上海上海二工電流互感器信息推薦歡迎來(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(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 電流互感器ε%誤差曲線(xiàn)校驗(yàn)步驟：⑴按照保護(hù)裝置類(lèi)型計(jì)算流過(guò)電流互感器的一次電流倍數(shù)⑵根據(jù)電流互感器的型號(hào)、變比和一次電流倍數(shù)，在10%誤差曲線(xiàn)上確定電流互感器的允許二次負(fù)荷⑶按照對(duì)電流互感器二"><meta name="keywords" content="上海上海二工電流互感器信息推薦,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 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class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UpLoadFile/shcmzdh/2020/2/637167087454347244/6371670874543472446544135.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="39szbvw" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UpLoadFile/shcmzdh/2020/2/637167087454347244/6371670874543472446544135.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zxp4w7k" 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信息推薦,電流互感器</p><p><span>***更新：</span>2020-11-03 14:04:57</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="dqs9mzw" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="3ls47w4" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="tvcbxjq" class="box"><p><p> 電流互感器ε%誤差曲線(xiàn)校驗(yàn)步驟：⑴按照保護(hù)裝置類(lèi)型計(jì)算流過(guò)電流互感器的一次電流倍數(shù)⑵根據(jù)電流互感器的型號(hào)、變比和一次電流倍數(shù)，在10%誤差曲線(xiàn)上確定電流互感器的允許二次負(fù)荷⑶按照對(duì)電流互感器二次負(fù)荷**嚴(yán)重的短路類(lèi)型，計(jì)算電流互感器的實(shí)際二次負(fù)荷⑷比較實(shí)際二次負(fù)荷與允許二次負(fù)荷。如實(shí)際二次負(fù)荷小于允許二次負(fù)荷，表示電流互感器的誤差不超過(guò)10%誤差：1）增大連接導(dǎo)線(xiàn)截面或縮短連接導(dǎo)線(xiàn)長(zhǎng)度，上海上海二工電流互感器信息推薦，以減小實(shí)際二次負(fù)荷2）選擇比較大的電流互感器，減小一次電流倍數(shù)，增大允許二次負(fù)荷3）將電流互感器的二次繞組串聯(lián)起來(lái)，上海上海二工電流互感器信息推薦，上海上海二工電流互感器信息推薦，使允許二次負(fù)荷增大一倍。動(dòng)、熱穩(wěn)定度需校驗(yàn)電流互感器的動(dòng)穩(wěn)定度和熱穩(wěn)定度[9]，廠家的產(chǎn)品技術(shù)參數(shù)中都給出了動(dòng)穩(wěn)定倍數(shù)Kes和熱穩(wěn)定倍數(shù)Kt，因此按下列公式分別校驗(yàn)動(dòng)穩(wěn)定和熱定度即可。1）動(dòng)穩(wěn)定度校驗(yàn)Kes×I1N≥2）熱穩(wěn)定度校驗(yàn)（KtI1n)2t≥I⑶∞tima式中，t為熱穩(wěn)定電流時(shí)間。額定容量電流互感器二次額定容量要大于實(shí)際二次負(fù)載，實(shí)際二次負(fù)載應(yīng)為25～**二次額定容量。容量決定二次側(cè)負(fù)載阻抗，負(fù)載阻抗又影響測(cè)量或控制精度。負(fù)載阻抗主要受測(cè)量?jī)x表和繼電器線(xiàn)圈電阻、電抗及接線(xiàn)接觸電阻、二次連接導(dǎo)線(xiàn)電阻的影響。上海喆和定制銷(xiāo)售西門(mén)子APT（原上海二工）ALH-0.66 80*60II-P電流互感器.上海上海二工電流互感器信息推薦</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信息推薦,電流互感器" src="http://tyunfile.71360.com/WaterMark/UpLoadFile/shcmzdh/2020/2/637167087454347244/6371670874543472446544135.png"></div><p> 上海喆和定制銷(xiāo)售西門(mén)子電流互感器ALH-0.66系列。 </p> <p> 電流互感器1次側(cè)只有1到幾匝，導(dǎo)線(xiàn)截面積大，串入被測(cè)電路。2次側(cè)匝數(shù)多，導(dǎo)線(xiàn)細(xì)，與阻抗較小的儀表(電流表/功率表的電流線(xiàn)圈）構(gòu)成閉路。電流互感器的運(yùn)行情況相當(dāng)于2次側(cè)短路的變壓器，忽略勵(lì)磁電流，安匝數(shù)相等I1N1=I2N2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I1/I2=N2/N1=k。勵(lì)磁電流是誤差的主要根源。測(cè)量用電流互感器的精度等級(jí)0.2/0.5/1/3,1表示變比誤差不超過(guò)±1%，另外還有0.2S和0.5S級(jí)。2、保護(hù)用電流互感器保護(hù)用電流互感器分為：1.過(guò)負(fù)荷保護(hù)電流互感器，2.差動(dòng)保護(hù)電流互感器，3.接地保護(hù)電流互感器（零序電流互感器）保護(hù)用電流互感器主要與繼電裝置配合，在線(xiàn)路發(fā)生短路過(guò)載等故障時(shí)，向繼電裝置提供信號(hào)切斷故障電路，以保護(hù)供電系統(tǒng)的安全。保護(hù)用電流互感器的工作條件與測(cè)量用電流保護(hù)用電流互感器互感器完全不同，保護(hù)用互感器只是在比正常電流大幾倍幾十倍的電流時(shí)才開(kāi)始有效的工作。保護(hù)用互感器主要要求：1.絕緣可靠，2.足夠大的準(zhǔn)確限值系數(shù)，3.足夠的熱穩(wěn)定性和動(dòng)穩(wěn)定性。上海上海二工電流互感器信息推薦上海喆和定制銷(xiāo)售西門(mén)子APT（原上海二工）ALH-0.66 125*60II-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信息推薦,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087973056246/6371670879730562466968566.png"></div><p> 上海喆和銷(xiāo)售西門(mén)子電流互感器ALH-0.66系列 </p> <p> 測(cè)量用電流互感器的精度等級(jí)±1%，另外還有。保護(hù)用電流互感器的精度等級(jí)5P/10P，10P標(biāo)示復(fù)合誤差不超過(guò)10%。折疊保護(hù)用電流互感器保護(hù)用電流互感器主要與繼電裝置配合，在線(xiàn)路發(fā)生短路過(guò)載等故障時(shí)，向繼電裝置提供信號(hào)切斷故障電路，以保護(hù)供電系統(tǒng)的安全。保護(hù)用微型電流互感器的工作條件與測(cè)量用互感器完全不同，保護(hù)用互感器只是在比正常電流大幾倍幾十倍的電流時(shí)才開(kāi)始有效的工作。保護(hù)用互感器主要要求：1.絕緣可靠，2.足夠大的準(zhǔn)確限值系數(shù)，3.足夠的熱穩(wěn)定性和動(dòng)穩(wěn)定性。保護(hù)用互感器在額定負(fù)荷下能夠滿(mǎn)足準(zhǔn)確級(jí)的要求比較大一次電流叫額定準(zhǔn)確限值一次電流。準(zhǔn)確限值系數(shù)就是額定準(zhǔn)確限值一次電流與額定一次電流比。當(dāng)一次電流足夠大時(shí)鐵芯就會(huì)飽和起不到反映一次電流的作用，準(zhǔn)確限值系數(shù)就是表示這種特性。保護(hù)用互感器準(zhǔn)確等級(jí)5P、10P，表示在額定準(zhǔn)確限值一次電流時(shí)的允許誤差5%、10%線(xiàn)路發(fā)生故障時(shí)的沖擊電流產(chǎn)生熱和電磁力，保護(hù)用電流互感器必須承受。二次繞組短路情況下，電流互感器在一秒內(nèi)能承受而無(wú)損傷的一次電流有效值，稱(chēng)額定短時(shí)熱電流。 </p><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-0.66 100*50II 2500/5M </p> <p> 型號(hào) ALH-0.66 60II 150/1ML </p> <p> 型號(hào) ALH-0.66 30I-I 150/5ML </p> <p> 型號(hào) ALH-0.66 100II 2500/5ML </p> <p> 型號(hào) ALH-0.66 60*50II 2500/1ML </p> <p> 型號(hào) ALH-0.66 30I-I 30/11R0.4VA </p> <p> 型號(hào) ALH-0.66 30I-I 150/1H </p> <p> 型號(hào) ALH-0.66 80II 150/5ML </p> <p> 型號(hào) ALH-0.66 50II 800/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 50/50.5RML </p> <p> 型號(hào) ALH-0.66 40I 100/5ZZ </p> <p> 型號(hào) ALH-0.66 40I 15/5ZZ </p> <p> 型號(hào) ALH-0.66 120*50II 5000/5M </p> <p> 型號(hào) ALH-0.66 40I 200/50.2R2.5V </p> <p> 型號(hào) ALH-0.66 30I 100/1ML </p> <p> 型號(hào) ALH-0.66 80I 250/5 </p> <p> 型號(hào) ALH-0.66 100II 1200/5ML </p> <p> 型號(hào) ALH-0.66 40I 300/5ZZ </p> <p> 型號(hào) ALH-0.66 M8-II 20/50.5R </p> <p> 型號(hào) ALH-0.66 100*50II 1000/5M </p> <p> 型號(hào) ALH-0.66 D12 150/5XGZZ </p> <p> 型號(hào) ALH-0.66 30I-I 30/11R2.5VA </p> <p> 型號(hào) ALH-0.66 80II 250/5ML </p> <p> 型號(hào) ALH-0.66 40I 350/5ML </p> <p> 型號(hào) ALH-0.66 80*50II 200/5ML </p> <p> 型號(hào) ALH-0.66 80*50II 1000/5ML </p> <p> 型號(hào) ALH-0.66 60I 350/5 </p> <p> 型號(hào) ALH-0.66 60II 750/5ML </p> <p> 型號(hào) ALH-0.66 100II I3000/5ML </p> <p> 型號(hào) ALH-0.66 80*50II 2000/2.5M </p> <p> 型號(hào) ALH-0.66 30I-I 150/5H </p> <p> 型號(hào) ALH-0.66 M8-I 5/5ML </p> <p> 型號(hào) ALH-0.66 40II 630/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 30/5ML </p> <p> 型號(hào) ALH-0.66 60II 100/5ML </p> <p> 型號(hào) ALH-0.66 50II 600/1ML </p> <p> 型號(hào) ALH-0.66 30I-I 20/1ML </p> <p> 型號(hào) ALH-0.66 30I 150/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 25/50.5R2.5 上海喆和定制銷(xiāo)售西門(mén)子APT（原上海二工）ALH-0.66 30III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信息推薦,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087835529280/6371670878355292804681260.png"></div><p> 上海喆和定制銷(xiāo)售西門(mén)子APT原廠電流互感器，交貨快，款式種類(lèi)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(xiāo)售西門(mén)子APT（原上海二工）ALH-0.66 100*50II電流互感器.上海APT電流互感器信息推薦</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 80III電流互感器.上海上海二工電流互感器信息推薦</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(xiàn)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(xiàn)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(chēng)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(chēng)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(chēng)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信息推薦</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(kāi)發(fā)、技術(shù)咨詢(xún)、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(mén)的批發(fā)、零售?！疽婪毥?jīng)批準(zhǔn)的項(xiàng)目,經(jīng)相關(guān)部門(mén)批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng)】的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷(xiāo)售為一體的專(zhuān)業(yè)化公司。上海喆和機(jī)電科作為從事機(jī)電科技領(lǐng)域內(nèi)的技術(shù)開(kāi)發(fā)、技術(shù)咨詢(xún)、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(mén)的批發(fā)、零售?！疽婪毥?jīng)批準(zhǔn)的項(xiàng)目,經(jīng)相關(guān)部門(mén)批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng)】的企業(yè)之一，為客戶(hù)提供良好的編程控制器，光電傳感器，變頻器，軟啟動(dòng)器。上海喆和機(jī)電科不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶(hù)創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。上海喆和機(jī)電科始終關(guān)注電工電氣行業(yè)。滿(mǎn)足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br 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