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src="https://tyunfile.71360.com/UploadFile/keaton/637255090210332031/5312785.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="n4qn4gs" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090210332031/5312785.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="u83yd4h" 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>綿陽高壓弧光保護,弧光保護</p><p><span>***更新：</span>2020-07-21 06:13:56</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="32lcbvm" 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="fu7eoie" class="page-proshow02"><p class="title">詳細說明</p><div id="2lnpo3y" class="box"><p><p style="text-indent:25px">弧光保護在我國電力網(wǎng)領域運行現(xiàn)狀及未來系統(tǒng)遠景，我們降下文章以下介紹中逐一說明：繼電保護領域繼微機保護技術(shù)飛躍發(fā)展以來,紫外光弧光保護技術(shù)可堪稱**突出的技術(shù)進步。采用光纖電弧光保護系統(tǒng),從光纖弧光傳感器檢測到故障電弧光,到出口報警跳閘時間小于4ms,遠遠快于傳統(tǒng)的繼電保護裝置。一、電弧光產(chǎn)生原理：通常情況下氣體呈絕緣狀態(tài),一旦發(fā)生電弧放電現(xiàn)象,氣體就會變成導電體。當氣體原子受到外界大能量的作用,使電子有可能脫離其原子核的束縛而成為自由電子時,氣體呈帶電的狀態(tài),我們把這一過程叫做氣體的電離，綿陽高壓弧光保護。形成電弧時的電壓和電流根據(jù)電源阻抗、導電體的間距以及環(huán)境中物質(zhì)成分的不同而有巨大的差異，綿陽高壓弧光保護，綿陽高壓弧光保護。電弧光保護裝置，質(zhì)量可靠，性能穩(wěn)定。綿陽高壓弧光保護</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="綿陽高壓弧光保護,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210332031/5312785.jpg"></div><p> 有人提倡在低壓柜內(nèi)安裝弧光保護裝置，低壓柜內(nèi)一旦發(fā)生短路故障，弧光傳感器能立馬檢測到弧光信號，動作于低壓斷路器，時間會比傳統(tǒng)的通過檢測電流信號動作于低壓斷路器短，這樣的說法有道理嗎？低壓柜內(nèi)與中壓柜內(nèi)安裝弧光保護裝置有何區(qū)別呢？先聽聽大家怎么看，稍后我也會給出我的看法 </p> <p> <br /> </p> <p> 本帖***由 bzp4891 于 2016-5-19 12:02 編輯 </p> <p> 1、首先動作時間是否能保證在***擴大前切除電源？這個不清楚 </p> <p> -----這個有時間可以保證，而且這個時間確實很短，一般廠家通過實際驗證后給出斷路器與弧光保護裝置在故障情況下動作的時間； </p> <p> 2、圖中是固定分割或抽屜柜，安裝在動力電纜室內(nèi)？這里發(fā)生短路的幾率很小，除非連接不可靠，端子布置不合理，按照這種檢測，抽屜或分隔內(nèi)和饋出線側(cè)發(fā)生的弧光短路***也無法及時切斷電源。這種檢測方式適用于固定柜。 </p> <p> ----弧光傳感器**合適的位置我認為在主母線室內(nèi)，用于主母線發(fā)生短路故障情況下切斷主開關(guān)以防止***擴大化，如果非要安裝在饋線柜例如抽屜柜或固定分隔柜的電纜室，一是安裝的傳感器的數(shù)量很多成本難以承受，二是如果抽屜回路的某一個回路發(fā)生，傳感器的檢測會不會誤動作，跳閘沒有發(fā)生故障的回路； </p> <p> <br /> 綿陽高壓弧光保護光電式電弧光保護，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="綿陽高壓弧光保護,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090208730469/6645876.jpg"></div><p style="text-indent:25px">電弧光保護和快速滅弧器電弧光保護，顧名思義，就是當發(fā)生電弧光故障時保護人員和電氣設備。目前市面上電弧光保護產(chǎn)品種類繁多，容易給我們造成混淆，典型產(chǎn)品就是“快速滅弧器”。其實“快速滅弧器”只是電弧光保護家族的一個分支，和傳統(tǒng)的電弧光保護還是存在本質(zhì)上的區(qū)別。他們的本質(zhì)區(qū)別就在于動作方式上。傳統(tǒng)的電弧光保護動作結(jié)果是切除上級斷路器，而快速滅弧器的動作結(jié)果則是將電氣一次主回路進行短路接地。如某品牌的“快速滅弧器”：由于快速滅弧器會對電氣一次回路甚至主變造成一定的損傷，而且該類產(chǎn)品存在“一家獨大”等情況，市面上的應用率不是很高。 <div style="background:#000000;opacity:0.22;position:absolute !important;left:0px !important;top:0px !important;border:0px none !important;padding:0px !important;z-index:100000;height:0px;width:0px;display:none;cursor:auto;"> </div></p><p> 電弧光的監(jiān)測及防護 </p> <p> 當?shù)蛪洪_關(guān)柜發(fā)生電弧，可以通過三種不同的設計理念保護操作人員和設備的安全： </p> <p> 改善設備的機械結(jié)構(gòu)，使之能夠承受電弧（被動保護） </p> <p> 設備安裝限制內(nèi)部電弧效應的裝置（主動保護） </p> <p> 設備安裝限流斷路器 </p> <p> 主動保護有以下兩種常見的、可行的方法：1）通過壓力傳感器進行監(jiān)測;2）通過弧光傳感器進行監(jiān)測 </p> <p> 第一種方法（采用壓力傳感器作為電弧光探測單元）壓力波是裝置內(nèi)出現(xiàn)電弧***的效應之一，它將在電弧出現(xiàn)后的10-15毫秒后出現(xiàn)，可以安裝一些壓力傳感器用于探測壓力峰值。當內(nèi)部的壓力達到設定值時，電弧監(jiān)測裝置發(fā)出動作指令，控制開關(guān)器件動作。但是要預先確定電弧在柜內(nèi)產(chǎn)生的過壓值并非易事。 </p> <p> 第二種方法（采用光纖傳感器作為電弧光探測單元）弧光監(jiān)測器的操作邏輯如下：電弧現(xiàn)象會產(chǎn)生強烈的光輻射，因此柜體內(nèi)出現(xiàn)的弧光可以被弧光傳感器探測到。當弧光監(jiān)控系統(tǒng)探測到故障，會發(fā)出動作信號給斷路器。這種方法的探測反應時間*為1毫秒。工業(yè)用弧光保護裝置，專業(yè)提供。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="綿陽高壓弧光保護,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210449219/7963429.jpg"></div><p> 以下數(shù)據(jù)表明了一個電弧所具有的危險性: </p> <p> 壓力:已估測，在一個相距60cm的20kA故障電弧，一個人所抵受到的壓力為225kg;這種突如其來的壓力會對耳朵造成長久的傷害。 </p> <p> 溫度:電弧的溫度可以達到約為7000-8000°C </p> <p> 聲音:電弧發(fā)出的聲音強度高達160db(***聲發(fā)出的爆破聲*為130db)。 </p> <p> <br /> </p> <p> 折疊電弧光的危害 </p> <p> 開關(guān)設備內(nèi)部間隔發(fā)生故障而產(chǎn)生的電弧光會造成開關(guān)設備中的壓力和溫度迅速增加，如不及時切除、將可能造成以下重大危害: </p> <p> 電弧光中心溫度(相當于太陽表面溫度的2~4倍，約為10000~20000°C)過高導致銅排、鋁排熔毀氣化; </p> <p> 電纜熔毀，電纜護套著火; </p> <p> 開關(guān)設備劇烈振動，使固定元件松脫; </p> <p> 使上一級變壓器承受近距離短路沖擊，故障電流產(chǎn)生的電動力可能導致變壓器繞組變形引起匝間短路; </p> <p> 故障產(chǎn)生的弧光沖擊波以300m/s的速度爆發(fā)，可摧毀途中的任何物質(zhì)，若波及站內(nèi)直流系統(tǒng)導致全站直流失電，將造成無法彌補的重大損失; </p> <p> 燃燒產(chǎn)生的0氣體被人吸入會產(chǎn)生生命危險; </p> <p> 高溫灼傷皮膚，強光刺傷眼睛 </p> <p> 爆破音振損傷耳膜，肺臟; </p> <p> 碎片飛射，造成人員傷亡。 </p> <p> <br /> 母線弧光保護廠家直銷。河北弧光保護怎么操作</p><p style="text-indent:25px">紫外光弧光保護探頭，專業(yè)生產(chǎn)。綿陽高壓弧光保護</p><p> 電弧光保護裝置的主要作用 </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備停運的時屬間，更快地恢復供電。 </p> <p> 主要應用于以下場合 </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、風電場升壓站集電線路開關(guān)柜。 </p> <p> 4、箱式變電站。綿陽高壓弧光保護</p><p style="text-indent:25px">江蘇基頓電氣自動化有限公司位于江蘇省無錫市，創(chuàng)立于2019-08-05。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下[ "數(shù)顯電力儀表", "操控裝置", "弧光保護", "微機綜合保護" ]深受客戶的喜愛。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，以自主產(chǎn)品為**，發(fā)揮人才優(yōu)勢，打造儀器儀表質(zhì)量品牌。在社會各界的鼎力支持下，經(jīng)過公司所有人員的努力，公司自2019-08-05成立以來，年營業(yè)額達到3000-5000萬元。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/668965.html</p></div></div></div></div></div><div id="7skcgpl" class="page-right twoColRt"><div id="vf3pjac" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="yiprovn" class="recomPic likePro"><a href="http://m.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" 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</p></a></div><div id="b2ldfho" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個科目真誠推薦寧波助學商務信息咨詢供應" class="vcenter" 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