📄 gbt 16434-1996.html
字号:
mso-hansi-font-family:"Times New Roman"'>—</span>91<span style='font-family:
宋体;mso-hansi-font-family:"Times New Roman"'><span style="mso-spacerun:
yes"> </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"'>常用绝缘子术语</span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
<p class=MsoNormal> <span style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
<P class=MsoNormal><A NAME="A3"></A>3<span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes"> </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"'>名词术语</span><span style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></P>
<p class=MsoNormal>3.1<span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes"> </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"'>爬电比距</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"> </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"'>电力设备外绝缘的爬电距离对最高工作电压有效值之比。</span><span style='mso-bidi-font-size:
10.0pt'><o:p></o:p></span></p>
<p class=MsoNormal>3.2<span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes"> </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"'>名词术语除应符合本标准外，还应符合</span>GB<span style='font-family:宋体;
mso-hansi-font-family:"Times New Roman"'> </span>2900.8<span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>—</span>1995<span lang=ZH-CN style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>及</span>JB/T<span
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'> </span>5896<span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>—</span>91<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='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
<P class=MsoNormal><A NAME="A4"></A>4<span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes"> </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"'>污秽等级的划分</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"> </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"'>本标准规定将线路设备的污级共划分为</span>0<span lang=ZH-CN style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>、Ⅰ、Ⅱ、Ⅲ和Ⅳ五级，发电厂、变电所设备的污级共划分为Ⅰ、Ⅱ、Ⅲ和Ⅳ四级，并提出了各污级下相应的外绝缘爬电比距。</span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
<p class=MsoNormal>4.1<span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes"> </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"'>外绝缘的污秽等级应根据各地的污湿特征、运行经验并结合其表面污秽物质的等值附盐密度</span>(<span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>简称盐密</span>)<span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>三个因素综合考虑划分，当三者不一致时，应依据运行经验决定。</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"> </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"'>运行经验主要根据现有运行设备外绝缘的污闪跳闸和事故记录、地理和气象特点、采用的防污措施等情况考虑，见附录</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"'>。</span><span style='mso-bidi-font-size:
10.0pt'><o:p></o:p></span></p>
<p class=MsoNormal>4.2<span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes"> </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"'>新建高压架空线路和发电厂、变电所时应考虑邻近已有线路和厂、所的运行情况，参考该地区的污秽度和气象条件，以及城市、工业区发展规划进行绝缘设计选择。</span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
<p class=MsoNormal>4.3<span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes"> </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"'>对处于污秽环境中用于中性点绝缘和经消弧线圈接地系统的电力设备，其外绝缘水平一般可按高一级选取。</span><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
<p class=MsoNormal>4.4<span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes"> </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"'>划分污级的盐密值应是以</span>1<span lang=ZH-CN style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>～</span>3<span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>年的连续积污盐密为准。对</span>500kV<span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>线路以</span>3<span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>年积污盐密值确定污级。</span><span style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></p>
<p class=MsoNormal>4.5<span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes"> </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"'>线路和发电厂、变电所的盐密均指由普通悬式绝缘子</span>XP-70<span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>型</span>(X-4.5<span lang=ZH-CN style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>型</span>)<span
lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>及</span>XP-160<span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>型所组成的悬垂串上测得值，其他瓷件应按实际积污量加以修正。变电设备取样应逐步过渡到以支柱绝缘子为主，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>4.6<span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes"> </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"'>线路和发电厂、变电所设备外绝缘各污秽等级和对应的盐密按表</span>1<span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>规定划分。</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'>1</span><span
style='font-family:宋体;mso-hansi-font-family:"Times New Roman";color:red'><span
style="mso-spacerun: yes"> </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'>线路和发电厂、变电所污秽等级</span><span style='mso-bidi-font-size:
10.0pt;color:red'><o:p></o:p></span></p>
<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=73 rowspan=2 style='width:55.0pt;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"'>污秽等级</span><sub><span style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></sub></p>
</td>
<td width=406 rowspan=2 style='width:304.6pt;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"'>污</span><span style='font-family:宋体;mso-hansi-font-family:
"Times New Roman"'><span style="mso-spacerun: yes"> </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"'>湿</span><span style='font-family:
宋体;mso-hansi-font-family:"Times New Roman"'><span style="mso-spacerun:
yes"> </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"'>特</span><span
style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'><span
style="mso-spacerun: yes"> </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"'>征</span><sub><span style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></sub></p>
</td>
<td width=251 colspan=2 style='width:188.4pt;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"'>盐密，</span>mg/cm<sup>2</sup><sub><span style='mso-bidi-font-size:
10.0pt'><o:p></o:p></span></sub></p>
</td>
</tr>
<tr style='height:11.0pt'>
<td width=119 style='width:89.4pt;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'><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"> </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"'>路</span><sub><span style='mso-bidi-font-size:
10.0pt'><o:p></o:p></span></sub></p>
</td>
<td width=132 style='width:99.0pt;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'><span lang=ZH-CN
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>发电厂、变电所</span><sub><span style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></sub></p>
</td>
</tr>
<tr style='height:11.0pt'>
<td width=73 style='width:55.0pt;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'>0<sub><span
style='mso-bidi-font-size:10.0pt'><o:p></o:p></span></sub></p>
</td>
<td width=406 style='width:304.6pt;border-top:none;border-left:none;
border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
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