dlt 601-1996.html

电气专业设计规范

  </td>
  <td width=120 style='width:90.0pt;border-top:none;border-left:none;
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  padding:0mm 5.4pt 0mm 5.4pt;height:11.0pt'>
  <p class=MsoNormal align=center style='text-align:center'>50<sub><span
  style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></sub></p>
  </td>
  <td width=120 style='width:90.0pt;border-top:none;border-left:none;
  border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  padding:0mm 5.4pt 0mm 5.4pt;height:11.0pt'>
  <p class=MsoNormal align=center style='text-align:center'>95<sub><span
  style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></sub></p>
  </td>
  <td width=108 valign=top style='width:81.0pt;border-top:none;border-left:
  none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  padding:0mm 5.4pt 0mm 5.4pt;height:11.0pt'>
  <p class=MsoNormal align=center style='text-align:center'>35<span
  style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
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 </tr>
 <tr style='height:11.0pt'>
  <td width=176 style='width:132.0pt;border:solid windowtext .5pt;border-top:
  none;mso-border-top-alt:solid windowtext .5pt;padding:0mm 5.4pt 0mm 5.4pt;
  height:11.0pt'>
  <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN
  style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
  "Times New Roman"'>铜芯绝缘线</span><sub><span style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></sub></p>
  </td>
  <td width=131 style='width:98.4pt;border-top:none;border-left:none;
  border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  padding:0mm 5.4pt 0mm 5.4pt;height:11.0pt'>
  <p class=MsoNormal align=center style='text-align:center'>120<sub><span
  style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></sub></p>
  </td>
  <td width=120 style='width:90.0pt;border-top:none;border-left:none;
  border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  padding:0mm 5.4pt 0mm 5.4pt;height:11.0pt'>
  <p class=MsoNormal align=center style='text-align:center'>25<sub><span
  style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></sub></p>
  </td>
  <td width=120 style='width:90.0pt;border-top:none;border-left:none;
  border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  padding:0mm 5.4pt 0mm 5.4pt;height:11.0pt'>
  <p class=MsoNormal align=center style='text-align:center'>70<sub><span
  style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></sub></p>
  </td>
  <td width=108 style='width:81.0pt;border-top:none;border-left:none;
  border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
  padding:0mm 5.4pt 0mm 5.4pt;height:11.0pt'>
  <p class=MsoNormal align=center style='text-align:center'>16<sub><span
  style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></sub></p>
  </td>
 </tr>
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</div>

<p class=MsoNormal align=center style='text-align:center'><sup>&nbsp;</sup><sup><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></sup></p>

<p class=MsoNormal>5.3.2<span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes">&nbsp; </span></span><span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>采用允许电压降校验时：</span><span style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span>a)<span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>中压绝缘配电线路，自供电的变电所二次侧出口至线路末端变压器或末端受电变电所一次侧入口的允许电压降为供电变电所二次侧额定电压</span>(6<span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>、</span>10kV)<span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>的</span>5%<span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>；</span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span>b)<span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>低压绝缘配电线路，自配电变压器二次侧出口至线路末端</span>(<span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>不包括接户线</span>)<span lang=ZH-CN style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>的允许电压降为额定低压配电电压</span>(220<span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>、</span>380V)<span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>的</span>4%<span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>。</span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal>5.4<span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes">&nbsp; </span></span><span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>校验导线的载流量时，</span>PE<span lang=ZH-CN style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>、</span>PVC<span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>绝缘的导线的允许温度采用</span>+70<span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>℃，</span>XLPE<span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>绝缘的导线的允许温度采用</span>+90<span lang=ZH-CN style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>℃。绝缘导线载流量的参考数据见附录</span>C<span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>。</span><span style='mso-bidi-font-size:
10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal>5.5<span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes">&nbsp; </span></span><span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>三相四线制低压绝缘配电线路的最小零线截面见表</span>2<span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>。单相制的零线截面，应与相线截面相同。</span><span style='mso-bidi-font-size:
10.0pt'><o:p></o:p></span></p>

<p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman";color:red'>表</span><span style='color:red'>2</span><span
style='font-family:宋体;mso-hansi-font-family:"Times New Roman";color:red'><span
style="mso-spacerun: yes">&nbsp; </span></span><span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman";color:red'>三相四线制低压绝缘配电线路的最小零线截面</span><span style='font-family:
宋体;mso-hansi-font-family:"Times New Roman";color:red'><span
style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span
style='color:red'>mm<sup>2</sup></span><sup><span style='mso-bidi-font-size:
10.0pt;color:red'><o:p></o:p></span></sup></p>

<div align=center>

<table border=1 cellspacing=0 cellpadding=0 style='border-collapse:collapse;
 border:none;mso-border-alt:solid windowtext .5pt;mso-padding-alt:0mm 5.4pt 0mm 5.4pt'>
 <tr style='height:11.0pt'>
  <td width=211 style='width:158.4pt;border:solid windowtext .5pt;padding:0mm 5.4pt 0mm 5.4pt;
  height:11.0pt'>
  <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN
  style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
  "Times New Roman"'>导</span><span style='font-family:宋体;mso-hansi-font-family:
  "Times New Roman"'><span style="mso-spacerun: yes">&nbsp; </span></span><span
  lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
  mso-hansi-font-family:"Times New Roman"'>线</span><span style='font-family:
  宋体;mso-hansi-font-family:"Times New Roman"'><span style="mso-spacerun:
  yes">&nbsp; </span></span><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:
  "Times New Roman";mso-hansi-font-family:"Times New Roman"'>种</span><span
  style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
  style="mso-spacerun: yes">&nbsp; </span></span><span lang=ZH-CN
  style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
  "Times New Roman"'>类</span><sub><span style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></sub></p>
  </td>
  <td width=204 style='width:153.0pt;border:solid windowtext .5pt;border-left:
  none;mso-border-left-alt:solid windowtext .5pt;padding:0mm 5.4pt 0mm 5.4pt;
  height:11.0pt'>
  <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN
  style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
  "Times New Roman"'>相</span><span style='font-family:宋体;mso-hansi-font-family:
  "Times New Roman"'><span style="mso-spacerun: yes">&nbsp; </span></span><span
  lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
  mso-hansi-font-family:"Times New Roman"'>线</span><span style='font-family:
  宋体;mso-hansi-font-family:"Times New Roman"'><span style="mso-spacerun:
  yes">&nbsp; </span></span><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:
  "Times New Roman";mso-hansi-font-family:"Times New Roman"'>截</span><span
  style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
  style="mso-spacerun: yes">&nbsp; </span></span><span lang=ZH-CN
  style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
  "Times New Roman"'>面</span><sub><span style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></sub></p>
  </td>
  <td width=249 valign=top style='width:187.0pt;border:solid windowtext .5pt;
  border-left:none;mso-border-left-alt:solid windowtext .5pt;padding:0mm 5.4pt 0mm 5.4pt;
  height:11.0pt'>
  <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN
  style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
  "Times New Roman"'>最</span><span style='font-family:宋体;mso-hansi-font-family:
  "Times New Roman"'><s