Kusiyana Pakati pa BJTs ndi MOSFETs mu Battery Management Systems (BMS)

1. Bipolar Junction Transistors (BJTs):

(1) Kapangidwe:BJTs ndi zida za semiconductor zokhala ndi maelekitirodi atatu: maziko, emitter, ndi otolera. Amagwiritsidwa ntchito makamaka kukulitsa kapena kusintha ma siginecha. Ma BJT amafunikira kulowetsa pang'ono kumunsi kuti athe kuwongolera kuthamanga kwakukulu pakati pa osonkhanitsa ndi emitter.

(2) Ntchito mu BMS: In BMSmapulogalamu, ma BJT amagwiritsidwa ntchito pazomwe akukulitsa. Amathandizira kuyang'anira ndikuwongolera kayendetsedwe kake mkati mwadongosolo, kuwonetsetsa kuti mabatire amalipitsidwa ndikutulutsidwa bwino komanso mosamala.

(3) Makhalidwe:Ma BJT ali ndi phindu lalikulu pakalipano ndipo ndi othandiza kwambiri pamapulogalamu omwe amafunikira kuwongolera komwe kulipo. Nthawi zambiri amakhudzidwa kwambiri ndi kutentha ndipo amatha kuvutika ndi kutha kwamphamvu kwambiri poyerekeza ndi ma MOSFET.

2. Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs):

(1) Kapangidwe:Ma MOSFET ndi zida za semiconductor zomwe zili ndi ma terminals atatu: chipata, gwero, ndi kukhetsa. Amagwiritsa ntchito ma voltage kuwongolera kuthamanga kwamagetsi pakati pa gwero ndi kukhetsa, zomwe zimapangitsa kuti zikhale zogwira mtima kwambiri posintha mapulogalamu.

(2) Ntchito muBMS:M'mapulogalamu a BMS, ma MOSFET nthawi zambiri amagwiritsidwa ntchito pakusintha kwawo koyenera. Amatha kuyatsa ndikuzimitsa mwachangu, kuwongolera kuthamanga kwapano ndi kukana kochepa komanso kutaya mphamvu. Izi zimawapangitsa kukhala abwino poteteza mabatire kuti asachuluke, kutulutsa kwambiri, komanso mabwalo amfupi.

(3) Makhalidwe:Ma MOSFET ali ndi vuto lolowera kwambiri komanso osakanizidwa pang'ono, zomwe zimawapangitsa kukhala ochita bwino kwambiri ndikuchepetsa kutentha pang'ono poyerekeza ndi ma BJT. Ndizoyenera kwambiri zosinthira zothamanga kwambiri komanso zogwira mtima kwambiri mkati mwa BMS.

Chidule:

  • BJTsndi abwino kwa mapulogalamu omwe amafunikira kuwongolera kwakanthawi chifukwa cha kupindula kwawo kwakukulu.
  • Zithunzi za MOSFETamasankhidwa kuti azisintha bwino komanso mwachangu ndikuchepetsa kutentha pang'ono, kuwapangitsa kukhala abwino kuteteza ndi kuyang'anira magwiridwe antchito a batri muBMS.
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Nthawi yotumiza: Jul-13-2024

MULUMBE DALY

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