Kodi magawo asanu a inductor ndi ati | KHALANI BWINO

Chovala chozungulira chozungulira chimakhala chozungulira, ndipo koyilo yomwe imagwiritsidwa ntchito pamagetsi imatchedwa olowetsa m'malo . Ma inductors amagwiritsidwa ntchito kwambiri m'mabwalo amagetsi, ndipo amatha kugawidwa m'magulu awiri, imodzi ndi inductors yamakina azizindikiro, ndipo inayo ndi inductors yamagetsi amagetsi.

Inductor imagwiritsidwa ntchito kwambiri ngati gawo, ndipo zina mwazofunikira zake zimanyalanyazidwa mosavuta, zomwe zimapangitsa kuti pakhale kusakwanira kwa mapangidwe ndi zovuta zogwiritsa ntchito mankhwalawo.

Kutengera chowongolera mphamvu monga chitsanzo, magawo oyambira a inductor amayambitsidwa.

mtengo wa inductance

Gawo loyambira la inductance ndilofunikanso lomwe limakhudza kuyankha kwaposachedwa komanso kunyamula katundu.

Pakali pano ya inductor mphamvu mu Converter ndi makona atatu yoweyula panopa. Nthawi zambiri, kuthamanga kwamagetsi kumatha kukhazikitsidwa pafupifupi 30% ya katundu wapano. Choncho, malinga ngati zikhalidwe za chosinthira zitsimikiziridwa, inductance yoyenera ya inductor yamagetsi ikhoza kuwerengedwa mowerengeka. Zosankhidwa molingana ndi mtengo wazomwe wopanga amapanga, ngati mukufuna kusintha mtundu watsopano wa inductor, magawo ake sayenera kukhala osiyana kwambiri ndi mtengo womwe umaperekedwa ndi wogulitsa.

machulukitsidwe panopa

Machulukidwe apano apano amatchedwanso mawonekedwe a DC superposition, omwe amakhudza inductance yogwira ntchito pomwe inductor imagwira ntchito. Ngati inductor sinasankhidwe bwino, inductor imakhala yosavuta kukhutitsidwa, kuchititsa kuti mtengo weniweni wa inductance ukhale wochepa, sungathe kukwaniritsa zofunikira za mapangidwe, ndipo ukhoza kuwotcha dera. Tanthauzo la dera lodzaza limasiyanasiyana pang'ono, nthawi zambiri limatanthawuza zapano pomwe inductance yoyamba imachepetsedwa ndi 30%.

kutentha kukwera panopa

Ichi ndi chizindikiro chomwe chimanena za kutentha komwe kuli kovomerezeka mukamagwiritsa ntchito ma inductors. Tanthauzo la kukwera kwa kutentha kwaposachedwa kumasiyanasiyana kuchokera kwa wopanga kupita kwa wopanga, kunena zambiri, zimatanthawuza kuzungulira kutentha kwa inductor kumakwezedwa ndi 30 ℃. Zotsatira za kutentha zimasiyana ndi malo ogwirira ntchito a dera, choncho liyenera kusankhidwa pambuyo poganizira malo enieni ogwiritsira ntchito.

DC impedance

Imayimira mtengo wotsutsa pamene ikudutsa mwachindunji. Chikoka chachikulu komanso chachindunji cha parameter iyi ndikutaya kutentha, kotero kucheperako kwa DC impedance, kumachepetsa kutayika. Pali mkangano pang'ono pakati pa kuchepetsedwa kwa Rdc ndi miniaturization. Malingana ndi ma inductors omwe atchulidwa pamwambapa omwe amakwaniritsa zofunikira monga inductance ndi kuvotera panopa, chinthu chokhala ndi Rdc yaying'ono chikhoza kusankhidwa.

Impedans pafupipafupi khalidwe

Kulepheretsa kwa inductor yoyenera kumawonjezeka ndi kuwonjezeka kwafupipafupi. Komabe, chifukwa cha kukhalapo kwa parasitic capacitance ndi kukana kwa parasitic, inductor yeniyeni imakhala yochititsa chidwi pafupipafupi, capacitive kupitirira mafupipafupi ena, ndipo kusokoneza kumachepa ndi kuwonjezeka kwafupipafupi. Ma frequency awa ndi ma frequency akutembenukira.

Pamwambapa ndikuyambitsa magawo asanu a inductor. ngati mukufuna kudziwa zambiri za inductor, chonde omasuka kulumikizana nafe.