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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>?上海電流互感器貨期短歡迎來電上海喆和機(jī)電科技供應(yīng)</p><div id="8w9jqsj" class="leftbox clearfix"><h1>上海電流互感器貨期短歡迎來電上海喆和機(jī)電科技供應(yīng)</h1><div id="3hvmj3m" class="proBig"><div id="nqr2f7v" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087883095803/6371670878830958036124787.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="83yfryk" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087883095803/6371670878830958036124787.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="fzgs87h" 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>上海電流互感器貨期短,電流互感器</p><p><span>***更新：</span>2020-10-18 08:01:28</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="a8ovh2c" 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</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="xg37icd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="39fht3l" class="box"><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，上海電流互感器貨期短.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，上海電流互感器貨期短.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，上海電流互感器貨期短.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.上海電流互感器貨期短</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海電流互感器貨期短,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087883095803/6371670878830958036124787.png"></div><p> 上海喆和供應(yīng)西門子APT電流互感器ALH-0.66 </p> <p> 消除誤差的方法兩年內(nèi)我們探索了導(dǎo)線、分?jǐn)?shù)匝、電容、電感、電阻絲等對正比差補(bǔ)償方法。1995年底，我們終于找到了可使電流互感器正、負(fù)比差都明顯減小的技術(shù)方案。例如23號200／5的電流互感器，當(dāng)母線穿心一匝，一次電流為180A時，二次顯示194A，正比差為14A，一次電流為5A，二次示數(shù)為0A，負(fù)比差為5A。利用這種技術(shù)方案，可以使該電流互感器一次電流從0A到額定電流的整個區(qū)間，正比差為0A，負(fù)比差額定值為lA，從而發(fā)現(xiàn)了降低電流互感器比差的技術(shù)方案。電流互感器的負(fù)載特性當(dāng)二次測所接負(fù)載阻抗遠(yuǎn)大于銘牌上標(biāo)定的阻抗時，電流互感器是一恒壓源。例如9號150／5互感器，銘牌上標(biāo)定的阻抗為0．2Ω。當(dāng)一次電流為150A，二次開路時，用MFl73型萬用表交流10V檔，精度為9kΩ／V，相當(dāng)于在二次回路上串聯(lián)90kΩ的電阻，測得其電壓為2．6V；當(dāng)二次測并接15Ω300磁場變阻器，分別取阻值15Ω、7．5Ω、3．75Ω時，二次電壓仍為2．6V；當(dāng)取1．875Ω時二次電壓才降為2．55V，有力地證明了上述結(jié)論。當(dāng)外阻遠(yuǎn)小于標(biāo)定阻抗時，電流互感器接近一恒流源。例如9號150／5互感器，將一次電流調(diào)至135A。上海APT電流互感器規(guī)格尺寸上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 120II-P電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海電流互感器貨期短,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087771928659/6371670877719286596119342.png"></div><p> 上海喆和供應(yīng)西門子電流互感器。 </p> <p> <br /> </p> <p> 被測互感器與標(biāo)準(zhǔn)互感器的二次電流差一般采用互感器校驗(yàn)儀進(jìn)行量。直接從互感器校驗(yàn)儀上讀出比值差fx(%)，相位差δx(’)。由于互感器校驗(yàn)儀測的是被測互感器與標(biāo)準(zhǔn)互感器電流差與二次電流的比值，所以對互感器校驗(yàn)儀的要求不高。要能校驗(yàn)什么等級的互感器，基本由標(biāo)準(zhǔn)互感器決定。 </p> <p> 標(biāo)準(zhǔn)互感器是互感器校驗(yàn)系統(tǒng)的關(guān)鍵**。對被測互感器進(jìn)行校驗(yàn)，除了標(biāo)準(zhǔn)互感器、互感器校驗(yàn)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(fù)載。折疊編輯本段運(yùn)行特性在電工手冊及各類教材中，對電流互感器二次開路運(yùn)行的結(jié)論是：“電流互感器二次開路產(chǎn)生幾百伏、lkV～10kV的危及人身安全的高壓；鐵芯嚴(yán)重發(fā)熱，燒壞電流互感器?！边@也是電力界公認(rèn)的法規(guī)。 </p> <p> 我們科技服務(wù)小組在檢修學(xué)校配電盤的一只無示數(shù)電流表時發(fā)現(xiàn)，與其相串聯(lián)電流互感器二次開路運(yùn)行，實(shí)測電壓為2.6V，恢復(fù)其原閉路接法，同時在主回路串入型號、變化相同的電流互感器，二次開路長期運(yùn)行，并不發(fā)熱。這說明：目前實(shí)際應(yīng)用的電流互感器運(yùn)行特性與一百多年來傳統(tǒng)的結(jié)論相比，有著不容忽視的重大差別。 </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 80II 600/1 </p> <p> 型號 ALH-0.66 80II 600/5ML </p> <p> 型號 ALH-0.66 100II 800/1ML </p> <p> 型號 ALH-0.66 30I-I 15/55VA8TM </p> <p> 型號 ALH-0.66 30I 50/1ML </p> <p> 型號 ALH-0.66 100*50II 1600/1M </p> <p> 型號 ALH-0.66 3CT150/5 </p> <p> 型號 ALH-0.66 60I 700/5ML </p> <p> 型號 ALH-0.66 40II 700/5 </p> <p> 型號 ALH-0.66 30I 300/1ML </p> <p> 型號 ALH-0.66 40I 100/5ML </p> <p> 型號 ALH-0.66 40II 600/115VAML </p> <p> 型號 ALH-0.66 30I-I 20/1 0.5R 5VA 10T ML </p> <p> 型號 ALH-0.66 40I 500/1ML </p> <p> 型號 ALH-0.66 50II 400/5ML </p> <p> 型號 ALH-0.66 30I-I 75/1 ML1R 2.5VA ML </p> <p> 型號 ALH-0.66 M8-I 60/5ML </p> <p> 型號 ALH-0.66 100I 600/5 0.2SR 5VA 1T </p> <p> 型號 ALH-0.66 60*50II 1500/5ML </p> <p> 型號 ALH-0.66 40II 400/5ML </p> <p> 型號 ALH-0.66 40II 250/1ML </p> <p> 型號 ALH-0.66 60II 350/5ML </p> <p> 型號 ALH-0.66 30I-I 50/5H </p> <p> 型號 ALH-0.66 30I-I 100/5ML </p> <p> 型號 ALH-0.66 60*50II 1200/1ML </p> <p> 型號 ALH-0.66 30I-I 5/10.2VAML </p> <p> 型號 ALH-0.66 80*50II 1250/2.5ML </p> <p> 型號 ALH-0.66 80*50II 500/5ML </p> <p> 型號 ALH-0.66 80II 800/1ML </p> <p> 型號 ALH-0.66 30I-I 15/1 2.5VA 8T ML </p> <p> 型號 ALH-0.66 M8-II 75/50.5R </p> <p> 型號 ALH-0.66 30I 40/1ML </p> <p> 型號 ALH-0.66 M8-I 100/5ML </p> <p> 型號 ALH-0.66 40II 700/50.2RML </p> <p> 型號 ALH-0.66 M8-II 50/5XGZZ </p> <p> 型號 ALH-0.66 50II 1000/5ML </p> <p> 型號 ALH-0.66 30I 250/1ML </p> <p> 型號 ALH-0.66 40II 10/5 </p> <p> 型號 ALH-0.66 30I-I 25/1ML 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.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海電流互感器貨期短,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167088041488527/6371670880414885276367966.png"></div><p> 上海喆和定制銷售西門子APT原廠ALH-0.66電流互感器，交貨快，款式種類多，個性化等。 </p> <p> 型號 </p> <p> ALH-0.66 60*50II 400/1ML </p> <p> 型號 </p> <p> ALH-0.66 M8-I 15/5ML </p> <p> 型號 </p> <p> ALH-0.66 M8-II 60/5XGZZ </p> <p> 型號 </p> <p> ALH-0.66 80*50II 1250/5ML </p> <p> 型號 </p> <p> ALH-0.66 40II 800/5ML </p> <p> 型號 </p> <p> ALH-0.66 40I 150/15VAML </p> <p> 型號 </p> <p> ALH-0.66 30I 250/50.2RML </p> <p> 型號 </p> <p> ALH-0.66 100*50II 3000/5M </p> <p> 型號 </p> <p> ALH-0.66 80*50II 250/51R5VA ML </p> <p> 型號 </p> <p> ALH-0.66 100II 800/5ML </p> <p> 型號 </p> <p> ALH-0.66 60*50II 1600/2.5M </p> <p> 型號 </p> <p> ALH-0.66 40II 600/50.2RML </p> <p> 型號 </p> <p> ALH-0.66 60II 800/5ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 300/1ML </p> <p> 型號 </p> <p> ALH-0.66 30I 150/1ML </p> <p> 型號 </p> <p> ALH-0.66 30I 60/1ML </p> <p> 型號 </p> <p> ALH-0.66 40II 250/5ML </p> <p> 型號 </p> <p> ALH-0.66 60II 1500/1ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 60/11RML </p> <p> 型號 </p> <p> ALH-0.66 M8-I 20/50.5R </p> <p> 型號 </p> <p> ALH-0.66 80II 800/5ML </p> <p> 型號 </p> <p> ALH-0.66 60*50II 1000/5ML </p> <p> 型號 </p> <p> ALH-0.66 40II 400/1 15VA ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 5/5ML </p> <p> 型號 </p> <p> ALH-0.66 40I 25/5ZZ </p> <p> 型號 </p> <p> ALH-0.66 60*50II 750/1ML </p> <p> 型號 </p> <p> ALH-0.66 60II 250/1ML </p> <p> 型號 </p> <p> ALH-0.66 80II 630/5 </p> <p> 型號 </p> <p> ALH-0.66 80*50II 1250/1ML </p> <p> 型號 </p> <p> ALH-0.66 180II 4000/5ML </p> <p> <br /> </p> <p> <br /> </p> <p> 型號 </p> <p> ALH-0.66 40I 450/5 </p> <p> 型號 </p> <p> ALH-0.66 80*50II 400/51R5 </p> <p> 型號 </p> <p> ALH-0.66 40I 100/10.4VAML </p> <p> 型號 </p> <p> ALH-0.66 M8-II 30/5EPZZ </p> <p> 型號 </p> <p> ALH-0.66 130III 4000/1 </p> <p> <br /> </p> <p> <br /> </p> <p> 型號 </p> <p> ALH-0.66 100*50II 3500/1M </p> <p> 型號 </p> <p> ALH-0.66 120*50II 4000/5 15VA ML </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 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APT電流互感器規(guī)格尺寸</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 30III電流互感器.上海電流互感器貨期短</p><p> 對于沒有采取補(bǔ)償措施的電流互感器，比差為負(fù)值，角差為正值，比差的***值和角差均隨電流增大而減小。采用補(bǔ)償?shù)霓k法可以減小互感器的誤差。一般通過在互感器上加繞附加繞組或增添附加鐵心，以及接入相應(yīng)的電阻、電感、電容元件來補(bǔ)償。常用的補(bǔ)償法有匝數(shù)補(bǔ)償、分?jǐn)?shù)匝補(bǔ)償、小鐵心補(bǔ)償、并聯(lián)電容補(bǔ)償?shù)?。校?yàn)方法在進(jìn)行電流互感器誤差試驗(yàn)之前，通常需要檢查極性和退磁等試驗(yàn)。極性檢查電流互感器一次繞組標(biāo)志為P1、P2，二次繞組標(biāo)志為S1、S2。若P1、S1是同名端，則這種標(biāo)志叫減極性。一次電流從P1進(jìn)，二次電流從S1出。極性檢查很簡單，除了可以在互感器校驗(yàn)儀上進(jìn)行檢查外，還可以使用直流檢查法。退磁檢查電流互感器在電流突然下降的情況下，互感器鐵芯可能產(chǎn)生剩磁。如電流互感器在大電流情況下突然切斷電源、二次繞組突然開路等。互感器鐵芯有剩磁，使鐵芯磁導(dǎo)率下降，影響互感器性能。長期使用后的互感器都應(yīng)該退磁。互感器檢驗(yàn)前也要退磁。退磁就是通過一次或二次繞組以交變的勵磁電流，給鐵芯以交變的磁場。從0開始逐漸加大交變的磁場(勵磁電流)使鐵芯達(dá)到飽和狀態(tài)，然后再慢慢減小勵磁電流到零，以消除剩磁。上海電流互感器貨期短</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?！疽婪毥?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】的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠實(shí)可信的企業(yè)。上海喆和機(jī)電科擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊，以高度的專注和執(zhí)著為客戶提供編程控制器，光電傳感器，變頻器，軟啟動器。上海喆和機(jī)電科繼續(xù)堅定不移地走高質(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)注電工電氣行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1602745.html</p></div></div></div></div></div><div id="0hpqhta" class="page-right twoColRt"><div id="nwipwyk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bahubiu" 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