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clearfix tcPro"><section class="home-main container clearfix"><div id="rjc4bhy" class="twoCol"><div id="vxgwibn" 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</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>?上海上海二工電流互感器源頭好貨歡迎咨詢上海喆和機電科技供應</p><div id="szabx8j" class="leftbox clearfix"><h1>上海上海二工電流互感器源頭好貨歡迎咨詢上海喆和機電科技供應</h1><div id="ky2z7jr" class="proBig"><div id="mjarck3" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087973056246/6371670879730562466968566.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="iz78vrb" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087973056246/6371670879730562466968566.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ylc83tn" 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)品關鍵詞：</span>上海上海二工電流互感器源頭好貨,電流互感器</p><p><span>***更新：</span>2020-12-22 12:02:47</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="fsyf82h" 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="rj37cyz" class="page-proshow02"><p class="title">詳細說明</p><div id="7ltwami" 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(shù)⑵根據(jù)電流互感器的型號、變比和一次電流倍數(shù)，上海上海二工電流互感器源頭好貨，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(shù)，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(chǎn)品技術參數(shù)中都給出了動穩(wěn)定倍數(shù)Kes和熱穩(wěn)定倍數(shù)Kt，上海上海二工電流互感器源頭好貨，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，上海上海二工電流互感器源頭好貨，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，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、電抗及接線接觸電阻、二次連接導線電阻的影響。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 50III電流互感器.上海上海二工電流互感器源頭好貨</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海上海二工電流互感器源頭好貨,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087973056246/6371670879730562466968566.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 30I 600/5ML </p> <p> 型號 ALH-0.66 60*50II 500/5ML </p> <p> 型號 ALH-0.66 100*50II 4000/5ML </p> <p> 型號 ALH-0.66 30I 15/5 0.5R 2.5VA 8T </p> <p> 型號 ALH-0.66 40I 150/1ML </p> <p> 型號 ALH-0.66 30I 200/1ML </p> <p> 型號 ALH-0.66 M8-I 10/50.5R </p> <p> 型號 ALH-0.66 30I-I 10/5ML </p> <p> 型號 ALH-0.66 60*50II 250/5ML </p> <p> 型號 ALH-0.66 100II 1500/0.06 </p> <p> 型號 ALH-0.66 M8-I 75/5ML </p> <p> 型號 ALH-0.66 40II 500/1ML </p> <p> 型號 ALH-0.66 40II 250/110VAML </p> <p> 型號 ALH-0.66 30I-I 5/10.5RML </p> <p> 型號 ALH-0.66 60II 400/1ML </p> <p> 型號 ALH-0.66 60II 200/1ML </p> <p> 型號 ALH-0.66 60*50II 1200/5ML </p> <p> 型號 ALH-0.66 30I-I 15/5H </p> <p> 型號 ALH-0.66 40I 20/5ZZ </p> <p> 型號 ALH-0.66 120*50II 4000/5M </p> <p> 型號 ALH-0.66 80II 150/5 </p> <p> 型號 ALH-0.66 M8-II 30/50.5R </p> <p> 型號 ALH-0.66 30I-I 15/11R0.4VA ML </p> <p> 型號 ALH-0.66 30I 100/50.5RML </p> <p> 型號 ALH-0.66 30I 400/1ML </p> <p> 型號 ALH-0.66 D12 200/5XGZZ </p> <p> 型號 ALH-0.66 40I 400/5ZZ </p> <p> 型號 ALH-0.66 30I-I 250/1H </p> <p> 型號 ALH-0.66 100*50II 1000/1ML </p> <p> 型號 ALH-0.66 130III 4000/5XG </p> <p> 型號 ALH-0.66 50II 1500/1ML </p> <p> 型號 ALH-0.66 40I 100/1ML </p> <p> 型號 ALH-0.66 80II 400/5ML </p> <p> 型號 ALH-0.66 60I 500/5ML </p> <p> 型號 ALH-0.66 100*50II 800/1ML </p> <p> 型號 ALH-0.66 40I 1000/1MR </p> <p> 型號 ALH-0.66 80*50II 1200/1ML </p> <p> 型號 ALH-0.66 30I 100/50.5R </p> <p> 型號 ALH-0.66 40II 1500/5 上海實力特賣電流互感器源頭直供上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 200II電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海上海二工電流互感器源頭好貨,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087534940225/6371670875349402255061651.png"></div><p> 電流互感器二次開路電壓特性 </p> <p> 對每一種電流互感器，二次開路電壓隨著一次電流的變化，都有嚴格的對應關系，*以一次額定電流時的二次開路電壓值說明。對母線穿心式150／5的電流互感器，當穿心電流為額定值時，不同品種的電流互感器二次開路電壓為2．6～2；4V。80條二次開路電壓特性曲線的規(guī)律是：一次穿心電流從0A增至150A時，二次開路電壓開始上升幅度很大，30A以后增加甚小(即使從150A增至800A，二次開路電壓平均只上升0．2V)。 </p> <p> 母線穿心式200/5的電流互感器，二次開路電壓是3．9～6．5V；母線穿心式 300／5—2000／5的電流互感器，二次開路電壓為6．5～37．2V。 </p> <p> LQG系列從30／5—600／5的電流互感器，二次開路電壓是12．8～21．4V。 </p> <p> 變電站用的LQJ，LFC，LFCD系列50／5～300／5的電流互感器，二次開路電壓是18～121．3V。 </p> <p> 在第二次伏安特實驗臺上，利用調壓器、電流表、導線將所有的電流互感器二次線圈分別接人調壓器的輸出端，當二次輸入5A電流時，測得二次電壓和一次加額定電流時測得的二次開路電壓都有嚴格的對應關系。若用公式計算，二次開路電壓等于二次閉路轉為開路一次電壓的增量乘以變化。從正反兩方面實驗和法拉第電磁感應定律推導結論證明了二次開路電壓測試值的真實性 </p><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(shù)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(shù)：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(shù)表示。熱穩(wěn)定倍數(shù)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(shù)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(wǎng)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(wǎng)故障狀態(tài)下。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 D8-II電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海上海二工電流互感器源頭好貨,電流互感器" src="http://tyunfile.71360.com/WaterMark/UpLoadFile/shcmzdh/2020/2/637167636036010136/6371676360360101362181842.png"></div><p> 兩者的使用發(fā)展方向由于電磁式電流互感器存在的易飽和、非線性及頻帶窄等問題，電子式電流互感器逐漸興起。電子式電流互感器一般具有抗磁飽和、低功耗、寬頻帶等優(yōu)點。國內具有代表性的電子式互感器有AnyWay變頻電壓傳感器、AnyWay變頻電流傳感器和變頻功率傳感器，其中，AnyWay變頻功率傳感器屬于電壓、電流組合式互感器。該互感器的主要特點如下1、采用前端數(shù)字化技術，光纖傳輸，電磁兼容性好。2、幅頻特性和相頻特性好，在寬幅值、頻率、相位范圍內均可獲得較高的測量精度。3、屬于數(shù)字式傳感器，二次儀表不會引入誤差，傳感器誤差就是系統(tǒng)誤差。 </p> <p> 額定電壓電流互感器額定電壓應大于裝設點線路額定電壓 [7] 。變比應根據(jù)一次負荷計算電流IC選擇電流互感器變比。電流互感器一次側額定電流標準比（如20、30、40、50、75、100、150、2×a/C）等多種規(guī)格，二次側額定電流通常為1A或5A。其中2×a/C表示同一臺產(chǎn)品有兩種電流比，通過改變產(chǎn)品的連接片接線方式實現(xiàn)，當串聯(lián)時，電流比為a/c，并聯(lián)時電流比為2×a/C。一般情況下，計量用電流互感器變流比的選擇應使其一次額定電流I1n不小于線路中的負荷電流（即計算IC）。如線路中負荷計算電流為350A，則電流互感器的變流比應選擇400/5 上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 100III-P電流互感器.上海二工電流互感器全國發(fā)貨</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 D15-II電流互感器.上海上海二工電流互感器源頭好貨</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 上海上海二工電流互感器源頭好貨</p><p style="text-indent:25px">上海喆和機電科技有限公司是一家有著雄厚實力背景、信譽可靠、勵精圖治、展望未來、有夢想有目標，有組織有體系的公司，堅持于帶領員工在未來的道路上大放光明，攜手共畫藍圖，在上海市市轄區(qū)等地區(qū)的電工電氣行業(yè)中積累了大批忠誠的客戶粉絲源，也收獲了良好的用戶口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎，也希望未來公司能成為*****，努力為行業(yè)領域的發(fā)展奉獻出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強不息，斗志昂揚的的企業(yè)精神將** 上海喆和機電科和您一起攜手步入輝煌，共創(chuàng)佳績，一直以來，公司貫徹執(zhí)行科學管理、創(chuàng)新發(fā)展、誠實守信的方針，員工精誠努力，協(xié)同奮取，以品質、服務來贏得市場，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2514532.html</p></div></div></div></div></div><div id="f8t7ye8" class="page-right twoColRt"><div id="llryzgc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="oc3uwws" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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