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href="http://www.cdcfah.com/cp/third-gkxtjzbyb_baohuqijq/">保護器</a>?六盤水弧光保護維修歡迎來電江蘇基頓電氣供應</p><div id="geuig2o" class="leftbox clearfix"><h1>六盤水弧光保護維修歡迎來電江蘇基頓電氣供應</h1><div id="gcki22k" class="proBig"><div id="sgmkouq" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090209277344/1236657.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2msqwky" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090209277344/1236657.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="mecw42m" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>六盤水弧光保護維修,弧光保護</p><p><span>***更新：</span>2021-01-26 03:07:02</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="sg2e0gc" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇基頓電氣自動化有限公司</a></p><p><span>聯(lián)系人：</span>高經(jīng)理</p><p><span>郵箱: </span>215741001@qq.com</p><p><span>電話: </span>13328157222</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0510-85027009</p><p><span>地址: </span>長安鎮(zhèn)友誼路28號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="2q4wkom" class="page-proshow02"><p class="title">詳細說明</p><div id="2c0w8ym" class="box"><p><p> 保護操作人員不受傷害，并且可以降低財產(chǎn)損失程度簡稱電弧光保護?；」獗Ｗo的重要性變配電用的中低壓開關(guān)柜為供電系統(tǒng)的供電樞紐之一，在開關(guān)柜發(fā)生內(nèi)部故障時，能否迅速切除故障，對電力系統(tǒng)的安全運行至關(guān)重要，六盤水弧光保護維修。中低壓開關(guān)柜在內(nèi)部發(fā)生短路故障時，必然出現(xiàn)電弧光的現(xiàn)象，電弧光是供電設(shè)備損壞的能量來源，按照IEC-62271-200標準和IEEE，開關(guān)柜能承受內(nèi)部放電燃弧的時間為100ms?；」夥烹姇r燃弧時間與對設(shè)備造成的損壞程度關(guān)系，如下：當使用傳統(tǒng)時間梯度或基于保護配合閉鎖的保護原理時，傳統(tǒng)的保護系統(tǒng)不能在規(guī)定時間內(nèi)切除燃弧故障。電弧光保護通過檢測弧光與故障電流，將總故障切除時間控制在開關(guān)柜可承受燃弧時間內(nèi)，將弧光短路產(chǎn)生的危害降到比較低，六盤水弧光保護維修，六盤水弧光保護維修?；」獗Ｗo的可靠性電弧光保護的原理如下圖所示，它的動作判斷據(jù)為故障時產(chǎn)生的兩個條件，即弧光和電流。“光”與“電”相與的判據(jù)原理決定了弧光保護系統(tǒng)可靠性高于只用“電”作為判據(jù)的保護類型。弧光保護邏輯SAQE弧光傳感器采用**的弧光檢測技術(shù)，對日常光具有不敏感性，可有效避免除電弧光外其他光的干擾?；」獗Ｗo的意義1、保護附近工作人員免受電弧光對人身的傷害；2、保護中低壓設(shè)備免受嚴重破壞。專業(yè)提供饋線弧光保護系統(tǒng)，歡迎咨詢。六盤水弧光保護維修</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="六盤水弧光保護維修,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090209277344/1236657.jpg"></div><p> 由全國量度繼電器和保護設(shè)備標準化技術(shù)**會（SAC/TC154）**、云南電網(wǎng)公司電力科學研究院牽頭、行業(yè)企業(yè)、各網(wǎng)省公司及檢測機構(gòu)等業(yè)內(nèi)**參與起草的國家標準GB/T 14598.302-2016《弧光保護裝置技術(shù)要求》已于2016年9月1日正式實施。 </p> <p> 本標準規(guī)定了弧光保護裝置的技術(shù)要求、試驗方法、檢驗規(guī)則、標志、標簽和包裝、運輸、貯存等。 </p> <p> 標準適用于弧光保護裝置及其接口設(shè)備，作為弧光保護產(chǎn)品設(shè)計、制造、試驗和應用的依據(jù)。 </p> <p> GB/T 14598.302-2016《弧光保護裝置技術(shù)要求》國家標準的發(fā)布實施，完善了我國國家標準體系，為廣大弧光保護制造廠家、電力用戶及檢測機構(gòu)提供統(tǒng)一的標準依據(jù)，同時也更有助于提升弧光保護產(chǎn)品的質(zhì)量、規(guī)范弧光保護裝置的產(chǎn)品市場，提高企業(yè)的生產(chǎn)效率，形成產(chǎn)業(yè)優(yōu)勢，從而提高弧光保護裝置產(chǎn)品在國內(nèi)乃至國際市場方面的競爭力。鄭州弧光保護報價電弧光保護裝置**。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="六盤水弧光保護維修,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210332031/5312785.jpg"></div><p> 合閘同期性亦正常。3.開關(guān)動靜觸頭在接通電路時沒有產(chǎn)生強烈電弧。因此，開關(guān)出現(xiàn)飛弧短路和熱擊穿短路的可能性較小。4.在動靜觸頭前端接觸面邊沿有微小的電火花灼蝕點，這說明在動靜觸頭接觸瞬間亦有微小電弧產(chǎn)生。但考慮到滿足本使用類別的接通和分斷條件當時可能已經(jīng)破壞，出現(xiàn)微小的電弧亦屬正常。二、質(zhì)量問題（一）瞬間電壓在“”弧光短路的一瞬間，SIWOH1-630開關(guān)相間絕緣承受的電壓究竟有多高呢？根據(jù)當時開關(guān)電源側(cè)配置的電壓保護水平為，可以判定：當時開關(guān)在ms級時限內(nèi)承受的電壓在。同時根據(jù)此電容器極間耐壓1130V（10S）和極對殼耐壓3000V（1min）的性能，可判定1200V為此電容器在ms級時限內(nèi)極間耐壓的上限。SIWOH1-630開關(guān)的額定沖擊耐受電壓雖然可達6-10kV，但它的額定絕緣電壓只有750V（在塑料外殼發(fā)熱溫度低于80℃的條件下）。因此，若當時電路中有（～）Uj瞬間過電壓出現(xiàn)，也會對開關(guān)構(gòu)成威脅。這里所說的質(zhì)量問題，主要是看開關(guān)的額定沖擊耐受電壓、額定絕緣電壓、空氣中小電氣間隙、小爬電距離和絕緣表面溫升限值等技術(shù)指標是否合格。（二）閃絡短路憑經(jīng)驗。</p><p> 圖13電容器主柜運行/輔柜檢修示意圖3.圖14極為清楚的顯示：盡管電容器主柜在運行、輔柜在檢修，盡管輔柜總電源開關(guān)已分斷，但REGO自動控制器仍然發(fā)出指令，將輔柜的6組投切接觸器全部吸合。（二）串聯(lián)電抗器電抗率的選擇1.《并聯(lián)電容器裝置設(shè)計規(guī)范》（GB50227-2008）規(guī)定：，應根據(jù)電網(wǎng)條件與電容器參數(shù)經(jīng)相關(guān)計算分析確定，電抗率取值范圍應符合下列規(guī)定：（1）用于限制涌流時，電抗率宜取～1%。（2）用于諧波時，電抗率應根據(jù)并聯(lián)電容器裝置接入電網(wǎng)處的背景諧波含量的測量值選擇。當諧波為5次及以上時，電抗率宜取～；當諧波為3次及以上時，電抗率宜??；亦可采用～。2．低壓調(diào)諧濾波器產(chǎn)品樣本提示：存在諧波的電網(wǎng)（應用非線性負載例如整流器、電焊等）選擇功率因數(shù)補償系統(tǒng)時，應特別注意產(chǎn)生諧波的影響。為了避免諧振這一危險現(xiàn)象，電容器一定要串聯(lián)合適的調(diào)諧濾波電抗器。這樣就可以得到諧振頻率低于諧波范圍的振蕩回路。通過調(diào)諧濾波電抗器串聯(lián)電容器傳輸無功功率不同于依靠選擇普通電抗器用于無功補償?shù)脑膫鬏?，因為必須知道安裝補償設(shè)備的電性和應用的電抗器對電容器所產(chǎn)生的影響?；」獗Ｗo專業(yè)生產(chǎn)廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="六盤水弧光保護維修,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090208730469/6645876.jpg"></div><p style="text-indent:25px">電弧光保護裝置為變電站、電廠、工業(yè)企業(yè)等場合的中、低壓母線提供快速保護。當發(fā)生弧光短路時，被弧光傳感器覆蓋區(qū)域的弧光短路可被快速定位，電弧光保護系統(tǒng)快速動作，切斷故障電流，比較大限度降低電弧光對設(shè)備的損害及人員傷害。FAST-Bus電弧光保護系統(tǒng)采用弧光檢測和電流檢測雙判據(jù)原理，具有保護動作速度快、可靠性高等特點。JD9900B弧光保護系統(tǒng)包括主單元RIZNER-FAST-BUS、衛(wèi)星裝置FAST-1S(弧光電流衛(wèi)星裝置)、FAST-2S(弧光衛(wèi)星裝置)、弧光傳感器、連接光纖等?；」獗Ｗo裝置，可護展。秦皇島弧光保護模塊</p><p style="text-indent:25px">電弧光保護裝置廠家直銷，歡迎來電咨詢。六盤水弧光保護維修</p><p> 3.在運行中發(fā)現(xiàn)：大廈3#變壓器電容器補償柜中的串聯(lián)電抗器工作溫度有時高達120℃。3#、5#、6#變壓器電容器補償柜不斷出現(xiàn)投切接觸器燒毀和熔斷器熔斷的現(xiàn)象。“”事故后，筆者對其串聯(lián)電抗器電抗率進行了計算，約為3%。而大廈9臺變壓器帶有大量電力電子設(shè)備，3#、4#、5#、6#變壓器所帶負載尤其是這樣。屬于典型的諧波源污染負載。很明顯，3%這一電抗率選擇是不符合GB50227-2008要求的，是不符合大廈供用電負載諧波污染特點的，是難以避免高次諧振這一危險現(xiàn)象的。（三）結(jié)論：因以上設(shè)計潛伏隱患，容易使過量補償過電壓、高次諧振過電壓等多種異常狀態(tài)發(fā)生的概率增大。二、過量補償過電壓（一）并聯(lián)電容器過量補償無功功率的危害是非常明確的：其一，抬高系統(tǒng)電壓，損壞電氣絕緣。其二，無功反送電源，增加有功損耗。案例：某廠為一臺大型電動機供電的變壓器設(shè)置了分組投切的（三相容量600kvar）。調(diào)試時電動機還沒啟動，調(diào)試人員就誤將補償電容器組全部投入運行，立即造成接在這個供電系統(tǒng)上的部分照明燈、指示燈、繼電器線圈和部分補償電容器燒毀。（二）由于“自動控制器接線設(shè)計”考慮不周，在“”事故中確定無疑造成了“過量補償過電壓”。六盤水弧光保護維修</p><p style="text-indent:25px">江蘇基頓電氣自動化有限公司致力于儀器儀表，是一家生產(chǎn)型的公司。江蘇基頓電氣致力于為客戶提供良好的數(shù)顯電力儀表，操控裝置，弧光保護，微機綜合保護，一切以用戶需求為中心，深受廣大客戶的歡迎。公司注重以質(zhì)量為中心，以服務為理念，秉持誠信為本的理念，打造儀器儀表良好品牌。江蘇基頓電氣秉承“客戶為尊、服務為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3011857.html</p></div></div></div></div></div><div id="bdc8f8d" class="page-right 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