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src="https://tyunfile.71360.com/UploadFile/keaton/637255090210332031/5373647.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gamta2u" 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>貴陽弧光保護設計廠家,弧光保護</p><p><span>***更新：</span>2020-07-30 06:09:52</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="yhtvcg3" 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="2dzbd3x" class="page-proshow02"><p class="title">詳細說明</p><div id="kofhoie" class="box"><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> <br /> </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)電弧故障的效應之一，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，貴陽弧光保護設計廠家。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，貴陽弧光保護設計廠家。 </p> <p> <br /> </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，貴陽弧光保護設計廠家，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?；」鈧鞲衅鞣譃榭煞譃殡娏餍秃凸饫w性（可見光和紫外光）其中支持可見光的弧光傳感器有基頓電氣JD9900B系列弧光傳感器。弧光保護專業(yè)生產(chǎn)廠家。貴陽弧光保護設計廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴陽弧光保護設計廠家,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210332031/5373647.jpg"></div><p> 開關(guān)柜電弧耐受時間與電弧光保護動作時間 </p> <p> IEC298《交流金屬封閉開關(guān)設備與控制設備》附錄AA中規(guī)定的內(nèi)部燃弧測試時間是0.1秒。目前市場上銷售的開關(guān)柜基本上是按照IEC298標準生產(chǎn)的，也就是說開關(guān)柜可以承受的電弧燃燒時間為0.1秒。天津饋線弧光保護專業(yè)生產(chǎn)電弧光保護裝置，歡迎來電咨詢。</p> 弧光保護動作時間主要由兩部分組成：裝置動作時間和開關(guān)動作時間?；」獗Ｗo裝置的動作時間根據(jù)各廠商的動作原理不同（光電探頭或光纖探頭等）一般在1~10毫秒，開關(guān)動作時間（參考GE公司VB1—13.8真空斷路器）一般在50~60毫秒。故電弧光保護動作時間小于開關(guān)柜電弧耐受時間，不會對開關(guān)柜造成嚴重損傷。<div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴陽弧光保護設計廠家,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090209277344/1236657.jpg"></div><p> 電弧光在中、低壓開關(guān)柜內(nèi)產(chǎn)生的主要因素是什么？ </p> <p> 使用了不良性能的導電體 </p> <p> 絕緣材料的損壞（包括：裂痕，進水，老化等） </p> <p> 人體或其他物品意外地接觸到帶電的物品 </p> <p> 操作過程中的失誤或者設計或安裝錯誤 </p> <p> 元件損壞，沒有良好的維修和保養(yǎng)設備 </p> <p> 過電壓 </p> <p> 電網(wǎng)結(jié)構(gòu)的改變（系統(tǒng)容量增大、電纜應用增多） </p> <p> 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> <br /> </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 /> </p><p> 電弧光保護系統(tǒng)使用先進的處理器技術(shù)來控制系統(tǒng)的功能。該處理器技術(shù)也使得電弧光保護系統(tǒng)功能的編程，可匹配開關(guān)柜的不同運行方式。在跳閘回路里采用的半導體技術(shù)（可控硅開關(guān)）確保了開關(guān)柜里的供電開關(guān)以**小的延時得到跳閘信號。在不論是KEATON電弧光保護系統(tǒng)的主控單元，還是電弧光單元探測到電弧光，并且電流單元的整定的電流定值被超過，電弧光保護系統(tǒng)的跳閘信號將在極短時間內(nèi)到達供電開關(guān)。 </p> <p> 電流的信息也可直接取自安全電流回路，在此情況下，電弧光保護也可盡可能快的得到過流的信息。如果偶爾光線信號超過光線設定值或者電流信號超過電流設定值，系統(tǒng)不會輸出跳閘信號，也不會記憶在跳閘回路中，但是在主控單元上會顯示報警信號。在編程的時候，需要考慮系統(tǒng)按照用戶所希望的方式正常工作。采用光纖技術(shù)來向主控單元傳輸跳閘信號，確保了電弧光保護系統(tǒng)的完美功能，它的抗干擾能力強，跳閘信號可以非常迅速的輸出到斷路器。弧光保護裝置專業(yè)銷售。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴陽弧光保護設計廠家,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210488281/9985773.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>電弧光保護裝置，質(zhì)量可靠，性能穩(wěn)定。天津弧光保護哪家質(zhì)量好</p><p style="text-indent:25px">紫外光弧光保護探頭，專業(yè)生產(chǎn)。貴陽弧光保護設計廠家</p><p> 工作原理 </p> <p> 電弧光保護以電流單元為基礎分組，弧光探頭可以整定關(guān)聯(lián)到任意一組電流信號上。當弧光單元把光信號從弧光傳感器傳輸?shù)交」獗Ｗo設備時，并且同時電流啟動元件動作和電弧光保護動作，裝置可選擇弧光信號動作單判據(jù)作為動作邏輯判斷。 </p> <p> 當檢測到本身硬件故障時，發(fā)出告警信號，同時閉鎖整套保護。硬件故障包括：采樣回路故障、RAM出錯、定值出錯等。 </p> <p> <br /> </p> <p> 端子圖及定義 </p> <p> 主要的端子數(shù)量有：6個弧光信號檢測接口，用于接收來自弧光傳感器的弧光故障信號。4個數(shù)據(jù)通訊接口，2路RS485，1路CAN總線，1路以太網(wǎng)。4路快速跳閘輸出接口，符合IEC255-23繼電器標準。2路報警出口，其中一路為裝置故障出口。12路電流輸入，檢測4組三相電流信號，用于判斷故障電流。 </p> <p> 貴陽弧光保護設計廠家</p><p style="text-indent:25px">江蘇基頓電氣自動化有限公司坐落長安鎮(zhèn)友誼路28號，交通便利，環(huán)境優(yōu)美，是一家生產(chǎn)型企業(yè)。公司是一家有限責任公司企業(yè)，以誠信務實的創(chuàng)業(yè)精神、質(zhì)量高效的管理團隊、精悍的職工隊伍，努力為廣大用戶提供***的產(chǎn)品。公司業(yè)務涵蓋[ "數(shù)顯電力儀表", "操控裝置", "弧光保護", "微機綜合保護" ]，價格合理，品質(zhì)有保證，深受廣大客戶的歡迎。江蘇基頓電氣順應時代發(fā)展和市場需求，通過**技術(shù)，力圖保證高規(guī)格高質(zhì)量的[ "數(shù)顯電力儀表", "操控裝置", "弧光保護", "微機綜合保護" ]。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/748279.html</p></div></div></div></div></div><div id="dcj3jzl" class="page-right twoColRt"><div id="gfwl8my" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="aea7q3q" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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