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Yadda ake kawo ɗaukar wani inductance a lokacin da maƙasun sauti su ke ɗaya?

Encyclopedia
Encyclopedia
فیلڈ: Dakilin ƙasashen ilimi
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China

Yadda a Daidaita Amfani da Karamin Indaktar a Mafi Girman Aiki

A lokacin da ake yi amfani da indaktar a mafi girman aiki (kamar DC ko kuma mafi girman aiki na DC), amfani da indaktar zai iya daidaita ta hanyar tushen tsohon rarraba. Saboda indaktar yana nuna matsayin cikakki a lokacin da ake yi amfani da DC ko mafi girman aiki, zai iya samun cikakki. Amma, don daidaita masu inganci, akwai abubuwa daban-daban da ya kamata a duba:

1. Matsayin Cikakki na DC (DCR) na Indaktar

Indaktar ba shi da tsari, an buga shi da adadin karamin wire wanda ake kira matsayin cikakki na DC (DCR). A lokacin da ake yi amfani da mafi girman aiki ko DC, ina matsayin indaktar (XL=2πfL) yana nuna gajimta, saboda haka amfani da indaktar yana daidaita ne da matsayin cikakki na DC na indaktar.

Idan tsohon rarrabba yana da indaktar da karamin saki, da matsayin cikakki na DC na indaktar yana RDC, amfani da indaktar I zai iya daidaita ta hanyar kananan Gaji:

7748c24b67b953b185715306075de7d6.jpeg

ida V shin karamin saki.

2. Ingancin Tsarin Taim

A lokacin da ake yi amfani da mafi girman aiki, amfani da indaktar ba za su samu darajar daidaita bi amma za su kawo karfi zuwa wannan darajar. Wannan batu yana haɗa da tsarin taim τ, wanda ake bayyana shi a haka:

494d75852cbd8c340cf804b8a105ea24.jpeg

ida L shine indaktar da R DC shine matsayin cikakki na DC na indaktar. Amfani da indaktar a halin lokaci zai iya bayyana shi a haka

166f0c654426e3439ad7f9d2aee2a198.jpeg

ida Ifinal =V/RDC shine amfani daidaita, da t shine lokaci.

Wannan yana nufin cewa amfani da indaktar yake faruwa ne a tashin zero kuma za su kawo karfi, za su samu darajar 99% na amfani daidaita bayan lokacin da ke 5τ.

3. Nau'o'in Karamin Saki

Karamin Saki na DC: Idan karamin saki yana da karamin saki na DC, amfani da indaktar yake samu darajar I=V/R DC bayan lokacin da ke daidai.

Karamin Saki na AC na Mafi Girman Aiki: Idan karamin saki yana da sinusoide ko pulsed waveform a mafi girman aiki, amfani da indaktar yake canzawa da karamin saki na tsohon rarrabba. Don sinusoide na mafi girman aiki, amfani da indaktar na takam yana iya daidaita a haka:

b55cd976302d70ae9d95159eeefc477f.jpeg

ida V peak shine takam na karamin saki na tsohon rarrabba.

4. Abubuwan Da Na Tsohon Rarrabba

Idan tsohon rarrabba yana da abubuwan da na indaktar (kamar matsayin cikakki ko capacitor), mu duba ingancin su a amfani da indaktar. Misali, a tsohon rarrabba RL, darajar da amfani da indaktar yake kawo karfi yana haɗa da matsayin cikakki R da indaktar L, da tsarin taim τ=L/R.

Idan tsohon rarrabba yana da capacitor, charging da discharging na capacitor zai iya haɗa da amfani da indaktar, musamman a lokacin da transients.

5. Ingancin Da Ba Tsari Su Ne Na Indaktar

Indaktar na tsari suna da parasitic capacitance da losses na core. A mafi girman aiki, ingancin parasitic capacitance yana nuna gajimta, amma losses na core zai iya haɗa da indaktar a hanyar hoton, wanda yake haɗa da aikinsu. Idan indaktar yana amfani da magnetic material (kamar iron core), magnetic saturation zai iya zama abu, musamman a lokacin da amfani da karamin saki mai yawa. Idan indaktar yake saturate, indaktar L yake samu gajimta, wanda yake haɗa da kawo karfin amfani da indaktar.

6. Abubuwan Yadda a Karɓar Amfani da Indaktar

Karɓar Amfani da Daidaita: Don karɓar amfani da daidaita, zai iya amfani da amperemita don karɓar amfani da indaktar bayan tsohon rarrabba yake samu darajar daidaita.

Karɓar Amfani da Transient: Don karɓar amfani da indaktar a lokacin da yake canzawa, zai iya amfani da oscilloscope ko wasu abubuwa masu kyau don kirƙirar transient responses. Ta hanyar duba amfani da indaktar, zai iya tuntubi masu canza da yake kawo karfi zuwa darajar daidaita.

7. Halayyar Ma'aikata: Magnetic Saturation

Idan indaktar yana amfani da magnetic material (kamar iron core), zai iya samu darajar magnetic saturation a lokacin da amfani da karamin saki mai yawa ko magnetic fields mai yawa. Idan indaktar yake saturate, indaktar L yake samu gajimta, wanda yake haɗa da kawo karfin amfani da indaktar. Don haka, amsa da amfani da karamin saki ba zai fi karamin saki na indaktar.

Mafita

A mafi girman aiki, amfani da indaktar yana daidaita ne da matsayin cikakki na DC na indaktar RDC, da amfani da indaktar yake kawo karfi haɗa da tsarin taim τ=L/RDC. Don karamin saki na DC, amfani da indaktar yake samu darajar I=V/RDC. Don karamin saki na AC na mafi girman aiki, amfani da indaktar na waɗanda yake canzawa da karamin saki na tsohon rarrabba. Kuma, ingancin abubuwan da na tsohon rarrabba da ba tsari su ne na indaktar (kamar magnetic saturation) yana da ma'ana.

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