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carlosdelfinocarlosdelfino
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Calculadora para Transformadores
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‎_data/menu.yml

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title: Início
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url:
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use: [top]
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-
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title: Calculadora/Simulador
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use: [top]
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submenu:
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-
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url: circuitos
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title: Simulador de Circuitos
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use: [useful,resource]
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-
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url: transformadores
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title: Calculadora para Transformadores
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use: [useful,resource]
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title: Artigos
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use: [top]
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-
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url: circuitos
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title: Simulador de Circuitos
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use: [useful,resource,top]
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use: [useful,resource]
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-
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url: transformadores
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title: Calculadora para Transformadores
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use: [useful,resource]
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url: about

‎assets/images/transformadores/transf01.gif

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‎transformadores/index.md

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---
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layout: page
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title: Calculadora para Transformadores
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---
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<script language="JavaScript">
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<!--
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function calcula() {
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Vp=parseFloat(calcForm.Vpx.value);
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Vs=parseFloat(calcForm.Vsx.value);
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Is=parseFloat(calcForm.Isx.value);
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F=parseFloat(calcForm.Fx.value);
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if (Vp<0.001) {
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alert("Valor incorreto. Favor revisar a tensão de primário!!");
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}
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if (Vs<0.001) {
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alert("Valor incorreto. Favor revisar a tensão de secundário!");
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}
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if (F<1) {
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alert("Valor incorreto. Favor revisar a frequencia de operação!");
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}
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if (F>121) {
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alert("Valor incorreto. Favor revisar a frequencia de operação!");
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}
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if (Is<0.001) {
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alert("Valor incorreto. Favor revisar corrente de secundário!");
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}
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Np=0;
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Ns=0;
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Fiop=0;
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Fios=0
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Ip=0;
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S=0;
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Ps=Vs*Is;
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Pp=1.15*Ps
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S=Math.sqrt(Pp/0.73);
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Np=2815.315*Vp/(F*S);
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k=Np/Vp;
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Ns=1.1*k*Vs;
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Ip=Pp/Vp;
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Fiop=Ip/2.0;
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Fios=Is/2.0;
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Awgp=17.15576-4.312466032*Math.log(Fiop)
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Awgs=17.15576-4.312466032*Math.log(Fios)
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document.calcForm.Npx.value=Math.round(Np+0.1);
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document.calcForm.Fiopx.value=Math.round(Fiop*100.0)/100.0;
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document.calcForm.Nsx.value=Math.round(Ns+0.1);
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document.calcForm.Fiosx.value=Math.round(Fios*100.0)/100.0;
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document.calcForm.Axx.value=Math.round(S*1000.0)/1000.0;
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document.calcForm.Ipx.value=Math.round(Ip*10000.0)/10000.0;
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document.calcForm.Fiopxx.value=Math.round(Fiop*100.0)/100.0;
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document.calcForm.Fiosxx.value=Math.round(Fios*100.0)/100.0;
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document.calcForm.Awgpx.value=Math.round(Awgp);
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document.calcForm.Awgsx.value=Math.round(Awgs);
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}
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// -->
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</script>
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<style>
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input {
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color: initial;
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letter-spacing: normal;
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word-spacing: normal;
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display: inline-block;
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background-color: white;
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cursor: text;
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border-width: 2px;
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border-style: inset;
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border-color: initial;
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border-image: initial;
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box-sizing: inherit;
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font: 400 13.3333px Arial;
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font-family: sans-serif;
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/* font-size: 100%; */
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/* line-height: inherit; */
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/* line-height: 1.15; */
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margin: 0em;
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margin: 0;
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overflow: visible;
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padding: 1px;
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padding: 1px 0px;
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text-rendering: auto;
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text-transform: none;
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text-indent: 0px;
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text-shadow: none;
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text-align: start;
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touch-action: manipulation;
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-webkit-writing-mode: horizontal-tb !important;
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-webkit-appearance: textfield;
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-webkit-rtl-ordering: logical;
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-webkit-box-sizing: inherit;
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-ms-touch-action: manipulation;
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}
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</style>
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<center>
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<form name="calcForm">
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<table border="0" width="700">
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<tbody><tr align="left" valign="top">
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<td align="left" valign="top" width="230">
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<img src="/assets/images/transformadores/transf01.gif" alt="Transformador" height="304" width="206" border="0" vspace="0" hspace="0" align="left">
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</td>
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<td align="right" valign="top" width="425">
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<font color="#0000AA">Parâmetros do projeto:</font><br/>
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&nbsp;&nbsp;&nbsp;Tensão de primário&nbsp;=&nbsp;
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<input type="text" name="Vpx" size="6" value="110" maxlength="6"><br>
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Tensão de secundário&nbsp;=&nbsp;<input type="text" name="Vsx" size="6" value="12" maxlength="6"><br>
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Corrente de secundário&nbsp;=&nbsp;<input type="text" name="Isx" size="6" value="1" maxlength="6"><br>
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Freqüência de operação&nbsp;=&nbsp;<input type="text" name="Fx" size="4" value="60" maxlength="4"><br>
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<font size="-2">&nbsp;<br></font>
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<font color="#0000AA">Valores calculados:</font>&nbsp;&nbsp;
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(<font size="-1">valores aproximados para referencia</font>)<br>
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<font size="-2">&nbsp;<br></font>
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Nº&nbsp;espiras&nbsp;primário=<input type="text" name="Npx" size="5" maxlength="5"><br />
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Seção&nbsp;do&nbsp;fio&nbsp;primário=<input type="text" name="Fiopx" size="4" maxlength="4">
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<font size="-1">mm²</font><br>
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Nº&nbsp;espiras&nbsp;secundário=<input type="text" name="Nsx" size="5" maxlength="5">&nbsp;
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Seção&nbsp;do&nbsp;fio&nbsp;secundário=<input type="text" name="Fiosx" size="4" maxlength="4">
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<font size="-1">mm²</font><br>
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Área&nbsp;do&nbsp;núcleo=<input type="text" name="Axx" size="8" maxlength="8">
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<font size="-1">cm²</font><br>
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Corrente&nbsp;de&nbsp;primário=<input type="text" name="Ipx" size="9" maxlength="9">
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<font size="-1">A</font><br>
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<font color="#0000AA">Equivalências p/ cabos elétricos:</font><br />
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<input type="text" name="Fiopxx" size="4" maxlength="4"><font size="-1">mm²&nbsp;</font>
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=&nbsp;<input type="text" name="Awgpx" size="3" maxlength="3">&nbsp;<font size="-1">AWG</font><br>
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<input type="text" name="Fiosxx" size="4" maxlength="4"><font size="-1">mm²&nbsp;</font>
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=&nbsp;<input type="text" name="Awgsx" size="3" maxlength="3">&nbsp;<font size="-1">AWG</font><br>
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<font color="#0000AA" size="-1">(*) Nota:</font><font size="-1">&nbsp;Perda de potência
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assumida arbitrariamente como 15%.</font><br>
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<font size="-2">&nbsp;<br></font>
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</td>
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<td align="right" valign="top" width="45">
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(<font size="+1">V</font>ca)<br>(<font size="+1">V</font>ca)<br>
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(<font size="+1">A</font>)<br>(<font size="+1">H</font>z)<br>
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</td>
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</tr></tbody></table>
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<table border="0" width="600"><tbody><tr align="center">
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<td align="center" valign="top" width="600"><center><br>
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<input type="button" value="Calcular" onclick="calcula()">&nbsp;
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&nbsp;<input type="reset" value="Limpar">
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</center></td></tr></tbody></table>
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</form>
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</center>

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