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src="https://tyunfile.71360.com/UploadFile/shuangying/637314760290507812/4348297.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xebdk2d" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637314760290507812/4348297.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bqszqcb" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>上海電流傳感器多少錢,電流傳感器</p><p><span>***更新：</span>2020-12-06 10:20:47</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="hgiahth" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">啟東雙贏電子科技有限公司</a></p><p><span>聯(lián)系人：</span>楊生</p><p><span>郵箱: </span>jmin_yang@126.com</p><p><span>電話: </span>18666184026</p><p><span>傳真: </span>0513_</p><p><span>網(wǎng)址: </span>http://www.qdsy-sensor.cn</p><p><span>手機(jī): </span>0513-86378688</p><p><span>地址: </span>寅陽鎮(zhèn)洪佳路8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="fzry3ri" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8vselmo" class="box"><p><p style="text-indent:25px">電流傳感器通常用于測量位置或速度，尤其是在惡劣環(huán)境中。感應(yīng)位置感測中使用的術(shù)語和技術(shù)可能令人困惑，上海電流傳感器多少錢。感應(yīng)式位置和速度傳感器有許多形狀，尺寸和設(shè)計?？梢哉f所有電流傳感器都使用變壓器原理工作，它們都使用基于交流電流的物理現(xiàn)象。這是邁克爾·法拉第在19世紀(jì)30年代初次觀察到的，當(dāng)時他發(fā)現(xiàn)一個載流導(dǎo)體可以“誘導(dǎo)”電流流入第二個導(dǎo)體，上海電流傳感器多少錢，上海電流傳感器多少錢。法拉第的發(fā)現(xiàn)構(gòu)成了現(xiàn)代電動機(jī)，發(fā)電機(jī)的基礎(chǔ)，當(dāng)然還有用于位置和速度測量的電流傳感器。電流傳感器中的互感器準(zhǔn)確度高、工藝成熟、制造方便，能滿足一般測量要求。上海電流傳感器多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海電流傳感器多少錢,電流傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314760290507812/4348297.png"></div><p> 通常情況下，電流互感器是將它的一次繞組和一次主電路串聯(lián)起來，又將二次繞組接負(fù)荷，它的變比往往是：X：5A，這里的X是指大于這個電流互感器的有可能出現(xiàn)的比較大長期負(fù)荷電流，這樣一來就可以使該設(shè)備的二次電流不會超過5A。 </p> <p> 當(dāng)在超高壓電廠中，或者是在變電站時，要是高壓配電裝置和控制室的距離不是很近的話，為了達(dá)到電流互感器的二次允許負(fù)荷得以增加的目的，需要我們將連接電纜的導(dǎo)線界面減小，并且將它的精確等級提高，這時選擇電流互感器就應(yīng)該選二次額定電流為1A的。同樣的，微機(jī)保護(hù)裝置也應(yīng)隨之變化，也要選擇使用交流電流是1A的。 </p> <p> 然而，目前按照11千伏變電站的規(guī)模來說，在選擇電流互感器上，很多都是用二次側(cè)電流是5A的。武漢電流傳感器品牌感應(yīng)式電流傳感器，它們測量線圈相對于彼此移動時的感應(yīng)耦合。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海電流傳感器多少錢,電流傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759981523437/7460069.png"></div><p style="text-indent:25px">電流傳感器的開環(huán)與閉環(huán)：環(huán)電流傳感器不*需要鐵磁芯，還需要一個線圈和額外的高功率放大器來驅(qū)動線圈。雖然閉環(huán)電流傳感器比開環(huán)架構(gòu)更復(fù)雜，但由于系統(tǒng)*在零磁場這一個工作點(diǎn)運(yùn)行，因此消除了與霍爾傳感器IC相關(guān)的靈敏度誤差。如果設(shè)計合理，閉環(huán)和開環(huán)霍爾效應(yīng)電流傳感器通常具有相同的零安培輸出電壓性能，因此兩者的零安培檢測精度非常相似。與開環(huán)解決方案相比，閉環(huán)傳感器尺寸更大，需要占用的PCB空間也更多。由于閉環(huán)傳感器在驅(qū)動補(bǔ)償線圈時需要一定的電流，因而功耗較高。此外，閉環(huán)傳感器需要額外的線圈和驅(qū)動電路，價格也比開環(huán)傳感器更昂貴。</p><p style="text-indent:25px">電流傳感器使用注意事項：（1）電流傳感器必須根據(jù)被測電流的額定有效值適當(dāng)選用不同的規(guī)格的產(chǎn)品。被測電流長時間超額，會損壞末極功放管（指磁補(bǔ)償式），一般情況下，2倍的過載電流持續(xù)時間不得超過1分鐘。（2）電壓傳感器必須按產(chǎn)品說明在原邊串入一個限流電阻R1，以使原邊得到額定電流，在一般情況下，2倍的過壓持續(xù)時間不得超過1分鐘。（3）電流電壓傳感器的比較好精度是在原邊額定值條件下得到的，所以當(dāng)被測電流高于電流傳感器的額定值時，應(yīng)選用相應(yīng)大的傳感器；當(dāng)被測電壓高于電壓傳感器的額定值時，應(yīng)重新調(diào)整限流電阻。當(dāng)被測電流低于額定值1/2以下時，為了得到比較好精度，可以使用多繞圈數(shù)的辦法。電流傳感器的溫度穩(wěn)定性很好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海電流傳感器多少錢,電流傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311259702285156/9315925.png"></div><p style="text-indent:25px">光纖電流傳感器，是基于法拉第效應(yīng)來檢測電流大小的傳感器。通過測量光波在通過磁光材料時，其偏振面由于電流產(chǎn)生磁場的作用，產(chǎn)生旋轉(zhuǎn)角度的大小，來確定電流的大小。光纖電流傳感器，體積小、質(zhì)量輕、測量帶寬、準(zhǔn)確度高、無飽和現(xiàn)象、抗電磁能力強(qiáng)等優(yōu)點(diǎn)，普遍應(yīng)用于電力系統(tǒng)中電流的測量。閉環(huán)光纖電流傳感器性能要優(yōu)于開環(huán)光纖電流傳感器，可以測量任意波形的電流、主副線圈間肯定電氣隔離、電氣測量范圍寬、響應(yīng)時間短，在交直流測量中均可應(yīng)用。光纖電流傳感器，體積小、質(zhì)量輕、測量帶寬、準(zhǔn)確度高、無飽和現(xiàn)象。武漢電流傳感器品牌</p><p style="text-indent:25px">普通電流傳感器是感性元件，接入后影響被測信號波形。上海電流傳感器多少錢</p><p style="text-indent:25px">PCB的使用使得電流傳感器可以印刷到薄的柔性基板上，這也可以消除對傳統(tǒng)電纜和連接器的需求。這種方法的靈活性 - 無論是在物理上還是從為OEM提供定制設(shè)計的能力 - 都是一個很大的優(yōu)勢。與傳統(tǒng)的電流傳感器一樣，該方法可在惡劣環(huán)境中提供可靠和精確的測量。還有一些重要的優(yōu)點(diǎn)：降低成本；提高準(zhǔn)確性；減輕重量；簡化機(jī)械工程，例如，根除軸承，密封件和襯套。緊湊的尺寸 - 與傳統(tǒng)的LVDT相比，特別是行程長度。簡化電氣接口 - 通常是直流電源和肯定數(shù)字信號。上海電流傳感器多少錢</p><p style="text-indent:25px">啟東雙贏電子科技有限公司致力于電子元器件，是一家生產(chǎn)型公司。公司業(yè)務(wù)涵蓋電流傳感器，霍爾傳感器，電流互感器，漏電流傳感器等，價格合理，品質(zhì)有保證。公司秉持誠信為本的經(jīng)營理念，在電子元器件深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢，打造電子元器件良好品牌。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2291334.html</p></div></div></div></div></div><div id="sg3vefr" class="page-right twoColRt"><div id="77e4qry" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dnzbsjq" class="recomPic likePro"><a href="http://m.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="8i73mel" class="recomPic likePro"><a 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