Mumakore achangopfuura, kusimukira kuri kuwedzera kwemaindasitiri emagetsi matsva senge photovoltaic kuchengetedza uye mota dzemagetsi (EVs) zvakakonzera kuwedzera kwakanyanya kwekudiwa kweDC-Link capacitors. Muchidimbu, DC-Link capacitors inoita basa rakakosha mudunhu. Vanogona kusveta mapuruzi akakwira kumagumo ebhazi uye kutsvedzerera magetsi ebhazi, vachiona kuti IGBT neSiC MOSFET switch inodzivirirwa kubva kune yakashata mhedzisiro yeakakwira pulse currents uye yenguva pfupi voltages panguva yekushanda.
Sezvo magetsi ebhazi emotokari dzemagetsi matsva achiwedzera kubva pa400V kusvika pa800V, kudiwa kwemafirimu capacitor kwakawedzera zvakanyanya. Zvinoenderana nedata, iyo yakaiswa yemagetsi drive inverters yakavakirwa paDC-Link yakaonda-firimu capacitors yakasvika 5.1117 miriyoni seti muna 2022, inoverengera 88.7% yesimba rakaiswa remagetsi kutonga. Iwo madhiraivha emagetsi emakambani mazhinji anotungamira emagetsi akadai saTesla neNidec ese anoshandisa DC-Link mafirimu capacitors, ayo anoverengera 82.9% yenzvimbo yakaiswa uye yave sarudzo huru mumusika wemagetsi drive.
Mapepa ekutsvagisa anoratidza kuti musilicon IGBT hafu-bhiriji inverters, echinyakare electrolytic capacitors anowanzo shandiswa muDC link, asi voltage surges ichaitika nekuda kweiyo yakakwira ESR ye electrolytic capacitors. Zvichienzaniswa nesilicon-based IGBT mhinduro, SiC MOSFETs ine yakakwira switching frequency, saka voltage surge amplitude muDC link yehafu-bhiriji inverter yakakwira, izvo zvinogona kukonzera kuderera kwechishandiso kana kukuvadzwa, uye resonant frequency ye electrolytic capacitors ingori 4kHz, iyo isina kukwana kutora MOS ripple yeSiverC.
Naizvozvo, muDC zvikumbiro zvakaita semagetsi drive inverters uye photovoltaic inverters ine yakakwirira kuvimbika zvinodiwa,mafirimu capacitorskazhinji vanosarudzwa. Zvichienzaniswa nealuminium electrolytic capacitors, mabhenefiti ekuita kwavo akakwira voltage kuramba, yakaderera ESR, isiri-polarity, kuita kwakadzikama, uye hupenyu hurefu, nokudaro kuwana yakasimba ripple kuramba uye yakavimbika system dhizaini.
Masisitimu anoshandisa akatetepa-firimu capacitors anogona kutora mukana weiyo yakakwira frequency uye yakaderera kurasikirwa kweSiC MOSFETs uye kuderedza saizi uye huremu hwezvinhu zvisingaite. Ongororo yeWolfspeed inoratidza kuti 10kW silicon-based IGBT inverter inoda makumi maviri nemaviri aruminiyamu electrolytic capacitors, nepo 40kW SiC inverter inongoda 8 nhete-firimu capacitor, uye nzvimbo yePCB zvakare yakaderedzwa zvakanyanya.
Mukupindura kudiwa kwemusika, YMIN Electronics yakatanga iyoMDP yakatevedzana yefirimu capacitors, iyo inoshandisa tekinoroji yepamusoro uye zvemhando yepamusoro kuchinjika kuSiC MOSFET uye silicon-based IGBT. Iyo MDP yakatevedzana capacitors inoratidzira yakaderera ESR, yakakwira inomira voltage, yakaderera leakage ikozvino uye yakakwirira tembiricha kugadzikana.
Zvakanakira zveYMIN Electronics 'firimu capacitor zvigadzirwa:
YMIN Electronics 'firimu capacitor dhizaini inotora yakaderera ESR pfungwa yekudzikisa voltage kushushikana uye kurasikirwa kwesimba panguva yekuchinja uye kugadzirisa sisitimu simba rekuita. Iyo ine yakakwira rated voltage, inochinjika kune yakakwira voltage nharaunda, uye inovimbisa kugadzikana kwehurongwa.
Iyo MDP yakatevedzana capacitor ine huwandu hwehuwandu hwe1uF-500uF uye voltage renji ye500V kusvika 1500V. Vane yakaderera leakage ikozvino uye yakakwirira tembiricha kugadzikana. Kuburikidza nemhando yepamusoro yezvigadzirwa uye maitiro epamberi, chivakwa chinoshanda chekupisa kupisa chakagadzirirwa kuve nechokwadi chekushanda kwakadzikama pakupisa kwepamusoro, kuwedzera hupenyu hwebasa, uye kupa rutsigiro rwakavimbika rwemagetsi emagetsi masisitimu. Panguva imwecheteyo, theMDP series capacitorsane compact muhukuru, akakwira musimba remagetsi, uye anoshandisa maitiro ekugadzira matete-firimu kuvandudza kubatanidza sisitimu uye kushanda zvakanaka, kuderedza saizi uye uremu, uye kuwedzera kutakurika kwemidziyo uye kuchinjika.
YMIN Electronics DC-Link film capacitor series ine 30% yekuvandudza mudv/dt kushivirira uye 30% kuwedzera kwehupenyu hwebasa, iyo inovandudza kuvimbika kweSiC / GBT circuits, inounza zviri nani mari-inoshanda, uye inogadzirisa dambudziko remutengo.
Nguva yekutumira: Jan-10-2025