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class="proBig"><div id="h4amtah" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637314759974326172/7404453.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fho73jd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637314759974326172/7404453.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zg24gxu" 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>廣州電焊機(jī)電流傳感器,電流傳感器</p><p><span>***更新：</span>2020-12-05 06:14:57</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="puiskmj" 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(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="gvnzrya" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="323qzq2" class="box"><p><p style="text-indent:25px">如何選擇電流傳感器的開環(huán)與閉環(huán)呢？開環(huán)與閉環(huán)傳感器的選擇需要考慮精度和響應(yīng)時(shí)間。如果應(yīng)用要求高精度，通常選擇閉環(huán)電流傳感器，它可以消除上面談到的系統(tǒng)靈敏度非線性誤差，廣州電焊機(jī)電流傳感器。在某些應(yīng)用中，需要快速響應(yīng)來保護(hù)IGBT和MOSFET等半導(dǎo)體器件，廣州電焊機(jī)電流傳感器，以便能夠更好地控制應(yīng)用中的電流。如果能夠具有足夠的精度和響應(yīng)速度，由于其尺寸、功耗等方面的先天優(yōu)勢，開環(huán)傳感器也是一種理想的選擇。目前市場上已經(jīng)開發(fā)出這種全新的開環(huán)解決方案，廣州電焊機(jī)電流傳感器，體積更小，具備高精度和快速的響應(yīng)，對(duì)比閉環(huán)解決方案更經(jīng)濟(jì)實(shí)惠。電流傳感器的分流器的另一個(gè)優(yōu)勢是，它可用來測量直流(DC)電流。廣州電焊機(jī)電流傳感器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州電焊機(jī)電流傳感器,電流傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759974326172/7404453.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(gè)線圈和額外的高功率放大器來驅(qū)動(dòng)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(gè)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(jì)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(dòng)補(bǔ)償線圈時(shí)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(dòng)電路，價(jià)格也比開環(huán)傳感器更昂貴。廣州電焊機(jī)電流傳感器電流傳感器不間斷供電系統(tǒng)始終保持高效的運(yùn)作。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州電焊機(jī)電流傳感器,電流傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759955478516/5167291.png"></div><p style="text-indent:25px">電流傳感器中的分流器測量電流的基本原理是歐姆定律，是通過被測電流電路中串聯(lián)電阻兩端的電壓來測量直流電流。它的結(jié)構(gòu)簡單，使用方便，在低頻小電流測量中，具有非常高的精度和快的響應(yīng)時(shí)間，在大電流測量中，會(huì)有很大的誤差。因?yàn)榉至髌鞯牟牧弦话闶倾~的合金，為了測量準(zhǔn)確，導(dǎo)體電阻不宜過小，但大電流會(huì)產(chǎn)生大量歐姆熱；如果減小導(dǎo)體電阻，又勢必增加分流器的尺寸，降低精度，提高生產(chǎn)的成本。一般分流器更適合于偏小的電流測量。</p><p style="text-indent:25px">電流傳感器的磁平衡（補(bǔ)償）式接線法：磁平衡（補(bǔ)償）式電流、電壓傳感器/變換器有HNC、HNV兩系列：其輸出信號(hào)多為電流。（若需要電壓輸出方式，可在M端與電流地之間根據(jù)所需電壓大小外接取樣電阻或?qū)⑷与妷哼M(jìn)行必要的信號(hào)放大。）該類常規(guī)傳感器的3個(gè)接線端子分別為：正電源輸入接“+”端，負(fù)電源輸入接“-”端，“M”端為信號(hào)輸出端。電流傳感器的磁平衡式接線法也是工作時(shí)所使用的方法之一，是比較常見的。在生產(chǎn)環(huán)境中使用的較多一些。可變磁阻的電流傳感器通常用于傳統(tǒng)開關(guān)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州電焊機(jī)電流傳感器,電流傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311259570742187/4973087.png"></div><p style="text-indent:25px">電流傳感器中包含電流互感器。電流互感器是用來測量、保護(hù)、監(jiān)控用電設(shè)備的重要器件，普遍應(yīng)用于電力系統(tǒng)中，電流互感器的可靠性與整個(gè)系統(tǒng)的安全運(yùn)行非常緊密。電流互感器的基本原理：通過設(shè)計(jì)原邊與副邊的繞組匝數(shù)關(guān)系，用副邊的感應(yīng)電流值的大小去反應(yīng)原邊電流值的大小。由于電流互感器的特性，二次負(fù)載阻抗很小，接近于零，所以，對(duì)外部電路的要求較低。這是一種常見的交流測量方式。準(zhǔn)確度高、工藝成熟、制造方便，能滿足一般測量要求。電流傳感器是一種有源模塊，如電流器件、運(yùn)放、末級(jí)功率管，都需要工作電源，并且還有功耗。杭州中旭電流傳感器</p><p style="text-indent:25px">電流傳感器的特性是標(biāo)準(zhǔn)額定值IPN和額定輸出電流ISN。廣州電焊機(jī)電流傳感器</p><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)長時(shí)間的斷電事故，并延長電池使用壽命。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)營成本的優(yōu)勢。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。廣州電焊機(jī)電流傳感器</p><p style="text-indent:25px">啟東雙贏電子科技有限公司主要經(jīng)營范圍是電子元器件，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場口碑。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(jià)格合理，品質(zhì)有保證。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造電子元器件良好品牌。啟東雙贏電子憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2274092.html</p></div></div></div></div></div><div id="r3dzwti" class="page-right twoColRt"><div id="3924dzl" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="d84jlrt" 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="oiacah7" class="recomPic likePro"><a 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