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Rdzeń kubkowy - Forum Elektroniczne

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Rdzeń kubkowy

Zadaj tu pytanie, jeśli nie wiesz w jaki sposób zrobić układ realizujący założone funkcje.
ODPOWIEDZ
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pfemek
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Rdzeń kubkowy

Postautor: pfemek » czw 01 lip 2004, 13:56

Witam. Poszukuję opisu obliczania transformatorów na rdzeniach kubkowych (wzory, itp.) dla wysokich częstotliwości ok. 20 kHz. Dziekuje za wszystkie odpowiedzi. Pozdrawiam...
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Gość
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Postautor: Gość » sob 03 lip 2004, 4:00

Indykcyjność uzwojeń (cewek) w ferrytach oblicza się z zależności:
L[nH]=Al*z^2
L-indukcyjność w nH
z-liczba zwoji
Al-stała rdzenia podana na nim
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Mariusz G.
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Postautor: Mariusz G. » pt 09 lip 2004, 21:59

Obowiązują te same prawa jak dla każdego trafo. A więc:
u1*z2 = u2*z1
i1*z1 = i2*z2
u1i1 = u2i2 itd.
Poza tym przy wyższych f można sobie pozwolić na przeniesienie większych mocy gdyż p=ui i przy i=const u~f, czyli p~f.
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dragontiger
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Postautor: dragontiger » wt 10 sie 2004, 23:03

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