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Latest posts from topic “Esercizio Trasformatore Monofase” Latest posts from topic “Esercizio Trasformatore Monofase” on “ElectroYou”. 2019-01-22T22:39:07Z https://www.electroyou.it/forum/viewtopic.php?f=18&t=76570 Re: Esercizio Trasformatore Monofase https://www.electroyou.it/forum/viewtopic.php?f=18&t=76570#p803240 frager 2019-01-23T18:35:59Z 2019-01-23T18:35:59Z
Ottimo! Grazie mille!
Re: Esercizio Trasformatore Monofase https://www.electroyou.it/forum/viewtopic.php?f=18&t=76570#p803235 g.schgor 2019-01-23T18:13:58Z 2019-01-23T18:13:58Z
Ecco l a simulazione delle potenze(W,var)
IndNucleoP.gif
Re: Esercizio Trasformatore Monofase https://www.electroyou.it/forum/viewtopic.php?f=18&t=76570#p803222 frager 2019-01-23T16:34:35Z 2019-01-23T16:34:35Z
Grazie mille per le osservazioni. Sono le prime volte che scrivo in LaTeX proprio per adattarmi alle alle regole del forum
Re: Esercizio Trasformatore Monofase https://www.electroyou.it/forum/viewtopic.php?f=18&t=76570#p803221 admin 2019-01-23T16:31:08Z 2019-01-23T16:31:08Z
Mi pare di sì.
--------------
Alcune osservazione sulla scrittura con LaTex:
per la moltiplicazione tra numeri non usare * ma \times (\times)
le unità di misura vanno scritte dritte: \rm{W} non W
e vanno separate dal valore con un semispazio (\,) : 5 \, \rm{A} non 5\rm{A}
Re: Esercizio Trasformatore Monofase https://www.electroyou.it/forum/viewtopic.php?f=18&t=76570#p803218 frager 2019-01-23T16:14:17Z 2019-01-23T16:14:17Z
Oddio che svista, avevo dimenticato fosse sfasato di \frac{\pi}{3} (ho corretto l'errore) . Grazie mille, il resto è corretto?
Re: Esercizio Trasformatore Monofase https://www.electroyou.it/forum/viewtopic.php?f=18&t=76570#p803215 admin 2019-01-23T16:06:37Z 2019-01-23T16:06:37Z
\bar E_1=230 \angle 60 =115+\rm{j}199 \, \rm{V}
{\dot N_{{{\bar E}_1}}} = 230\angle 60 \times 5{,}13\angle 17 = 1180\angle 77 = 265 + {\rm{j}}1150 \, \rm{VA}
Re: Esercizio Trasformatore Monofase https://www.electroyou.it/forum/viewtopic.php?f=18&t=76570#p803212 frager 2019-01-23T15:47:59Z 2019-01-23T15:47:59Z
Sì, espongo i miei passaggi:

La potenza complessa erogata da \bar{E}_{1} sarà:

[unparseable or potentially dangerous latex formula]

La potenza assorbita dall'impedenza \dot{Z}_{1} sarà:

[unparseable or potentially dangerous latex formula]

Dove: \left | \bar{I}_{1} \right | = \sqrt{4,9^{2}+1,5^{2}}

Per calcolare la potenza assorbita dalla serie di impedenze \dot{Z}_{23}:

\bar{I}_{23p}=\bar{I}_{1} \frac{\dot{Z}_{L}}{\dot{Z}_{23p}+ \dot{Z}_{L}}=0,25-j0,035 \, \rm{A}

[unparseable or potentially dangerous latex formula]

[unparseable or potentially dangerous latex formula]

[unparseable or potentially dangerous latex formula]

P_{tot}^{attiva}=262 \rm{W}+2{,}9 \rm{W}=264,9  \rm{W}

Q_{tot}=786,4 \rm{var}+17,2 \rm{var}=803,6 \, \rm{var}
Re: Esercizio Trasformatore Monofase https://www.electroyou.it/forum/viewtopic.php?f=18&t=76570#p803148 g.schgor 2019-01-23T07:58:38Z 2019-01-23T07:58:38Z
Vuoi continuare con le soluzioni delle potenze?
Re: Esercizio Trasformatore Monofase https://www.electroyou.it/forum/viewtopic.php?f=18&t=76570#p803138 frager 2019-01-22T22:46:50Z 2019-01-22T22:46:50Z
Perfetto, grazie tante!
Re: Esercizio Trasformatore Monofase https://www.electroyou.it/forum/viewtopic.php?f=18&t=76570#p803136 g.schgor 2019-01-22T22:39:07Z 2019-01-22T22:39:07Z
La convenzione usata dal simulatore Microcap è,
come ho spiegato,il contrario:
una sinusoide con \varphi =0 parte da 0...