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id="ihj2bd7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090208730469/6645876.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kdv339x" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>北?；」獗Ｗo(hù)外殼,弧光保護(hù)</p><p><span>***更新：</span>2020-07-31 02:16:48</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="smzjvxu" 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(dòng)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(jī): </span>0510-85027009</p><p><span>地址: </span>長(zhǎng)安鎮(zhèn)友誼路28號(hào)</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="ncubta7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8egdkro" class="box"><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> 使用了不良性能的導(dǎo)電體 </p> <p> 絕緣材料的損壞（包括：裂痕，進(jìn)水，老化等） </p> <p> 人體或其他物品意外地接觸到帶電的物品 </p> <p> 操作過程中的失誤或者設(shè)計(jì)或安裝錯(cuò)誤 </p> <p> 元件損壞，沒有良好的維修和保養(yǎng)設(shè)備 </p> <p> 過電壓 </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） </p> <p> 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(huì)造成開關(guān)設(shè)備中的壓力和溫度迅速增加，如不及時(shí)切除、將可能造成以下重大危害： </p> <p> 電弧光中心溫度（相當(dāng)于太陽表面溫度的2~4倍，約為10000~20000°C）過高導(dǎo)致銅排，北?；」獗Ｗo(hù)外殼、鋁排熔毀氣化； </p> <p> 電纜熔毀，電纜護(hù)套著火； </p> <p> 開關(guān)設(shè)備劇烈振動(dòng)，使固定元件松脫； </p> <p> 使上一級(jí)變壓器承受近距離短路沖擊，故障電流產(chǎn)生的電動(dòng)力可能導(dǎo)致變壓器繞組變形引起匝間短路； </p> <p> <br /> </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)，北?；」獗Ｗo(hù)外殼，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(bǔ)的重大損失； </p> <p> 燃燒產(chǎn)生的0氣體被人吸入會(huì)產(chǎn)生生命危險(xiǎn)； </p> <p> 高溫灼傷皮膚，強(qiáng)光刺傷眼睛 </p> <p> 爆破音振損傷耳膜，北?；」獗Ｗo(hù)外殼，肺臟； </p> <p> 碎片飛射，造成人員傷亡。 </p> <p> <br /> 電弧光保護(hù)裝置全國(guó)招商。北海弧光保護(hù)外殼</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北?；」獗Ｗo(hù)外殼,弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090208730469/6645876.jpg"></div><p> 弧光保護(hù)裝置具備傳統(tǒng)低壓保護(hù)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)。弧光保護(hù)裝置是一種快速可靠的**母線保護(hù)系統(tǒng)，采用檢測(cè)弧光和過流雙判據(jù)原理，具有原理簡(jiǎn)單、動(dòng)作可靠迅速、對(duì)變電站一次設(shè)備無特殊要求、適應(yīng)于各種運(yùn)行方式、且在各種運(yùn)行方式下保護(hù)不需要切換等優(yōu)點(diǎn)，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(hù)理想的解決方案。 </p> <p> 弧光保護(hù)裝置工作原理，就是檢測(cè)弧光和過流。突破了常規(guī)保護(hù)的判據(jù)原則，率先采用了檢測(cè)弧光和電流兩個(gè)非關(guān)聯(lián)參數(shù)作為判據(jù)比其他保護(hù)誤動(dòng)率更小，可靠性更高。弧光采集單元與主控單元配合使用，是弧光保護(hù)裝置的重要組成部分，主要用于采集故障弧光，并將判斷后的結(jié)果通過光信號(hào)傳遞給主控單元。單個(gè)弧光采集單元可以安裝,16個(gè)弧光探頭，根據(jù)系統(tǒng)的大小可以任意增減弧光采集單元的數(shù)量?；」獠杉瘑卧ǔ０惭b在選定的開關(guān)柜內(nèi)中，選擇的原則是保證該單元相關(guān)光纖用量盡量少。高壓弧光保護(hù)哪家質(zhì)量好弧光保護(hù)生產(chǎn)廠家，歡迎來電咨詢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北?；」獗Ｗo(hù)外殼,弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090208691406/971244.jpg"></div><p> 電弧光保護(hù)與母線保護(hù) </p> <p> 電弧光保護(hù)是動(dòng)作時(shí)間**短的母線保護(hù)。 </p> <p> 而為什么其他母線保護(hù)的動(dòng)作時(shí)間那么長(zhǎng)，因?yàn)椤氨Ｗo(hù)配合”。電弧光保護(hù)只要滿足“電弧”和“過流”等判據(jù)就可立即發(fā)出跳閘指令。而其他母線保護(hù)（參考西門子公司7SD和7SJ62綜保裝置）當(dāng)滿足“過流”判據(jù)后還必須等待下級(jí)負(fù)載的“無過流匯報(bào)”后才可以發(fā)出跳閘指令。因?yàn)橄录?jí)負(fù)載短路和母線短路都會(huì)造成進(jìn)線開關(guān)“過流”，如果下級(jí)負(fù)載短路應(yīng)該讓下級(jí)負(fù)載開關(guān)來切除，母線短路則由母線進(jìn)線開關(guān)來切除。電弧光保護(hù)猶如手持尚方寶劍，而其他母線保護(hù)則就像一個(gè)團(tuán)隊(duì)，不敢輕舉妄動(dòng)。 </p> <p> 總上所述，采用電弧光母線保護(hù)可以在現(xiàn)有開關(guān)柜的電弧耐受時(shí)間標(biāo)準(zhǔn)以內(nèi)切除弧光短路故障，從而比較大限度地保護(hù)了附近工作人員，使開關(guān)裝置等配電設(shè)備免受損壞，很大減少了設(shè)備維修費(fèi)用及維修故障所需的停電時(shí)間，因而具有明顯的經(jīng)濟(jì)效益，為理想的中壓母線保護(hù)解決方案。 </p><p> 工作原理 </p> <p> 電弧光保護(hù)以電流單元為基礎(chǔ)分組，弧光探頭可以整定關(guān)聯(lián)到任意一組電流信號(hào)上。當(dāng)弧光單元把光信號(hào)從弧光傳感器傳輸?shù)交」獗Ｗo(hù)設(shè)備時(shí)，并且同時(shí)電流啟動(dòng)元件動(dòng)作和電弧光保護(hù)動(dòng)作，裝置可選擇弧光信號(hào)動(dòng)作單判據(jù)作為動(dòng)作邏輯判斷。 </p> <p> 當(dāng)檢測(cè)到本身硬件故障時(shí)，發(fā)出告警信號(hào)，同時(shí)閉鎖整套保護(hù)。硬件故障包括：采樣回路故障、RAM出錯(cuò)、定值出錯(cuò)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(gè)弧光信號(hào)檢測(cè)接口，用于接收來自弧光傳感器的弧光故障信號(hào)。4個(gè)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(biāo)準(zhǔn)。2路報(bào)警出口，其中一路為裝置故障出口。12路電流輸入，檢測(cè)4組三相電流信號(hào)，用于判斷故障電流。 </p> <p> 性價(jià)比高，弧光保護(hù)全國(guó)招商。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北海弧光保護(hù)外殼,弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210458984/175496.jpg"></div><p style="text-indent:25px">弧光保護(hù)在我國(guó)電力網(wǎng)領(lǐng)域運(yùn)行現(xiàn)狀及未來系統(tǒng)遠(yuǎn)景，我們降下文章以下介紹中逐一說明：繼電保護(hù)領(lǐng)域繼微機(jī)保護(hù)技術(shù)飛躍發(fā)展以來,紫外光弧光保護(hù)技術(shù)可堪稱**突出的技術(shù)進(jìn)步。采用光纖電弧光保護(hù)系統(tǒng),從光纖弧光傳感器檢測(cè)到故障電弧光,到出口報(bào)警跳閘時(shí)間小于4ms,遠(yuǎn)遠(yuǎn)快于傳統(tǒng)的繼電保護(hù)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(huì)變成導(dǎo)電體。當(dāng)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(shí),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(shí)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。智能電弧光保護(hù)裝置**，廠家直銷，歡迎咨詢。北?；」獗Ｗo(hù)外殼</p><p style="text-indent:25px">穩(wěn)定性好，保護(hù)功能強(qiáng)大，母線弧光保護(hù)，廠家直銷。北?；」獗Ｗo(hù)外殼</p><p> 電弧光保護(hù)裝置的主要作用 </p> <p> 1、減專少或降低電弧光對(duì)于人體的傷害。 </p> <p> 2、減少或降低電弧光短路故障對(duì)于設(shè)備的損害。 </p> <p> 3、避免變壓器因近距離母線故障造成動(dòng)穩(wěn)定破壞，延長(zhǎng)變壓器的使用壽命。 </p> <p> 4、縮短電弧光故障切除時(shí)間，避免波及站內(nèi)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(shè)備停運(yùn)的時(shí)屬間，更快地恢復(fù)供電。 </p> <p> 主要應(yīng)用于以下場(chǎng)合 </p> <p> 1、電力變電站。 </p> <p> 2、火電廠電氣段開關(guān)柜母線室及饋線柜。 </p> <p> 3、風(fēng)電場(chǎng)升壓站集電線路開關(guān)柜。 </p> <p> 4、箱式變電站。北海弧光保護(hù)外殼</p><p style="text-indent:25px">江蘇基頓電氣自動(dòng)化有限公司注冊(cè)資金3000-5000萬元，是一家擁有101~300人***員工的企業(yè)。公司業(yè)務(wù)分為[ "數(shù)顯電力儀表", "操控裝置", "弧光保護(hù)", "微機(jī)綜合保護(hù)" ]等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供質(zhì)量的產(chǎn)品和服務(wù)。公司從事儀器儀表多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供質(zhì)量的產(chǎn)品及服務(wù)。公司自成立以來發(fā)展迅速，業(yè)務(wù)不斷發(fā)展壯大，年?duì)I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://m.cdcfah.com/cp/757561.html</p></div></div></div></div></div><div id="bkhe8mg" class="page-right twoColRt"><div id="7gdfx8c" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="uz8efmy" class="recomPic likePro"><a href="http://m.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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