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href="http://www.cdcfah.com/cp/third-gkxtjzbyb_baohuqijq/">保護器</a>?滄州弧光保護** 歡迎咨詢江蘇基頓電氣供應</p><div id="j4hw2n2" class="leftbox clearfix"><h1>滄州弧光保護** 歡迎咨詢江蘇基頓電氣供應</h1><div id="okbyoq7" class="proBig"><div id="bnzro33" 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="d744gkh" 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="uw7tp29" 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>產品關鍵詞：</span>滄州弧光保護**</p><p><span>***更新：</span>2020-05-30 01:23:23</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="7tan2bf" 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="akhzwn7" class="page-proshow02"><p class="title">詳細說明</p><div id="zy77p5y" class="box"><p><p style="text-indent:25px">弧光保護在我國電力網領域運行現(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，滄州弧光保護**，滄州弧光保護**,氣體呈帶電的狀態(tài),我們把這一過程叫做氣體的電離，滄州弧光保護**。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)境中物質成分的不同而有巨大的差異。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="滄州弧光保護**" src="https://tyunfile.71360.com/UploadFile/keaton/637255090208691406/971244.jpg"></div><p> 電弧光保護電弧光是通過電離的氣體（空氣）在帶電體和地之間或帶電體之間的短路。高能量的電弧光故障表現(xiàn)為電氣。它們釋放了大量的能量，表現(xiàn)為輻射、熱、強光和高壓波的形式。 </p> <p> 電弧光保護裝置主要作用： </p> <p> 1、減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間，更快地恢復供電。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="滄州弧光保護**" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210458984/175496.jpg"></div><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。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> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="滄州弧光保護**" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210332031/5312785.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/81540.html</p></div></div></div></div></div><div id="m2mel78" class="page-right twoColRt"><div id="dce2jtv" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rgyf889" 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