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href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="u7ifhov" class="twoCol"><div id="8bly7z2" 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/">產品供應</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>?上海二工電流互感器ALH-0.66 100-85II 歡迎來電上海喆和機電科技供應</p><div id="k9xjxeg" class="leftbox clearfix"><h1>上海二工電流互感器ALH-0.66 100-85II 歡迎來電上海喆和機電科技供應</h1><div id="pbnu3qk" class="proBig"><div id="877aw3d" 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="oawirie" 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="a7fmofw" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>上海二工電流互感器ALH-0.66 100-85II,電流互感器</p><p><span>***更新：</span>2020-09-09 13:01:37</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="uqs33wd" 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="3eardpg" class="page-proshow02"><p class="title">詳細說明</p><div id="wlnpgxu" class="box"><p><p> 電流互感器ε%誤差曲線校驗步驟：⑴按照保護裝置類型計算流過電流互感器的一次電流倍數⑵根據電流互感器的型號、變比和一次電流倍數，在10%誤差曲線上確定電流互感器的允許二次負荷⑶按照對電流互感器二次負荷**嚴重的短路類型，計算電流互感器的實際二次負荷⑷比較實際二次負荷與允許二次負荷。如實際二次負荷小于允許二次負荷，表示電流互感器的誤差不超過10%誤差：1）增大連接導線截面或縮短連接導線長度，以減小實際二次負荷2）選擇比較大的電流互感器，減小一次電流倍數，增大允許二次負荷3）將電流互感器的二次繞組串聯(lián)起來，使允許二次負荷增大一倍。動、熱穩(wěn)定度需校驗電流互感器的動穩(wěn)定度和熱穩(wěn)定度[9]，廠家的產品技術參數中都給出了動穩(wěn)定倍數Kes和熱穩(wěn)定倍數Kt，因此按下列公式分別校驗動穩(wěn)定和熱定度即可。1）動穩(wěn)定度校驗Kes×I1N≥2）熱穩(wěn)定度校驗（KtI1n)2t≥I⑶∞tima式中，t為熱穩(wěn)定電流時間。額定容量電流互感器二次額定容量要大于實際二次負載，實際二次負載應為25～**二次額定容量。容量決定二次側負載阻抗，上海二工電流互感器ALH-0.66 100-85II，負載阻抗又影響測量或控制精度。負載阻抗主要受測量儀表和繼電器線圈電阻，上海二工電流互感器ALH-0.66 100-85II、電抗及接線接觸電阻、二次連接導線電阻的影響，上海二工電流互感器ALH-0.66 100-85II。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 125*60II-P電流互感器.上海二工電流互感器ALH-0.66 100-85II</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海二工電流互感器ALH-0.66 100-85II,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087534940225/6371670875349402255061651.png"></div><p> 上海喆和定制銷售西門子電流互感器互感器的誤差包括比差和角差兩部分。比值誤差簡稱比差，一般用符號f表示，它等于實際的二次電流與折算到二次側的一次電流的差值，與折算到二次側的一次電流的比值，以百分數表示。角差：相角誤差簡稱角差，一般用符號δ表示，它是旋轉180°后的二次電流向量與一次電流向量之間的相位差。規(guī)定二次電流向量超前于一次電流向量δ為正值，反之為負值，用分（’）為計算單位。熱穩(wěn)定及動穩(wěn)定倍數：電力系統(tǒng)故障時，電流互感器受到由于短路電流引起的巨大電流的熱效應和電動力作用，電流互感器應該有能夠承受而不致受到破壞的能力，這種承受的能力用熱穩(wěn)定和動穩(wěn)定倍數表示。熱穩(wěn)定倍數是指熱穩(wěn)定電流1s內不致使電流互感器的發(fā)熱超過允許限度的電流與電流互感器的額定電流之比。動穩(wěn)定倍數是電流互感器所能承受的額定電流瞬時值與其額定電流之比。類型區(qū)分編輯按用途分類按照用途不同，電流互感器大致可分為兩類[4]：測量用電流互感器（或電流互感器的測量繞組）：在正常工作電流范圍內，向測量、計量等裝置提供電網的電流信息。保護用電流互感器（或電流互感器的保護繞組）：在電網故障狀態(tài)下。上海二工電流互感器廠家供應上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 100*60II-P電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海二工電流互感器ALH-0.66 100-85II,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087973056246/6371670879730562466968566.png"></div><p style="text-indent:25px"> 蘇州西門子電器有限公司，簡稱“西門子APT”電流互感器Φ，補償方法先進，工藝技術精湛，性能安全可靠，外形小巧美觀，種類齊全，一般作控制、保護、測量用途。Φ型電流互感器適用于小電流小空間的場所，特別適用于抽屜柜?？刹捎脤к壷苯影惭b(或可采用本廠配置的底柜安裝)，也可采用母線直徑安裝。一次側采用直接穿芯的方法，不需要斷開導線，穿芯孔徑可分為Φ8mm、Φ12mm、Φ15mm和Φ22mm四種。內部鐵芯選用質量硅鋼片；符合；通過國家計量認證；額定工作電壓(Un)：AC660V二次電流分為5A和1A；額定頻率：50～60Hz額定連續(xù)熱電流(Icth)：xIpn額定短時熱電流（Ith）：60xIpn（1sec.）工頻耐壓：3kV（1min,50Hz;外殼與二次端子間）絕緣等級：E接線端子的型式：螺釘壓片緊固式(螺紋為M4)操作力矩：擰緊力矩～,額定承受力矩防護等級：端子IP00，外殼IP40。</p><p> 電氣調試是電力工作中一項重要的內容，在電氣調試工作中，二次回路檢查又是一項重要的調試內容，它是關系到電力系統(tǒng)的測量、保護、通訊等功能能否發(fā)揮作用的前提。在二次回路中，電流互感器的接線是否正確又是電流二次回路是否正確的基礎，所以電流互感器的接線正確性非常重要。很多電氣調試人員對它沒有深刻的理解，經常搞錯，造成諸如差動保護誤動作、電度表反轉等。下面對這個問題做一個***、細致的論述。電氣調試是電力工作中一項重要的內容，在電氣調試工作中，二次回路檢查又是一項重要的調試內容，它是關系到電力系統(tǒng)的測量、保護、通訊等功能能否發(fā)揮作用的前提。在二次回路中，電流互感器的接線是否正確又是電流二次回路是否正確的基礎，所以電流互感器的接線正確性非常重要。很多電氣調試人員對它沒有深刻的理解，經常搞錯，造成諸如差動保護誤動作、電度表反轉等。下面對這個問題做一個***、細致的論述。電流互感器的結構較為簡單，由相互絕緣的一次繞組、二次繞組、鐵心以及構架、殼體、接線端子等組成。其工作原理與變壓器基本相同，一次繞組的匝數(N1)較少，直接串聯(lián)于電源線路中，一次負荷電流。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 130*50II電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海二工電流互感器ALH-0.66 100-85II,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087883095803/6371670878830958036124787.png"></div><p> 由于一次繞組與二次繞組有相等的安培匝數，I1N1=I2N2，電流互感器額定電流比：。電流互感器實際運行中負荷阻抗很小，二次繞組接近于短路狀態(tài)，相當于一個短路運行的變壓器。2、電流互感器的接線原則(1)電流互感器二次側不允許開路。二次開路可能產生嚴重后果，一是鐵芯過熱，甚至燒毀互感器;二是由于二次繞組匝數很多，會感應出危險的高電壓，危及人身和設備的安全。(2)高壓電流互感器的二次側必須有一點接地。由于高壓電流互感器的一次側為高壓，當一、二次線圈之間因絕緣損壞出線高壓擊穿時，將導致高壓進入低壓，如果二次線圈一點接地，則將高壓引入了大地，可確保人身及設備的安全。但應當注意，電流互感器的二次回路只允許一點接地，而不允許再有接地，否則有可能引起分流，影響使用。低壓電流互感器的二次線圈不應該接地。由于低壓互感器的電壓較低，一、二次線圈間的絕緣欲度大，發(fā)生一、二次線圈擊穿的可能性小，另外，二次線圈的不接地將使二次回路及儀表的絕緣能力提高，還可使雷擊燒毀儀表***減少。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 M8-I電流互感器.上海二工電流互感器ALH-0.66 100-85II</p><p style="text-indent:25px">上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 120*50II電流互感器.上海二工電流互感器ALH-0.66 100-85II</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 30I-I 200/5ML </p> <p> 型號 ALH-0.66 40II 200/1ML </p> <p> 型號 ALH-0.66 30I-I 20/10.5RML </p> <p> 型號 ALH-0.66 30I 160/5 </p> <p> 型號 ALH-0.66 30I-I 80/1ML </p> <p> 型號 ALH-0.66 50II 250/5ML </p> <p> 型號 ALH-0.66 80II 1500/5ML </p> <p> 型號 ALH-0.66 M8-I 5/1ML </p> <p> 型號 ALH-0.66 40II 500/5ML </p> <p> 型號 ALH-0.66 30I-I 40/5ML </p> <p> 型號 ALH-0.66 40I 200/5ZZ </p> <p> 型號 ALH-0.66 40I 10/5 </p> <p> 型號 ALH-0.66 170*100II 4000/5 </p> <p> 型號 ALH-0.66 100II 2000/5ML </p> <p> 型號 ALH-0.66 80*50II 400/5ML </p> <p> 型號 ALH-0.66 60*50II 2000/1ML </p> <p> 型號 ALH-0.66 80II 1200/1 </p> <p> 型號 ALH-0.66 30I-I 100/110VAM </p> <p> 型號 ALH-0.66 30I-I 30/5H </p> <p> 型號 ALH-0.66 60II 300/5ML </p> <p> 型號 ALH-0.66 30I-I 50/50.5R </p> <p> 型號 ALH-0.66 100II 1000/1ML </p> <p> 型號 ALH-0.66 40I 300/110VAML </p> <p> 型號 ALH-0.66 60II 2000/1 </p> <p> 型號 ALH-0.66 30I-I 50/5ML </p> <p> 型號 ALH-0.66 40I 75/5 0.5R 2.5VA 2T </p> <p> 型號 ALH-0.66 30I-I 30/11RML </p> <p> 型號 ALH-0.66 D12 75/5XGZZ </p> <p> 型號 ALH-0.66 30I-I 15/50.5RML </p> <p> 型號 ALH-0.66 M8-II 5/50.5R </p> <p> 型號 ALH-0.66 30I 50/5ML </p> <p> 型號 ALH-0.66 80*50II 1600/2.5ML </p> <p> 型號 ALH-0.66 80*50II 2000/5ML </p> <p> 型號 ALH-0.66 30I 125/5ML </p> <p> 型號 ALH-0.66 60I 750/5ML </p> <p> 型號 ALH-0.66 50II 500/5ML </p> <p> 型號 ALH-0.66 M8-I 30/5ML </p> <p> 型號 ALH-0.66 40II 600/5ML </p> <p> 型號 ALH-0.66 30I-I 75/5ML </p> <p> 型號 ALH-0.66 30I-I 75/5H 上海二工電流互感器ALH-0.66 100-85II</p><p style="text-indent:25px">上海喆和機電科技有限公司位于上海市靜安區(qū)恒豐北路100號。公司業(yè)務分為編程控制器，光電傳感器，變頻器，軟啟動器等，目前不斷進行創(chuàng)新和服務改進，為客戶提供良好的產品和服務。公司秉持誠信為本的經營理念，在電工電氣深耕多年，以技術為先導，以自主產品為重點，發(fā)揮人才優(yōu)勢，打造電工電氣良好品牌。上海喆和機電科秉承“客戶為尊、服務為榮、創(chuàng)意為先、技術為實”的經營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1218369.html</p></div></div></div></div></div><div id="rgdfmya" class="page-right twoColRt"><div id="scew8ta" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2hof88r" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="z3ubta3" class="recomPic likePro"><a 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