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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>上海二工電流互感器ALH-0.66 130III,電流互感器</p><p><span>***更新：</span>2020-11-02 08:04:40</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="pdkh3su" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海喆和機(jī)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(jī): </span>021-53862782</p><p><span>地址: </span>上海市靜安區(qū)恒豐北路100號(hào)</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="ycuryah" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nmj7rq2" class="box"><p><p> 上海喆和銷售西門子電流互感器ALH-0.66系列 </p> <p> 測量用電流互感器的精度等級±1%，另外還有。保護(hù)用電流互感器的精度等級5P/10P，10P標(biāo)示復(fù)合誤差不超過10%。折疊保護(hù)用電流互感器保護(hù)用電流互感器主要與繼電裝置配合，在線路發(fā)生短路過載等故障時(shí)，向繼電裝置提供信號(hào)切斷故障電路，以保護(hù)供電系統(tǒng)的安全。保護(hù)用微型電流互感器的工作條件與測量用互感器完全不同，保護(hù)用互感器只是在比正常電流大幾倍幾十倍的電流時(shí)才開始有效的工作。保護(hù)用互感器主要要求：1.絕緣可靠，2.足夠大的準(zhǔn)確限值系數(shù)，3，上海二工電流互感器ALH-0.66 130III.足夠的熱穩(wěn)定性和動(dòng)穩(wěn)定性。保護(hù)用互感器在額定負(fù)荷下能夠滿足準(zhǔn)確級的要求比較大一次電流叫額定準(zhǔn)確限值一次電流。準(zhǔn)確限值系數(shù)就是額定準(zhǔn)確限值一次電流與額定一次電流比。當(dāng)一次電流足夠大時(shí)鐵芯就會(huì)飽和起不到反映一次電流的作用，準(zhǔn)確限值系數(shù)就是表示這種特性。保護(hù)用互感器準(zhǔn)確等級5P、10P，表示在額定準(zhǔn)確限值一次電流時(shí)的允許誤差5%、10%線路發(fā)生故障時(shí)的沖擊電流產(chǎn)生熱和電磁力，保護(hù)用電流互感器必須承受。二次繞組短路情況下，上海二工電流互感器ALH-0.66 130III，電流互感器在一秒內(nèi)能承受而無損傷的一次電流有效值，上海二工電流互感器ALH-0.66 130III，稱額定短時(shí)熱電流。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 50II-P電流互感器.上海二工電流互感器ALH-0.66 130III</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 130III,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167088041488527/6371670880414885276367966.png"></div><p> 使用原則：電流互感器的接線應(yīng)遵守串聯(lián)原則[8]：即一次繞阻應(yīng)與被測電路串聯(lián)，而二次繞阻則與所有儀表負(fù)載電流互感器串聯(lián)2）按被測電流大小，選擇合適的變比，否則誤差將增大。同時(shí)，二次側(cè)一端必須接地，以防絕緣一旦損壞時(shí)，一次側(cè)高壓竄入二次低壓側(cè)，造成人身和設(shè)備***3）二次側(cè)***不允許開路，因一旦開路，一次側(cè)電流I1全部成為磁化電流，引起φm和E2驟增，造成鐵心過度飽和磁化，發(fā)熱嚴(yán)重乃至燒毀線圈；同時(shí)，磁路過度飽和磁化后，使誤差增大。電流互感器在正常工作時(shí)，二次側(cè)與測量儀表和繼電器等電流線圈串聯(lián)使用，測量儀表和繼電器等電流線圈阻抗很小，二次側(cè)近似于短路。CT二次電流的大小由一次電流決定，二次電流產(chǎn)生的磁勢，是平衡一次電流的磁勢的。若突然使其開路，則勵(lì)磁電動(dòng)勢由數(shù)值很小的值驟變?yōu)楹艽蟮闹?，鐵芯中的磁通呈現(xiàn)嚴(yán)重飽和的平頂波，因此二次側(cè)繞組將在磁通過零時(shí)感應(yīng)出很高的尖頂波，其值可達(dá)到數(shù)千甚至上萬伏，危及工作人員的安全及儀表的絕緣性能。另外，二次側(cè)開路使二次側(cè)電壓達(dá)幾百伏，一旦觸及將造成觸電***。因此，電流互感器二次側(cè)都備有短路開關(guān)，防止二次側(cè)開路。在使用過程中，二次側(cè)一旦開路應(yīng)馬上撤掉電路負(fù)載，然后。上海上海二工電流互感器歡迎來電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.</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 130III,電流互感器" src="http://tyunfile.71360.com/WaterMark/UpLoadFile/shcmzdh/2020/2/637167087454347244/6371670874543472446544135.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(hào) ALH-0.66 30I-I 200/5ML </p> <p> 型號(hào) ALH-0.66 40II 200/1ML </p> <p> 型號(hào) ALH-0.66 30I-I 20/10.5RML </p> <p> 型號(hào) ALH-0.66 30I 160/5 </p> <p> 型號(hào) ALH-0.66 30I-I 80/1ML </p> <p> 型號(hào) ALH-0.66 50II 250/5ML </p> <p> 型號(hào) ALH-0.66 80II 1500/5ML </p> <p> 型號(hào) ALH-0.66 M8-I 5/1ML </p> <p> 型號(hào) ALH-0.66 40II 500/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 40/5ML </p> <p> 型號(hào) ALH-0.66 40I 200/5ZZ </p> <p> 型號(hào) ALH-0.66 40I 10/5 </p> <p> 型號(hào) ALH-0.66 170*100II 4000/5 </p> <p> 型號(hào) ALH-0.66 100II 2000/5ML </p> <p> 型號(hào) ALH-0.66 80*50II 400/5ML </p> <p> 型號(hào) ALH-0.66 60*50II 2000/1ML </p> <p> 型號(hào) ALH-0.66 80II 1200/1 </p> <p> 型號(hào) ALH-0.66 30I-I 100/110VAM </p> <p> 型號(hào) ALH-0.66 30I-I 30/5H </p> <p> 型號(hào) ALH-0.66 60II 300/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 50/50.5R </p> <p> 型號(hào) ALH-0.66 100II 1000/1ML </p> <p> 型號(hào) ALH-0.66 40I 300/110VAML </p> <p> 型號(hào) ALH-0.66 60II 2000/1 </p> <p> 型號(hào) ALH-0.66 30I-I 50/5ML </p> <p> 型號(hào) ALH-0.66 40I 75/5 0.5R 2.5VA 2T </p> <p> 型號(hào) ALH-0.66 30I-I 30/11RML </p> <p> 型號(hào) ALH-0.66 D12 75/5XGZZ </p> <p> 型號(hào) ALH-0.66 30I-I 15/50.5RML </p> <p> 型號(hào) ALH-0.66 M8-II 5/50.5R </p> <p> 型號(hào) ALH-0.66 30I 50/5ML </p> <p> 型號(hào) ALH-0.66 80*50II 1600/2.5ML </p> <p> 型號(hào) ALH-0.66 80*50II 2000/5ML </p> <p> 型號(hào) ALH-0.66 30I 125/5ML </p> <p> 型號(hào) ALH-0.66 60I 750/5ML </p> <p> 型號(hào) ALH-0.66 50II 500/5ML </p> <p> 型號(hào) ALH-0.66 M8-I 30/5ML </p> <p> 型號(hào) ALH-0.66 40II 600/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 75/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 75/5H </p><p> 電流互感器ε%誤差曲線校驗(yàn)步驟：⑴按照保護(hù)裝置類型計(jì)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(hào)、變比和一次電流倍數(shù)，在10%誤差曲線上確定電流互感器的允許二次負(fù)荷⑶按照對電流互感器二次負(fù)荷**嚴(yán)重的短路類型，計(jì)算電流互感器的實(shí)際二次負(fù)荷⑷比較實(shí)際二次負(fù)荷與允許二次負(fù)荷。如實(shí)際二次負(fù)荷小于允許二次負(fù)荷，表示電流互感器的誤差不超過10%誤差：1）增大連接導(dǎo)線截面或縮短連接導(dǎo)線長度，以減小實(shí)際二次負(fù)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(fù)荷3）將電流互感器的二次繞組串聯(lián)起來，使允許二次負(fù)荷增大一倍。動(dòng)、熱穩(wěn)定度需校驗(yàn)電流互感器的動(dòng)穩(wěn)定度和熱穩(wěn)定度[9]，廠家的產(chǎn)品技術(shù)參數(shù)中都給出了動(dòng)穩(wěn)定倍數(shù)Kes和熱穩(wěn)定倍數(shù)Kt，因此按下列公式分別校驗(yàn)動(dòng)穩(wěn)定和熱定度即可。1）動(dòng)穩(wěn)定度校驗(yàn)Kes×I1N≥2）熱穩(wěn)定度校驗(yàn)（KtI1n)2t≥I⑶∞tima式中，t為熱穩(wěn)定電流時(shí)間。額定容量電流互感器二次額定容量要大于實(shí)際二次負(fù)載，實(shí)際二次負(fù)載應(yīng)為25～**二次額定容量。容量決定二次側(cè)負(fù)載阻抗，負(fù)載阻抗又影響測量或控制精度。負(fù)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(dǎo)線電阻的影響。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 170*100II-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 130III,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087581865934/6371670875818659347638789.jpg"></div><p> 西門子APT電流互感器上海喆和供，電流互感器原理是依據(jù)電磁感應(yīng)原理的。電流互感器是由閉合的鐵心和繞組組成。它的一次側(cè)繞組匝數(shù)很少，串在需要測量的電流的線路中，因此它經(jīng)常有線路的全部電流流過，二次側(cè)繞組匝數(shù)比較多，串接在測量儀表和保護(hù)回路中，電流互感器在工作時(shí)，它的二次側(cè)回路始終是閉合的，因此測量儀表和保護(hù)回路串聯(lián)線圈的阻抗很小，電流互感器的工作狀態(tài)接近短路。電流互感器是把一次側(cè)大電流轉(zhuǎn)換成二次側(cè)小電流來使用，二次側(cè)不可開路。 </p> <p> 西門子APT電流互感器上海喆和供電流互感器是由閉合的鐵心和繞組組成。它的一次繞組匝數(shù)很少，串在需要測量的電流的線路中，因此它經(jīng)常有線路的全部電流流過，二次繞組匝數(shù)比較多，串接在測量儀表和保護(hù)回路中，電流互感器在工作時(shí)，它的2次回路始終是閉合的，因此測量儀表和保護(hù)回路串聯(lián)線圈的阻抗很小，電流互感器的工作狀態(tài)接近短路。 </p> <p> 西門子APT電流互感器上海喆和供電流互感器的作用是可以把數(shù)值較大的一次電流通過一定的變比轉(zhuǎn)換為數(shù)值較小的二次電流，用來進(jìn)行保護(hù)、測量等用途。如變比為400/5的電流互感器，可以把實(shí)際為400A的電流轉(zhuǎn)變?yōu)?A的電流。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 170*100II電流互感器.上海上海二工電流互感器歡迎來電</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 80III電流互感器.上海二工電流互感器ALH-0.66 130III</p><p> 上海喆和定制銷售西門子APT原廠電流互感器，交貨快，款式種類多，個(gè)性化定制等。 </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 250/110VA ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 30/50.5R2.5A 4T </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 15/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 D12 400/5XGZZ </p> <p> 型號(hào) </p> <p> ALH-0.66 30I 400/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 80III 1200/5EP </p> <p> 型號(hào) </p> <p> ALH-0.66 60II 1250/5 </p> <p> 型號(hào) </p> <p> ALH-0.66 30I 100/50.2RML </p> <p> 型號(hào) </p> <p> ALH-0.66 40I 5/5 </p> <p> 型號(hào) </p> <p> ALH-0.66 100II 1600/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 60I 1200/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 60I 600/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 60*50II 300/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 100*50II 2000/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 50II 200/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I 50/50.5R2.5VA 2T </p> <p> 型號(hào) </p> <p> ALH-0.66 80II 1200/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 40/11R2.5VA ML </p> <p> 型號(hào) </p> <p> ALH-0.66 M8-I 25/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 20/11R0.4VA </p> <p> <br /> </p> <p> 型號(hào) </p> <p> ALH-0.66 40II 100/15VAML </p> <p> 型號(hào) </p> <p> ALH-0.66 100*50II 2500/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 100II 2500/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 60III 600/50.2RML </p> <p> 型號(hào) </p> <p> ALH-0.66 50II 300/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 80*50II 2500/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 60II 1200/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 40II 600/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 75/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 150/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 M8-I 50/50.5R </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 100/1H </p> <p> 型號(hào) </p> <p> ALH-0.66 60*50II 1500/2.5M </p> <p> 型號(hào) </p> <p> ALH-0.66 50II 800/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 40I 50/5ZZ </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 60/51T </p> <p> <br /> </p> <p> 型號(hào) </p> <p> ALH-0.66 40I 100/50.5R </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 上海二工電流互感器ALH-0.66 130III</p><p style="text-indent:25px">上海喆和機(jī)電科技有限公司致力于電工電氣，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。上海喆和機(jī)電科作為從事機(jī)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(jī)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(xiǎn)化學(xué)品、監(jiān)控化學(xué)品、民用物品、易制毒化學(xué)品)、管道及配件、閥門的批發(fā)、零售。【依法須經(jīng)批準(zhǔn)的項(xiàng)目,經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動(dòng)】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(dòng)器。上海喆和機(jī)電科繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。上海喆和機(jī)電科始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使上海喆和機(jī)電科在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1811905.html</p></div></div></div></div></div><div id="qzzby2x" class="page-right twoColRt"><div id="3lszqxb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="oyaxzbi" class="recomPic 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