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 </p> <p>  4.防止检修不慎破坏绝?检修吊芯时,应注意保护线圈或绝缘套管,如果发现有擦破损伤,应及时处理;   </p> <p>  5.保证导线接触良?线圈内部接头接触不良,线圈之间的连接点、引至高、低压侧套管的接点、以及分接开关上各支点接触不良,会产生局部过热,破坏绝缘,发生短路或断路。此时所产生的高温电弧会使绝缘油分解,产生大量气体,变压器内压力加。当压力超过瓦斯断电器保护定值而不跳闸时,会发生爆炸;   </p> <p>  6.保证绝缘油质量:绝缘油在贮存、运输或运行维护中,若油质量差或杂质、水分过多,会降低绝缘强度。当绝缘强度降低到一定值时,变压器就会短路而引起电火花、电弧或出现危险温度。因此,运行中应定期化验油质,不合格的油应及时更换;</p> <p>  7.保持良好的接地:对于采用保护接零的低压系统,低压侧中性点要直接接地当三相负载不平衡时,零线上会出现电流。当这一电流过大而接触电阻又较大时,接地点就会出现高温,引燃周围的可燃物质; <br />     <br />   8.短路保护要可靠:线圈或负载发生短路,变压器将承受相当大的短路电流,如果保护系统失灵或保护定值过大,就有可能烧毁变压器。为此,必须安装可靠的短路保护装置;  </p> <p>  9.防止超?运行时应监视温度的变化。如果变压器线圈导线是A级绝缘,其绝缘体以纸和棉纱为主,温度的高低对绝缘和使用寿命的影响很大,温度每升高8℃,绝缘寿命要减?0%左右。变压器在正常温?90 ?下运行,寿命?0年;若温度升?05℃,则寿命为7?温度升至120℃,寿命仅为两年。所以高频变压器运行时,一定要保持良好的通风和冷却,必要时可采取强制通风,以达到降低变压器温升的目的?br />  </p> </div> <div class="apage" id="showfenye"> <!--资讯分页:start--> <script type="text/javascript"> var pagecont=1; if(pagecont > 2) { var ss = new Cls_jsPage(1, 1, 5, "ss"); ss.setPageSE("helps-80161438521_", ".html"); ss.setPageInput("Page"); ss.setUrl(""); ss.setPageFrist("<a disabled='true'class='ob'>首页</a>", "首页"); ss.setPagePrev("<a disabled='true'class='ob'>上一?/a>", "上一?); ss.setPageNext("<a disabled='true'class='ob'>下一?/a>", "下一?); ss.setPageLast("<a disabled='true'class='ob'>尾页</a>", "尾页"); ss.setPageText("{$PageNum}", "{$PageNum}"); ss.setPageTextF("{$PageTextF}", "{$PageTextF}"); ss.setPageSelect("{$PageNum}", "{$PageNum}"); ss.setPageCss("o", "", ""); ss.setHtml("<div class='o'>{$PageFrist}{$PagePrev}{$PageText}{$PageNext}{$PageLast}</div>"); ss.Write(); } else { document.getElementById("showfenye").style.display="none"; } </script> <!--资讯分页:end--> </div> <div class="gduo"> <span>下一篇:<a disabled="true" href="/Article/helps-08391601581_1.html">高频变压器的EMI是怎么产生?</a></span>上一篇:<a disabled="true" href="/Article/helps-97761433101_1.html"> 多平面高频变压器设计注意事项</a></div> </div> <div class="info_key"> <span>此文关键字:</span><a target='_blank' href="/Search/index.aspx?1=1&kwd=%e9%ab%98%e9%a2%91%e5%8f%98%e5%8e%8b%e5%99%a8">高频变压?/a> <a target='_blank' href="/Search/index.aspx?1=1&kwd=%e5%bc%80%e5%85%b3%e7%94%b5%e6%ba%90%e5%8f%98%e5%8e%8b%e5%99%a8">开关电源变压器</a> <a target='_blank' href="/Search/index.aspx?1=1&kwd=%e7%94%b5%e6%84%9f%e7%ba%bf%e5%9c%88%e7%94%9f%e4%ba%a7%e5%8e%82%e5%ae%b6">电感线圈生产厂家</a> <a target='_blank' href="/Search/index.aspx?1=1&kwd=%e6%b7%b1%e5%9c%b3%e6%99%a8%e9%a3%9e%e7%94%b5%e5%ad%90">深圳晨飞电子</a> </div> <div class="n_info_con2"> <div> </div> <h4 class="t04"> 关于?span></span>”的相关资讯</h4> <div class="info_b"> <ul class="p_list_ul"> </ul> <div class="clear"> </div> </div> <div class="clear"> </div> </div> </div> <div class="clear"> </div> </div> <!--content:end--> <!--footer:start--> <div class="footer"> <div class="footnav"> <a href="/Helps/aboutus.html">关于晨飞</a>|<a href="http://szchenfeipower.1688.com" target="_blank">晨飞阿里巴巴零售旗舰?/a>|<a href="/job/">人才招聘</a>|<a href="/help/">售后服务中心</a>|<a href="mailto:sales@chenfeipower.com">公司邮箱</a>|<a href="/Sitemap.html">网站地图 </a>|<a href="/Helps/ContactUs.html">联系晨飞</a>|<a href="/user/Register.aspx">用户注册 </a> </div> <div class="font"> <div class="ico3 fl"> <img src="/Skins/Default/Img/Common/ico2.gif" alt="" title="" /></div> <div class="font1 fl"> 地址:深圳市龙岗区龙东鸿基路江南工业???br /> 全国服务热线?000-160-260 <a href="http://www.miitbeian.gov.cn">粤ICP?1044697?1</a><br /> 电话?755-28372867 传真?755-22716226 <br /> <span>阿里巴巴网店<a href="http://szchenfeipower.1688.com" target="_blank">:http://szchenfeipower.1688.com/</a></span><br /> 合作机构:百?阿里巴巴 中国电子商务协会 单仁资讯 实战商业智慧<br /> 诚征媒体合作>> 征求友情链接>> 合作网站列表>> </div> <div class="ico4 fl"> <img src="/Skins/Default/Img/Common/ico3.gif" alt="" title="" /></div> <div class="clear"> </div> </div> </div> <!--footer:end--> <script type="text/javascript"> var _bdhmProtocol = (("https:" == document.location.protocol) ? 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