Bhiza rakanaka rinofanirwa nechigaro chakanaka! Kuti ukwidze zvakazara zvakanakira zveSiC zvishandiso, zvinodikanwa zvakare kubatanidza dunhu redunhu neakakodzera capacitor. Kubva pane chikuru chekutyaira mumotokari dzemagetsi kusvika kune yakakwirira-simba masimba matsva senge photovoltaic inverters, mafirimu capacitor ari kuita zvishoma nezvishoma, uye musika unoda nekukurumidza zvigadzirwa zvinodhura.
Munguva ichangopfuura, Shanghai Yongming Electronic Co., Ltd. yakatanga DC inotsigira mafirimu capacitors, ayo ane mabhenefiti mana akanyanya kuita kuti ave akakodzera Infineon yechinomwe-chizvarwa IGBTs. Ivo zvakare vanobatsira kugadzirisa matambudziko ekugadzikana, kuvimbika, miniaturization, uye mutengo muSiC masisitimu.
Firimu capacitors vanowana ingangoita 90% kupinda mune main drive application. Sei SiC neIGBT vachizvida?
Mumakore achangopfuura, nekukurumidza kukura kwemaindasitiri emagetsi matsva akadai sekuchengetedza magetsi, kuchaja, uye mota dzemagetsi (EVs), kudiwa kweDC-Link capacitors kuri kuwedzera nekukurumidza. Zvichitaurwa zviri nyore, DC-Link capacitors inoita semabhafa mumaseketi, inotora mapuruzi akakwira kubva kumagumo ebhazi uye inotsvedzerera magetsi ebhazi, nekudaro ichidzivirira IGBT neSiC MOSFET switch kubva kune yakakwira pulse currents uye zvenguva pfupi voltage zvinokanganisa.
Kazhinji, aluminium electrolytic capacitors anoshandiswa muDC kutsigira maapplication. Nekudaro, nevoltage yebhazi yemotokari nyowani dzinowedzera kubva pa400V kuenda ku800V uye mafotovoltaic masisitimu anoenda ku1500V uye kunyangwe 2000V, kudiwa kwemafirimu capacitor kuri kukwira zvakanyanya.
Dhata inoratidza kuti muna 2022, iyo yakaiswa yemagetsi drive inverters yakavakirwa paDC-Link film capacitors yakasvika 5.1117 miriyoni mayunitsi, achiverengera 88.7% yehuwandu hwakaiswa huwandu hwemagetsi ekutonga. Makambani anotungamira emagetsi ekudzora akadai seFudi Power, Tesla, Inovance Technology, Nidec, uye Wiran Power ese anoshandisa DC-Link mafirimu capacitor mumadhiraivha avo edhiraivha, ane akasanganiswa akaiswa simba reshiyo inosvika 82.9%. Izvi zvinoratidza kuti mafirimu capacitor akatsiva electrolytic capacitor seyakanyanya mumusika wemagetsi drive.
Izvi zvinodaro nekuti iyo yakanyanya voltage resistance yealuminium electrolytic capacitors inenge 630V. Mumagetsi akakwira uye maapplications emagetsi akakwira pamusoro pe700V, akawanda electrolytic capacitor anoda kubatanidzwa munhevedzano uye anoenderana kusangana nezvinodiwa zvekushandisa, izvo zvinounza kumwe kurasikirwa kwesimba, BOM mutengo, uye nyaya dzekuvimbika.
Bepa rekutsvagisa kubva kuYunivhesiti yeMalaysia rinoratidza kuti maelectrolytic capacitors anowanzo shandiswa muDC link yesilicon IGBT hafu-bhiriji inverters, asi voltage surges inogona kuitika nekuda kweiyo yakakwira yakaenzana nhevedzano kuramba (ESR) ye electrolytic capacitors. Kuenzaniswa nesilicon-yakavakirwa IGBT mhinduro, SiC MOSFETs ine yakakwirira switching frequency, zvichikonzera yakakwira voltage surge amplitudes muDC link yehafu-bhiriji inverters. Izvi zvinogona kutungamira kukudzikisira kuita kwechishandiso kana kukuvadzwa, sezvo resonant frequency ye electrolytic capacitors ingori 4kHz, haina kukwana kutora ripple iripo yeSiC MOSFET inverters.
Naizvozvo, muDC zvikumbiro zvine kuvimbika kwepamusoro zvinodiwa, senge emagetsi drive inverters uye photovoltaic inverters, mafirimu capacitors anowanzo kusarudzwa. Kuenzaniswa nealuminium electrolytic capacitors, mabhenefiti ekuita kwavo anosanganisira yakakwira voltage kuramba, yakaderera ESR, isina polarity, kuita kwakadzikama, uye hupenyu hurefu, zvichiita kuti yakavimbika system dhizaini ine yakasimba ripple kuramba.
Pamusoro pezvo, kushandisa mafirimu capacitor muhurongwa kunogona kudzokorodza kuwedzera-frequency, yakaderera-kurasikirwa zvakanaka zveSiC MOSFETs, zvakanyanya kuderedza saizi uye huremu hwezvinhu zvisingaite (inductors, transformers, capacitors) muhurongwa. Sekureva kweWolfspeed research, 10kW silicon-based IGBT inverter inoda makumi maviri nemaviri aluminium electrolytic capacitors, nepo 40kW SiC inverter inongoda 8 mafirimu capacitor, ichideredza zvakanyanya nzvimbo yePCB.
YMIN Inotangisa Nyowani Firimu Capacitor Iine Zvina Zvikuru Zvakanakira Kutsigira Idzva Indasitiri Yemagetsi
Kugadzirisa zvinodiwa nemusika nekukurumidza, YMIN ichangobva kuburitsa iyo MDP uye MDR yakatevedzana yeDC inotsigira mafirimu capacitors. Ichishandisa maitiro ekugadzira epamberi uye zvemhando yepamusoro, aya ma capacitor anonyatso kuenderana nezvinodiwa zvekushandisa zveSiC MOSFETs uye silicon-based IGBTs kubva kune epasi rose simba semiconductor vatungamiriri vakaita seInfineon.
YMIN's MDP uye MDR akatevedzana firimu capacitors ane akati wandei anocherekedza maficha: yakaderera yakaenzana nhevedzano kuramba (ESR), yakakwirira yakatemerwa voltage, yakaderera leakage ikozvino, uye yakakwirira tembiricha kugadzikana.
Chekutanga, YMIN's film capacitors inoratidzira yakaderera ESR dhizaini, inonyatso kudzikisa kushushikana kwemagetsi panguva yekuchinja kweSiC MOSFETs uye silicon-based IGBTs, nekudaro ichidzikisa kurasikirwa kwecapacitor uye kuvandudza mashandiro ehurongwa hwese. Pamusoro pezvo, aya ma capacitor ane yakakwira rated voltage, inokwanisa kumirisana nemamiriro emagetsi epamusoro uye nekuona kugadzikana kwehurongwa hwekushanda.
Iyo MDP neMDR yakatevedzana yeYMIN film capacitors inopa capacitance siyana dze5uF-150uF uye 50uF-3000uF, uye voltage renji dze350V-1500V uye 350V-2200V, zvichiteerana.
Kechipiri, YMIN's ichangoburwa firimu capacitors ine yakaderera leakage ikozvino uye yakakwirira tembiricha kugadzikana. Panyaya yemagetsi emagetsi emagetsi ekudzora masisitimu, ayo anowanzo ane simba rakawanda, mhedzisiro yekupisa chizvarwa inogona kukanganisa zvakanyanya hupenyu uye kuvimbika kwemafirimu capacitors. Kuti zvigadzirise izvi, iyo MDP uye MDR yakatevedzana kubva kuYMIN inosanganisa zvemhando yepamusoro zvinhu uye zvemhando yepamusoro nzira dzekugadzira kugadzira yakagadziridzwa yekupisa chimiro kune capacitor. Izvi zvinogonesa kuita kwakadzikama kunyangwe munzvimbo dzekupisa kwepamusoro, kudzivirira kuderedzwa kwecapacitor kukosha kana kutadza nekuda kwekukwira kwekushisa. Uyezve, aya ma capacitor ane hupenyu hurefu, achipa rutsigiro rwakavimbika rwemagetsi masisitimu.
Chechitatu, iyo MDP uye MDR yakatevedzana capacitors kubva kuYMIN inoratidzira diki saizi uye yakakwirira simba density. Semuyenzaniso, mu800V magetsi ekutyaira masisitimu, maitiro ndeekushandisa maSiC midziyo kuderedza saizi yemacapacitor uye zvimwe zvinhu zvinopinda, zvichisimudzira miniaturization yemagetsi ekutonga. YMIN yakashandisa tekinoroji yekugadzira firimu, iyo isingango wedzera iyo yakazara sisitimu yekubatanidza uye kugona asi zvakare inoderedza saizi yehurongwa uye huremu, ichiwedzera kutakurika uye kuchinjika kwemidziyo.
Pakazere, YMIN's DC-Link film capacitor series inopa 30% kuvandudzwa mudv/dt kushingirira kugona uye ne30% kuwedzera kwehupenyu uchienzaniswa nemamwe mafirimu capacitor pamusika. Izvi hazvingopi chete kuvimbika kuri nani kweSiC / IGBT maseketi asiwo zvinopa zviri nani mutengo-unoshanda, kukunda zvipingamupinyi zvemutengo mukupararira kwekushandiswa kwemafirimu capacitors.
Semupiyona weindasitiri, YMIN anga akabatanidzwa zvakanyanya mumunda wecapacitor kwemakore anopfuura makumi maviri. Iyo yakakwira-voltage capacitor yakaiswa zvakatsiga muminda-yekupedzisira senge onboard OBC, mitsva yekuchaja simba, photovoltaic inverters, uye marobhoti eindasitiri kwemakore mazhinji. Ichi chizvarwa chitsva chemufirimu capacitor zvigadzirwa zvinogadzirisa matambudziko akasiyana mufirimu capacitor yekugadzira process control uye michina, yapedza kuvimbika chitupa nemabhizinesi epasirese anotungamira, uye yakawana yakakura-scale application, zvichiratidza kuvimbika kwechigadzirwa kune vakakura vatengi. Mune ramangwana, YMIN ichakwidziridza kuunganidza kwayo kwenguva refu kwehunyanzvi kutsigira kukurumidza kusimudzira kweindasitiri yesimba nyowani ine kuvimbika kwepamusoro uye inodhura-inoshanda capacitor zvigadzirwa.
Kuti uwane rumwe ruzivo, ndapota shanyawww.ymin.cn.
Nguva yekutumira: Jul-07-2024