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duvida em transformadores
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Date: Fri, 29 May 2009 15:04:48 -0300
Message-ID: <a7e9d3b30905291104p5f5848a4i640801032f39b...@mail.gmail.com>
Subject: Re: [WebCalc] duvida em transformadores
From: =?ISO-8859-1?Q?Marco_Aur=E9lio?= <marco.a.bu...@gmail.com>
To: webcalc@googlegroups.com
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Pessoal , verifiquem este site..
http://educacao.uol.com.br/matematica/ult1705u25.jhtm
ele n=E3o est=E1 fazendo o c=E1lculo errado na parte (1+ 0,5/100)^12 =3D>
(1,005)^12 no =FAltimo exemplo ?
Forte abra=E7o a todos,
Marco A.Bueno
2009/5/5 Patr=EDcia Ara=FAjo <patricia_arau...@yahoo.com.br>
>
> ol=E1!!
>
> eu estou com duvida em uma quest=E3o que trafo, a quest=E3o pede o valor
> da resistencia do ferro, num modelo em paralelo com a relutancia de
> magnetiza=E7=E3o.
>
> os dados que tenho:
>
> Vn1=3D13800v; Wo=3D 66,67w; Io=3D0,03623
>
> assim eu posso achar o angulo a vazio: cos=3D Wo/(Vn1*0.03623)
>
> esse angulo =E9 da imped=E2ncia.. e o da corrente Io?
>
> eu poderia usar o mesmo angulo para o de Io?
>
> obrigada
> >
>
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Pessoal , verifiquem este site..<br><br><a href=3D"http://educacao.uol.com.=
br/matematica/ult1705u25.jhtm">http://educacao.uol.com.br/matematica/ult170=
5u25.jhtm</a><br><br><br>ele n=E3o est=E1 fazendo o c=E1lculo errado na par=
te (1+ 0,5/100)^12 =3D> (1,005)^12=A0 no =FAltimo exemplo ?<br>
<br><br>Forte abra=E7o a todos,<br>Marco A.Bueno<br><br><br><div class=3D"g=
mail_quote">2009/5/5 Patr=EDcia Ara=FAjo <span dir=3D"ltr"><<a href=3D"m=
ailto:patricia_arau...@yahoo.com.br">patricia_arau...@yahoo.com.br</a>><=
/span><br>
<blockquote class=3D"gmail_quote" style=3D"border-left: 1px solid rgb(204, =
204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>
ol=E1!!<br>
<br>
eu estou com duvida em uma quest=E3o que trafo, a quest=E3o pede o valor<br=
>
da resistencia do ferro, num modelo em paralelo com a relutancia de<br>
magnetiza=E7=E3o.<br>
<br>
os dados que tenho:<br>
<br>
Vn1=3D13800v; Wo=3D 66,67w; Io=3D0,03623<br>
<br>
assim eu posso achar o angulo a vazio: cos=3D Wo/(Vn1*0.03623)<br>
<br>
esse angulo =E9 da imped=E2ncia.. e o da corrente Io?<br>
<br>
eu poderia usar o mesmo angulo para o de Io?<br>
<br>
obrigada<br>
<br>
</blockquote></div><br>
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