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src="https://tyunfile.71360.com/UploadFile/keaton/637255090210332031/5312785.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dc75dzp" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090210332031/5312785.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="cara77g" 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>弧光保護(hù)接線,弧光保護(hù)</p><p><span>***更新：</span>2021-01-16 00:16:38</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="7fswgr4" 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="ismicbk" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="e2zngy9" 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，弧光保護(hù)接線，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，弧光保護(hù)接線、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)，若波及站內(nèi)直流系統(tǒng)導(dǎo)致全站直流失電，弧光保護(hù)接線，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，肺臟； </p> <p> 碎片飛射，造成人員傷亡。 </p> <p> <br /> 弧光保護(hù)專業(yè)生產(chǎn)廠家，歡迎來電咨詢?；」獗Ｗo(hù)接線</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="弧光保護(hù)接線,弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210332031/5312785.jpg"></div><p> 圖13電容器主柜運(yùn)行/輔柜檢修示意圖3.圖14極為清楚的顯示：盡管電容器主柜在運(yùn)行、輔柜在檢修，盡管輔柜總電源開關(guān)已分?jǐn)?，但REGO自動(dòng)控制器仍然發(fā)出指令，將輔柜的6組投切接觸器全部吸合。（二）串聯(lián)電抗器電抗率的選擇1.《并聯(lián)電容器裝置設(shè)計(jì)規(guī)范》（GB50227-2008）規(guī)定：，應(yīng)根據(jù)電網(wǎng)條件與電容器參數(shù)經(jīng)相關(guān)計(jì)算分析確定，電抗率取值范圍應(yīng)符合下列規(guī)定：（1）用于限制涌流時(shí)，電抗率宜取～1%。（2）用于諧波時(shí)，電抗率應(yīng)根據(jù)并聯(lián)電容器裝置接入電網(wǎng)處的背景諧波含量的測量值選擇。當(dāng)諧波為5次及以上時(shí)，電抗率宜取～；當(dāng)諧波為3次及以上時(shí)，電抗率宜取；亦可采用～。2．低壓調(diào)諧濾波器產(chǎn)品樣本提示：存在諧波的電網(wǎng)（應(yīng)用非線性負(fù)載例如整流器、電焊等）選擇功率因數(shù)補(bǔ)償系統(tǒng)時(shí)，應(yīng)特別注意產(chǎn)生諧波的影響。為了避免諧振這一危險(xiǎn)現(xiàn)象，電容器一定要串聯(lián)合適的調(diào)諧濾波電抗器。這樣就可以得到諧振頻率低于諧波范圍的振蕩回路。通過調(diào)諧濾波電抗器串聯(lián)電容器傳輸無功功率不同于依靠選擇普通電抗器用于無功補(bǔ)償?shù)脑膫鬏敚驗(yàn)楸仨氈腊惭b補(bǔ)償設(shè)備的電性和應(yīng)用的電抗器對電容器所產(chǎn)生的影響。重慶弧光保護(hù)報(bào)價(jià)母線弧光保護(hù)，歡迎來電咨詢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="弧光保護(hù)接線,弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090208730469/6645876.jpg"></div><p> 爬電起火：爬電是指電弧不是建立在空氣間隙中的電弧，而是出現(xiàn)在設(shè)備絕緣表面上的電弧。例如電源插頭的絕緣表面上的一個(gè)或多個(gè)相線插腳和PE線插腳，之間的絕緣表面可能發(fā)生爬電。 </p> <p> <br /> </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> <br /> </p> <p> 使用了不良性能的導(dǎo)電體 </p> <p> <br /> </p> <p> 絕緣材料的損壞（包括：裂痕，進(jìn)水，老化等） </p> <p> <br /> </p> <p> 人體或其他物品意外地接觸到帶電的物品 </p> <p> <br /> </p> <p> 操作過程中的失誤或者設(shè)計(jì)或安裝錯(cuò)誤 </p> <p> <br /> </p> <p> 元件損壞，沒有良好的維修和保養(yǎng)設(shè)備 </p> <p> <br /> </p> <p> 過電壓 </p> <p> <br /> </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> 弧光保護(hù)裝置的特點(diǎn)： </p> <p> 弧光保護(hù)裝置是母線型弧光保護(hù)系統(tǒng)中的主要保護(hù)設(shè)備。主要用來檢測分析故障信號、接收分析采集單元的弧光故障信號，并對兩種信號進(jìn)行綜合分析判斷。在滿足跳閘條件時(shí)，發(fā)出跳閘指令以便切除故障。一般安裝在進(jìn)線柜或緊鄰進(jìn)線柜的開關(guān)柜的二次控制門板上。其主要的技術(shù)優(yōu)勢有以下幾點(diǎn)： </p> <p> 1、動(dòng)作迅速可靠。 </p> <p> 2、全數(shù)字化設(shè)計(jì)。 </p> <p> 3、保護(hù)原理簡單合理。 </p> <p> 4、故障信息記錄準(zhǔn)確。 </p> <p> 5、多種輔助保護(hù)功能。 </p> <p> 6、強(qiáng)大的電氣性能。弧光保護(hù)裝置專業(yè)銷售。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="弧光保護(hù)接線,弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090209853516/2408474.jpg"></div><p> 電弧光保護(hù)系統(tǒng)使用先進(jìn)的處理器技術(shù)來控制系統(tǒng)的功能。該處理器技術(shù)也使得電弧光保護(hù)系統(tǒng)功能的編程，可匹配開關(guān)柜的不同運(yùn)行方式。在跳閘回路里采用的半導(dǎo)體技術(shù)（可控硅開關(guān)）確保了開關(guān)柜里的供電開關(guān)以小的延時(shí)得到跳閘信號。在不論是KEATON電弧光保護(hù)系統(tǒng)的主控單元，還是電弧光單元探測到電弧光，并且電流單元的整定的電流定值被超過，電弧光保護(hù)系統(tǒng)的跳閘信號將在極短時(shí)間內(nèi)到達(dá)供電開關(guān)。 </p> <p> 電流的信息也可直接取自安全電流回路，在此情況下，電弧光保護(hù)也可盡可能快的得到過流的信息。如果偶爾光線信號超過光線設(shè)定值或者電流信號超過電流設(shè)定值，系統(tǒng)不會(huì)輸出跳閘信號，也不會(huì)記憶在跳閘回路中，但是在主控單元上會(huì)顯示報(bào)警信號。在編程的時(shí)候，需要考慮系統(tǒng)按照用戶所希望的方式正常工作。采用光纖技術(shù)來向主控單元傳輸跳閘信號，確保了電弧光保護(hù)系統(tǒng)的完美功能，它的抗干擾能力強(qiáng)，跳閘信號可以非常迅速的輸出到斷路器。專業(yè)生產(chǎn)電弧光保護(hù)裝置廠家。柳州弧光保護(hù)廠家直銷</p><p style="text-indent:25px">電弧光保護(hù)廠家直銷，可提供OEM，歡迎來電咨詢。弧光保護(hù)接線</p><p> 小爬電距離＝40mm。放電的危險(xiǎn)是存在的。℃。經(jīng)驗(yàn)證明：當(dāng)開關(guān)在較大電流沖擊下瞬間溫升是該數(shù)值的兩倍以上時(shí)，開關(guān)塑料外殼表面電阻會(huì)急劇下降，此時(shí)加上＞750V的高電壓，附著著灰塵的相間絕緣材料表面發(fā)生放電閃絡(luò)短路是完全可能的。4.根據(jù)以上非常有限技術(shù)條件下的分析，筆者認(rèn)為：開關(guān)的接觸機(jī)構(gòu)和絕緣指標(biāo)基本上沒有嚴(yán)重的問題。開關(guān)短路是由于當(dāng)時(shí)電路里出現(xiàn)了超出開關(guān)技術(shù)指標(biāo)的異常狀態(tài)。三、安裝問題本開關(guān)安裝存在明顯問題。（一）使用說明書要求本開關(guān)安裝單位是國內(nèi)某儀表廠。某日，該廠在為大廈更換新開關(guān)時(shí)隨機(jī)帶來一份《SIWOH1-63～1250系列隔離開關(guān)熔斷器組使用說明書》。說明書內(nèi)容共分八部分。其中第七部分-使用與維修-第2條要求：“開關(guān)上的接線端子和接線裸母線應(yīng)包扎絕緣物，防止開關(guān)相間短路。”（二）大廈現(xiàn)場安裝實(shí)況大廈南北變配電室18臺(tái)低壓無功補(bǔ)償柜上的18臺(tái)SIWOH1-630隔離開關(guān)熔斷器組，都沒有按照該使用說明書第七部分-使用與維修-第2條要求安裝。圖10開關(guān)上的接線端子是裸露導(dǎo)體未包扎絕緣物（三）可以說，這一條是開關(guān)制造廠家根據(jù)SIWOH1系列產(chǎn)品的技術(shù)特點(diǎn)，提出的針對性安全要求。如果按照這一條做了?；」獗Ｗo(hù)接線</p><p style="text-indent:25px">江蘇基頓電氣自動(dòng)化有限公司致力于儀器儀表，是一家生產(chǎn)型公司。公司業(yè)務(wù)涵蓋數(shù)顯電力儀表，操控裝置，弧光保護(hù)，微機(jī)綜合保護(hù)等，價(jià)格合理，品質(zhì)有保證。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，打造儀器儀表良好品牌。江蘇基頓電氣秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營理念，全力打造公司的重點(diǎn)競爭力。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2860911.html</p></div></div></div></div></div><div id="tykzyid" class="page-right twoColRt"><div id="8t8zn0f" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="orhmrdu" 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" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="qbdins9" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/846569.html"><div><img 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