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class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<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?，F(xiàn)貨銷售電流互感器銷售廠家歡迎來電上海喆和機(jī)電科技供應(yīng)</p><div id="mfcjg72" class="leftbox clearfix"><h1>上海現(xiàn)貨銷售電流互感器銷售廠家歡迎來電上海喆和機(jī)電科技供應(yīng)</h1><div id="aikrya3" class="proBig"><div id="vdpr2i3" class="bigimg"><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 id="n7877mt" 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="sl7njls" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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?，F(xiàn)貨銷售電流互感器銷售廠家,電流互感器</p><p><span>***更新：</span>2021-01-25 13:03:37</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="zapwda8" 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</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="ucz39ry" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="139jbip" class="box"><p><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，上海現(xiàn)貨銷售電流互感器銷售廠家、寬頻帶等優(yōu)點。國內(nèi)具有代表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如下1，上?，F(xiàn)貨銷售電流互感器銷售廠家、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)均可獲得較高的測量精度。3、屬于數(shù)字式傳感器，二次儀表不會引入誤差，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)點線路額定電壓 [7] 。變比應(yīng)根據(jù)一次負(fù)荷計算電流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，上?，F(xiàn)貨銷售電流互感器銷售廠家，二次側(cè)額定電流通常為1A或5A。其中2×a/C表示同一臺產(chǎn)品有兩種電流比，通過改變產(chǎn)品的連接片接線方式實現(xiàn)，當(dāng)串聯(lián)時，電流比為a/c，并聯(lián)時電流比為2×a/C。一般情況下，計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（即計算IC）。如線路中負(fù)荷計算電流為350A，則電流互感器的變流比應(yīng)選擇400/5 上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 120*65II電流互感器.上?，F(xiàn)貨銷售電流互感器銷售廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上?，F(xiàn)貨銷售電流互感器銷售廠家,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087883095803/6371670878830958036124787.png"></div><p> 電流互感器ε%誤差曲線校驗步驟：⑴按照保護(hù)裝置類型計算流過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、變比和一次電流倍數(shù)，在10%誤差曲線上確定電流互感器的允許二次負(fù)荷⑶按照對電流互感器二次負(fù)荷**嚴(yán)重的短路類型，計算電流互感器的實際二次負(fù)荷⑷比較實際二次負(fù)荷與允許二次負(fù)荷。如實際二次負(fù)荷小于允許二次負(fù)荷，表示電流互感器的誤差不超過10%誤差：1）增大連接導(dǎo)線截面或縮短連接導(dǎo)線長度，以減小實際二次負(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，使允許二次負(fù)荷增大一倍。動、熱穩(wěn)定度需校驗電流互感器的動穩(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動穩(wěn)定和熱定度即可。1）動穩(wěn)定度校驗Kes×I1N≥2）熱穩(wěn)定度校驗（KtI1n)2t≥I⑶∞tima式中，t為熱穩(wěn)定電流時間。額定容量電流互感器二次額定容量要大于實際二次負(fù)載，實際二次負(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)載阻抗又影響測量或控制精度。負(fù)載阻抗主要受測量儀表和繼電器線圈電阻、電抗及接線接觸電阻、二次連接導(dǎo)線電阻的影響。上海定制電流互感器廠家供應(yīng)上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 80II-P電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上?，F(xiàn)貨銷售電流互感器銷售廠家,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APT原廠電流互感器，交貨快，款式種類多，個性化定制等。 </p> <p> 型號 </p> <p> ALH-0.66 30I-I 250/110VA ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 30/50.5R2.5A 4T </p> <p> 型號 </p> <p> ALH-0.66 30I-I 15/5ML </p> <p> 型號 </p> <p> ALH-0.66 D12 400/5XGZZ </p> <p> 型號 </p> <p> ALH-0.66 30I 400/5ML </p> <p> 型號 </p> <p> ALH-0.66 80III 1200/5EP </p> <p> 型號 </p> <p> ALH-0.66 60II 1250/5 </p> <p> 型號 </p> <p> ALH-0.66 30I 100/50.2RML </p> <p> 型號 </p> <p> ALH-0.66 40I 5/5 </p> <p> 型號 </p> <p> ALH-0.66 100II 1600/1ML </p> <p> 型號 </p> <p> ALH-0.66 60I 1200/5ML </p> <p> 型號 </p> <p> ALH-0.66 60I 600/5ML </p> <p> 型號 </p> <p> ALH-0.66 60*50II 300/5ML </p> <p> 型號 </p> <p> ALH-0.66 100*50II 2000/1ML </p> <p> 型號 </p> <p> ALH-0.66 50II 200/5ML </p> <p> 型號 </p> <p> ALH-0.66 30I 50/50.5R2.5VA 2T </p> <p> 型號 </p> <p> ALH-0.66 80II 1200/1ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 40/11R2.5VA ML </p> <p> 型號 </p> <p> ALH-0.66 M8-I 25/5ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 20/11R0.4VA </p> <p> <br /> </p> <p> 型號 </p> <p> ALH-0.66 40II 100/15VAML </p> <p> 型號 </p> <p> ALH-0.66 100*50II 2500/1ML </p> <p> 型號 </p> <p> ALH-0.66 100II 2500/1ML </p> <p> 型號 </p> <p> ALH-0.66 60III 600/50.2RML </p> <p> 型號 </p> <p> ALH-0.66 50II 300/5ML </p> <p> 型號 </p> <p> ALH-0.66 80*50II 2500/5ML </p> <p> 型號 </p> <p> ALH-0.66 60II 1200/1ML </p> <p> 型號 </p> <p> ALH-0.66 40II 600/1ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 75/1ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 150/1ML </p> <p> 型號 </p> <p> ALH-0.66 M8-I 50/50.5R </p> <p> 型號 </p> <p> ALH-0.66 30I-I 100/1H </p> <p> 型號 </p> <p> ALH-0.66 60*50II 1500/2.5M </p> <p> 型號 </p> <p> ALH-0.66 50II 800/1ML </p> <p> 型號 </p> <p> ALH-0.66 40I 50/5ZZ </p> <p> 型號 </p> <p> ALH-0.66 30I-I 60/51T </p> <p> <br /> </p> <p> 型號 </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 /> </p><p> 電氣調(diào)試是電力工作中一項重要的內(nèi)容，在電氣調(diào)試工作中，二次回路檢查又是一項重要的調(diào)試內(nèi)容，它是關(guān)系到電力系統(tǒng)的測量、保護(hù)、通訊等功能能否發(fā)揮作用的前提。在二次回路中，電流互感器的接線是否正確又是電流二次回路是否正確的基礎(chǔ)，所以電流互感器的接線正確性非常重要。很多電氣調(diào)試人員對它沒有深刻的理解，經(jīng)常搞錯，造成諸如差動保護(hù)誤動作、電度表反轉(zhuǎn)等。下面對這個問題做一個***、細(xì)致的論述。電氣調(diào)試是電力工作中一項重要的內(nèi)容，在電氣調(diào)試工作中，二次回路檢查又是一項重要的調(diào)試內(nèi)容，它是關(guān)系到電力系統(tǒng)的測量、保護(hù)、通訊等功能能否發(fā)揮作用的前提。在二次回路中，電流互感器的接線是否正確又是電流二次回路是否正確的基礎(chǔ)，所以電流互感器的接線正確性非常重要。很多電氣調(diào)試人員對它沒有深刻的理解，經(jīng)常搞錯，造成諸如差動保護(hù)誤動作、電度表反轉(zhuǎn)等。下面對這個問題做一個***、細(xì)致的論述。電流互感器的結(jié)構(gòu)較為簡單，由相互絕緣的一次繞組、二次繞組、鐵心以及構(gòu)架、殼體、接線端子等組成。其工作原理與變壓器基本相同，一次繞組的匝數(shù)(N1)較少，直接串聯(lián)于電源線路中，一次負(fù)荷電流。上海喆和定制銷售西門子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?，F(xiàn)貨銷售電流互感器銷售廠家,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087835529280/6371670878355292804681260.png"></div><p> 電流互感器二次開路電壓特性 </p> <p> 對每一種電流互感器，二次開路電壓隨著一次電流的變化，都有嚴(yán)格的對應(yīng)關(guān)系，*以一次額定電流時的二次開路電壓值說明。對母線穿心式150／5的電流互感器，當(dāng)穿心電流為額定值時，不同品種的電流互感器二次開路電壓為2．6～2；4V。80條二次開路電壓特性曲線的規(guī)律是：一次穿心電流從0A增至150A時，二次開路電壓開始上升幅度很大，30A以后增加甚小(即使從150A增至800A，二次開路電壓平均只上升0．2V)。 </p> <p> 母線穿心式200/5的電流互感器，二次開路電壓是3．9～6．5V；母線穿心式 300／5—2000／5的電流互感器，二次開路電壓為6．5～37．2V。 </p> <p> LQG系列從30／5—600／5的電流互感器，二次開路電壓是12．8～21．4V。 </p> <p> 變電站用的LQJ，LFC，LFCD系列50／5～300／5的電流互感器，二次開路電壓是18～121．3V。 </p> <p> 在第二次伏安特實驗臺上，利用調(diào)壓器、電流表、導(dǎo)線將所有的電流互感器二次線圈分別接人調(diào)壓器的輸出端，當(dāng)二次輸入5A電流時，測得二次電壓和一次加額定電流時測得的二次開路電壓都有嚴(yán)格的對應(yīng)關(guān)系。若用公式計算，二次開路電壓等于二次閉路轉(zhuǎn)為開路一次電壓的增量乘以變化。從正反兩方面實驗和法拉第電磁感應(yīng)定律推導(dǎo)結(jié)論證明了二次開路電壓測試值的真實性上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 80I電流互感器.上海現(xiàn)貨銷售電流互感器銷售廠家</p><p style="text-indent:25px">上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 130*50II電流互感器.上?，F(xiàn)貨銷售電流互感器銷售廠家</p><p style="text-indent:25px"> 上海喆和銷售西門子電流互感器。100多年來的傳統(tǒng)結(jié)論與科技進(jìn)步、材料更新、結(jié)構(gòu)變化、工藝革新的現(xiàn)代新型電流互感器的實際二次開路電壓相比存在著巨大差別，所以傳統(tǒng)結(jié)論應(yīng)當(dāng)修正。二、電流互盛器二次開路時發(fā)熱情況分析對母線穿心式電流互感器，根據(jù)焦耳—楞次定律Q=I2Rt，二次開路時由I2=0，Q2=0，所以二次線圈不會發(fā)熱。但是，當(dāng)二次線圈由閉路轉(zhuǎn)為開路時，母線上功耗增大。對母線穿心式150／5的電流互感器一次電流為額定值時，經(jīng)過計算其功耗增量**小為9W，額定為17W。由于母線粗長，散熱忍受力好，不會發(fā)熱。所有母線穿心式電流互感器在變流實驗臺上斷續(xù)運行長達(dá)2年半之久，從未發(fā)現(xiàn)燒壞一例，充分體現(xiàn)了目前實用新型電流互感器發(fā)熱特性與傳統(tǒng)結(jié)論截然不同。已被平度淘汰的LQG系列電流互感器在交流實驗臺上進(jìn)行證明，當(dāng)一次線圈電流為額定值時，二次線圈開路，保持一次電流仍為額定電流，雖然二次線圈不會發(fā)熱，但一次線圈功耗量增大。例如44號30／5的電流互感器，其一次壓降增量為2．5V，功耗增大75W，一次線圈略微發(fā)熱。上海現(xiàn)貨銷售電流互感器銷售廠家</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力背景、信譽(yù)可靠、勵精圖治、展望未來、有夢想有目標(biāo)，有組織有體系的公司，堅持于帶領(lǐng)員工在未來的道路上大放光明，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，一直以來，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠實守信的方針，員工精誠努力，協(xié)同奮取，以品質(zhì)、服務(wù)來贏得市場，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3006227.html</p></div></div></div></div></div><div id="jn8czbi" class="page-right twoColRt"><div id="las2y32" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ky8npry" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="hqikw7z" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" 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