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clearfix"><h1>上海電流互感器多少錢歡迎咨詢上海喆和機(jī)電科技供應(yīng)</h1><div id="edkwta3" class="proBig"><div id="ad7hjgy" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087771928659/6371670877719286596119342.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pia3uv2" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087771928659/6371670877719286596119342.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="sv8l2si" 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>上海電流互感器多少錢,電流互感器</p><p><span>***更新：</span>2020-11-08 09:03:51</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="aofh32q" 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="y3gm3fv" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3s3x97y" class="box"><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> <p> 1 概述 </p> <p> 1.1 主要用途 </p> <p> ALH-0.66 系列電流互感器采用**度外殼全封閉結(jié)構(gòu)。當(dāng)一次側(cè)穿芯匝數(shù)為 1時(shí)，中心孔以穿母線為主，也可以穿電纜；中心孔穿 </p> <p> 軟質(zhì)電纜時(shí)，需根據(jù)型號(hào)標(biāo)明的一次側(cè)匝數(shù)穿芯。本產(chǎn)品為測(cè)量用互感器，一般配合測(cè)量?jī)x表使用，用來顯示被測(cè)電路的工作電流。也可 </p> <p> 用于控制、保護(hù)電路等場(chǎng)所。 P1、P2表示一次極性端，上海電流互感器多少錢， S1、S2表示二次極性端。 P1、S1及P2、S2為同名端（減極性）。 </p> <p> <p> 安全使用和注意事項(xiàng) </p> <p> 1) 嚴(yán)格按照銘牌上額定功率、額定變比、準(zhǔn)確度等級(jí)使用本產(chǎn)品； </p> <p> 2) 二次接線端子 S1、S2不得開路，上海電流互感器多少錢，且負(fù)載接線保證接觸良好，以免互感器產(chǎn)生高電壓危及設(shè)備和人身安全； </p> <p> S1、S2應(yīng)有一端可靠接地，以防止一二次間絕緣擊穿； </p> <p> 3) 二次回路連接導(dǎo)線應(yīng)采用足夠容量且中間無接頭的銅芯絕緣線； </p> <p> 4）二次繞組回路中所串入儀表的阻抗不應(yīng)超過相關(guān)技術(shù)標(biāo)準(zhǔn)的規(guī)定； </p> <p> 5）應(yīng)避免繼電保護(hù)用互感器和電能計(jì)量用電流互感器并用，上海電流互感器多少錢。 </p> </p> 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.上海電流互感器多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海電流互感器多少錢,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087771928659/6371670877719286596119342.png"></div><p> 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?？梢噪娏骰ジ衅鬟@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。準(zhǔn)確度檢查互感器誤差試驗(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)。上海電流互感器多少錢上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 130II電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海電流互感器多少錢,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087626920413/6371670876269204131239849.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) </p> <p> ALH-0.66 30I 300/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 50II 700/5 </p> <p> 型號(hào) </p> <p> ALH-0.66 40II 900/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 M8-I 10/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 200/50.2RML </p> <p> 型號(hào) </p> <p> ALH-0.66 220*50II 3000/5 </p> <p> 型號(hào) </p> <p> ALH-0.66 60II 600/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I 160/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 80*50II 200/51R5VA ML </p> <p> 型號(hào) </p> <p> ALH-0.66 40II 200/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 10/11R1VA ML </p> <p> 型號(hào) </p> <p> ALH-0.66 80*50II 800/50.2RML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 100/51RML </p> <p> 型號(hào) </p> <p> ALH-0.66 60II 200/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 40II 400/5 0.2R 5VA 1T ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 300/50.2R2.5VA 1T VA 1T </p> <p> 型號(hào) </p> <p> ALH-0.66 40I 10/5ZZ </p> <p> 型號(hào) </p> <p> ALH-0.66 120*50II 3000/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 5/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 60II 300/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 60*50II 1250/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 15/10.5RML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I 100/10.5R5VA </p> <p> 型號(hào) </p> <p> ALH-0.66 30I 40/15VAML </p> <p> 型號(hào) </p> <p> ALH-0.66 100II 1500/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 80I 150/5 </p> <p> 型號(hào) </p> <p> ALH-0.66 M8-II 10/50.5R </p> <p> 型號(hào) </p> <p> ALH-0.66 50III 750/5 </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 30/51T </p> <p> 型號(hào) </p> <p> ALH-0.66 80II 1600/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 100*50II 4000/1M </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 200/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 100III 2500/5XG </p> <p> 型號(hào) </p> <p> ALH-0.66 80*50II 1000/2.5M </p> <p> 型號(hào) </p> <p> ALH-0.66 50II 1250/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 80/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 60*50II 600/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 M8-I 30/1ML </p><p style="text-indent:25px">對(duì)于保護(hù)用電流互感器的裝設(shè)地點(diǎn)應(yīng)按盡量消除主保護(hù)裝置的不保護(hù)區(qū)來設(shè)置。例如：若有兩組電流互感器，且位置允許時(shí)，應(yīng)設(shè)在斷路器兩側(cè)，使斷路器處于交叉保護(hù)范圍之中6）為了防止支柱式電流互感器套管閃絡(luò)造成母線故障，電流互感器通常布置在斷路器的出線或變壓器側(cè)7）為了減輕發(fā)電機(jī)內(nèi)部故障時(shí)的損傷，用于自動(dòng)調(diào)節(jié)勵(lì)磁裝置的電流互感器應(yīng)布置在發(fā)電機(jī)定子繞組的出線側(cè)。為了便于分析和在發(fā)電機(jī)并入系統(tǒng)前發(fā)現(xiàn)內(nèi)部故障，用于測(cè)量?jī)x表的電流互感器宜裝在發(fā)電機(jī)中性點(diǎn)側(cè)。接線方式電流互感器的接線方式按其所接負(fù)載的運(yùn)行要求確定。**常用的接線方式為單相、三相星形和不完全星形三種，分別如圖4a、圖4b和圖4c。電流互感器接線方式額定變比和誤差：電流互感器的額定變比KN指電流互感器的額定電流比。即：KN=I1N/I2N電流互感器原邊電流在一定范圍內(nèi)變動(dòng)時(shí)，一般規(guī)定為10～120%I1N，副邊電流應(yīng)按比例變化，而且原、副邊電壓（或電流）應(yīng)該同相位。但由于互感器存在內(nèi)阻抗、勵(lì)磁電流和損耗等因素而使比值及相位出現(xiàn)誤差，分別稱為比差和角差。比差為經(jīng)折算后的二次電流與一次電流量值大小之差對(duì)后者之比，即fI 為電流互感器的比差。當(dāng)KNI2>I1時(shí)，比差為正，反之為負(fù)。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="上海電流互感器多少錢,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087691485417/6371670876914854172826101.png"></div><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(jiǎn)稱比差，一般用符號(hào)f表示，它等于實(shí)際的二次電流與折算到二次側(cè)的一次電流的差值，與折算到二次側(cè)的一次電流的比值，以百分?jǐn)?shù)表示。角差：相角誤差簡(jiǎn)稱角差，一般用符號(hào)δ表示，它是旋轉(zhuǎn)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(fù)值，用分（’）為計(jì)算單位。熱穩(wěn)定及動(dòng)穩(wěn)定倍數(shù)：電力系統(tǒng)故障時(shí)，電流互感器受到由于短路電流引起的巨大電流的熱效應(yīng)和電動(dòng)力作用，電流互感器應(yīng)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(dòng)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(nèi)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(dòng)穩(wěn)定倍數(shù)是電流互感器所能承受的額定電流瞬時(shí)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(cè)量用電流互感器（或電流互感器的測(cè)量繞組）：在正常工作電流范圍內(nèi)，向測(cè)量、計(jì)量等裝置提供電網(wǎng)的電流信息。保護(hù)用電流互感器（或電流互感器的保護(hù)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-0.66 100*70II電流互感器.上海二工電流互感器ALH-0.66 130-65II</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 100I電流互感器.上海電流互感器多少錢</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-0.66 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 /> 上海電流互感器多少錢</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(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?！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(dòng)】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(duì)，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(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(zhǎng)，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)電科創(chuàng)始人李小雅，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1901961.html</p></div></div></div></div></div><div id="bxebi2x" class="page-right twoColRt"><div id="xwognhj" class="box01 margin10 clearfix"><h3><a 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