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class="proBig"><div id="gkr8x9g" class="bigimg"><div><p class="pic"><img 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 id="38daep2" class="smallimg"><div><p class="pic"><img 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="jwypwiz" 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)品關鍵詞：</span>陜西饋線弧光保護,弧光保護</p><p><span>***更新：</span>2020-07-06 10:19:09</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="cbi33xw" 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="felxe7p" class="page-proshow02"><p class="title">詳細說明</p><div id="l7u3ijv" class="box"><p><p style="text-indent:25px">1 弧光保護**早出現(xiàn)在國外abb和vamp，但國內(nèi)百繼電保護的發(fā)展其實比國外快，也更完善，比如國內(nèi)多采用光纖型光纖傳感器代替早期的電纜型提高絕緣安全，采用紫外探頭代替可見光探頭來規(guī)避電力巡度檢時強光手電的誤判等，陜西饋線弧光保護。2 集中和分散式各有優(yōu)劣，早期國外是分散式的，國內(nèi)的集中式更多一些，從可靠性角度，集中式只有一個有源設備，光專纖和探頭都是無源，因此更可靠，對于柜子較多時，陜西饋線弧光保護，可采用兩臺集中或一臺加擴屬展模塊的形式接入更多的探測點，國內(nèi)的南瑞基頓電氣等弧光保護都支持這種模式，陜西饋線弧光保護。母線弧光保護，歡迎來電咨詢。陜西饋線弧光保護</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西饋線弧光保護,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210458984/175496.jpg"></div><p> 監(jiān)測及防護 </p> <p> 當?shù)蛪洪_關柜發(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> 改善設備的機械結構，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> 這三種方案(可聯(lián)合使用)已在工業(yè)領域得到快速的發(fā)展，并為一些主要的低壓開關控制柜制造商普遍使用。 </p> <p> 其中限制內(nèi)部電弧效應的裝置是一種主動保護裝置，它含有機電/電子裝置，較被動保護裝置更為復雜。 </p> <p> 主動保護即通過安裝限制電弧的裝置，以防止內(nèi)部出現(xiàn)故障電弧。開關柜弧光保護排名弧光保護裝置，弧光保護傳感器專業(yè)生產(chǎn)，歡迎來電咨詢。</p> <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><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西饋線弧光保護,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090209853516/2408474.jpg"></div><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飛躍發(fā)展以來,紫外光弧光保護技術可堪稱**突出的技術進步。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。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。</p><p> 國產(chǎn)的弧光保護比進口的更適用，國產(chǎn)的把主控單元、電流單元和copy弧光采集單元集成在一起，安裝方便，可靠性高，進口的分幾個單元主要是為了自己的利益。其實UTU和RIZNER兩個產(chǎn)品實質(zhì)上是一樣的，面板不同而已。 </p> <p> 目前南京、保定的生產(chǎn)廠家都是采用一體式的裝置，只有早起仿ABB、VAMP、UTU的廠家按照進口產(chǎn)品的結構模式做的，各個單元之間通過電纜連接，人為增加了節(jié)點，反而降低了設備的可靠性。zhidao </p> <p> 弧光保護的技術發(fā)源地在芬蘭。ABB的REA系列，Vamp的321,221系列，在國內(nèi)都有比較多的應用，還有Arcteq、UTU 也都有較成熟的弧光保護產(chǎn)品。 </p> <p> 電弧是放電過程中發(fā)生的一種現(xiàn)象，當兩點之間的電壓超過其工頻絕緣強度極限時就會發(fā)生。當適當?shù)臈l件出現(xiàn)時，一個攜帶著電流的等離子產(chǎn)生，直到電源側的保護設備斷開才會消失?？諝庠谕ǔl件是很好的絕緣體，但由于溫度的升高或者其他外部因素的作用，其化學和物理特性發(fā)生改變時，它可能變成通電的導體。高精度弧光保護，廠家直銷。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西饋線弧光保護,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090208583984/7334798.jpg"></div><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弧光保護。近年來,由于各種原因開關設備被嚴重燒毀,據(jù)統(tǒng)計資料表明,每年每1000臺開關柜就有7臺遭到損壞,故障率0.7%。農(nóng)村配電網(wǎng)的概率更高,達1.2%。,有的甚至發(fā)展成“火燒連營”的***,這些配網(wǎng)***處理不當甚至被擴大發(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)生的電弧光對設備及人員會造成極大的傷害?？偨Y其***原因大多是因為沒有裝設中低壓母線保護,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,這樣導致了故障切除時間的延長,加大了設備的損傷程度,破壞嚴重時可能造成***進一步擴大,威脅到系統(tǒng)的穩(wěn)定運行。弧光保護裝置廠家直銷，全國招商。成都弧光保護怎么操作</p><p style="text-indent:25px">弧光保護裝置，廠家直銷，全國招商，可提供OEM。陜西饋線弧光保護</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> 陜西饋線弧光保護</p><p style="text-indent:25px">江蘇基頓電氣自動化有限公司是一家自動化設備、電氣機械及器材、儀器儀表、電子產(chǎn)品的研發(fā)生、銷售；計算機硬件、電氣設備的技術研發(fā)、設計。電力儀表事業(yè)部主要產(chǎn)品包括：電力儀表系列、智能電動機保護器系列、開關柜智能操控裝置系列、智慧用電監(jiān)控模塊系列、電量變送器系列，及系統(tǒng)集成系列產(chǎn)品。產(chǎn)品普遍用于冶金、石化、電力、建筑、市政等行業(yè)。的公司，創(chuàng)建于2019-08-05。江蘇基頓電氣深耕行業(yè)多年，始終以客戶的需求為向?qū)В瑸榭蛻籼峁?**的[ "數(shù)顯電力儀表", "操控裝置", "弧光保護", "微機綜合保護" ]。公司擁有多年的行業(yè)經(jīng)驗，每年以銷售收入達到3000-5000萬元，如果您想了解更多產(chǎn)品信息，請通過頁面上的電話聯(lián)系我們。江蘇基頓電氣始終關注儀器儀表市場，以敏銳的市場洞察力以準確定位，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/512429.html</p></div></div></div></div></div><div id="3xby2m7" class="page-right twoColRt"><div id="oheqx2s" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ptabsyk" class="recomPic likePro"><a 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