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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便宜,電流互感器</p><p><span>***更新：</span>2020-11-08 14:05:05</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="1b7udeq" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="jr7gctv" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="qwnklmo" class="box"><p><p> 西門(mén)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(cè)量的電流的線(xiàn)路中，因此它經(jīng)常有線(xiàn)路的全部電流流過(guò)，二次側(cè)繞組匝數(shù)比較多，串接在測(cè)量?jī)x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，上海二工電流互感器便宜，上海二工電流互感器便宜，因此測(cè)量?jī)x表和保護(hù)回路串聯(lián)線(xiàn)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(lái)使用，二次側(cè)不可開(kāi)路。 </p> <p> 西門(mén)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(cè)量的電流的線(xiàn)路中，因此它經(jīng)常有線(xiàn)路的全部電流流過(guò)，二次繞組匝數(shù)比較多，串接在測(cè)量?jī)x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(cè)量?jī)x表和保護(hù)回路串聯(lián)線(xiàn)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(mén)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(guò)一定的變比轉(zhuǎn)換為數(shù)值較小的二次電流，用來(lái)進(jìn)行保護(hù)、測(cè)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，上海二工電流互感器便宜。上海喆和定制銷(xiāo)售西門(mén)子APT（原上海二工）ALH-0.66 220*50II電流互感器.上海二工電流互感器便宜</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便宜,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087534940225/6371670875349402255061651.png"></div><p> 上海喆和銷(xiāo)售西門(mén)子APT原廠(chǎng)ALH-0.66電流互感器 </p> <p> 型號(hào) ALH-0.66 80II 600/1 </p> <p> 型號(hào) ALH-0.66 80II 600/5ML </p> <p> 型號(hào) ALH-0.66 100II 800/1ML </p> <p> 型號(hào) ALH-0.66 30I-I 15/55VA8TM </p> <p> 型號(hào) ALH-0.66 30I 50/1ML </p> <p> 型號(hào) ALH-0.66 100*50II 1600/1M </p> <p> 型號(hào) ALH-0.66 3CT150/5 </p> <p> 型號(hào) ALH-0.66 60I 700/5ML </p> <p> 型號(hào) ALH-0.66 40II 700/5 </p> <p> 型號(hào) ALH-0.66 30I 300/1ML </p> <p> 型號(hào) ALH-0.66 40I 100/5ML </p> <p> 型號(hào) ALH-0.66 40II 600/115VAML </p> <p> 型號(hào) ALH-0.66 30I-I 20/1 0.5R 5VA 10T ML </p> <p> 型號(hào) ALH-0.66 40I 500/1ML </p> <p> 型號(hào) ALH-0.66 50II 400/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 75/1 ML1R 2.5VA ML </p> <p> 型號(hào) ALH-0.66 M8-I 60/5ML </p> <p> 型號(hào) ALH-0.66 100I 600/5 0.2SR 5VA 1T </p> <p> 型號(hào) ALH-0.66 60*50II 1500/5ML </p> <p> 型號(hào) ALH-0.66 40II 400/5ML </p> <p> 型號(hào) ALH-0.66 40II 250/1ML </p> <p> 型號(hào) ALH-0.66 60II 350/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 50/5H </p> <p> 型號(hào) ALH-0.66 30I-I 100/5ML </p> <p> 型號(hào) ALH-0.66 60*50II 1200/1ML </p> <p> 型號(hào) ALH-0.66 30I-I 5/10.2VAML </p> <p> 型號(hào) ALH-0.66 80*50II 1250/2.5ML </p> <p> 型號(hào) ALH-0.66 80*50II 500/5ML </p> <p> 型號(hào) ALH-0.66 80II 800/1ML </p> <p> 型號(hào) ALH-0.66 30I-I 15/1 2.5VA 8T ML </p> <p> 型號(hào) ALH-0.66 M8-II 75/50.5R </p> <p> 型號(hào) ALH-0.66 30I 40/1ML </p> <p> 型號(hào) ALH-0.66 M8-I 100/5ML </p> <p> 型號(hào) ALH-0.66 40II 700/50.2RML </p> <p> 型號(hào) ALH-0.66 M8-II 50/5XGZZ </p> <p> 型號(hào) ALH-0.66 50II 1000/5ML </p> <p> 型號(hào) ALH-0.66 30I 250/1ML </p> <p> 型號(hào) ALH-0.66 40II 10/5 </p> <p> 型號(hào) ALH-0.66 30I-I 25/1ML 上海二工電流互感器便宜上海喆和定制銷(xiāo)售西門(mén)子APT（原上海二工）ALH-0.66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便宜,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087926902204/6371670879269022048294637.png"></div><p> 上海喆和銷(xiāo)售西門(mén)子APT原廠(chǎng)ALH-0.66電流互感器 </p> <p> 型號(hào) ALH-0.66 60I 500/5 0.2SR 5VA 1T </p> <p> 型號(hào) ALH-0.66 80II 1000/1ML </p> <p> 型號(hào) ALH-0.66 30I-I 250/5H </p> <p> 型號(hào) ALH-0.66 40II 500/2.5ML </p> <p> 型號(hào) ALH-0.66 80*50II 2500/2.5ML </p> <p> 型號(hào) ALH-0.66 30I-I 60/5ML </p> <p> 型號(hào) ALH-0.66 M8-I 50/5ML </p> <p> 型號(hào) ALH-0.66 60II 800/1ML </p> <p> 型號(hào) ALH-0.66 60*50II 2000/2.5 ML </p> <p> 型號(hào) ALH-0.66 100II 2000/1ML </p> <p> 型號(hào) ALH-0.66 M8-I 30/5 0.5R 2.5VA </p> <p> 型號(hào) ALH-0.66 80II 3000/1 </p> <p> 型號(hào) ALH-0.66 60*50II 1500/1ML </p> <p> 型號(hào) ALH-0.66 50II 700/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 15/1 1R 1VA ML </p> <p> 型號(hào) ALH-0.66 D22 300/5ML </p> <p> 型號(hào) ALH-0.66 D12 100/5XGZZ </p> <p> 型號(hào) ALH-0.66 40I 50/50.5R </p> <p> 型號(hào) ALH-0.66 40I 250/5ZZ </p> <p> 型號(hào) ALH-0.66 30I-I 40/5 0.5R 2.5A 3T </p> <p> 型號(hào) ALH-0.66 30I 125/1ML </p> <p> 型號(hào) ALH-0.66 M8-I 10/5 1R 2.5VA ML </p> <p> 型號(hào) ALH-0.66 40II 200/5 0.2R 2.5VA 1T </p> <p> 型號(hào) ALH-0.66 30I-I 30/1 5VA 5T ML </p> <p> 型號(hào) ALH-0.66 80*50II 1600/5ML </p> <p> 型號(hào) ALH-0.66 60*50II 350/5ML </p> <p> 型號(hào) ALH-0.66 40I 350/1ML </p> <p> 型號(hào) ALH-0.66 30I-I 25/1 5VA 6T ML </p> <p> 型號(hào) ALH-0.66 M8-II 40/5EPZZ </p> <p> 型號(hào) ALH-0.66 40II 750/1ML </p> <p> 型號(hào) ALH-0.66 30I 250/2.5ML </p> <p> 型號(hào) ALH-0.66 30I 120/5ML </p> <p> 型號(hào) ALH-0.66 60II 750/1ML </p> <p> 型號(hào) ALH-0.66 M8-I 5/50.5R </p> <p> 型號(hào) ALH-0.66 80*50II 2000/1ML </p> <p> 型號(hào) ALH-0.66 30I 200/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 10/5 0.5R ML </p> <p> <br /> </p><p> 使用原則：電流互感器的接線(xiàn)應(yīng)遵守串聯(lián)原則[8]：即一次繞阻應(yīng)與被測(cè)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(cè)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(kāi)路，因一旦開(kāi)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(guò)度飽和磁化，發(fā)熱嚴(yán)重乃至燒毀線(xiàn)圈；同時(shí)，磁路過(guò)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(cè)量?jī)x表和繼電器等電流線(xiàn)圈串聯(lián)使用，測(cè)量?jī)x表和繼電器等電流線(xiàn)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(shì)，是平衡一次電流的磁勢(shì)的。若突然使其開(kāi)路，則勵(lì)磁電動(dòng)勢(shì)由數(shù)值很小的值驟變?yōu)楹艽蟮闹担F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(guò)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(wàn)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(kāi)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(kāi)關(guān)，防止二次側(cè)開(kāi)路。在使用過(guò)程中，二次側(cè)一旦開(kāi)路應(yīng)馬上撤掉電路負(fù)載，然后。上海喆和定制銷(xiāo)售西門(mén)子APT（原上海二工）ALH-0.66 M8-I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便宜,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167636099732514/6371676360997325149233996.png"></div><p> 上海喆和銷(xiāo)售西門(mén)子APT原廠(chǎng)ALH-0.66電流互感器 </p> <p> 型號(hào) ALH-0.66 60I 500/1 0.2R 5V </p> <p> 型號(hào) ALH-0.66 D22 20/5 </p> <p> 型號(hào) ALH-0.66 245*60II 5000/5 </p> <p> 型號(hào) ALH-0.66 130*50II 4000/5 </p> <p> 型號(hào) ALH-0.66 40II 600/5 0.2SR 5 </p> <p> 型號(hào) ALH-0.66 100II 3200/5 </p> <p> 型號(hào) ALH-0.66 200*50II 1000/5 </p> <p> 型號(hào) ALH-0.66 170*50II 3000/5 </p> <p> 型號(hào) ALH-0.66 100*85II 4000/5 0.2R 40VA </p> <p> 型號(hào) ALH-0.66 80II 2000/5 0.5R10VA 690V ML </p> <p> 型號(hào) ALH-0.66 30I-I 75/1-TH </p> <p> 型號(hào) ALH-0.66 80II 2000/10.5R10 </p> <p> 型號(hào) ALH-0.66 100*80II 3500/5 0.5R 40VA 1T </p> <p> 型號(hào) ALH-0.66 60II 1200/5 0.2SR 20VA </p> <p> 型號(hào) ALH-0.66 30I-I 150/5 0.2R1T 2.5VA </p> <p> 型號(hào) ALH-0.66 30I-I 75/1H </p> <p> 型號(hào) ALH-0.66 40II 15/5 0.5R 2.5VA 8T </p> <p> 型號(hào) ALH-0.66 120*65II 4000/5 </p> <p> 型號(hào) ALH-0.66 40II 400/5 0.2SR 2.5VA </p> <p> 型號(hào) ALH-0.66 30I 500/1 </p> <p> 型號(hào) ALH-0.66 D22 30/5 </p> <p> 型號(hào) ALH-0.66 100*70II 3500/5 </p> <p> 型號(hào) ALH-0.66 100*85II 4000/1 </p> <p> 型號(hào) ALH-0.66 80II 1000/1 0.5R10VA 690V ML </p> <p> 型號(hào) ALH-0.66 D22 50/5 </p> <p> 型號(hào) ALH-0.66 100*70II 4000/5 </p> <p> 型號(hào) ALH-0.66 60*50II 1500/50.2 SR </p> <p> 型號(hào) ALH-0.66 60II 2000/5 0.2SR40VA </p> <p> 型號(hào) ALH-0.66 130*50II 3000/5 </p> <p> 型號(hào) ALH-0.66 30I-I 200/510VA </p> <p> 型號(hào) ALH-0.66 40II 300/5 0.2SR 2.5VA </p> <p> 型號(hào) ALH-0.66 170*50II 4000/5 </p> <p> 型號(hào) ALH-0.66 80*50II 1000/5 0.2SR 15VA </p> <p> 型號(hào) ALH-0.66 100*85II 3000/5 </p> <p> 型號(hào) ALH-0.66 D8-I 5/5 上海喆和定制銷(xiāo)售西門(mén)子APT（原上海二工）ALH-0.66 120*65II電流互感器.上海二工電流互感器便宜</p><p style="text-indent:25px">上海喆和定制銷(xiāo)售西門(mén)子APT（原上海二工）ALH-0.66 170*100II電流互感器.上海二工電流互感器便宜</p><p> 上海喆和定制銷(xiāo)售西門(mén)子電流互感器ALH-0.66系列。 </p> <p> 電流互感器1次側(cè)只有1到幾匝，導(dǎo)線(xiàn)截面積大，串入被測(cè)電路。2次側(cè)匝數(shù)多，導(dǎo)線(xiàn)細(xì)，與阻抗較小的儀表(電流表/功率表的電流線(xiàn)圈）構(gòu)成閉路。電流互感器的運(yùn)行情況相當(dāng)于2次側(cè)短路的變壓器，忽略勵(lì)磁電流，安匝數(shù)相等I1N1=I2N2電流互感器一次繞組電流I1與二次繞組I2的電流比，叫實(shí)際電流比I1/I2=N2/N1=k。勵(lì)磁電流是誤差的主要根源。測(cè)量用電流互感器的精度等級(jí)0.2/0.5/1/3,1表示變比誤差不超過(guò)±1%，另外還有0.2S和0.5S級(jí)。2、保護(hù)用電流互感器保護(hù)用電流互感器分為：1.過(guò)負(fù)荷保護(hù)電流互感器，2.差動(dòng)保護(hù)電流互感器，3.接地保護(hù)電流互感器（零序電流互感器）保護(hù)用電流互感器主要與繼電裝置配合，在線(xiàn)路發(fā)生短路過(guò)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)用電流互感器的工作條件與測(cè)量用電流保護(hù)用電流互感器互感器完全不同，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(kāi)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.足夠的熱穩(wěn)定性和動(dòng)穩(wěn)定性。上海二工電流互感器便宜</p><p style="text-indent:25px">上海喆和機(jī)電科技有限公司是一家從事機(jī)電科技領(lǐng)域內(nèi)的技術(shù)開(kāi)發(fā)、技術(shù)咨詢(xún)、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(mén)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(mén)批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng)】的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷(xiāo)售為一體的專(zhuān)業(yè)化公司。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(kāi)發(fā)、技術(shù)咨詢(xún)、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(mén)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(mén)批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng)】的企業(yè)之一，為客戶(hù)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)電科始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。上海喆和機(jī)電科創(chuàng)始人李小雅，始終關(guān)注客戶(hù)，創(chuàng)新科技，竭誠(chéng)為客戶(hù)提供良好的服務(wù)。</p></p><br 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