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<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"> 目前针对绝缘子的污秽监测手段主要有三种：</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt;"><span lang="EN-US"><font face="Times New Roman">1.</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">等值盐密法；</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt;"><span lang="EN-US"><font face="Times New Roman">2.</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">泄漏电流法；</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt;"><span lang="EN-US"><font face="Times New Roman">3.</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">利用激光传感器在线监测；</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0;"><span lang="EN-US"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 28pt; mso-char-indent-count: 2.0;"><span style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">在此将三种监测方法作些技术对比，个人觉得利用激光传感器在线监测系统优于等值法（扫瓶子）和泄漏电流法。</span><span lang="EN-US" style="FONT-SIZE: 14pt;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt;"><span lang="EN-US"><font face="Times New Roman">1.</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">等值盐密法</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">★测量结果分散性较大</span><span lang="EN-US"><font face="Times New Roman">, </font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">很难合理确定测量周期。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">★在拆卸和运输的过程中，污秽物质难免会因刮擦而部分损失，很难保障测量结果的准确性。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">★是一种破坏性试验方法，无法对同一绝缘子的积污特性进行长期监测。很难得到饱和盐密值。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">★无法测量实时盐密值，无法科学指导输变电设备的状态清洗工作。</span><font face="Times New Roman">
</font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">★需要投入大量的人力和物力。并且测量前一般对整条输电线路或整座变电站停电，从而带来很大的社会影响。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: 21pt;"><span lang="EN-US"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt;"><span lang="EN-US"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt;"><span lang="EN-US"><font face="Times New Roman">2.</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">泄漏电流法；</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">★泄漏电流的大小不仅和污秽程度有关，而且和绝缘子的受潮程度有关，此外还和绝缘子的串长、几何形状等因素有关。如何根据测得的泄漏电流值评价绝缘子的污秽程度，如何确定泄漏电流报警的阀值等问题至今仍没有一个明确的结论。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: 21pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">★另外的一个问题是，只有在特定的气象条件下才能测到泄漏电流，在干旱少雨地区测泄漏电流的方法是不适用的，它仅适用于潮湿多雨的地区。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: 21pt;"><span lang="EN-US"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt;"><span lang="EN-US"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt;"><span lang="EN-US"><font face="Times New Roman">3.</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">利用激光传感器在线监测；</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 39pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">★无需停电监测，减少因为停电测量盐密而导致的电量损失；</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 39pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">★采用实时在线的方式，避免因为人工测量而导致盐密值不准确；</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 39pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">★改变传统</span><span lang="EN-US"><font face="Times New Roman">“</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">定时清扫</span><span lang="EN-US"><font face="Times New Roman">”</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">输变电设备的清扫模式，拟采取</span><span lang="EN-US"><font face="Times New Roman">“</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">状态清扫</span><span lang="EN-US"><font face="Times New Roman">”</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">输变电设备的</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">清扫模式，避免污闪事故的发生；</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 39pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">★获得饱和盐密，绘制各电网各地区的污区分布图，以期掌握各地区的积污规律。</span><span lang="EN-US"><font face="Times New Roman">
</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US" style="FONT-SIZE: 14pt;"><span style="mso-spacerun: yes;"><font face="Times New Roman"> </font></span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"> </span><span lang="EN-US" style="FONT-SIZE: 14pt;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 35pt; mso-char-indent-count: 2.5;"><span lang="EN-US" style="FONT-SIZE: 14pt;"><span style="mso-spacerun: yes;"><font face="Times New Roman"> </font></span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"> 欢迎来电交流</span><span lang="EN-US" style="FONT-SIZE: 14pt;"><font face="Times New Roman"> 027--87611009<span style="mso-spacerun: yes;"> </span>87611443<p></p></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US" style="FONT-SIZE: 14pt;"><span style="mso-spacerun: yes;"><font face="Times New Roman"> </font></span></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"> </span><span style="FONT-SIZE: 14pt;"><font face="Times New Roman">
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</font></span><span style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">公司网址</span><span lang="EN-US" style="FONT-SIZE: 14pt;"><font face="Times New Roman">:http://www.insulators.net.cn<p></p></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman"> </font></p></span></p> |
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