyawanci ana zaba. Idan aka kwatanta da aluminum electrolytic capacitors, su yi abũbuwan amfãni ne mafi girma irin ƙarfin lantarki juriya, m ESR, rashin polarity, mafi barga yi, da kuma tsawon rai, don haka samun karfi ripple juriya da kuma mafi m tsarin ƙira.
Tsarika ta amfani da capacitors na fim na bakin ciki na iya yin amfani da babban mitar da ƙarancin asarar SiC MOSFETs da rage girman da nauyin abubuwan da ba a iya amfani da su ba. Binciken Wolfspeed ya nuna cewa IGBT inverter na tushen silicon 10kW yana buƙatar 22 aluminum electrolytic capacitors, yayin da 40kW SiC inverter kawai yana buƙatar capacitors na bakin ciki 8, kuma yankin PCB kuma ya ragu sosai.
Dangane da bukatar kasuwa, YMIN Electronics ya ƙaddamar daMDP jerin capacitors na fim, wanda ke amfani da fasaha mai mahimmanci da kayan inganci don dacewa da SiC MOSFET da IGBT na tushen silicon. The MDP jerin capacitors ƙunshi low ESR, high jure ƙarfin lantarki, low yayyo halin yanzu da high zafin jiki kwanciyar hankali.
Amfanin YMIN Electronics' kayayyakin capacitor na fim:
YMIN Electronics 'fim capacitor zane yana ɗaukar ƙananan ra'ayi na ESR don rage damuwa na ƙarfin lantarki da asarar makamashi yayin sauyawa da inganta ingantaccen makamashi na tsarin. Yana da babban ƙarfin lantarki mai ƙima, yana dacewa da yanayin yanayin ƙarfin lantarki, kuma yana tabbatar da kwanciyar hankali na tsarin.
MDP jerin capacitors suna da damar iya aiki na 1uF-500uF da kewayon ƙarfin lantarki daga 500V zuwa 1500V. Suna da ƙananan ɗigogi na halin yanzu da kwanciyar hankali mafi girma. Ta hanyar kayan aiki masu inganci da matakai masu tasowa, an tsara ingantaccen tsarin watsar da zafi don tabbatar da ingantaccen aiki a yanayin zafi mai zafi, tsawaita rayuwar sabis, da kuma samar da ingantaccen tallafi ga tsarin lantarki. A lokaci guda, daMDP jerin capacitorssuna da ƙanƙanta a cikin girman, girman ƙarfin ƙarfi, kuma suna amfani da sabbin hanyoyin masana'anta na bakin ciki don haɓaka tsarin haɗin kai da inganci, rage girman da nauyi, da haɓaka ɗaukar kayan aiki da sassauci.
YMIN Electronics DC-Link jerin capacitor film capacitor yana da 30% ingantawa a dv / dt haƙuri da kuma 30% karuwa a rayuwar sabis, wanda ya inganta amincin SiC / IGBT da'irori, ya kawo mafi kyawun farashi, kuma yana magance matsalar farashin.
Lokacin aikawa: Janairu-10-2025