山東弧光保護(hù)裝置公司歡迎來電上海麥哥思電氣供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="電氣系統(tǒng)中的故障電弧　　電弧是一種氣體游離放電現(xiàn)象，山東弧光保護(hù)裝置公司，也是一種等離子體。電弧中的電流從微觀上看是電子及正離子在電場(chǎng)作用下移動(dòng)的結(jié)果，其中，電子的移動(dòng)構(gòu)成電流的主要部分?！　「鶕?jù)電弧產(chǎn)生的機(jī)理，電弧可以分為2類：好弧(插拔"><meta name="keywords" content="山東弧光保護(hù)裝置公司,弧光保護(hù)裝置"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>山東弧光保護(hù)裝置公司,弧光保護(hù)裝置</p><p><span>***更新：</span>2021-01-27 02:06:16</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="tb2xkmy" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海麥哥思電氣有限公司</a></p><p><span>聯(lián)系人：</span>高先生</p><p><span>郵箱: </span>945506508@qq.com</p><p><span>電話: </span>18916582772</p><p><span>傳真: </span>021_33592772</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-33592771</p><p><span>地址: </span>元江路5500號(hào)第1幢</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="koqfwtk" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="87izgt7" class="box"><p><p style="text-indent:25px">電氣系統(tǒng)中的故障電弧　　電弧是一種氣體游離放電現(xiàn)象，山東弧光保護(hù)裝置公司，也是一種等離子體。電弧中的電流從微觀上看是電子及正離子在電場(chǎng)作用下移動(dòng)的結(jié)果，其中，電子的移動(dòng)構(gòu)成電流的主要部分。　　根據(jù)電弧產(chǎn)生的機(jī)理，電弧可以分為2類：好弧(插拔電器時(shí)產(chǎn)生的弧等)和壞弧(故障電弧)。故障電弧主要是由于電線等電氣絕緣老化、破損、空氣潮濕等引起的氣體擊穿或者電氣連接松動(dòng)原因造成的。故障電弧根據(jù)電弧電流的強(qiáng)度，山東弧光保護(hù)裝置公司，可以分為高水平電弧和低水平電弧，山東弧光保護(hù)裝置公司。故障電弧根據(jù)弧產(chǎn)生的位置又可分為3類，即串型電弧、對(duì)地電弧以及并型電弧質(zhì)量弧光保護(hù)裝置麥哥思電氣。山東弧光保護(hù)裝置公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東弧光保護(hù)裝置公司,弧光保護(hù)裝置" src="https://tyunfile.71360.com/UploadFile/shmgsdq/637244451982783203/890605.jpg"></div><p style="text-indent:25px">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形成短路，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，以輻射、熱、強(qiáng)光和高壓波的形式表現(xiàn)出來。弧光的產(chǎn)生原因： 1、人為原因：操作不當(dāng)； 2、設(shè)備正常時(shí)間的絕緣老化； 3、小動(dòng)物、灰塵、溫度、濕度、腐蝕等環(huán)境因素。弧光的特點(diǎn) 1、當(dāng)至少一部分電流擊穿絕緣體時(shí)，例如空氣，就會(huì)產(chǎn)生電弧光（電弧光可以通過絕緣體傳播）； 2、****峰值功率可達(dá)40MW； 3、電弧光內(nèi)部溫度****可達(dá)到太陽表溫的五倍（20000℃）； 4、電弧光強(qiáng)度是普通辦公室照明的2000倍； 5、電弧光的****電壓可達(dá)500-1000V。甘肅性能優(yōu)良弧光保護(hù)裝置質(zhì)量弧光保護(hù)裝置生產(chǎn)商上海麥哥思電氣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東弧光保護(hù)裝置公司,弧光保護(hù)裝置" src="https://tyunfile.71360.com/UploadFile/shmgsdq/637244451982919922/597320.jpg"></div><p style="text-indent:25px">什么是變壓器差動(dòng)電流速斷保護(hù)？差動(dòng)速斷電流是指電氣設(shè)備進(jìn)線端與出線端的電流差達(dá)到使相應(yīng)設(shè)備做出斷電動(dòng)作的電流值。電力系統(tǒng)中微機(jī)線路保護(hù)的主要優(yōu)點(diǎn)有哪些？ 1、在現(xiàn)場(chǎng)可靈活地改變繼電器的特性。 2、程序具有自適應(yīng)性，可按系統(tǒng)運(yùn)行狀態(tài)自動(dòng)改變整定值和特性。 3、可以使保護(hù)性能得到更大的改進(jìn)。 4、有自檢能力。 5、有利于****后分析。 6、有可存取的存儲(chǔ)器。 7、可增加硬件的功能。 8、可與計(jì)算機(jī)交換信息。 9、可在低功率傳變機(jī)構(gòu)內(nèi)工作。</p><p style="text-indent:25px">弧光傳感器的抗干擾能力如何？答：弧光保護(hù)系統(tǒng)通過光的強(qiáng)度（光照度）來判斷超過整定值的光。一般情況下，辦公室、會(huì)議室的光照度為200-750Lux，制圖室、電腦室等的光照度為300-1500Lux。在中低壓變電站室內(nèi)加上金屬鎧裝開關(guān)柜的封閉性，其母線倉、小車倉及電纜倉能接收的光強(qiáng)度一般不會(huì)超過1000Lux。而發(fā)生弧光故障時(shí)，其光照度可達(dá)100KLux，遠(yuǎn)遠(yuǎn)超過了普通光源。弧光保護(hù)系統(tǒng)一般推薦整定在30KLux左右，可以屏蔽所有日常的干擾光源。另外電焊的光照度可以達(dá)到弧光保護(hù)整定值范圍內(nèi)，在裝有弧光保護(hù)系統(tǒng)并且沒有投入附助電流閉鎖功能，開關(guān)柜7米范圍內(nèi)不得使用電焊。若工程需要，必須臨時(shí)增加遮光板或暫時(shí)退出弧光保護(hù)系統(tǒng)（退出跳閘出口保護(hù)壓板即可）。微機(jī)綜合保護(hù)系統(tǒng)推薦上海麥哥思電氣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東弧光保護(hù)裝置公司,弧光保護(hù)裝置" src="https://tyunfile.71360.com/UploadFile/shmgsdq/637244451982919922/3530540.jpg"></div><p style="text-indent:25px">電弧光保護(hù)系統(tǒng)在新建和現(xiàn)有開關(guān)上安裝是否都非常方便？答：在設(shè)計(jì)和運(yùn)用該系統(tǒng)的過程中，我們不**考慮了系統(tǒng)的****保護(hù)性能，也考慮了該系統(tǒng)的易安裝性和可操作性。系統(tǒng)在安裝時(shí)不需要增加特殊的配件，提供設(shè)備時(shí)會(huì)附帶安裝包。（1）在基建項(xiàng)目中設(shè)計(jì)弧光保護(hù)不會(huì)改變或影響原有的其它保護(hù)的設(shè)計(jì)和配置；（2）在技改項(xiàng)目中加裝電弧光保護(hù)裝置也很容易實(shí)現(xiàn)，不需要填加額外的電流互感器，也不會(huì)影響原來的保護(hù)裝置和控制系統(tǒng)。開關(guān)柜內(nèi)安裝弧光傳感器是否會(huì)存在盲區(qū)？答：弧光傳感器在沒有障礙物的情況下以其探頭為球心可以探測(cè)7m范圍內(nèi)的弧光信號(hào)，其探測(cè)角度為300度。在有限的開關(guān)柜空間里弧光故障瞬間的光強(qiáng)度會(huì)達(dá)到幾萬甚至十幾萬Lux。所以，一般在開關(guān)柜的一個(gè)倉內(nèi)安裝弧光傳感器完全足以檢測(cè)區(qū)域內(nèi)的所有弧光信號(hào)，不存在檢測(cè)盲區(qū)。弧光保護(hù)裝置質(zhì)量生產(chǎn)廠家麥哥思電氣。河南高質(zhì)量弧光保護(hù)裝置</p><p style="text-indent:25px">弧光保護(hù)裝置質(zhì)量生產(chǎn)廠家上海麥哥思電氣。山東弧光保護(hù)裝置公司</p><p style="text-indent:25px">當(dāng)?shù)蛪洪_關(guān)柜發(fā)生電弧，可以通過三種不同的設(shè)計(jì)理念保護(hù)操作人員和設(shè)備的安全： l 改善設(shè)備的機(jī)械結(jié)構(gòu)，使之能夠承受電?。ū粍?dòng)保護(hù)） l 設(shè)備安裝限制內(nèi)部電弧效應(yīng)的裝置（主動(dòng)保護(hù)） l 設(shè)備安裝限流斷路器這三種方案（可聯(lián)合使用）已在工業(yè)領(lǐng)域得到快速的發(fā)展，并為一些主要的低壓開關(guān)控制柜制造商****使用。其中限制內(nèi)部電弧效應(yīng)的裝置是一種主動(dòng)保護(hù)裝置，它含有機(jī)電/電子裝置，較被動(dòng)保護(hù)裝置更為復(fù)雜。主動(dòng)保護(hù)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。主動(dòng)保護(hù)有以下兩種常見的、可行的方法： 1）通過壓力傳感器進(jìn)行監(jiān)測(cè) 2）通過弧光傳感器進(jìn)行監(jiān)測(cè)山東弧光保護(hù)裝置公司</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3025496.html</p></div></div></div></div></div><div id="89rs3dq" class="page-right twoColRt"><div id="v77ryvc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wqx7nzw" class="recomPic likePro"><a href="http://www.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="xheimik" class="recomPic likePro"><a 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