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src="https://tyunfile.71360.com/UploadFile/keaton/637255090210458984/175496.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="f8tkhjq" 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>常州饋線弧光保護(hù),弧光保護(hù)</p><p><span>***更新：</span>2021-01-26 02:07:29</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="jnf33fc" 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(dāng)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="yxzgikb" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3kzwnuw" class="box"><p><p> 弧光保護(hù)裝置具備傳統(tǒng)低壓保護(hù)裝置的許多功能，并能夠記錄故障事件和波形，從而為故障的分析提供重要的基礎(chǔ)數(shù)據(jù)?；」獗Ｗo(hù)裝置是一種快速可靠的母線保護(hù)系統(tǒng)，采用檢測弧光和過流雙判據(jù)原理，具有原理簡單、動作可靠迅速、對變電站一次設(shè)備無特殊要求、適應(yīng)于各種運行方式、且在各種運行方式下保護(hù)不需要切換等優(yōu)點，為目前發(fā)電廠、變電站、工業(yè)及商業(yè)配電系統(tǒng)母線保護(hù)理想的解決方案。 </p> <p> 弧光保護(hù)裝置工作原理，就是檢測弧光和過流。突破了常規(guī)保護(hù)的判據(jù)原則，率先采用了檢測弧光和電流兩個非關(guān)聯(lián)參數(shù)作為判據(jù)比其他保護(hù)誤動率更小，可靠性更高。弧光采集單元與主控單元配合使用，是弧光保護(hù)裝置的重要組成部分，主要用于采集故障弧光，并將判斷后的結(jié)果通過光信號傳遞給主控單元。單個弧光采集單元可以安裝,16個弧光探頭，常州饋線弧光保護(hù)，根據(jù)系統(tǒng)的大小可以任意增減弧光采集單元的數(shù)量。弧光采集單元通常安裝在選定的開關(guān)柜內(nèi)中，常州饋線弧光保護(hù)，選擇的原則是保證該單元相關(guān)光纖用量盡量少，常州饋線弧光保護(hù)。紫外光弧光保護(hù)，廠家直銷。常州饋線弧光保護(hù)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州饋線弧光保護(hù),弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210458984/175496.jpg"></div><p> 要考慮開關(guān)的接觸機構(gòu)是否存在故障，導(dǎo)致它在較大電流下形成飛弧短路或熱擊穿短路。（二）可能因素該開關(guān)動靜觸頭接觸方式為橫推插入式指夾雙面接觸，發(fā)生合閘彈跳重?fù)舸┑母怕屎苄　Ｔ谶@一點上遠(yuǎn)優(yōu)于平面拍合式單面接觸方式。但是該開關(guān)動觸頭為雙斷點橋式壓簧片觸頭結(jié)構(gòu)，有12組動靜接觸點，接觸點多、連接點多，有可能發(fā)生以下故障：動觸頭連接虛；靜觸頭連接虛；加速機構(gòu)速度不夠；在動靜觸頭間已經(jīng)形成很大的接觸電阻；合閘時12組動靜接觸點不同步。（三）解體檢查我們對事故開關(guān)進(jìn)行了解體檢查。檢查發(fā)現(xiàn)：12組動靜觸頭接觸面光滑干凈，顏色如初，觸頭上的導(dǎo)電膏依然如故。三相觸頭密封空間亦完好干凈。沒有發(fā)生強烈電弧所特有的燒熔、弧坑、炭化、變色、飛濺等痕跡。在動靜觸頭前端接觸面邊沿有微小的電火花灼蝕點，屬于正?，F(xiàn)象。前面考慮的五點故障因素，除加速機構(gòu)速度無法測量外，其余可以排除。圖7開關(guān)靜觸頭上黑色導(dǎo)電膏清晰可見圖8開關(guān)動觸頭光滑干凈顏色如初（四）結(jié)論：1.事故發(fā)生瞬間開關(guān)接通的電流基本在額定工作電流范圍內(nèi)（當(dāng)然更在額定接通電流能力范圍內(nèi)）。定量估算可能為：I＝（80×4）×2＝320×2＝640A2.開關(guān)動靜觸頭的電氣結(jié)構(gòu)未發(fā)現(xiàn)異常。無錫國產(chǎn)弧光保護(hù)專業(yè)生產(chǎn)電弧光保護(hù)裝置廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州饋線弧光保護(hù),弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210488281/9985773.jpg"></div><p style="text-indent:25px">母線電弧光保護(hù)裝置的功能電弧光保護(hù) 斷路器失靈保護(hù)；過電流保護(hù)； TA斷線告警保護(hù)；電弧光傳感器故障隔離；外部閉所弧光保護(hù)；自檢故障閉所弧光保護(hù)；擴(kuò)展電弧光保護(hù)； 16路弧光信號采集 14組動作出口 4條線路電流采集 6710母線電弧光保護(hù)系統(tǒng)的特性如下：整組動作跳閘出口快（<1ms,利用快速可控硅繼電器）；采用過流和弧光雙重判據(jù)，動作可靠；無源弧光探頭，直接光纖傳輸，抗電磁干擾能力強；可編程選擇跳閘邏輯；持續(xù)的自檢功能；</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(dá)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(jìn)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(fù)載尤其是這樣。屬于典型的諧波源污染負(fù)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(fù)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”。耐用型弧光保護(hù)，廠家直銷，歡迎咨詢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州饋線弧光保護(hù),弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090208583984/8274785.jpg"></div><p> 電弧光保護(hù)裝置的主要作用： </p> <p> 1、減專少或降低電弧光對于人體的傷害。 </p> <p> 2、減少或降低電弧光短路故障對于設(shè)備的損害。 </p> <p> 3、避免變壓器因近距離母線故障造成動穩(wěn)定破壞，延長變壓器的使用壽命。 </p> <p> 4、縮短電弧光故障切除時間，避免波及站內(nèi)直流系統(tǒng)造成重大損失。 </p> <p> 5、減少因電弧光故障造成設(shè)備停運的時屬間，更快地恢復(fù)供電。 </p> <p> 主要應(yīng)用于以下場合 </p> <p> 1、電力變電站。 </p> <p> 2、火電廠電氣段開關(guān)柜母線室及饋線柜。 </p> <p> 3、風(fēng)電場升壓站集電線路開關(guān)柜。 </p> <p> 4、箱式變電站。弧光保護(hù)專業(yè)生產(chǎn)廠家，歡迎來電咨詢。安徽弧光保護(hù)怎么接線</p><p style="text-indent:25px">專業(yè)提供饋線弧光保護(hù)系統(tǒng)，歡迎咨詢。常州饋線弧光保護(hù)</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?jǐn)啵玆EGO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(yīng)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(yīng)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(yīng)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(dāng)諧波為5次及以上時，電抗率宜取～；當(dāng)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(yīng)用非線性負(fù)載例如整流器、電焊等）選擇功率因數(shù)補償系統(tǒng)時，應(yīng)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(yīng)用的電抗器對電容器所產(chǎn)生的影響。常州饋線弧光保護(hù)</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。公司業(yè)務(wù)涵蓋數(shù)顯電力儀表，操控裝置，弧光保護(hù)，微機綜合保護(hù)等，價格合理，品質(zhì)有保證。公司秉持誠信為本的經(jīng)營理念，在儀器儀表深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造儀器儀表良好品牌。江蘇基頓電氣憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3010481.html</p></div></div></div></div></div><div id="qax7i9c" class="page-right twoColRt"><div id="f2fxp8r" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="hmoqn7p" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="2v3qnfm" class="recomPic likePro"><a 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