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class="proBig"><div id="ueg7fxz" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090208691406/971244.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="imt8pby" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090208691406/971244.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="78dolnu" 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>石家莊弧光保護多少錢,弧光保護</p><p><span>***更新：</span>2020-07-05 13:15:13</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="hqixoq8" 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="ohjbnub" class="page-proshow02"><p class="title">詳細說明</p><div id="vkm7ebn" class="box"><p><p> 系統(tǒng)優(yōu)點 </p> <p> (1)動作迅速可靠 </p> <p> 跳閘回路采用了快速繼電器技術(shù)，確保保護系統(tǒng)在1ms內(nèi)發(fā)出跳閘信號，加上斷路器動作時間(35-60ms)，使開關(guān)柜內(nèi)部電弧光故障總切除時間控制在60ms以內(nèi)，而且在外觀上無明顯損壞。繼電保護裝置包括測量、計算、自檢、動作等時間累計約44ms, 加上斷路器動作時間，差動保護和無時限電流速斷保護動作，故障切除時間約100ms。即使電流速斷保護比弧光保護多40ms,查看弧光危害示意圖，電纜已經(jīng)燃燒。如果是帶時限電流速斷保護延時100ms，石家莊弧光保護多少錢，石家莊弧光保護多少錢、過電流Ⅰ段延時300ms,已經(jīng)達到柜體燃燒甚至的可能。高精度弧光保護，石家莊弧光保護多少錢，專業(yè)生產(chǎn)廠家，歡迎來電咨詢。石家莊弧光保護多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石家莊弧光保護多少錢,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090208691406/971244.jpg"></div><p> 爬電起火：爬電是指電弧不是建立在空氣間隙中的電弧，而是出現(xiàn)在設(shè)備絕緣表面上的電弧。例如電源插頭的絕緣表面上的一個或多個相線插腳和PE線插腳，之間的絕緣表面可能發(fā)生爬電。 </p> <p> <br /> </p> <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> <br /> </p> <p> 使用了不良性能的導(dǎo)電體 </p> <p> <br /> </p> <p> 絕緣材料的損壞（包括：裂痕，進水，老化等） </p> <p> <br /> </p> <p> 人體或其他物品意外地接觸到帶電的物品 </p> <p> <br /> </p> <p> 操作過程中的失誤或者設(shè)計或安裝錯誤 </p> <p> <br /> </p> <p> 元件損壞，沒有良好的維修和保養(yǎng)設(shè)備 </p> <p> <br /> </p> <p> 過電壓 </p> <p> <br /> </p> <p> 電網(wǎng)結(jié)構(gòu)的改變（系統(tǒng)容量增大、電纜應(yīng)用增多）焦作電弧光保護弧光保護裝置，可護展。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石家莊弧光保護多少錢,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210458984/175496.jpg"></div><p style="text-indent:25px">弧光保護在我國電力網(wǎng)領(lǐng)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(lǐng)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(dǎo)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。形成電弧時的電壓和電流根據(jù)電源阻抗、導(dǎo)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。</p><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(shè)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(shè)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(dǎo)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(shè)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(dǎo)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(dǎo)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 /> 專業(yè)生產(chǎn)電弧光保護裝置，歡迎來電咨詢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石家莊弧光保護多少錢,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210488281/9985773.jpg"></div><p> 目**80伏/1千伏/3千伏/6千伏/10千伏/35千伏開關(guān)柜中沒有**的母線主保護,但在國外電力行業(yè)已經(jīng)普及95%以上;國內(nèi)采用變壓器過流保護用于母線后備保護,理論上必須延時300~500毫秒,實際上動作時間可能長達1.5~2秒,起不到對母線的真正保護,并且使變壓器低壓側(cè)絕緣有較大的結(jié)構(gòu)性損壞,所以目前的母線后備保護是有缺點的 </p> <p> 從弧光保護設(shè)計的系統(tǒng)可靠性來看,變壓器、進線、饋線都有主保護,唯獨母線沒有**的主保護,我們認為母線應(yīng)該增加**主保護。雖然母線故障出現(xiàn)概率較低,但一旦出現(xiàn)將損失慘重。因此,從技術(shù)、設(shè)計方面建議配置母線**主保護弧光保護,以確保操作人員的人身安全及系統(tǒng)的安全、穩(wěn)定運行。高壓弧光保護**，廠家直銷，歡迎來電咨詢。武漢弧光保護報價</p><p style="text-indent:25px">性價比高母線弧光保護，廠家直銷。石家莊弧光保護多少錢</p><p> 弧光保護裝置的特點： </p> <p> 弧光保護裝置是母線型弧光保護系統(tǒng)中的主要保護設(shè)備。主要用來檢測分析故障信號、接收分析采集單元的弧光故障信號，并對兩種信號進行綜合分析判斷。在滿足跳閘條件時，發(fā)出跳閘指令以便切除故障。一般安裝在進線柜或緊鄰進線柜的開關(guān)柜的二次控制門板上。其主要的技術(shù)優(yōu)勢有以下幾點： </p> <p> 1、動作迅速可靠。 </p> <p> 2、全數(shù)字化設(shè)計。 </p> <p> 3、保護原理簡單合理。 </p> <p> 4、故障信息記錄準確。 </p> <p> 5、多種輔助保護功能。 </p> <p> 6、強大的電氣性能。 </p> <p> <br /> 石家莊弧光保護多少錢</p><p style="text-indent:25px">江蘇基頓電氣自動化有限公司創(chuàng)辦于2019-08-05，是一家生產(chǎn)型的公司。經(jīng)過多年不斷的歷練探索和創(chuàng)新發(fā)展，江蘇基頓電氣是一家有限責(zé)任公司企業(yè)，一直貫徹“以人為本，服務(wù)于社會”的經(jīng)營理念;“質(zhì)量高速，誠守信譽，持續(xù)發(fā)展”的質(zhì)量方針。公司始終堅持客戶需求***的原則，致力于提供高質(zhì)量的[ "數(shù)顯電力儀表", "操控裝置", "弧光保護", "微機綜合保護" ]。江蘇基頓電氣以創(chuàng)造***產(chǎn)品及服務(wù)的理念，打造高指標的服務(wù)，引導(dǎo)行業(yè)的發(fā)展。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/503008.html</p></div></div></div></div></div><div id="nhtqcya" class="page-right twoColRt"><div id="she8rtf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dsumtac" class="recomPic likePro"><a 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