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href="http://www.cdcfah.com/cp/third-gkxtjzbyb_baohuqijq/">保護器</a>?重慶弧光保護什么牌子好誠信經(jīng)營江蘇基頓電氣供應</p><div id="2ln8hgn" class="leftbox clearfix"><h1>重慶弧光保護什么牌子好誠信經(jīng)營江蘇基頓電氣供應</h1><div id="ol8augn" class="proBig"><div id="2tvpg2h" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090209853516/2408474.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="v2szwif" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090209853516/2408474.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="aqnfctq" 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>重慶弧光保護什么牌子好,弧光保護</p><p><span>***更新：</span>2020-07-27 10:12:36</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="jhegnzb" 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="dq7he7u" class="page-proshow02"><p class="title">詳細說明</p><div id="uxubtvx" class="box"><p><p> 電弧光的監(jiān)測及防護 </p> <p> 當?shù)蛪洪_關(guān)柜發(fā)生電弧，可以通過三種不同的設(shè)計理念保護操作人員和設(shè)備的安全： </p> <p> 改善設(shè)備的機械結(jié)構(gòu)，使之能夠承受電弧（被動保護） </p> <p> 設(shè)備安裝限制內(nèi)部電弧效應的裝置（主動保護） </p> <p> 設(shè)備安裝限流斷路器 </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> 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***的效應之一，它將在電弧出現(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。當內(nèi)部的壓力達到設(shè)定值時，電弧監(jiān)測裝置發(fā)出動作指令，重慶弧光保護什么牌子好，重慶弧光保護什么牌子好，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。 </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，會發(fā)出動作信號給斷路器，重慶弧光保護什么牌子好。這種方法的探測反應時間*為1毫秒。智能電弧光保護裝置**，廠家直銷，歡迎咨詢。重慶弧光保護什么牌子好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶弧光保護什么牌子好,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090209853516/2408474.jpg"></div><p> 電弧光保護系統(tǒng)： </p> <p> <br /> </p> <p> .相電流電壓采集，主控單元可接入3個電壓和3個電流(或者6個電流，即2條線路) </p> <p> .弧光信號采集，主控單元可接入12路弧光(溫度)等各種輸出為20mA的傳感器，其中1路可接便攜式弧光傳感器 </p> <p> .6個準雙工RS422差分通信接口，速率可達691.2kbps，可**多擴展192個輔助單元 </p> <p> .全系統(tǒng)的電壓、電流、弧光動作定值和溫度的報警設(shè)置的管理 </p> <p> .具有4個雙電子一機械繼電器控制輸出和1個電子繼電器控制輸出 </p> <p> .無延時情況下，單弧光啟動判據(jù)時總故障出口時間小于3nis </p> <p> .電流和弧光雙啟動判據(jù)時總故障出口時間小于6ms </p> <p> .全系統(tǒng)的保護動作、告警、波形記錄等功能，邏輥均可采用后臺軟件進行靈活組態(tài) </p> <p> .具有傳感器、輔助單元及其連接銅纜的連續(xù)監(jiān)測與報警功能 </p> <p> .如果電弧光傳感器持續(xù)動作5s(時間可設(shè))以上，該傳感器的功能將從系統(tǒng)中自動退出，并發(fā)出故障報警;一旦干擾光線消失，將立即恢復正常功能，故障報警自動復位 </p> <p> .支持IRIG-B(DC)或主控單元自同步采樣 </p> <p> .錄波存儲:4.8k/s采樣條件下可以保存32次持續(xù)3s的故障波形重慶弧光保護什么牌子好紫外光弧光保護探頭，專業(yè)生產(chǎn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶弧光保護什么牌子好,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210332031/5312785.jpg"></div><p> 開關(guān)柜和控制柜內(nèi)電弧的發(fā)生 </p> <p> 主配電柜或大型的電氣設(shè)備(如變壓器或發(fā)電機)附近短路能量高而且有故障產(chǎn)生時的電壓也很高。 </p> <p> 在柜體內(nèi)形成電弧的過程可分為四個階段: </p> <p> 壓縮階段:電弧占據(jù)了整個空氣空間，由于持續(xù)的釋放能量產(chǎn)生過熱，導致對流和輻射，保留在柜內(nèi)的空氣被加熱，在整個初級階段不同區(qū)域的溫度和壓力值不一樣。 </p> <p> 擴展階段:從這一瞬間開始，內(nèi)部壓力增加，由于過熱的空氣開始流動而形成一個空洞。在這個階段其壓力達到比較大值，并因為熱空氣的釋放而開始減弱。 </p> <p> 發(fā)射階段:由于電弧能量的持續(xù)釋放，幾乎所有的空氣均被一個緩和但恒定的壓力擠壓出去。 </p> <p> 發(fā)熱階段:在驅(qū)逐出空氣后，柜內(nèi)的溫度幾乎達到電弧的溫度。***階段就由此開始，直至熄滅。此時，所有金屬和絕緣體在受到產(chǎn)生的氣體、霧和溶蝕物質(zhì)顆粒的侵蝕后，已融為一體了。 </p> <p> 當電弧出現(xiàn)在非常封閉的設(shè)備環(huán)境時，可能不會出現(xiàn)上述某些階段或者只有較少的影響;然而，在電弧的周圍，會形成壓力波、并導致溫度的上升。 </p><p> 開關(guān)柜內(nèi)的發(fā)生短路弧光的功率可高達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)生不可修復的器件損壞，從而延長故障修復時間。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行清潔或某些小的修理 </p> <p> 500ms：設(shè)備損壞嚴重，必須更換部分設(shè)備才可再次投入使用。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="重慶弧光保護什么牌子好,弧光保護" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210449219/7963429.jpg"></div><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。當內(nèi)部的壓力達到設(shè)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。 </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，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。弧光保護裝置，弧光保護傳感器專業(yè)生產(chǎn)，歡迎來電咨詢。重慶弧光保護什么牌子好</p><p style="text-indent:25px">超穩(wěn)定弧光保護，廠家直銷。重慶弧光保護什么牌子好</p><p style="text-indent:25px">在人類社會進入知識經(jīng)濟時代、信息技術(shù)高速發(fā)展的背景下，儀器儀表及其測量控制技術(shù)得到日益廣泛應用，給儀器儀表行業(yè)的快速發(fā)展提供了良好契機。經(jīng)過近十年來的建設(shè)與發(fā)展，我國儀器儀表已經(jīng)初步形成產(chǎn)品門類品種比較齊全，具有一定生產(chǎn)規(guī)模和開發(fā)能力的產(chǎn)業(yè)體系，成為亞洲除日本以外第二大儀器儀表生產(chǎn)國。我國現(xiàn)有有限責任公司企業(yè)數(shù)千多家，已經(jīng)形成門類品種比較齊全，具有一定技術(shù)基礎(chǔ)和生產(chǎn)規(guī)模的產(chǎn)業(yè)體系。但同時業(yè)內(nèi)**也指出，雖然我國測試儀器產(chǎn)業(yè)有了一定的發(fā)展，但遠遠不能滿足國民經(jīng)濟各行各業(yè)日益增長的迫切需求。[ "數(shù)顯電力儀表", "操控裝置", "弧光保護", "微機綜合保護" ]產(chǎn)業(yè)是國民經(jīng)濟的基礎(chǔ)性、戰(zhàn)略性產(chǎn)業(yè)，是信息化和工業(yè)化深度融合的源頭，對促進工業(yè)轉(zhuǎn)型升級、發(fā)展戰(zhàn)略性新興產(chǎn)業(yè)、推動現(xiàn)代**建設(shè)、保障和提高人民生活水平具有重要作用。我們必須承認，在**科學儀器上，我們跟先進國家比，還有很大的差距。這個差距，就是我們提升的空間。合**、大學和企業(yè)之力，中國的生產(chǎn)型必將在不遠的將來，在相關(guān)領(lǐng)域的基礎(chǔ)研究和**光學部件研發(fā)上取得突破，產(chǎn)品進入世界中**水平，企業(yè)得到臺階式上升，迎頭趕上，與全球**企業(yè)并駕齊驅(qū)。重慶弧光保護什么牌子好</p><p style="text-indent:25px">江蘇基頓電氣自動化有限公司創(chuàng)立于2019-08-05，是一家生產(chǎn)型公司。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" 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