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class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_gkxtjzbyb/">工控系統(tǒng)及裝備</a>?<a href="http://www.cdcfah.com/cp/third-gkxtjzbyb_plcod/">PLC</a>?上海直銷電流互感器好價格歡迎咨詢上海喆和機電科技供應(yīng)</p><div id="rqpzfmt" class="leftbox clearfix"><h1>上海直銷電流互感器好價格歡迎咨詢上海喆和機電科技供應(yīng)</h1><div id="m9pjlx2" class="proBig"><div id="2sb427n" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087534940225/6371670875349402255061651.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="4mdcuwi" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087534940225/6371670875349402255061651.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bsky89q" 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>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>上海直銷電流互感器好價格,電流互感器</p><p><span>***更新：</span>2020-11-17 15:04:57</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="0h3kgx2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海喆和機電科技有限公司</a></p><p><span>聯(lián)系人：</span>李小雅</p><p><span>郵箱: </span>shzh-sh@qq.com</p><p><span>電話: </span>13761188658</p><p><span>傳真: </span>021_53862782</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>021-53862782</p><p><span>地址: </span>上海市靜安區(qū)恒豐北路100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="eof4ahg" class="page-proshow02"><p class="title">詳細說明</p><div id="k9h9wiz" class="box"><p><p> 上海喆和供應(yīng)西門子APT電流互感器ALH-0.66系列。上海喆和在對電流互感器進行檢修時發(fā)現(xiàn)，即使互感器的二次線圈開路運行，也不會造成設(shè)備損害。這一現(xiàn)象與傳統(tǒng)的電工手冊及各類教材所提出的電流互感器二次開路產(chǎn)生幾百伏以上、危及人身安全的高壓，上海直銷電流互感器好價格，鐵芯嚴重發(fā)熱，燒壞電流互感器并不一致。為了解決這一問題，弄清電流互感器的運行參數(shù)，作者進行了一系列的實驗，在進行了大量調(diào)查實驗基礎(chǔ)上，上海直銷電流互感器好價格，得出了令人信服的結(jié)論。 </p> <p> 上海喆和發(fā)現(xiàn)，目前生產(chǎn)和應(yīng)用的電流互感器的發(fā)熱特性與傳統(tǒng)結(jié)論截然不同：其二次開路狀態(tài)工作時，一般不會過熱；只有極少數(shù)型號功耗增大，發(fā)熱嚴重，但在正常工作電流下，也不會燒壞設(shè)備。至于二次開路電壓，則始終在低壓范圍內(nèi)波動，上海直銷電流互感器好價格。上海喆和在對數(shù)十種型號的電流互感器進行實驗測定的基礎(chǔ)上，得出結(jié)論，二次開路時具有恒壓源和恒流源兩種電路的特性，可以穩(wěn)定、可靠地用作自動控制功率型信號源。這種突破傳統(tǒng)的電路運用方式，可廣泛應(yīng)用于自動化控制設(shè)計，產(chǎn)生良好的經(jīng)濟效益和社會效益。 </p> <p> 從實際出發(fā)，不迷信傳統(tǒng)觀念，利用科學手段突破舊有框框，大膽創(chuàng)新，才能在科技事業(yè)中取得成績。上海喆和定制銷售西門子電流互感器ALH-0.66系列。上海直銷電流互感器好價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海直銷電流互感器好價格,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087534940225/6371670875349402255061651.png"></div><p> 電流互感器使用注意事項(1)極性連接要正確。電流互感器一般按減極性標注，如果極性連接不正確，就會影響計量，甚至在同**路有多臺電流互感器并聯(lián)時，全造成短路***。(2)二次回路應(yīng)設(shè)保護性接地點，并可靠連接。為防止一、二次繞組之間絕緣擊穿后高電壓竄入低壓側(cè)危及人身和儀表安全，電流互感器二次側(cè)應(yīng)設(shè)保護性接地點，接地點只允許接一個，一般將靠近電流互感器的箱體端子接地。(3)運行中二次繞組不允許開路。否則會導致以下嚴重后果：二次側(cè)出現(xiàn)高電壓，危及人身和儀表安全;出現(xiàn)過熱，可能燒壞繞組;增大計量誤差。(4)用于電能計量的電流互感器二次回路，不應(yīng)再接繼電保護裝置和自動裝置等，以防互相影響。上海直銷電流互感器好價格上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 30III電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海直銷電流互感器好價格,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087771928659/6371670877719286596119342.png"></div><p> 電流互感器的常見問題往往與制造缺點有關(guān)，具體如下：電流互感器的絕緣很厚，有的絕緣包繞松散，絕緣層間有皺折，加之真空處理不良，浸漬不完全而造成含氣空腔，從而易引起局部放電故障[12]電容屏尺寸與排列不符合設(shè)計要求，電流互感器故障原因統(tǒng)計[13]甚至少放電容屏，電容極板不光滑平整，甚至錯位或斷裂，使其均壓特性破壞。因此，當局部固體絕緣沿面的電場強度達到一定數(shù)值時，就會造成局部放電。上述局部放電的直接后果是使絕緣油裂解，在絕緣層間生成大量的x臘，介損增大。這種放電是有累積效應(yīng)的，任其發(fā)展下去，油中氣體分析將可能出現(xiàn)電弧放電的特征。由于絕緣材料不清潔或含濕高，可能在其表面產(chǎn)生沿面放電。這種情況多見于一次端子引線沿墊塊表面放電某些連接松動或金屬件電位懸浮將導致火花放電，例如一次繞組支持螺母松動，造成一次繞組屏蔽鋁箔電位懸浮，末屏引線接觸或焊接不良甚至斷線，均會引起此類故障。次連接夾板、螺栓、螺母松動，末屏接地螺母松動，抽頭緊固螺母松動等，均可能使接觸電阻增大，從而導致局部過熱故障。此外，現(xiàn)場維護管理不當也應(yīng)引起重視。例如，互感器進水受潮，雖然可能與制造廠的密封結(jié)構(gòu)和密封材料有關(guān)，但是。 </p><p> 上海喆和銷售西門子APT原廠ALH-0.66電流互感器 </p> <p> 型號 ALH-0.66 80*50II 750/5ML </p> <p> 型號 ALH-0.66 30II 50/1 </p> <p> 型號 ALH-0.66 30II 25/5 </p> <p> 型號 ALH-0.66 30II 100/1 </p> <p> 型號 ALH-0.66 30II 60/1 </p> <p> 型號 ALH-0.66 30II 30/5 </p> <p> 型號 ALH-0.66 30II 75/1 </p> <p> 型號 ALH-0.66 30II 40/5 </p> <p> 型號 ALH-0.66 30I-I 300/5ML </p> <p> 型號 ALH-0.66 30I 250/50.2R2.5V </p> <p> 型號 ALH-0.66 40II 75/5ML </p> <p> 型號 ALH-0.66 30I 600/5 </p> <p> 型號 ALH-0.66 30I-I 250/5ML </p> <p> 型號 ALH-0.66 D12 40/1 </p> <p> 型號 ALH-0.66 40II 40/5 </p> <p> 型號 ALH-0.66 M8-II 80/5 </p> <p> 型號 ALH-0.66 D22 600/5 </p> <p> 型號 ALH-0.66 80I 1250/5 </p> <p> 型號 ALH-0.66 100*50II 500/1 </p> <p> 型號 ALH-0.66 60II 3000/5 </p> <p> 型號 ALH-0.66 30I 45/1 </p> <p> 型號 ALH-0.66 50III 250/5 </p> <p> 型號 ALH-0.66 60I 1250/5 </p> <p> 型號 ALH-0.66 40II 20/5 </p> <p> 型號 ALH-0.66 M8-I 120/5 </p> <p> 型號 ALH-0.66 40I 300/5ML </p> <p> 型號 ALH-0.66 80I 700/5 </p> <p> 型號 ALH-0.66 80II 1500/5 0.2SR 20VA 1T 0VA 1T </p> <p> 型號 ALH-0.66 80I 1000/5 0.2SR 10VA 1T 0VA 1T </p> <p> 型號 ALH-0.66 30I 80/5ML </p> <p> 型號 ALH-0.66 60I 2000/1 </p> <p> 型號 ALH-0.66 D8-I 10/5 </p> <p> 型號 ALH-0.66 40I 120/5 </p> <p> 型號 ALH-0.66 100*50II 1600/5ML </p> <p> 型號 ALH-0.66 30I-I 200/51R10VA1T </p> <p> 型號 ALH-0.66 40I 500/5ML </p> <p> 型號 ALH-0.66 100*85II 4000/5 </p> <p> 型號 ALH-0.66 80II 1200/10.5R10VA 690V ML VA ML </p> <p> 型號 ALH-0.66 30I-I 200/1 </p> <p> 型號 ALH-0.66 50II 1000/5 0.5R </p> <p> 型號 ALH-0.66 170*50II 5000/5 上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 60III電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海直銷電流互感器好價格,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087835529280/6371670878355292804681260.png"></div><p> 上海喆和銷售西門子APT原廠ALH-0.66電流互感器 </p> <p> 型號 ALH-0.66 100*50II 3000/1ML </p> <p> 型號 ALH-0.66 100II 3000/5ML </p> <p> 型號 ALH-0.66 30I-I 15/5 0.5R 2.5A 8T </p> <p> 型號 ALH-0.66 60*50II 1500/50.5 </p> <p> 型號 ALH-0.66 80II 1250/10.5R15 </p> <p> 型號 ALH-0.66 40II 1000/5ML </p> <p> 型號 ALH-0.66 30I-I 150/110VAM </p> <p> 型號 ALH-0.66 30I-I 30/10.5R5VA </p> <p> 型號 ALH-0.66 80*50II 300/51R5 </p> <p> 型號 ALH-0.66 40I 75/5ZZ </p> <p> 型號 ALH-0.66 30I-I 40/11RML </p> <p> 型號 ALH-0.66 40II 350/5ML </p> <p> 型號 ALH-0.66 30I-I 50/1ML </p> <p> 型號 ALH-0.66 40I 200/5ML </p> <p> 型號 ALH-0.66 30I-I 75/50.5R2.5 </p> <p> 型號 ALH-0.66 40I 350/5 </p> <p> 型號 ALH-0.66 30I-I 250/1ML </p> <p> 型號 ALH-0.66 60II 800/50.2SR5 </p> <p> 型號 ALH-0.66 40II 650/5ML </p> <p> 型號 ALH-0.66 80*50II 1500/1ML </p> <p> 型號 ALH-0.66 60*50II 500/1ML </p> <p> 型號 ALH-0.66 100*50II 3200/5M </p> <p> 型號 ALH-0.66 M8-II 100/5XGZZ </p> <p> 型號 ALH-0.66 40I 40/5 </p> <p> 型號 ALH-0.66 100II I800/5ML </p> <p> 型號 ALH-0.66 80II 1000/5ML </p> <p> 型號 ALH-0.66 M8-I 20/5ML </p> <p> 型號 ALH-0.66 60III 600/5ML </p> <p> 型號 ALH-0.66 50II 600/115VAML </p> <p> 型號 ALH-0.66 30I 160/5ML </p> <p> 型號 ALH-0.66 30I-I 10/1ML </p> <p> 型號 ALH-0.66 60II 1000/5ML </p> <p> 型號 ALH-0.66 80*50II 2500/0.5 </p> <p> 型號 ALH-0.66 60*50II 200/5ML </p> <p> 型號 ALH-0.66 M8-I 40/50.5R </p> <p> 型號 ALH-0.66 60II 500/1ML </p> <p> 型號 ALH-0.66 60I I 1500/5 0.5R 15VA ML </p> <p> 型號 ALH-0.66 40II 300/1 10VA ML 上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 130III電流互感器.上海優(yōu)惠特賣電流互感器產(chǎn)品介紹</p><p style="text-indent:25px">上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 D12電流互感器.上海直銷電流互感器好價格</p><p> 被測互感器與標準互感器的二次電流差一般采用互感器校驗儀進行量。直接從互感器校驗儀上讀出比值差fx(%)，相位差δx(’)。由于互感器校驗儀測的是被測互感器與標準互感器電流差與二次電流的比值，所以對互感器校驗儀的要求不高。要能校驗什么等級的互感器，基本由標準互感器決定。標準互感器是互感器校驗系統(tǒng)的關(guān)鍵**。對被測互感器進行校驗，除了標準互感器、互感器校驗儀還要有給互感器提供一次電流的升流器，可以調(diào)節(jié)升流器電流的調(diào)壓器，及負載。[10]注意事項電流互感器-使用注意事項電流互感器[11]運行時，副邊不允許開路。因為一旦開路，原邊電流均成為勵磁電流，使磁通和副邊電壓**超過正常值而危及人身和設(shè)備安全。因此，電流互感器副邊回路中不許接熔斷器，也不允許在運行時未經(jīng)旁路就拆下電流表、繼電器等設(shè)備。電流互感器運行時，副邊不允許開路。上海直銷電流互感器好價格</p><p style="text-indent:25px">上海喆和機電科技有限公司是一家從事機電科技領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)服務(wù)、技術(shù)轉(zhuǎn)讓,機電設(shè)備、五金交電、儀器儀表、電子產(chǎn)品、電子元器件、通訊設(shè)備(除衛(wèi)星電視廣播地面接收設(shè)施)、五金工具、橡塑制品、陶瓷制品、金屬材料、五金制品、包裝材料、建筑裝潢材料、化工原料及產(chǎn)品(除危險化學品、監(jiān)控化學品、民用物品、易制毒化學品)、管道及配件、閥門的批發(fā)、零售?！疽婪毥?jīng)批準的項目,經(jīng)相關(guān)部門批準后方可開展經(jīng)營活動】的公司，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。上海喆和機電科作為從事機電科技領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)服務(wù)、技術(shù)轉(zhuǎn)讓,機電設(shè)備、五金交電、儀器儀表、電子產(chǎn)品、電子元器件、通訊設(shè)備(除衛(wèi)星電視廣播地面接收設(shè)施)、五金工具、橡塑制品、陶瓷制品、金屬材料、五金制品、包裝材料、建筑裝潢材料、化工原料及產(chǎn)品(除危險化學品、監(jiān)控化學品、民用物品、易制毒化學品)、管道及配件、閥門的批發(fā)、零售?！疽婪毥?jīng)批準的項目,經(jīng)相關(guān)部門批準后方可開展經(jīng)營活動】的企業(yè)之一，為客戶提供良好的編程控制器，光電傳感器，變頻器，軟啟動器。上海喆和機電科繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實現(xiàn)轉(zhuǎn)型再突破。上海喆和機電科始終關(guān)注電工電氣市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2030092.html</p></div></div></div></div></div><div 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