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变压器参数计算公式

2008-7-19 12:27:24  11277
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<p><font face="Verdana">变压器参数计算公式</font><br/></p>
<p>
<table style="WIDTH: 483pt; BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="644" border="0" x:str>
<colgroup>
<col style="WIDTH: 51pt; mso-width-source: userset; mso-width-alt: 2176" width="68">
<col style="WIDTH: 54pt" span="8" width="72">
<tbody>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="WIDTH: 105pt; HEIGHT: 14.25pt; mso-ignore: colspan" width="140" colspan="2" height="19">变压器容量(MVA)</td>
<td style="WIDTH: 54pt" align="right" width="72" x:num>150</td>
<td class="xl24" style="WIDTH: 108pt" width="144" colspan="2">电抗值</td>
<td class="xl24" style="WIDTH: 108pt" width="144" colspan="2">标么值</td>
<td style="WIDTH: 54pt" width="72"></td>
<td style="WIDTH: 54pt" width="72"></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td>U1-2</td>
<td align="right" x:num>15</td>
<td>U1</td>
<td align="right" x:num x:fmla="=SUM(0.5*(C2+C3-C4))">15.5</td>
<td>X1</td>
<td align="right" x:num="0.10333333333333333" x:fmla="=SUM(E2/C1)">0.103333</td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19">阻抗值</td>
<td>U1-3</td>
<td align="right" x:num>39</td>
<td>U2</td>
<td align="right" x:num x:fmla="=SUM(0.5*(C2+C4-C3))">-0.5</td>
<td>X2</td>
<td align="right" x:num="-3.3333333333333335E-3" x:fmla="=SUM(E3/C1)">-0.00333</td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td>U2-3</td>
<td align="right" x:num>23</td>
<td>U3</td>
<td align="right" x:num x:fmla="=SUM(0.5*(C3+C4-C2))">23.5</td>
<td>X3</td>
<td align="right" x:num="0.15666666666666668" x:fmla="=SUM(E4/C1)">0.156667</td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td></td>
<td>基准电压</td>
<td>基准电流</td>
<td>基准电抗</td>
<td></td>
<td></td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19">系统电压</td>
<td>500kV</td>
<td align="right" x:num>525</td>
<td align="right" x:num="00.11">0.11</td>
<td align="right" x:num>2756</td>
<td></td>
<td></td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td>330kV</td>
<td align="right" x:num>345</td>
<td align="right" x:num="0.16700000000000001">0.167</td>
<td align="right" x:num>1190</td>
<td></td>
<td></td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td>220kV</td>
<td align="right" x:num>230</td>
<td align="right" x:num="0.251">0.251</td>
<td align="right" x:num>529</td>
<td></td>
<td></td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td>110kV</td>
<td align="right" x:num>115</td>
<td align="right" x:num="0.502">0.502</td>
<td align="right" x:num>132</td>
<td></td>
<td></td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td>66kV</td>
<td align="right" x:num>63</td>
<td align="right" x:num="0.91600000000000004">0.916</td>
<td align="right" x:num>39.7</td>
<td></td>
<td></td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td>35kV</td>
<td align="right" x:num>37</td>
<td align="right" x:num>1.56</td>
<td align="right" x:num>13.7</td>
<td></td>
<td></td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td>10kV</td>
<td align="right" x:num>10.5</td>
<td align="right" x:num>5.5</td>
<td align="right" x:num>1.1</td>
<td></td>
<td></td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19">系统电抗</td>
<td align="right" x:num="1.278E-2">0.01278</td>
<td></td>
<td>额定电压</td>
<td>基准电流</td>
<td class="xl24" colspan="2">短路电流(kA)</td>
<td>系统电抗</td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td></td>
<td>d1点</td>
<td align="right" x:num>220</td>
<td align="right" x:num="0.251">0.251</td>
<td></td>
<td align="right" x:num="19.640062597809077" x:fmla="=SUM(E16*1/B15)">19.64006</td>
<td align="right" x:num="1.278E-2" x:fmla="=SUM(B15)">0.01278</td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt; mso-ignore: colspan" colspan="2" height="19">短路点电流</td>
<td>d2点</td>
<td align="right" x:num>110</td>
<td align="right" x:num="0.502">0.502</td>
<td>单台运行</td>
<td align="right" x:num="4.4511438198262105" x:fmla="=SUM(E17*1/(B15+G2+G3))">4.451144</td>
<td align="right" x:num="0.11278000000000001" x:fmla="=SUM(B15+G2+G3)">0.11278</td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td></td>
<td>d3点</td>
<td align="right" x:num>10.5</td>
<td align="right" x:num>5.5</td>
<td></td>
<td align="right" x:num="20.162768531417257" x:fmla="=SUM(E18*1/(B15+G2+G4))">20.16277</td>
<td align="right" x:num="0.27278000000000002" x:fmla="=SUM(B15+G2+G4)">0.27278</td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td></td>
<td>d1点</td>
<td></td>
<td></td>
<td></td>
<td align="right" x:num="19.640062597809077" x:fmla="=SUM(E16*1/B15)">19.64006</td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td></td>
<td>d2点</td>
<td></td>
<td></td>
<td>两台并列</td>
<td align="right" x:num="7.9961771264733992" x:fmla="=SUM(E17*1/(B15+0.5*(G2+G3)))">7.996177</td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td></td>
<td>d3点</td>
<td></td>
<td></td>
<td></td>
<td align="right" x:num="38.520801232665633" x:fmla="=SUM(E18*1/(B15+0.5*(G2+G4)))">38.5208</td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt; mso-ignore: colspan" colspan="2" height="19">下级电站</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt; mso-ignore: colspan" colspan="2" height="19">变压器容量(MVA)</td>
<td align="right" x:num>31.5</td>
<td class="xl24" colspan="2">电抗值</td>
<td class="xl24" colspan="2">标么值</td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19">阻抗值</td>
<td>Ud</td>
<td align="right" x:num>10.5</td>
<td></td>
<td></td>
<td></td>
<td align="right" x:num="0.33333333333333331" x:fmla="=SUM(C26/C25)">0.333333</td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19">线路电抗</td>
<td align="right" x:num="6.7999999999999996E-3">0.0068</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19">系统电抗</td>
<td align="right" x:num="0.11278000000000001" x:fmla="=SUM(H17)">0.11278</td>
<td></td>
<td>额定电压</td>
<td>基准电流</td>
<td style="mso-ignore: colspan" colspan="3">短路电流(kA)两台并列</td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt; mso-ignore: colspan" colspan="2" height="19">短路点电流</td>
<td>d1点</td>
<td align="right" x:num>110</td>
<td align="right" x:num="0.502">0.502</td>
<td></td>
<td align="right" x:num="4.1980264258237163" x:fmla="=SUM(E29*1/(B27+B28))">4.198026</td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td></td>
<td>d2点</td>
<td align="right" x:num>10.5</td>
<td align="right" x:num>5.5</td>
<td>单台运行</td>
<td align="right" x:num="12.143603632777426" x:fmla="=(E30*1/(B27+B28+G26))">12.1436</td>
<td></td>
<td></td></tr>
<tr style="HEIGHT: 14.25pt" height="19">
<td style="HEIGHT: 14.25pt" height="19"></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>两台并列</td>
<td align="right" x:num="19.214197545240701" x:fmla="=(E30*1/(B27+B28+0.5*G26))">19.2142</td>
<td></td>
<td></td></tr></tbody></table></p><br/><br/>
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2008-7-19 12:27:24   评论 分享淘帖
48 个讨论
看不懂咋办?<br/>
2008-8-7 22:15:19 评论

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能有人教一教就好了啊
2008-9-21 19:53:23 评论

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我只是好奇想看看,也要扣啊!
2009-2-20 16:54:04 评论

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我只是好奇想看看
2009-2-24 22:07:10 评论

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这是我看到的最垃圾的一帖了!!!
2009-6-10 10:47:51 评论

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怎么用啊,看不懂。
2009-6-12 08:33:29 评论

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什么啊?<br/>还扣除我了8分
2009-7-8 08:46:58 评论

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<div id="textstyle_7" style="FONT-SIZE: 9pt; OVERFLOW: hidden; WORD-BREAK: break-all; TEXT-INDENT: 24px; WORD-WRAP: break-word">怎么用啊,看不懂。 </div>
2009-11-27 19:04:20 评论

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<p>怎么用啊!能介绍下吗?</p>
2009-12-19 08:52:33 评论

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<p>怎么用啊,看不懂<a href="https://bbs.elecfans.com/index_68.html"></a></p>
2009-12-21 21:41:36 评论

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太黑啦。。。。
2010-3-20 18:37:29 评论

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是计算软件还是公式,看看和我的一样不,谢谢楼主了
2010-5-23 09:44:01 评论

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看看好用吗,谢谢楼主啊
2010-5-23 09:44:59 评论

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没有下载下来也扣分啊,不合理啊
2010-5-23 09:45:49 评论

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<font face="Verdana">??????????????????????????????????????????????</font>
2010-5-28 16:31:22 评论

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<font face="Verdana">??????????????????????????????????????????????</font>
2010-5-28 16:31:57 评论

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<font face="Verdana">??????????????????????????????????????????????</font>
2010-5-28 16:32:10 评论

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<div id="textstyle_7" style="FONT-SIZE: 9pt; OVERFLOW: hidden; WORD-BREAK: break-all; TEXT-INDENT: 24px; WORD-WRAP: break-word">怎么用啊,看不懂。 </div>
2010-10-9 13:09:17 评论

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我也没有看明白
2010-11-9 23:18:11 评论

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