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Latest posts from topic “Esercizio circuito RCL in alternata” Latest posts from topic “Esercizio circuito RCL in alternata” on “ElectroYou”. 2018-01-08T22:36:56Z https://www.electroyou.it/forum/viewtopic.php?f=2&t=72222 Re: Esercizio circuito RCL in alternata https://www.electroyou.it/forum/viewtopic.php?f=2&t=72222#p749711 g.schgor 2018-01-13T08:39:24Z 2018-01-13T08:39:24Z
Mancando risposte, concludo.
Per quanto detto da Foto Utenteadmin nel post[13]
nei casi 0) e 2) deve essere XC>XL,
e in 1) XL>0.5XC, quindi:

0) [unparseable or potentially dangerous latex formula]

1) [unparseable or potentially dangerous latex formula]

2) XL-XC=-10


Da 0) e 2) si ricava R=27.47 Ohm.
Sottraendo 1) da 0) si ottiene C=107.3uF.
Da 2) si ricava L=62.6mH.

Le correnti risultanti nei 3 casi
sono riportate nella simulazione del post[14].
Re: Esercizio circuito RCL in alternata https://www.electroyou.it/forum/viewtopic.php?f=2&t=72222#p749548 g.schgor 2018-01-12T16:07:46Z 2018-01-12T16:07:46Z
Infatti, ma per tenerne conto occorre invertire i segni degli sfasamenti...
Forum180110.gif

(valori in modulo e fase(°))
Re: Esercizio circuito RCL in alternata https://www.electroyou.it/forum/viewtopic.php?f=2&t=72222#p749502 admin 2018-01-12T12:08:04Z 2018-01-12T12:08:04Z
Già... :shock:
come può la corrente passare dallo sfasamento in ritardo a quello in anticipo se la reattanza capacitiva, in serie a quella induttiva che rimane costante, diminuisce?
Da dove viene quel testo?
Re: Esercizio circuito RCL in alternata https://www.electroyou.it/forum/viewtopic.php?f=2&t=72222#p749484 g.schgor 2018-01-12T10:17:39Z 2018-01-12T10:17:39Z
Risultati?
Sarei curioso di confrontarli...
Re: Esercizio circuito RCL in alternata https://www.electroyou.it/forum/viewtopic.php?f=2&t=72222#p749125 Exodus 2018-01-10T10:42:42Z 2018-01-10T10:42:42Z
Eliminando un pò di passaggi, i quali puoi fare da solo.

[unparseable or potentially dangerous latex formula]

[unparseable or potentially dangerous latex formula]

[unparseable or potentially dangerous latex formula]

Da cui ti ricavi i valori di R,L e C
Re: Esercizio circuito RCL in alternata https://www.electroyou.it/forum/viewtopic.php?f=2&t=72222#p749007 sebago 2018-01-09T17:27:37Z 2018-01-09T17:27:37Z
[quote="mmravelli"]
?

X_L-X_C=10

E rifletti su quanto ha suggerito Foto UtenteRenzoDF sulle "precisazioni" entro parentesi (non le trovi "strane"?)
Re: Esercizio circuito RCL in alternata https://www.electroyou.it/forum/viewtopic.php?f=2&t=72222#p748877 admin 2018-01-09T00:04:10Z 2018-01-09T00:04:10Z
Non proprio.
Devi considerare le reattanze.
Inoltre hai scambiato le tangenti
Infine devi scrivere le formule usando LaTeX
Così ad esempio

[unparseable or potentially dangerous latex formula]
Re: Esercizio circuito RCL in alternata https://www.electroyou.it/forum/viewtopic.php?f=2&t=72222#p748866 mmravelli 2018-01-08T23:28:16Z 2018-01-08T23:28:16Z
quindi dovrei porre

(l - c)/r = TAN(-π/18)
(l - c/2)/r = TAN(π/9)

?
Re: Esercizio circuito RCL in alternata https://www.electroyou.it/forum/viewtopic.php?f=2&t=72222#p748863 RenzoDF 2018-01-08T23:09:48Z 2018-01-08T23:09:48Z
Davvero "interessanti" quelle precisazioni fra parentesi del testo.
Re: Esercizio circuito RCL in alternata https://www.electroyou.it/forum/viewtopic.php?f=2&t=72222#p748856 admin 2018-01-08T22:36:56Z 2018-01-08T22:36:56Z
Scrivilo come formula nei due casi