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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="hvce3ug" class="twoCol"><div id="kikjxiz" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a 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>?上海上海二工電流互感器多少錢(qián) 歡迎咨詢上海喆和機(jī)電科技供應(yīng)</p><div id="mvrovmt" class="leftbox clearfix"><h1>上海上海二工電流互感器多少錢(qián) 歡迎咨詢上海喆和機(jī)電科技供應(yīng)</h1><div id="iamokl2" class="proBig"><div id="wk388uw" 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="dnprjag" 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="38wcdk8" 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>上海上海二工電流互感器多少錢(qián),電流互感器</p><p><span>***更新：</span>2020-08-02 04:04:20</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="iw8movh" 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="mqszgnu" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="zduwyul" class="box"><p><p style="text-indent:25px"> 上海喆和供應(yīng)西門(mén)子APT電流互感器在變流實(shí)驗(yàn)臺(tái)上對(duì)每種電流互感器，一次測(cè)注入額定電流的0．1，0．2，…，1倍的電流。二次以開(kāi)路和閉路兩種方式運(yùn)行，測(cè)得一次電壓和一次電流，可以求出一次測(cè)在二次開(kāi)、閉路情況下的阻抗，其數(shù)值很小。例如一次阻抗額定的44號(hào)3015LQG系列電流互感器，當(dāng)一次測(cè)加30A電流，二次開(kāi)路，一次電壓為3V，則一次阻抗為0．1Ω。在二次閉路條件下，一次電壓為0．5V，一次阻抗為O．017Ω,。其余電流互感器隨變化的增大。一次阻抗變得很小，其中以母線穿心式的電流互感器**小。同理利用二次伏安特性，上海上海二工電流互感器多少錢(qián)，可以直接求出除母線穿心式電流互感器以外的其他各類(lèi)電流互感器在一次開(kāi)路或閉路情況下的二次阻抗。對(duì)母線穿心式電流互感器一次開(kāi)路情況下，二次阻抗可以直接利用二次伏安法求出。一次閉路情況下的二次阻抗必須加穿心短路環(huán)，所用短路環(huán)是多股細(xì)銅線組成的150mm2以上的單匝或多匝短路環(huán)，上海上海二工電流互感器多少錢(qián)，在滿足二次輸入安匝近似等于—?次安匝情況下，可求出母線穿心式電流互感器一次閉路情況下的二次阻抗。例如5號(hào)電流互感器，二次注入1～5A電流，一次加150mm2短路環(huán)后，其二次阻抗都是0．19Ω，上海上海二工電流互感器多少錢(qián)，近似等于銘牌標(biāo)定的負(fù)荷0．2Ω或5VA。上海喆和定制銷(xiāo)售西門(mén)子APT（原上海二工）ALH-0.66 50II-P電流互感器.上海上海二工電流互感器多少錢(qián)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海上海二工電流互感器多少錢(qián),電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087771928659/6371670877719286596119342.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(kāi)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。上海銷(xiāo)售電流互感器銷(xiāo)售廠家上海喆和定制銷(xiāo)售西門(mén)子APT（原上海二工）ALH-0.66 100III-P電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海上海二工電流互感器多少錢(qián),電流互感器" src="http://tyunfile.71360.com/WaterMark/UpLoadFile/shcmzdh/2020/2/637167636036010136/6371676360360101362181842.png"></div><p> 被測(cè)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(cè)的是被測(cè)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(duì)互感器校驗(yàn)儀的要求不高。要能校驗(yàn)什么等級(jí)的互感器，基本由標(biāo)準(zhǔn)互感器決定。標(biāo)準(zhǔn)互感器是互感器校驗(yàn)系統(tǒng)的關(guān)鍵**。對(duì)被測(cè)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。[10]注意事項(xiàng)電流互感器-使用注意事項(xiàng)電流互感器[11]運(yùn)行時(shí)，副邊不允許開(kāi)路。因?yàn)橐坏╅_(kāi)路，原邊電流均成為勵(lì)磁電流，使磁通和副邊電壓**超過(guò)正常值而危及人身和設(shè)備安全。因此，電流互感器副邊回路中不許接熔斷器，也不允許在運(yùn)行時(shí)未經(jīng)旁路就拆下電流表、繼電器等設(shè)備。電流互感器運(yùn)行時(shí)，副邊不允許開(kāi)路。 </p><p> 對(duì)于沒(méi)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(guò)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(lái)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(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。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(kāi)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。長(zhǎng)期使用后的互感器都應(yīng)該退磁?；ジ衅鳈z驗(yàn)前也要退磁。退磁就是通過(guò)一次或二次繞組以交變的勵(lì)磁電流，給鐵芯以交變的磁場(chǎng)。從0開(kāi)始逐漸加大交變的磁場(chǎng)(勵(lì)磁電流)使鐵芯達(dá)到飽和狀態(tài)，然后再慢慢減小勵(lì)磁電流到零，以消除剩磁。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.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海上海二工電流互感器多少錢(qián),電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087626920413/6371670876269204131239849.png"></div><p> 上海喆和銷(xiāo)售西門(mén)子APT原廠ALH-0.66電流互感器 </p> <p> 型號(hào) ALH-0.66 30I-I 200/5ML </p> <p> 型號(hào) ALH-0.66 40II 200/1ML </p> <p> 型號(hào) ALH-0.66 30I-I 20/10.5RML </p> <p> 型號(hào) ALH-0.66 30I 160/5 </p> <p> 型號(hào) ALH-0.66 30I-I 80/1ML </p> <p> 型號(hào) ALH-0.66 50II 250/5ML </p> <p> 型號(hào) ALH-0.66 80II 1500/5ML </p> <p> 型號(hào) ALH-0.66 M8-I 5/1ML </p> <p> 型號(hào) ALH-0.66 40II 500/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 40/5ML </p> <p> 型號(hào) ALH-0.66 40I 200/5ZZ </p> <p> 型號(hào) ALH-0.66 40I 10/5 </p> <p> 型號(hào) ALH-0.66 170*100II 4000/5 </p> <p> 型號(hào) ALH-0.66 100II 2000/5ML </p> <p> 型號(hào) ALH-0.66 80*50II 400/5ML </p> <p> 型號(hào) ALH-0.66 60*50II 2000/1ML </p> <p> 型號(hào) ALH-0.66 80II 1200/1 </p> <p> 型號(hào) ALH-0.66 30I-I 100/110VAM </p> <p> 型號(hào) ALH-0.66 30I-I 30/5H </p> <p> 型號(hào) ALH-0.66 60II 300/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 50/50.5R </p> <p> 型號(hào) ALH-0.66 100II 1000/1ML </p> <p> 型號(hào) ALH-0.66 40I 300/110VAML </p> <p> 型號(hào) ALH-0.66 60II 2000/1 </p> <p> 型號(hào) ALH-0.66 30I-I 50/5ML </p> <p> 型號(hào) ALH-0.66 40I 75/5 0.5R 2.5VA 2T </p> <p> 型號(hào) ALH-0.66 30I-I 30/11RML </p> <p> 型號(hào) ALH-0.66 D12 75/5XGZZ </p> <p> 型號(hào) ALH-0.66 30I-I 15/50.5RML </p> <p> 型號(hào) ALH-0.66 M8-II 5/50.5R </p> <p> 型號(hào) ALH-0.66 30I 50/5ML </p> <p> 型號(hào) ALH-0.66 80*50II 1600/2.5ML </p> <p> 型號(hào) ALH-0.66 80*50II 2000/5ML </p> <p> 型號(hào) ALH-0.66 30I 125/5ML </p> <p> 型號(hào) ALH-0.66 60I 750/5ML </p> <p> 型號(hào) ALH-0.66 50II 500/5ML </p> <p> 型號(hào) ALH-0.66 M8-I 30/5ML </p> <p> 型號(hào) ALH-0.66 40II 600/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 75/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 75/5H 上海喆和定制銷(xiāo)售西門(mén)子APT（原上海二工）ALH-0.66 60II電流互感器.上海二工電流互感器銷(xiāo)售價(jià)格</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 80II-P電流互感器.上海上海二工電流互感器多少錢(qián)</p><p style="text-indent:25px"> 上海喆和供應(yīng)西門(mén)子APT電流互感器。在供電用電的線路中電流電壓比較大的小小相差懸殊從幾安到幾萬(wàn)安都有。為便于二次儀表測(cè)量需要轉(zhuǎn)換為比較統(tǒng)一的電流，另外線路上的電壓都比較高如直接測(cè)量是非常危險(xiǎn)的。電流互感器就起到變流和電氣隔離作用。較早前，顯示儀表大部分是指針式的電流電壓表，所以電流互感器的二次電流大多數(shù)是安培級(jí)的（如5A等）?，F(xiàn)在的電量測(cè)量大多數(shù)字化，而計(jì)算機(jī)的采樣的信號(hào)一般為毫安級(jí)（0-5V、4-20mA等）。微型電流互感器二次電流為毫安級(jí)，主要起大互感器與采樣之間的橋梁作用。微型電流互感器也有人稱之為“儀用電流互感器”。（“儀用電流互感器”有一層含義是在實(shí)驗(yàn)室使用的多電流比精密電流互感器，一般用于擴(kuò)大儀表量程。）微型電流互感器與變壓器類(lèi)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微型電流互感器變換的是電流罷了。如圖繞組N1接被測(cè)電流，稱為一次繞組（或原邊繞組、初級(jí)繞組）；繞組N2接測(cè)量?jī)x表，稱為二次繞組（或副邊繞組、次級(jí)繞組）。微型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。微型電流互感器在額定工作電流下工作時(shí)的電流比叫電流互感器額定電流比，用Kn表示。上海上海二工電流互感器多少錢(qián)</p><p style="text-indent:25px">上海喆和機(jī)電科技有限公司注冊(cè)資金100-200萬(wàn)元，是一家擁有11~50人***員工的企業(yè)。公司業(yè)務(wù)分為[ "編程控制器", "光電傳感器", "變頻器", "軟啟動(dòng)器" 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