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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2r7po7j" 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="tnwudxn" 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)惠特賣電流互感器報(bào)價(jià),電流互感器</p><p><span>***更新：</span>2020-08-24 14:04:26</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="uzthqpe" 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="kflesbv" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="aue8ftc" 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。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，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，上海優(yōu)惠特賣電流互感器報(bào)價(jià)，上海優(yōu)惠特賣電流互感器報(bào)價(jià)。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，上海優(yōu)惠特賣電流互感器報(bào)價(jià)，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，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 30I電流互感器.上海優(yōu)惠特賣電流互感器報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海優(yōu)惠特賣電流互感器報(bào)價(jià),電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087883095803/6371670878830958036124787.png"></div><p> 兩者的使用發(fā)展方向由于電磁式電流互感器存在的易飽和、非線性及頻帶窄等問(wèn)題，電子式電流互感器逐漸興起。電子式電流互感器一般具有抗磁飽和、低功耗、寬頻帶等優(yōu)點(diǎn)。國(guó)內(nèi)具有**性的電子式互感器有AnyWay變頻電壓傳感器、AnyWay變頻電流傳感器和變頻功率傳感器，其中，AnyWay變頻功率傳感器屬于電壓、電流組合式互感器。該互感器的主要特點(diǎn)如下1、采用前端數(shù)字化技術(shù)，光纖傳輸，電磁兼容性好。2、幅頻特性和相頻特性好，在寬幅值、頻率、相位范圍內(nèi)均可獲得較高的測(cè)量精度。3、屬于數(shù)字式傳感器，二次儀表不會(huì)引入誤差，傳感器誤差就是系統(tǒng)誤差。 </p> <p> 額定電壓電流互感器額定電壓應(yīng)大于裝設(shè)點(diǎn)線路額定電壓 [7] 。變比應(yīng)根據(jù)一次負(fù)荷計(jì)算電流IC選擇電流互感器變比。電流互感器一次側(cè)額定電流標(biāo)準(zhǔn)比（如20、30、40、50、75、100、150、2×a/C）等多種規(guī)格，二次側(cè)額定電流通常為1A或5A。其中2×a/C表示同一臺(tái)產(chǎn)品有兩種電流比，通過(guò)改變產(chǎn)品的連接片接線方式實(shí)現(xiàn)，當(dāng)串聯(lián)時(shí)，電流比為a/c，并聯(lián)時(shí)電流比為2×a/C。一般情況下，計(jì)量用電流互感器變流比的選擇應(yīng)使其一次額定電流I1n不小于線路中的負(fù)荷電流（即計(jì)算IC）。如線路中負(fù)荷計(jì)算電流為350A，則電流互感器的變流比應(yīng)選擇400/5 上海優(yōu)惠特賣電流互感器報(bào)價(jià)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)惠特賣電流互感器報(bào)價(jià),電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167636099732514/6371676360997325149233996.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(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。 </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> 型號(hào) </p> <p> ALH-0.66 30I-I 250/110VA ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 30/50.5R2.5A 4T </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 15/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 D12 400/5XGZZ </p> <p> 型號(hào) </p> <p> ALH-0.66 30I 400/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 80III 1200/5EP </p> <p> 型號(hào) </p> <p> ALH-0.66 60II 1250/5 </p> <p> 型號(hào) </p> <p> ALH-0.66 30I 100/50.2RML </p> <p> 型號(hào) </p> <p> ALH-0.66 40I 5/5 </p> <p> 型號(hào) </p> <p> ALH-0.66 100II 1600/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 60I 1200/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 60I 600/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 60*50II 300/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 100*50II 2000/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 50II 200/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I 50/50.5R2.5VA 2T </p> <p> 型號(hào) </p> <p> ALH-0.66 80II 1200/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 40/11R2.5VA ML </p> <p> 型號(hào) </p> <p> ALH-0.66 M8-I 25/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 20/11R0.4VA </p> <p> <br /> </p> <p> 型號(hào) </p> <p> ALH-0.66 40II 100/15VAML </p> <p> 型號(hào) </p> <p> ALH-0.66 100*50II 2500/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 100II 2500/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 60III 600/50.2RML </p> <p> 型號(hào) </p> <p> ALH-0.66 50II 300/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 80*50II 2500/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 60II 1200/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 40II 600/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 75/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 150/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 M8-I 50/50.5R </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 100/1H </p> <p> 型號(hào) </p> <p> ALH-0.66 60*50II 1500/2.5M </p> <p> 型號(hào) </p> <p> ALH-0.66 50II 800/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 40I 50/5ZZ </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 60/51T </p> <p> <br /> </p> <p> 型號(hào) </p> <p> ALH-0.66 40I 100/50.5R </p> <p> <br /> </p> <p> <br /> </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 M8-II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)惠特賣電流互感器報(bào)價(jià),電流互感器" src="http://tyunfile.71360.com/WaterMark/UpLoadFile/shcmzdh/2020/2/637167636036010136/6371676360360101362181842.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 20III電流互感器.上海優(yōu)惠特賣電流互感器報(bào)價(jià)</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 120III-P電流互感器.上海優(yōu)惠特賣電流互感器報(bào)價(jià)</p><p style="text-indent:25px">多年來(lái)，[ "編程控制器", "光電傳感器", "變頻器", "軟啟動(dòng)器" ]的企業(yè)，對(duì)產(chǎn)品技術(shù)開(kāi)發(fā)投入少，大部分產(chǎn)品基本上仍停留在70～80年代的水平上。近幾年，又出現(xiàn)了許多民營(yíng)企業(yè)，據(jù)了解，新興的民營(yíng)企業(yè)技術(shù)力量欠缺，處在手工作坊式的生產(chǎn)狀態(tài)中，設(shè)備陳舊，產(chǎn)品質(zhì)量不高，但以低成本和靈活的銷售手段，在市場(chǎng)上占有一定的份額，并逐步成長(zhǎng)，在市場(chǎng)競(jìng)爭(zhēng)中也是不可忽視的力量。據(jù)相關(guān)資料顯示，中國(guó)在從事機(jī)電科技領(lǐng)域內(nèi)的技術(shù)開(kāi)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(kāi)展經(jīng)營(yíng)活動(dòng)】尤其是太陽(yáng)能方面的技術(shù)已趨于**地位，占據(jù)了全球70%以上的市場(chǎng)份額，成為重要的“國(guó)家綠色名片”之一。中國(guó)電工電氣產(chǎn)業(yè)的發(fā)展得益于強(qiáng)大的制造業(yè)基礎(chǔ)和相關(guān)的配套產(chǎn)品，在大浪淘沙的過(guò)程中，一批***的電工電氣企業(yè)脫穎而出，傳承國(guó)內(nèi)30年技術(shù)經(jīng)驗(yàn)沉淀，專注電工電氣領(lǐng)域產(chǎn)品的研發(fā)和創(chuàng)新，以及新能源應(yīng)用的市場(chǎng)開(kāi)發(fā)、推廣和普及。隨著國(guó)產(chǎn)元器件技術(shù)的不斷發(fā)展，銷售企業(yè)在“走向海外”的過(guò)程中也交出了滿意的答卷。尤其是**高技術(shù)產(chǎn)業(yè)的逆變器中國(guó)出貨量居世界***，使得更多企業(yè)依托前列技術(shù)在國(guó)際市場(chǎng)上取得***成果，相關(guān)企業(yè)的高效產(chǎn)品已覆蓋澳大利亞、巴西、德國(guó)、英國(guó)、法國(guó)、西班牙等30多個(gè)國(guó)家，成為“****”相關(guān)市場(chǎng)的重要參與者。上海優(yōu)惠特賣電流互感器報(bào)價(jià)</p><p style="text-indent:25px">上海喆和機(jī)電科技有限公司一直專注于從事機(jī)電科技領(lǐng)域內(nèi)的技術(shù)開(kāi)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(kāi)展經(jīng)營(yíng)活動(dòng)】，是一家電工電氣的企業(yè)，擁有自己**的技術(shù)體系。目前我公司在職員工達(dá)到11~50人人，是一個(gè)有活力有能力有創(chuàng)新精神的高速團(tuán)隊(duì)。誠(chéng)實(shí)、守信是對(duì)企業(yè)的經(jīng)營(yíng)要求，也是我們做人的基本準(zhǔn)則。公司致力于打造***的[ "編程控制器", "光電傳感器", "變頻器", "軟啟動(dòng)器" ]。公司力求給客戶提供全數(shù)質(zhì)量服務(wù)，我們相信誠(chéng)實(shí)正直、開(kāi)拓進(jìn)取地為公司發(fā)展做正確的事情，將為公司和個(gè)人帶來(lái)共同的利益和進(jìn)步。經(jīng)過(guò)幾年的發(fā)展，已成為[ "編程控制器", "光電傳感器", "變頻器", "軟啟動(dòng)器" ]行業(yè)出名企業(yè)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1024030.html</p></div></div></div></div></div><div id="t7ljxfo" class="page-right twoColRt"><div id="yymdlzi" 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