上海直銷電流互感器多少錢歡迎來(lái)電上海喆和機(jī)電科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 由于一次繞組與二次繞組有相等的安培匝數(shù)，I1N1=I2N2，電流互感器額定電流比：。電流互感器實(shí)際運(yùn)行中負(fù)荷阻抗很小，二次繞組接近于短路狀態(tài)，相當(dāng)于一個(gè)短路運(yùn)行的變壓器。2、電流互感器的接線原"><meta name="keywords" content="上海直銷電流互感器多少錢,電流互感器"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167088041488527/6371670880414885276367966.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8xtkbsj" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167088041488527/6371670880414885276367966.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qiw83ek" 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>上海直銷電流互感器多少錢,電流互感器</p><p><span>***更新：</span>2020-12-24 09:03:12</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="qirmdea" 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="g7hdf3a" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="nf27kgx" class="box"><p><p> 由于一次繞組與二次繞組有相等的安培匝數(shù)，I1N1=I2N2，電流互感器額定電流比：。電流互感器實(shí)際運(yùn)行中負(fù)荷阻抗很小，二次繞組接近于短路狀態(tài)，相當(dāng)于一個(gè)短路運(yùn)行的變壓器。2、電流互感器的接線原則(1)電流互感器二次側(cè)不允許開(kāi)路，上海直銷電流互感器多少錢。二次開(kāi)路可能產(chǎn)生嚴(yán)重后果，一是鐵芯過(guò)熱，甚至燒毀互感器;二是由于二次繞組匝數(shù)很多，會(huì)感應(yīng)出危險(xiǎn)的高電壓，危及人身和設(shè)備的安全。(2)高壓電流互感器的二次側(cè)必須有一點(diǎn)接地。由于高壓電流互感器的一次側(cè)為高壓，上海直銷電流互感器多少錢，當(dāng)一、二次線圈之間因絕緣損壞出線高壓擊穿時(shí)，將導(dǎo)致高壓進(jìn)入低壓，如果二次線圈一點(diǎn)接地，則將高壓引入了大地，可確保人身及設(shè)備的安全。但應(yīng)當(dāng)注意，電流互感器的二次回路只允許一點(diǎn)接地，而不允許再有接地，否則有可能引起分流，影響使用。低壓電流互感器的二次線圈不應(yīng)該接地。由于低壓互感器的電壓較低，一、二次線圈間的絕緣欲度大，發(fā)生一、二次線圈擊穿的可能性小，上海直銷電流互感器多少錢，另外，二次線圈的不接地將使二次回路及儀表的絕緣能力提高，還可使雷擊燒毀儀表***減少。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 100III-P電流互感器.上海直銷電流互感器多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海直銷電流互感器多少錢,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167088041488527/6371670880414885276367966.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 上海二工電流互感器源頭好貨上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 30II電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海直銷電流互感器多少錢,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087691485417/6371670876914854172826101.png"></div><p 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(lái)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)。</p><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(cè)量的電流的線路中，因此它經(jīng)常有線路的全部電流流過(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，因此測(cè)量?jī)x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(lái)使用，二次側(cè)不可開(kāi)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(cè)量的電流的線路中，因此它經(jīng)常有線路的全部電流流過(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(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="上海直銷電流互感器多少錢,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167636099732514/6371676360997325149233996.png"></div><p> 上海喆和定制銷售西門子電流互感器。電流互感器與變壓器類似也是根據(jù)電磁感應(yīng)原理工作，變壓器變換的是電壓而電流互感器變換的是電流罷了。電流互感器接被測(cè)電流的繞組（匝數(shù)為N1），稱為一次繞組（或原邊繞組、初級(jí)繞組）；接測(cè)量?jī)x表的繞組（匝數(shù)為N2）稱為二次繞組（或副邊繞組、次級(jí)繞組）。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K。電流互感器在額定電流下工作時(shí)的電流比叫電流互感器額定電流比，用Kn表示。Kn=I1n/I2n電流互感器（Currenttransformer簡(jiǎn)稱CT）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。一、電流互感器型號(hào)[3]：***字母：L—電流互感器第二字母：A—穿墻式；Z—支柱式；M—母線式；D—單匝貫穿式；V—結(jié)構(gòu)倒置式；J—零序接地檢測(cè)用；W—抗污穢；R—繞組裸露式第三字母：Z—環(huán)氧樹(shù)脂澆注式；C—瓷絕緣；Q—?dú)怏w絕緣介質(zhì)；W—與微機(jī)保護(hù)**第四字母：B—帶保護(hù)級(jí)；C—差動(dòng)保護(hù)；D—D級(jí)；Q—加強(qiáng)型。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 100*80II電流互感器.上海二工電流互感器源頭好貨</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.上海直銷電流互感器多少錢</p><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(duì)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(hào)200／5的電流互感器，當(dāng)母線穿心一匝，一次電流為180A時(shí)，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(gè)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(cè)所接負(fù)載阻抗遠(yuǎn)大于銘牌上標(biāo)定的阻抗時(shí)，電流互感器是一恒壓源。例如9號(hào)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(kāi)路時(shí)，用MFl73型萬(wàn)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(cè)得其電壓為2．6V；當(dāng)二次測(cè)并接15Ω300磁場(chǎng)變阻器，分別取阻值15Ω、7．5Ω、3．75Ω時(shí)，二次電壓仍為2．6V；當(dāng)取1．875Ω時(shí)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(shí)，電流互感器接近一恒流源。例如9號(hào)150／5互感器，將一次電流調(diào)至135A。上海直銷電流互感器多少錢</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/2542758.html</p></div></div></div></div></div><div id="s8nzq3u" class="page-right twoColRt"><div id="rjsdeqh" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="aypqhdz" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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