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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>上海優(yōu)惠特賣電流互感器銷售廠家,電流互感器</p><p><span>***更新：</span>2021-01-04 09:03:01</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="mtk8kzl" 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="3ijpg84" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="j2dtkws" 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(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，上海優(yōu)惠特賣電流互感器銷售廠家.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，上海優(yōu)惠特賣電流互感器銷售廠家.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，上海優(yōu)惠特賣電流互感器銷售廠家.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 /> 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.上海優(yōu)惠特賣電流互感器銷售廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海優(yōu)惠特賣電流互感器銷售廠家,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087926902204/6371670879269022048294637.png"></div><p style="text-indent:25px"> 上海喆和銷售電流互感器。對(duì)于電流互感器退磁，一次繞組開路，二次繞組通以工頻電流，從零開始逐漸增加到一定的電流值(該電流值與互感器的設(shè)計(jì)測(cè)量上限有關(guān)，一般為額定電流的20-50%左右?？梢赃@樣判斷，如果電流突然急劇變大，此時(shí)表示鐵芯以進(jìn)入磁飽和階段)。然后再將電流緩慢降為零，如此重復(fù)2-3次。在斷開電源前，應(yīng)將一次繞組短接，才斷開電源。鐵芯退磁完成。此方法稱開路退磁法。對(duì)于有些電流互感器，由于二次繞組的匝數(shù)都比較多。若采用開路退磁法，開路的繞組可能產(chǎn)生高電壓。因此可以在二次繞組接上較大的電阻(額定阻抗的10-20倍)。一次繞組通以電流，從零漸變到互感器一次繞組的允許的額定電流，再漸變到零，如此重復(fù)2-3次。由于接有負(fù)載鐵芯可能不能完全退磁。由于一次繞組的額定電流有限制，過(guò)大的話可能燒壞一次繞組。如果接有負(fù)載的二次繞組產(chǎn)生電壓不是過(guò)高的話，可以加大二次繞組的負(fù)載電阻。這樣可以提高退磁效果。3、電流互感器誤差試驗(yàn)互感器誤差試驗(yàn)一般采用被測(cè)互感器與標(biāo)準(zhǔn)互感器進(jìn)行比較，兩互感器的二次電流差即為被測(cè)互感器誤差。此種檢驗(yàn)方法稱比較法。標(biāo)準(zhǔn)互感器要求比被測(cè)互感器高出二個(gè)等級(jí)，此時(shí)標(biāo)準(zhǔn)互感器誤差可忽略不計(jì)。上海優(yōu)惠特賣電流互感器銷售廠家上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 60II電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海優(yōu)惠特賣電流互感器銷售廠家,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087973056246/6371670879730562466968566.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(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(guò)度飽和磁化，發(fā)熱嚴(yán)重乃至燒毀線圈；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圈串聯(lián)使用，測(cè)量?jī)x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(shì)，是平衡一次電流的磁勢(shì)的。若突然使其開路，則勵(lì)磁電動(dòng)勢(shì)由數(shù)值很小的值驟變?yōu)楹艽蟮闹?，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(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(guò)程中，二次側(cè)一旦開路應(yīng)馬上撤掉電路負(fù)載，然后。 </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(hào) ALH-0.66 30I 600/5ML </p> <p> 型號(hào) ALH-0.66 60*50II 500/5ML </p> <p> 型號(hào) ALH-0.66 100*50II 4000/5ML </p> <p> 型號(hào) ALH-0.66 30I 15/5 0.5R 2.5VA 8T </p> <p> 型號(hào) ALH-0.66 40I 150/1ML </p> <p> 型號(hào) ALH-0.66 30I 200/1ML </p> <p> 型號(hào) ALH-0.66 M8-I 10/50.5R </p> <p> 型號(hào) ALH-0.66 30I-I 10/5ML </p> <p> 型號(hào) ALH-0.66 60*50II 250/5ML </p> <p> 型號(hào) ALH-0.66 100II 1500/0.06 </p> <p> 型號(hào) ALH-0.66 M8-I 75/5ML </p> <p> 型號(hào) ALH-0.66 40II 500/1ML </p> <p> 型號(hào) ALH-0.66 40II 250/110VAML </p> <p> 型號(hào) ALH-0.66 30I-I 5/10.5RML </p> <p> 型號(hào) ALH-0.66 60II 400/1ML </p> <p> 型號(hào) ALH-0.66 60II 200/1ML </p> <p> 型號(hào) ALH-0.66 60*50II 1200/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 15/5H </p> <p> 型號(hào) ALH-0.66 40I 20/5ZZ </p> <p> 型號(hào) ALH-0.66 120*50II 4000/5M </p> <p> 型號(hào) ALH-0.66 80II 150/5 </p> <p> 型號(hào) ALH-0.66 M8-II 30/50.5R </p> <p> 型號(hào) ALH-0.66 30I-I 15/11R0.4VA ML </p> <p> 型號(hào) ALH-0.66 30I 100/50.5RML </p> <p> 型號(hào) ALH-0.66 30I 400/1ML </p> <p> 型號(hào) ALH-0.66 D12 200/5XGZZ </p> <p> 型號(hào) ALH-0.66 40I 400/5ZZ </p> <p> 型號(hào) ALH-0.66 30I-I 250/1H </p> <p> 型號(hào) ALH-0.66 100*50II 1000/1ML </p> <p> 型號(hào) ALH-0.66 130III 4000/5XG </p> <p> 型號(hào) ALH-0.66 50II 1500/1ML </p> <p> 型號(hào) ALH-0.66 40I 100/1ML </p> <p> 型號(hào) ALH-0.66 80II 400/5ML </p> <p> 型號(hào) ALH-0.66 60I 500/5ML </p> <p> 型號(hào) ALH-0.66 100*50II 800/1ML </p> <p> 型號(hào) ALH-0.66 40I 1000/1MR </p> <p> 型號(hào) ALH-0.66 80*50II 1200/1ML </p> <p> 型號(hào) ALH-0.66 30I 100/50.5R </p> <p> 型號(hào) ALH-0.66 40II 1500/5 上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 60III電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海優(yōu)惠特賣電流互感器銷售廠家,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167088129589451/6371670881295894516977483.png"></div><p> 電流互感器使用注意事項(xiàng)(1)極性連接要正確。電流互感器一般按減極性標(biāo)注，如果極性連接不正確，就會(huì)影響計(jì)量，甚至在同**路有多臺(tái)電流互感器并聯(lián)時(shí)，全造成短路***。(2)二次回路應(yīng)設(shè)保護(hù)性接地點(diǎn)，并可靠連接。為防止一、二次繞組之間絕緣擊穿后高電壓竄入低壓側(cè)危及人身和儀表安全，電流互感器二次側(cè)應(yīng)設(shè)保護(hù)性接地點(diǎn)，接地點(diǎn)只允許接一個(gè)，一般將靠近電流互感器的箱體端子接地。(3)運(yùn)行中二次繞組不允許開路。否則會(huì)導(dǎo)致以下嚴(yán)重后果：二次側(cè)出現(xiàn)高電壓，危及人身和儀表安全;出現(xiàn)過(guò)熱，可能燒壞繞組;增大計(jì)量誤差。(4)用于電能計(jì)量的電流互感器二次回路，不應(yīng)再接繼電保護(hù)裝置和自動(dòng)裝置等，以防互相影響。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.上海優(yōu)惠特賣電流互感器銷售廠家</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 30I電流互感器.上海優(yōu)惠特賣電流互感器銷售廠家</p><p> 上海喆和銷售西門子電流互感器ALH-0.66系列 </p> <p> 按電流變換原理分 </p> <p> 電磁式電流互感器。根據(jù)電磁感應(yīng)原理實(shí)現(xiàn)電流變換的電流互感器。 </p> <p> 光電式電流互感器。通過(guò)光電變換原理以實(shí)現(xiàn)電流變換的電流互感器，目前還在研制中。 </p> <p> 按安裝方式分 </p> <p> 貫穿式電流互感器。用來(lái)穿過(guò)屏板或墻壁的電流互感器。 </p> <p> 支柱式電流互感器。安裝在平面或支柱上，兼做一次電路導(dǎo)體支柱用的電流互感器。 </p> <p> 套管式電流互感器。沒有一次導(dǎo)體和一次絕緣，直接套裝在絕緣的套管上的一種電流互感器。 </p> <p> 母線式電流互感器。沒有一次導(dǎo)體但有一次絕緣，直接套裝在母線上使用的一種電流互感器。折疊編輯本段校驗(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主面特性。 </p> <p> 1、電流互感器極性檢查： </p> <p> 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(jiǎn)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。 </p> <p> 2、電流互感器退磁檢查 </p> <p> 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?；ジ衅麒F芯有剩磁，使鐵芯磁導(dǎo)率下降，影響互感器性能。上海優(yōu)惠特賣電流互感器銷售廠家</p><p style="text-indent:25px">上海喆和機(jī)電科技有限公司是一家有著雄厚實(shí)力背景、信譽(yù)可靠、勵(lì)精圖治、展望未來(lái)、有夢(mèng)想有目標(biāo)，有組織有體系的公司，堅(jiān)持于帶領(lǐng)員工在未來(lái)的道路上大放光明，攜手共畫藍(lán)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(chéng)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(chǔ)，也希望未來(lái)公司能成為*****，努力為行業(yè)領(lǐng)域的發(fā)展奉獻(xiàn)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(qiáng)不息，斗志昂揚(yáng)的的企業(yè)精神將** 上海喆和機(jī)電科和您一起攜手步入輝煌，共創(chuàng)佳績(jī)，一直以來(lái)，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠(chéng)實(shí)守信的方針，員工精誠(chéng)努力，協(xié)同奮取，以品質(zhì)、服務(wù)來(lái)贏得市場(chǎng)，我們一直在路上！</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2699815.html</p></div></div></div></div></div><div id="bdpgg8e" class="page-right twoColRt"><div id="rzlri79" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="kn25vhi" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="8wieghs" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" 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