Technical Deep Dive | Ko DC-Link Film Capacitors Inogona Sei Kugadzirisa Voltage Surge uye Kuvimbika Matambudziko mu800V Electric Drive Platforms?

 

Nhanganyaya

Sezvo 800V yakakwira-voltage mapuratifomu anove akajairwa mumotokari nyowani dzesimba, magetsi emagetsi madhiraivha ari kuisa zvinodikanwa zvakanyanya pane yakakwirira-frequency maitiro eDC-Link capacitors. Traditional aluminum electrolytic capacitors, inoganhurirwa neiyo yakakwira ESR uye frequency mhinduro, inowanzoitika kune voltage surges, kudzikisira mashandiro ehurongwa uye kukanganisa kushanda kwakazara kweSiC zvishandiso.

Schematic diagram yenzvimbo yeDC-Link capacitormune inverter

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YMIN Firimu Capacitor Solutions

- Root Cause Technical Analysis - Nekuda kwehunhu hwadzo uye maumbirwo, aruminiyamu electrolytic capacitor inowanzova yakakwira ESR uye yakaderera-yega-resonant frequency (kazhinji inongotenderedza 4kHz). Pasi pe-high-frequency switching operations, kukwanisa kwavo kutora high-frequency ripple current hakuna kukwana, kunokonzera nyore kuchinja kwemagetsi ebhazi, izvo zvinokanganisa kugadzikana kwehurongwa uye hupenyu hwemagetsi emagetsi. - YMIN Solutions uye Maitiro Mabhenefiti -YMIN's MDP seriesfilm capacitors utilize metallized polypropylene film material uye innovative winding process kuti vabudirire kunotevera kuvandudzwa kwekuita: ESR inoderedzwa kusvika pamillionhm level, zvakanyanya kuderedza kuchinja kurasikirwa; iyo resonant frequency inowedzerwa kusvika makumi e kHz, inoenderana zvizere kune yakakwirira-frequency application zvinodiwa zveSiC/MOSFETs; uye zvakanakira zvavo zvinosanganisira high stand voltage, low leakage current, uye hupenyu hurefu, zvichiita kuti dzinyatsokodzera high-voltage, high-frequency operating environments.

-Kuongororwa kwedata uye Kuvimbika Tsananguro -

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Mamiriro ekushandisa uye akakurudzirwa Models -

Typical Application Case: Iyo hombe automaker's 800V yemagetsi drive chikuva inoshandisa sere MDP-800V-15μF capacitor muDC-Link dunhu reiyo main drive inverter, ichibudirira kutsiva yekutanga mhinduro's 22 450V aluminium electrolytic capacitors. Izvi zvinoderedza nzvimbo yePCB nepamusoro pe50%, zvinoderedza simba rebhazi repamusoro ne40%, uye zvinonatsiridza mashandiro ehurongwa hwepamusoro nechikamu chingangoita 1.5%. - Inokurudzirwa Mienzaniso -

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Mhedziso
Iyo YMIN MDP yakatevedzana haingori yakakwira-performance capacitor asiwo yakakosha voltage regulator mune yakakwira-voltage, yakakwira-frequency masisitimu. Inogona kubatsira mainjiniya kugadzirisa matambudziko ekugadzira uye kunyatsovandudza mashandiro ehurongwa uye kuvimbika.


Nguva yekutumira: Sep-29-2025