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(index == totalnum) { index = 0; } showImg(index) }, 6600); } ); //自动开始 var MyTime = setInterval(function () { index++; if (index == totalnum) { index = 0; } showImg(index) }, 6600) //关键函数：通过控制i ，来显示不通的幻灯片 function showImg(i) { $("#img img") .parent().siblings().find("img").hide() .eq(i).stop(true, true).fadeIn(1800) $("#SwitchNav li") .eq(i).addClass("current") .siblings().removeClass("current"); } }) </script> </div> </div><div id="vehh2a3alsa" class="AfficheInfoControl_2"><div id="vehh2a3alsa" class="AfficheInfoControl_3" id="id_PageTemplateControl_2_container"> <div id="vehh2a3alsa" class="share_PageTemplateControl_2_1"> <div id="vehh2a3alsa" class="share_PageTemplateControl_2_2"> <div class="vehh2a3alsa" id="id_PageTemplateControl_2_0_0_container" class="share_PageTemplateControl_2_3">联系我们</div> </div> </div> <div id="vehh2a3alsa" class="share_PageTemplateControl_2_4"> <div style="width:207px; height:58px; padding-left:7px; padding-top:5px;"> <script language="javascript" type="text/javascript" src='//8.yzimgs.com/Ad.aspx?adSystemId=467875&PlaceId=6'></script> </div> </div> <div class="vehh2a3alsa" id="id_PageTemplateControl_2_2_container" class="share_PageTemplateControl_2_5"> </div> <div id="vehh2a3alsa" class="share_PageTemplateControl_2_6"> <div id="vehh2a3alsa" class="share_PageTemplateControl_2_7"> <div class="vehh2a3alsa" id="id_PageTemplateControl_2_3_0_container" class="share_PageTemplateControl_2_8">产品分类</div> </div> </div> <div class="vehh2a3alsa" id="id_PageTemplateControl_2_4_container" class="share_PageTemplateControl_2_9" style="height:auto;"> <div id="vehh2a3alsa" class="pscSubCon" id="pscSubCon" style="height:auto;"> <dl onmouseover="ShowMenuDd(this)" class="visible repeatItem"> <dt> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl00_lnkCatalog" title="甲.乙级防雷检测仪器专用设备" class="link" href="/shty168_Category_3904697_1.html">甲.乙级防雷检测仪器专用设备</a> </div> </dt> <dd> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl00_rptDatumList_ctl00_hlkTitle" title="标准电阻" class="link" href="/shty168_ChiClass_3904797_1.html">标准电阻</a> </div> </dd> <dd> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl00_rptDatumList_ctl01_hlkTitle" title="数字万用表" class="link" href="/shty168_ChiClass_3904796_1.html">数字万用表</a> </div> </dd> <dd> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl00_rptDatumList_ctl02_hlkTitle" title="静电电位测试仪" class="link" href="/shty168_ChiClass_3904792_1.html">静电电位测试仪</a> </div> </dd> <dd> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl00_rptDatumList_ctl03_hlkTitle" title="表面阻抗测试仪" class="link" href="/shty168_ChiClass_3904791_1.html">表面阻抗测试仪</a> </div> </dd> <dd> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl00_rptDatumList_ctl04_hlkTitle" title="绝缘电阻测试仪" class="link" href="/shty168_ChiClass_3904784_1.html">绝缘电阻测试仪</a> </div> </dd> <dd> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl00_rptDatumList_ctl05_hlkTitle" title="防雷元件测试仪" class="link" href="/shty168_ChiClass_3904782_1.html">防雷元件测试仪</a> </div> </dd> <dd> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl00_rptDatumList_ctl06_hlkTitle" title="环路电阻测试仪" class="link" href="/shty168_ChiClass_3904780_1.html">环路电阻测试仪</a> </div> </dd> <dd> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl00_rptDatumList_ctl07_hlkTitle" title="等电位测试仪" class="link" href="/shty168_ChiClass_3904775_1.html">等电位测试仪</a> </div> </dd> <dd> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl00_rptDatumList_ctl08_hlkTitle" title="土壤电阻率测试仪" class="link" href="/shty168_ChiClass_3904771_1.html">土壤电阻率测试仪</a> </div> </dd> <dd> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl00_rptDatumList_ctl09_hlkTitle" title="大地网测试仪" class="link" href="/shty168_ChiClass_3904769_1.html">大地网测试仪</a> </div> </dd> </dl> <dl onmouseover="ShowMenuDd(this)" class="visible repeatItem"> <dt> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl01_lnkCatalog" title="地下管线探测仪" class="link" href="/shty168_Category_3981526_1.html">地下管线探测仪</a> </div> </dt> </dl> <dl onmouseover="ShowMenuDd(this)" class="visible repeatItem"> <dt> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl02_lnkCatalog" title="冲击电压发生器成套装置" class="link" href="/shty168_Category_3981556_1.html">冲击电压发生器成套装置</a> </div> </dt> </dl> <dl onmouseover="ShowMenuDd(this)" class="visible repeatItem"> <dt> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl03_lnkCatalog" title="相位伏安表" class="link" href="/shty168_Category_3571103_1.html">相位伏安表</a> </div> </dt> </dl> <dl onmouseover="ShowMenuDd(this)" class="visible repeatItem"> <dt> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl04_lnkCatalog" title="氧化锌避雷器测试仪" class="link" href="/shty168_Category_3403703_1.html">氧化锌避雷器测试仪</a> </div> </dt> </dl> <dl onmouseover="ShowMenuDd(this)" class="visible repeatItem"> <dt> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl05_lnkCatalog" title="真空度测量仪" class="link" href="/shty168_Category_3402299_1.html">真空度测量仪</a> </div> </dt> </dl> <dl onmouseover="ShowMenuDd(this)" class="visible repeatItem"> <dt> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl06_lnkCatalog" title="互感器伏安特性测试仪" class="link" href="/shty168_Category_3400965_1.html">互感器伏安特性测试仪</a> </div> </dt> </dl> <dl onmouseover="ShowMenuDd(this)" class="visible repeatItem"> <dt> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl07_lnkCatalog" title="安全工器具检测类" class="link" href="/shty168_Category_3266384_1.html">安全工器具检测类</a> </div> </dt> </dl> <dl onmouseover="ShowMenuDd(this)" class="visible repeatItem"> <dt> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl08_lnkCatalog" title="继电保护测试仪器" class="link" href="/shty168_Category_2653415_1.html">继电?；げ馐砸瞧?/a> </div> </dt> </dl> <dl onmouseover="ShowMenuDd(this)" class="visible repeatItem"> <dt> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl09_lnkCatalog" title="高压开关测试仪器" class="link" href="/shty168_Category_2653419_1.html">高压开关测试仪器</a> </div> </dt> </dl> <dl onmouseover="ShowMenuDd(this)" class="visible repeatItem"> <dt> <div id="vehh2a3alsa" class="maxLen"> <a id="ctl00_ctl01_pscSubCon_rptCatalogList_ctl10_lnkCatalog" title="介质损耗测试仪器" class="link" href="/shty168_Category_2653420_1.html">介质损耗测试仪器</a> </div> </dt> </dl> <dl onmouseover="ShowMenuDd(this)" class="visible repeatItem"> <dt> <div id="vehh2a3alsa" class="maxLen"> 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id="ctl00_aiSubCon_AfficheTitleLabel"><h1>浅谈500kV线路保护的定检简便方法</h1></span> </div> <div id="vehh2a3alsa" class="aiSubCon_3"> <span id="ctl00_aiSubCon_AfficheInfoLabel" class=" yzeditor" style="WORD-BREAK: normal"><p> 0 引言 </p> <p> 继电?；ざㄆ诩煅槭翘岣呒痰绫；さ恼范髀?，保证电力系统安全运行的*基本措施[1]。继电保护装置正确投入运行后，由于长时间运行，周围环境状况变化、装置的元件失效或特性的变化都可以造成继电保护装置动作失常[2]，为了保证电气设备安全运行，必须做好继电?；ぷ爸玫奈び胧匝楣ぷ?。 </p> <p> 500 kV 主网架骨干线路的?；ぷ爸枚哉鱿低嘲踩诵衅鹬凉刂匾淖饔茫匦胍龅桨踩煽縖3]。500 kV 线路是广东电网的主干网络，网络的冗余度低，停电机会少且停电时间有限，定检工作量大。因此研究如何尽量缩短 500 kV 线路?；ざ斓耐瓿墒奔涮岣叨煨?，保证及时、高效、准确地完成 500 kV 线路保护维护与试验任务具有重要的现实意义。 </p> <p> 本文针对 500 kV 线路?；ざ煲?，提出一种新的试验接线策略，同时基于奥地利 OMICRON 继电?；げ馐砸亲灾魃杓屏艘恢中滦偷?500 kV 线路保护自动化试验模板。文中具体分析了该简便定检方法的试验接线策略和 500 kV 线路?；ぜ虮慊馐阅０宓木咛迨迪?。本文提出的 500 kV 线路?；ざ旆椒ɡ米灾鞫慰⒌氖匝槟０謇词迪质匝榈募虮慊⒔岷闲碌氖匝榻酉卟呗砸淮涡酝瓿伤惺匝榻酉?，为保证高效准确完成定检任务提供了完善的解决方案。 </p> <p> 1 新的试验接线策略 </p> <p> 一般的定检方法是测试一套?；ぞ椭匦伦鲆淮问匝榻酉撸庵址椒ǖ闹饕蛔闶且淮沃荒懿馐砸惶妆；4]。一套?；ぷ爸媚谏婕岸嘀掷嘈偷谋；ぃ话悴馐苑椒ú馐酝暌焕啾；ぞ鸵匦陆酉?，需要在保护屏内进行频繁拆接线，而且需要多人配合，使得?；すδ苁匝椴馐允奔浣铣5]。基于能否一次从事多套?；ぢ呒δ苁匝榈目悸?，本文提出一种新的试验思路：采用各保护电流回路串联，电压回路并联，所有?；な匝榻酉呔涂梢砸淮涡酝瓿?，试验时通过投退硬压板来选择待测试保护设备，这样可以一次接线完成多套?；すδ苁匝椤? </p> <p> 本文提出的新试验接线策略图如图1所示。从测试仪器的电流端口输出，接入**套500 kV线路保护的主?；た拷；げ嗟缌鞫俗樱缌鞔?*套?；ざ懒⒑蟊副；さ缌鞫俗恿鞒?，再接入**套500kV线路?；さ闹鞅；T回路靠近保护侧端子，同样从**套?；さ缌髁鞒龆私尤?00 kV边开关断路器?；ぃ俳尤?00 kV中开关保护，并*后形成电流回路尾口，对于电压回路接线则实行各个?；さ缪共⒘?。 </p> <p> 所有保护试验接线一次性完成后，可以通过加电流电压采样来验证整个接线的正确性。采取这种新的接线策略，完全避免了在?；て聊诮衅捣苯酉吖ぷ鳎蚧耸匝榻酉吣讯龋佣蟠蠹跎倭讼殖〗酉呤奔浜凸ぷ髁?。 </p> <p> 此外，这种新接线方式，为试验提供了一个很大的方便，如果想做**套?；さ墓δ苁匝?，则只需要投上这套?；ぱ拱寰涂梢越小Ｈ绻蓖度肓教妆；ぱ拱?，则可以同时同步进行两套保护的试验。 </p> <p> 2 500 kV线路?；ぜ虮慊馐韵低? </p> <p> 如前所述，新型的试验接线策略可实现所有?；な匝榻酉咭淮涡酝瓿桑ü惭拱蹇刂拼馐员；さ难≡?，这样可以一次接线完成多套?；すδ苁匝椤Ｕ庵中碌氖匝榻酉叻绞轿?500 kV 线路保护定期检验的简便化测试提供了可能，但是要实现全程简便化自动测试检验，需要测试设备能够自动执行各项?；すδ苈呒匝?。因此本文在基于 OMICRON继电?；げ馐砸瞧教ɑ∩隙慰⑸杓屏艘恢终攵?500 kV 线路?；さ募虮慊匝槟０濉? </p> <p> 2.1 500 kV 线路?；さ募虮慊匝槟０? </p> <p> 基于 OMICRON 软件平台的 500 kV 线路?；さ亩旒虮悴馐阅０逯饕鞘匝楦鞲霰；さ穆呒δ苷沸裕虼瞬煌侗；さ某隹谘拱?，以各个保护为独立项目进行设计。针对主保护设计纵联方向、纵联距离、纵联零序方向?；?、重合闸时间测试项目。在各套?；すδ懿馐越峁猩柚梦蟛钋蚶磁斜鸩馐越峁恼沸?，本文设计的 500 kV 线路保护简便化测试系统能根据设定的检验项目自动生成测试报告、自动记录结果、自动结果评估，克服了手动测试人工干预易产生人为测量误差的缺陷，避免由于工作人员水平差异的人为的试验漏项、误判断的情况，同时将整个定检过程程序化、标准化，既保证了定检项目的完整性，也大大降低了因人员素质、经验差异造成安全隐患的几率。 </p> <p> 专门设计一个各套?；ご卮氖匝橄钅磕？椋苑奖愦槭?。设置完成各个测试项目后，可以通过选择在各个项目前打勾实现自动执行操作试验，也可以实行单个项目执行操作试验，具有操作方便灵活性。 </p> <p> 这个 500 kV 线路保护简便测试平台可以依次顺序执行各个预定项目，便于操作，同时通过暂停项目设置，为各套保护试验之间的灵活转换提供可行性，通过?；さ挠惭拱逋锻搜≡翊馐员；ぃ朔艘酝垂δ苣？榈ザ勒ǖザ朗匝榈牟馐阅Ｊ讲蛔?，极大方便了定检执行，大大减少了现场测试工作量，提高了定检效率。 </p> <p> 2.2 新型简便化定检方法应用及其效果 </p> <p> 本文提出的 500 kV 线路?；ざ旒虮惴椒ǔ晒ττ糜诠愣》鹕焦┑缇?500 kV 西江站 6 条500 kV 线路定期检验和 500 kV 顺德站 8 条 500 kV </p> <p> 线路保护投产前试验，试验测试表明采用这种新简便定检方法完成一条 500 kV 线路保护定检（包括开关保护）时间由原来的 3 天减少到平均 2 天。通过与一般常规定检方法比较，测试结果表明定检方法具有以下优势： </p> <p> （1）新型试验接线策略一次性完成所有试验接线工作，简化接线复杂性，大大减少现场接线工作量和时间。 </p> <p> （2）二次开发的现场测试软件平台实现了500 kV 线路保护逻辑功能测试的自动化操作，操作简单快捷，简化了定值数据输入，有效提高现场测试效率。 </p> <p> （3）实现 500 kV 线路?；ざ旃ぷ骷虮慊远啦饨峁刹馐员ǜ?，避免了人为的试验漏项、误判的情况，保证测试结果客观准确性。 </p> <p> 现场测试验证表明该简便定检方法能明显缩短定检时间，降低工作量，操作方便简捷，具有自动化执行特性，为实现 500 kV 线路?；と碳虮慊焯峁┝艘恢挚尚锌煽康氖匝槭凳┓桨?。 </p> <p> 3 结语 </p> <p> 本文结合 500 kV 线路?；ざㄆ诩煅槭导视τ靡?，提出了一种 500 kV 线路?；ざ旒虮惴椒?。文中具体分析了该新型 500 kV 线路?；ぜ虮慊旆椒ǖ氖匝榻酉卟呗院妥远馐阅０寮捌涔δ苁迪钟胗τ?。本文提出的?；ぷ爸枚旒虮惴椒捎行醵潭焓奔洌档投旃ぷ髑慷?，提高定检效率，实现 500 kV 线路保护定检简便化和标准化，确保及时、高效、准确地完成定检任务，为电网安全稳定运行提供可靠保证，具有较强的实际推广价值。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p><div id="vehh2a3alsa" class="datumrelate">上一篇：<a href="/shty168_Affiche_11889406.html">解析继电保护装置自动测试系统的研究和设计</a><br />下一篇：<a href="/shty168_Affiche_11888807.html">数字化变电站继电保护校验的分析</a></div></span> </div> </div> </div></div></div><div id="vehh2a3alsa" class="AfficheInfoControl_5"></div><div id="vehh2a3alsa" class="AfficheInfoControl_6"></div><div id="vehh2a3alsa" class="AfficheInfoControl_1" id="id_PageTemplateControl_3_container"> <div id="vehh2a3alsa" class="share_PageTemplateControl_3_1"> <div class="vehh2a3alsa" 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