Loaʻa i nā ʻōnaehana uila mana i loko o kahi kaʻa uila (EV) nā ʻano capacitors like ʻole.
Mai nā capacitors DC-link a i nā capacitors palekana a me nā capacitors snubber, he kuleana koʻikoʻi kēia mau ʻāpana i ka hoʻopaʻa ʻana a me ka pale ʻana i nā mea uila mai nā mea e like me nā piʻi voltage a me ka hoʻopilikia electromagnetic (EMI).
ʻEhā mau ʻano nui o nā inverters traction, me nā ʻokoʻa e pili ana i ke ʻano o ke kuapo, ka voltage a me nā pae. ʻO ke koho ʻana i ka topology kūpono a me nā ʻāpana pili he mea koʻikoʻi ia i ka hoʻolālā ʻana i nā inverters traction e hoʻokō i nā koi pono a me ke kumukūʻai o kāu noi.
E like me ka mea i ʻōlelo ʻia, ʻehā mau topologies i hoʻohana nui ʻia ma nā inverters traction EV, e like me ka mea i hōʻike ʻia ma ke Kiʻi 2.:
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ʻO ka Topology Pae e hōʻike ana i ke kuapo IGBT 650V
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ʻO ka Topology Pae e hōʻike ana i ke kuapo 650V SiC MOSFET
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ʻO ka Topology Pae e hōʻike ana i ke kuapo 1200V SiC MOSFET
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ʻO ka Topology Pae e hōʻike ana i ka 650V GaN Switch
Hāʻule kēia mau topologies i ʻelua mau ʻāpana liʻiliʻi: 400V Powertrains a me 800V Powertrains. Ma waena o nā ʻāpana liʻiliʻi ʻelua, ʻoi aku ka maʻamau o ka hoʻohana ʻana i nā topologies "2-level". Hoʻohana ʻia nā topologies "Multi-level" i nā ʻōnaehana voltage kiʻekiʻe e like me nā kaʻaahi uila, nā tramways a me nā moku akā ʻaʻole lākou i kaulana nui ma muli o ke kumukūʻai kiʻekiʻe a me ka paʻakikī.
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Nā Capacitors Snubber– He mea nui ka hoʻopau ʻana i ke kahe uila e pale i nā kaapuni mai nā piʻi uila nui. Hoʻopili nā capacitors Snubber i ke kikowaena hoʻololi au kiʻekiʻe e pale i nā mea uila mai nā piʻi uila.
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Nā Capacitors DC-Link– Ma nā polokalamu EV, Kōkua nā capacitors DC-link i ka hoʻopau ʻana i nā hopena o ka inductance i loko o nā inverters. Hana pū lākou ma ke ʻano he mau kānana e pale aku i nā ʻōnaehana EV mai nā piʻi voltage, nā surges a me EMI.
He mea nui loa kēia mau kuleana a pau i ka palekana a me ka hana o nā inverters traction, akā loli ka hoʻolālā a me nā kikoʻī o kēia mau capacitors ma muli o ka topology inverter traction āu e koho ai.
Ka manawa hoʻouna: Dec-15-2023