No ke aha i loaʻa ai i nā inductors nā koi mamao palekana?

Kumu: Mālamalama o nā Hāmeʻa

ʻO ka hana nui o ka inductance i loko o nā kaapuni ka kānana ʻana, ʻo ia hoʻi no ka hana ʻana i nā hōʻailona. No ke aha he mau koi mamao palekana i ka wā e hana ai i ka palapala hōʻoia? E hāʻawi kēia ʻatikala i nā pane kūpono i kēia nīnau.

ʻO kaʻoiaʻiʻo, no nā kaapuni laulā, ʻaʻohe koi maopopo no ka mamao palekana o nā inductors. Pono lākou e hoʻokō i nā koi insulation voltage kumu, a ʻaʻole e pōkole ka huahana ma hope o ka hana lōʻihi.
I ka hoʻāʻo ʻana i nā inductors, hoʻāʻo pinepine mākou i ke kū'ē uila o nā wili i nā wili a i ʻole nā ​​wili i nā ʻiwi magnetic, ma kahi o 500VAC.

企业微信截图_17428809395310

Eia nō naʻe, inā hoʻopili ʻia nā inductors i nā hiʻohiʻona kaapuni voltage kiʻekiʻe, e ʻokoʻa ia. I nā kaapuni voltage kiʻekiʻe, pono pinepine ka mamao ma waena o nā pine inductor e hoʻokō me nā kūlana hoʻokuʻu uila a me ka mamao creepage e pale aku i nā kaapuni pōkole a i ʻole nā ​​​​hoʻokuʻu.
Wahi a ke kūlana IEC60950, pili nā pae voltage like ʻole i nā mamao liʻiliʻi like ʻole. Ke ʻole i hoʻokomo ʻia ke kaapuni voltage 400V, pono ka hakahaka uila ma waena o nā pine inductor he ≥ 6.4mm.

Ma ke ʻano o ka mamao kolo, no nā kaapuni 220V, pono ka mamao kolo o ka substrate FR4 he ≥ 4.0mm. No nā inductors voltage kiʻekiʻe, e like me nā mea e pili ana i ka mea hoʻololi nui o kahi lako mana hoʻololi, pono kahi mamao insulation i hoʻoikaika ʻia o ≥ 8.0mm.
Ke kiʻekiʻe iki ka mahana hana o ka inductor, hiki ke hoʻonui kūpono ʻia ka mamao palekana e uku no ka ʻelemakule o ka mea insulation i hoʻokumu ʻia e ka hoʻohana lōʻihi ʻana o ka inductor.

企业微信截图_17428809529791

I ke kaʻina hana o ka hoʻolālā kaapuni, inā lawa ʻole ka mamao o ke kolo ʻana, hiki ke hoʻohana ʻia ke slotting e hoʻokō i nā koi. No ke koho ʻana i nā mea inductor, pono e hoʻohana i ke kinoea pale ahi a me ka lapalapa, ka uea enameled pale wela kiʻekiʻe, a me ka lipine insulation i hōʻoia ʻia e ka palekana e hōʻoia i ka mālama ʻana i nā kūlana palekana a me nā koi.
Ma keʻano holoʻokoʻa, ʻo ke koi mamao palekana no nā inductors, ʻo ia ke pale ʻana i nā pōʻino palekana i hoʻokumu ʻia e ka haki ʻana o ka uila, ka leakage, a me ka hāʻule ʻana o ka insulation. Hiki i kēia ke kuhikuhi i nā kūlana e like me IEC 60950 a me UL 60950, a e hoʻolālā piha ʻia ma muli o nā pae voltage, nā wahi hana, a me nā ʻano mea e hōʻoia i ka hala ʻana o ka hoʻāʻo a me ka palapala hōʻoia.


Ka manawa hoʻouna: Malaki-25-2025

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