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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>大同弧光保護代理,弧光保護</p><p><span>***更新：</span>2020-07-25 13:28:05</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="ydvxu88" 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="jlnpmoo" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8d8i2og" class="box"><p><p style="text-indent:25px">電弧光保護系統(tǒng)可以在開關(guān)柜發(fā)生弧光故障的時候，保護操作人員不受傷害，并且降低財產(chǎn)損失程度。當(dāng)出現(xiàn)弧光時候，弧光以 300m/s 的速度爆發(fā)，摧毀途中的任何物質(zhì).，大同弧光保護代理，大同弧光保護代理。只要系統(tǒng)中不斷電，弧光就會一直存在。要想比較大限度的減少弧光的危害，我們需要一種安全，大同弧光保護代理、迅速而有效的半導(dǎo)體電弧光保護系統(tǒng)。在開關(guān)柜抽屜內(nèi)，弧光可以迅速的在 10ms內(nèi)達(dá)到 3m遠(yuǎn)，因此要想很大程度降低損失，時間是個**主要的因素。KEATON電弧光保護系統(tǒng)輸出跳閘信號時間極短，即使在安裝或者維護的時候也能保護操作人員的安全。電弧光保護裝置**。大同弧光保護代理</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="大同弧光保護代理,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090209130859/8513785.jpg"></div><p> 開關(guān)柜內(nèi)的發(fā)生短路弧光的功率可高達(dá)100MW，電弧燃燒所產(chǎn)生的能量與電弧的燃燒時間及短路電流變化值呈幾何倍增長，燃燒產(chǎn)生的高溫、高壓將會逐步摧毀元器件、銅排以及成列的開關(guān)柜，高明亮的弧光和有害氣體對人體也有巨大的傷害。如左圖的電弧光危害示意圖所示，保護裝置動作時間不能超過20ms，否則會產(chǎn)生不可修復(fù)的器件損壞，從而延長故障修復(fù)時間。電弧光的燃弧時間長短和對設(shè)備造成的損壞程度的評估如下所示 </p> <p> 35ms:沒有明顯損壞，一般可以在檢驗絕緣電阻后繼續(xù)投入使用 </p> <p> 100ms:損壞較小，在開關(guān)柜再次投入運行以前需要進(jìn)行清潔或某些小的修理 </p> <p> 500ms：設(shè)備損壞嚴(yán)重，必須更換部分設(shè)備才可再次投入使用。母線弧光保護裝置型號弧光保護傳感器廠家，性能穩(wěn)定，歡迎來電咨詢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="大同弧光保護代理,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210488281/9985773.jpg"></div><p> <p> 電力系統(tǒng)由于各種的短路原因可引起弧光，弧光會以300m/s的速度爆發(fā)，摧毀途中的任何物質(zhì)。只要系統(tǒng)中不斷電，弧光就會一直存在。 </p> <p> 弧光保護裝置是**近幾年隨著光電技術(shù)的發(fā)展而發(fā)展起來的一種新型保護，是以電流和弧光為主要判據(jù)，與傳統(tǒng)保護相比增加了弧光（光強）這一判據(jù)。適用于35KV變電站、中低壓開關(guān)柜中，主要解決由于弧光短路引發(fā)的中低壓母線故障。 </p> <p> 開關(guān)柜中采用電弧光保護裝置可降低電弧光短路故障對于設(shè)備的損害，避免變壓器因近距離母線故障造成損壞，延長變壓器的使用壽命，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，減少因電弧光故障造成設(shè)備停運的時間，更快地恢復(fù)供電。 </p> </p> <p> <br /> </p><p> 電弧光保護系統(tǒng)具備傳統(tǒng)低壓保護裝置的許多功能，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)。電弧光保護是一種快速可靠的**母線保護系統(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)母線保護理想的解決方案。 </p> <p> <br /> </p> <p> 什么是弧光放電？ </p> <p> <br /> </p> <p> 當(dāng)兩電極間電壓升高時，電極**近處空氣中的正負(fù)離子被電場加速，移動的過程中與其它空氣分子碰撞產(chǎn)生新的離子，這種離子大量增加的現(xiàn)象稱為電離”空氣被電離的同時，溫度隨之急劇上升產(chǎn)生電弧，這種放電稱為弧光放電?；」夥烹娨话悴恍枰芨叩碾妷?，屬于低電壓大電流放電。 </p> <p> <br /> </p> <p> 弧光放電產(chǎn)生的條件是小間隙和大電流，如果增加間隙或減小電流，電弧將會消失。 </p> <p> <br /> </p> <p> 電弧光是怎樣形成的 </p> <p> <br /> </p> <p> 電弧性短路起火：如將兩電極接觸后再拉開建立了電弧，則維持此10mm長的電弧只需20V電壓。也就是說只要先接觸，之后又分開，很可能產(chǎn)生局部溫度很高的電弧而成為起火源。按電弧發(fā)生的不同部分可分為帶電導(dǎo)體間的電弧、帶電導(dǎo)體與地之間的電弧和絕緣表面的爬電。 </p> <p> <br /> 電弧光保護裝置全國招商。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="大同弧光保護代理,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090209853516/2408474.jpg"></div><p> 廠用/配電中壓開關(guān)柜為全廠輔機/供電系統(tǒng)的供電樞紐。在發(fā)生內(nèi)部故障時，是否能迅速地切除故障，對全廠/配電系統(tǒng)的安全運行至關(guān)重要。但是，按目前的保護方案，存在以下幾個問題： </p> <p> ① 中壓母線尚沒有配置任何專門的保護; 而是由進(jìn)線開關(guān)的相關(guān)后備保護來兼顧的; </p> <p> ② 進(jìn)線開關(guān)與出線開關(guān)的保護需要相互配合:一般速斷保護延時的級差至少為300ms，甚至500ms ; </p> <p> ③ 過流保護的配合級差更是長達(dá)1 – 2秒。 </p> <p> 所以，廠用/配電系統(tǒng)中壓母線上所發(fā)生的任何故障都至少要延時切除。換句話說，現(xiàn)有的廠用中壓母線能在**早時間切除故障的保護還是個空白?？墒牵覀冎灰约幼⒁?，就會不難發(fā)現(xiàn)不論是中壓開關(guān)母線的上游還是下游的諸多電氣設(shè)備無一沒有配有快速保護。相比之下，我們恐怕很難有充分的理由來說明，中壓母線的安全性可靠性應(yīng)該受到這樣的懈怠。鑒于中壓母線的重要地位，任何故障的延時切除，都是我們極為不愿意看到的狀況。因為開關(guān)柜內(nèi)的各種故障，其短路電流所產(chǎn)生的電弧及其大量的高溫，使柜內(nèi)氣體急劇膨脹，可在極短的時間內(nèi)達(dá)到頂峰，嚴(yán)重危及人身和設(shè)備安全。 </p> <p> <br /> 電弧光保護裝置廠家直銷，歡迎來電咨詢。保定弧光保護廠家</p><p style="text-indent:25px">弧光保護裝置，弧光保護傳感器專業(yè)生產(chǎn)，歡迎來電咨詢。大同弧光保護代理</p><p> 電力系統(tǒng)中,每年都會有多名電力工程師或電工被電弧擊傷,在電力安全備受重視的***,如何更好地保證人身安全,保證供電系統(tǒng)的穩(wěn)定可靠運行是至關(guān)重要的。據(jù)記者了解,我國電力系統(tǒng)中,35kV及以下電壓等級的母線一般未裝設(shè)弧光保護。近年來,由于各種原因開關(guān)設(shè)備被嚴(yán)重?zé)龤?據(jù)統(tǒng)計資料表明,每年每1000臺開關(guān)柜就有7臺遭到損壞,故障率0.7%。農(nóng)村配電網(wǎng)的概率更高,達(dá)1.2%。,有的甚至發(fā)展成“火燒連營”的***,這些配網(wǎng)***處理不當(dāng)甚至被擴大發(fā)展為輸電網(wǎng)***,造成重大的經(jīng)濟損失,已引起電力部門的***關(guān)注。 </p> <p> 中、低壓母線發(fā)生短路故障時,所產(chǎn)生的電弧光對設(shè)備及人員會造成極大的傷害?？偨Y(jié)其***原因大多是因為沒有裝設(shè)中低壓母線保護,未能快速切除故障造成的,單獨地依賴上一級變壓器的后備保護切除母線短路故障,這樣導(dǎo)致了故障切除時間的延長,加大了設(shè)備的損傷程度,破壞嚴(yán)重時可能造成***進(jìn)一步擴大,威脅到系統(tǒng)的穩(wěn)定運行。大同弧光保護代理</p><p style="text-indent:25px">江蘇基頓電氣自動化有限公司成立于2019-08-05，是一家生產(chǎn)型的公司。江蘇基頓電氣致力于為客戶提供質(zhì)量的[ "數(shù)顯電力儀表", "操控裝置", "弧光保護", "微機綜合保護" ]，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(wù)為理念，秉持誠信為本的理念，打造儀器儀表質(zhì)量品牌。公司自成立以來發(fā)展迅速，業(yè)務(wù)不斷發(fā)展壯大，年營業(yè)額度達(dá)到3000-5000萬元，未來我們將不斷進(jìn)行創(chuàng)新和改進(jìn)，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/701749.html</p></div></div></div></div></div><div id="w32mqco" class="page-right twoColRt"><div id="2apbiu8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="gfxk7b8" 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" 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