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tcPro"><section class="home-main container clearfix"><div id="xgip22m" class="twoCol"><div id="vkholiu" 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-_dzyqj/">電子元器件</a>?<a href="http://www.cdcfah.com/cp/second-dzyqj_chuanganqisr/">傳感器</a>?<a href="http://www.cdcfah.com/cp/third-chuanganqisr_hecgq/">霍爾傳感器</a>?杭州精密電流傳感器歡迎來(lái)電啟東雙贏電子科技供應(yīng)</p><div id="rqspwie" class="leftbox clearfix"><h1>杭州精密電流傳感器歡迎來(lái)電啟東雙贏電子科技供應(yīng)</h1><div id="shoq7wa" class="proBig"><div id="xw8kqnp" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637311259702285156/9315925.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="yik3ytv" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637311259702285156/9315925.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hwdp3zg" 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>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>杭州精密電流傳感器,電流傳感器</p><p><span>***更新：</span>2021-02-05 14:14:55</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3x3q878" 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(yáng)鎮(zhèn)洪佳路8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="udpryug" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="hbikgif" class="box"><p><p style="text-indent:25px">磁平衡式霍爾電流傳感器，杭州精密電流傳感器，又叫閉環(huán)霍爾電流傳感器、零磁通霍爾電流傳感器、零磁通互感器磁平衡式霍爾電流傳感器是依據(jù)磁場(chǎng)平衡原理工作的。原邊電流在聚磁環(huán)處所產(chǎn)生的磁場(chǎng)，使得霍爾元件上產(chǎn)生電壓偏差；電壓信號(hào)傳遞給放大器后，經(jīng)過(guò)放大的電流信號(hào)輸送給次級(jí)線圈（下圖中紅色繞組），在次級(jí)線圈上感應(yīng)出的電流所產(chǎn)生的磁場(chǎng)，方向與原邊磁場(chǎng)相反。經(jīng)過(guò)反復(fù)調(diào)整放大器輸出電壓，原邊產(chǎn)生的磁場(chǎng)與次級(jí)線圈產(chǎn)生的磁場(chǎng)在氣隙處互相抵消，從而使得半導(dǎo)體薄片處于零磁通的環(huán)境中。達(dá)到這種平衡狀態(tài)以后，檢測(cè)放大器輸出電流，杭州精密電流傳感器，推算得到原邊回路電流值。磁平衡式霍爾電流傳感器的優(yōu)點(diǎn)是精度高、響應(yīng)時(shí)間快，杭州精密電流傳感器、溫漂小、線性度好及抗干擾能力強(qiáng)。缺點(diǎn)是測(cè)量范圍較固定，成本、能耗較高。電流傳感器解決了傳遞變送器價(jià)昂體積大還要配用互感器的缺陷。杭州精密電流傳感器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州精密電流傳感器,電流傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311259702285156/9315925.png"></div><p style="text-indent:25px">直流電流傳感器的精度。?電流傳感器效應(yīng)傳感器的精度取決于標(biāo)準(zhǔn)額定電流IPN，在+25℃時(shí)，傳感器測(cè)量精度與原邊電流有一定影響，同時(shí)評(píng)定傳感器精度時(shí)還必須考慮偏移電流，線性度，溫度漂移的影響。?樣的TMR磁傳感器的應(yīng)用。電流傳感器的鏈接方式：霍爾電流傳感器、電壓傳感器只需外接正負(fù)直流電源，被測(cè)電流母線一般從傳感器中穿過(guò)或接于原邊端子，然后在副邊端再作一些簡(jiǎn)單的連接即可完成主控制電路的隔離檢測(cè)，電路設(shè)計(jì)非常簡(jiǎn)單。與變送器配合使用，經(jīng)A/D轉(zhuǎn)換后，可方便地與計(jì)算機(jī)或各種儀表接口，并可以進(jìn)行長(zhǎng)距離傳輸。杭州精密電流傳感器電流傳感器的分流器的另一個(gè)優(yōu)勢(shì)是，它可用來(lái)測(cè)量直流(DC)電流。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州精密電流傳感器,電流傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759981523437/7460069.png"></div><p style="text-indent:25px">AMR 磁阻電流傳感器工作原理：巨磁電阻效應(yīng)（GMR），與 AMR 效應(yīng)相比， GMR 效應(yīng)具有更大的磁電阻變化率。磁性材料的電阻率在有外磁場(chǎng)作用時(shí)，較之無(wú)外磁場(chǎng)作用時(shí)存在巨大變化。這種現(xiàn)象在坡莫合金和鐵磁性材料中非常明顯。這種電流檢測(cè)手段，單從理論上描述，情形與前面的“各向異性磁電阻”非常近似，但其具體結(jié)構(gòu)形式相差很大。巨磁阻元件對(duì)微弱磁場(chǎng)的敏感性更高，可以精確的測(cè)量直流和交流電流，具有尺寸小、寬響應(yīng)頻率、無(wú)殘余磁場(chǎng)等優(yōu)點(diǎn)，但是工藝相對(duì)復(fù)雜，成本也較高。主要用于高精度小電流的測(cè)量。</p><p style="text-indent:25px">直流電流傳感器的負(fù)載電阻結(jié)構(gòu)：應(yīng)用要求的性能在ppm數(shù)量級(jí)。**導(dǎo)線設(shè)計(jì)可提供比較高精度，但其價(jià)格限制了它在比較好的DCCTs中的使用。當(dāng)今市場(chǎng)上有電阻可以提供所需的性能。將軋制的金屬箔與基底相連，以盡力抵消兩者的應(yīng)力效應(yīng)，將抵消后的結(jié)果作為電阻的整體性能之一。以下的描述中*考慮這種技術(shù)。通常認(rèn)為金屬具有防潮性。*考慮負(fù)載電阻的精密度是不夠的，還必須考慮它的功率耗散。作為部件，其性能可由TC和功率耗散（功率熱阻，后者稱為 a，單位為K/Watt）引起的溫度上升量計(jì)算出。實(shí)際應(yīng)用中，任何電阻的性能均是由電阻元素（箔或?qū)Ь€）的穩(wěn)定性、熱力、機(jī)械包裝和裝配組合而成。直流電流傳感器的負(fù)載電阻功率系數(shù)，隨著電阻的耗散功率增大。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州精密電流傳感器,電流傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311259673759765/763495.png"></div><p style="text-indent:25px">電流傳感器不間斷供電系統(tǒng)始終保持高效的運(yùn)作，在特定環(huán)境下，選擇雙轉(zhuǎn)換在線式可能更為合適。特別是在 AC 電源高度失真和具有極大電壓變化的地理區(qū)域，雙轉(zhuǎn)換在線式 UPS 無(wú)需頻繁轉(zhuǎn)換到電池供電即可維持正常輸出。較低的電池使用率可以保存電池容量以應(yīng)對(duì)長(zhǎng)時(shí)間的斷電事故，并延長(zhǎng)電池使用壽命。此外，降低電池更換成本可以抵消在線互動(dòng)式 UPS 低初始成本和低運(yùn)營(yíng)成本的優(yōu)勢(shì)。在某些特殊的情況下可能需要使用雙轉(zhuǎn)換在線式 UPS，比如對(duì)于某些醫(yī)療設(shè)備或儀器，需要進(jìn)行功率因數(shù)校正(PFC)、要求較小的物理尺寸或需要進(jìn)行頻率轉(zhuǎn)換等等。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(cè)量要求。杭州精密電流傳感器</p><p style="text-indent:25px">在電流傳感器中，通常是穿過(guò)繞組孔的金屬桿。杭州精密電流傳感器</p><p style="text-indent:25px">電流傳感器的特性：1，標(biāo)準(zhǔn)額定值IPN和額定輸出電流ISN。?IPN指電流傳感器所能測(cè)試的標(biāo)準(zhǔn)額定值，用有效值表示（Arms），IPN的大小與傳感器產(chǎn)品的型號(hào)有關(guān)，ISN指電流傳感器額定輸出電流，一般為10~400mA，當(dāng)然根據(jù)某些型號(hào)具體可能會(huì)有所不同。?2，偏移電流ISO。?偏移電流也叫殘余電流或剩余電流，它主要是由元件或電子電路中運(yùn)算放大器工作狀態(tài)不穩(wěn)造成的，電流傳感器在生產(chǎn)時(shí)，在25℃，IP=0時(shí)的情況下，偏移電流已調(diào)至比較小，但傳感器在離開(kāi)生產(chǎn)線時(shí)，都會(huì)產(chǎn)生一定大小的偏移電流，產(chǎn)品技術(shù)文檔中提到的精度已考慮了偏移電流增加的影響。???杭州精密電流傳感器</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3177972.html</p></div></div></div></div></div><div id="srdf7xe" class="page-right twoColRt"><div id="fu24zq7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="srtaryk" 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" 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