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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>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>麗水電壓互感器哪里買(mǎi),電壓互感器</p><p><span>***更新：</span>2020-09-23 17:16:57</p><p><span id="click" >瀏覽次數(shù)：8次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="kge2iom" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">杭州浩蘊(yùn)自動(dòng)化科技有限公司</a></p><p><span>聯(lián)系人：</span>謝凱浩</p><p><span>郵箱: </span>1017004522@qq.com</p><p><span>電話: </span>13817446397</p><p><span>傳真: </span>0571_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0571-85385963</p><p><span>地址: </span>經(jīng)濟(jì)技術(shù)開(kāi)發(fā)區(qū)18號(hào)大街795號(hào)1幢11層1109室</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="gc2kkq2" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="magmc4k" class="box"><p><p> <strong>電壓互感器</strong>和電流互感器的區(qū)別（一） </p> <p> 互感器的原理：互感器是一種測(cè)量設(shè)備，麗水電壓互感器哪里買(mǎi)，分為電壓互感器和電流互感器，麗水電壓互感器哪里買(mǎi)，互感器的原理和變壓器類(lèi)似！ </p> <p> 使用互感器的原因 </p> <p> 1，為了將測(cè)量回路和高壓電網(wǎng)隔離開(kāi)，保障電力人員的安全，麗水電壓互感器哪里買(mǎi)！ </p> <p> 2，可以使用小量程電流來(lái)測(cè)量大電流，使用低量程電壓來(lái)測(cè)量高電壓！ </p> <p> 備注：電流互感器的副邊電流為5A或1A，電壓互感器的副邊電壓為100V </p> <p> 互感器的用途 </p> <p> 1，用于電路或配電柜的測(cè)量 </p> <p> 2，用于電路的保護(hù)（參與各種繼電保護(hù)等） </p> <p> 電流互感器：簡(jiǎn)稱(chēng)CT，在***的國(guó)標(biāo)中用TA表示。 </p> <p> 電流互感器的作用： </p> <p> 1、將很大的一次電流轉(zhuǎn)變?yōu)闃?biāo)準(zhǔn)的5A。 </p> <p> 2、為測(cè)量裝置和繼電保護(hù)的線圈提供電流。 </p> <p> 3、對(duì)一次設(shè)備和二次設(shè)備進(jìn)行隔離。什么是電流互感器？電流互感器是什么樣子的,它的原理又是如何的?麗水電壓互感器哪里買(mǎi)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="麗水電壓互感器哪里買(mǎi),電壓互感器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637363091326083984/9728571.jpg"></div><p style="text-indent:25px"><p>五、結(jié)論<p>在中性點(diǎn)不接地或經(jīng)消弧線圈接地的系統(tǒng)中，為了測(cè)量相對(duì)地的電壓，電壓互感器的一次繞組必須接成星形，且中性點(diǎn)必須接地。在3～60kV電網(wǎng)中，采用三只單相三繞組（接地**）電壓互感器，而在3～20kV電網(wǎng)中，常采用三相五柱式電壓互感器來(lái)測(cè)量相對(duì)地電壓。普通三相三柱式的電壓互感器是不允許作這種測(cè)量的。<p>三相三線制和三相四線制都可以采用Yy接法或Vv接法，區(qū)別是Vv接法只能用于線電壓測(cè)試，Yy接法只能用于相電壓測(cè)試，都能滿足三相電壓的測(cè)量。麗水電壓互感器哪里買(mǎi)EATON電流互感器怎么選購(gòu)？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="麗水電壓互感器哪里買(mǎi),電壓互感器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637363091325820312/3530425.jpg"></div><p> 應(yīng)用CVT進(jìn)行諧波測(cè)量方法討論（二） </p> <p> 因此電力系統(tǒng)中通過(guò)CVT測(cè)量得到的諧波數(shù)據(jù)已經(jīng)是如上述頻率特性曲線畸變后的結(jié)果，不能真實(shí)地反映一次側(cè)系統(tǒng)諧波情況。在110kV及以上電網(wǎng)現(xiàn)場(chǎng)大量使用CVT的情況下，諧波電壓的測(cè)量準(zhǔn)確性問(wèn)題函待解決，針對(duì)此問(wèn)題以下兒點(diǎn)改進(jìn)方法建議以供參考。 </p> <p> 1)現(xiàn)場(chǎng)條件允許時(shí)，應(yīng)采用電容式分壓器測(cè)量諧波電壓。對(duì)已裝設(shè)電容分壓器的現(xiàn)場(chǎng)應(yīng)使用電容分壓器測(cè)量，如沒(méi)有裝設(shè)且需對(duì)諧波電壓情況詳細(xì)了解的測(cè)試點(diǎn)應(yīng)臨時(shí)裝設(shè)電容分壓器再進(jìn)行測(cè)量。 </p> <p> 2)在CVT的高低壓電容接地回路接入兩個(gè)電流傳感器，可測(cè)得CVT高低壓側(cè)電容回路的電流，分別計(jì)算兩個(gè)電容器的壓降，向量迭加后可得CVT對(duì)應(yīng)頻率下一次側(cè)電壓值。現(xiàn)有基于該原理的裝置有ABB公司的PQSensor等，使用該裝置在150kV某CVT上模擬試驗(yàn)，與并聯(lián)的電磁式電壓互感器比較，結(jié)果具有較好的一致性，此設(shè)備可安裝在已投運(yùn)的CVT上，不影響CVT原有性能。 </p><p> <strong>電壓互感器</strong>的主要類(lèi)型（一） </p> <p> 1、按安裝地點(diǎn)可分為戶(hù)內(nèi)式和戶(hù)外式 </p> <p> 35kV及以下多制成戶(hù)內(nèi)式；35kV以上則制成戶(hù)外式。 </p> <p> 2、按相數(shù) </p> <p> 可分為單相和三相式35kV及以上不能制成三相式。 </p> <p> 3、按繞組數(shù)目 </p> <p> 可分為雙繞組和三繞組電壓互感器，三繞組電壓互感器除一次側(cè)和基本二次側(cè)外，還有一組輔助二次側(cè)，供接地保護(hù)用。 </p> <p> 4、按絕緣方式 </p> <p> 可分為干式、澆注式、油浸式和充氣式。 </p> <p> 干式電壓互感器結(jié)構(gòu)簡(jiǎn)單、無(wú)著火和危險(xiǎn)，但絕緣強(qiáng)度較低，只適用于6kV以下的戶(hù)內(nèi)式裝置；澆注式電壓互感器結(jié)構(gòu)緊湊、維護(hù)方便，適用于3kV～35kV戶(hù)內(nèi)式配電裝置；油浸式電壓互感器絕緣性能較好，可用于10kV以上的戶(hù)外式配電裝置；充氣式電壓互感器用于SF6全封閉電器中。電流互感器的安全開(kāi)關(guān)注意事項(xiàng)有什么？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="麗水電壓互感器哪里買(mǎi),電壓互感器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637363091324921875/8881537.jpg"></div><p> 三、<strong>電壓互感器</strong>的基本結(jié)構(gòu) </p> <p> 油浸式電壓互感器按其結(jié)構(gòu)可分為普通式和串級(jí)式，3～35kV都制成普通式，它與普通小型變壓器相似。110kV及以上的電磁式電壓互感器普遍制成串級(jí)結(jié)構(gòu)，其特點(diǎn)是：繞組和鐵芯采用分級(jí)絕緣，以簡(jiǎn)化絕緣結(jié)構(gòu)；繞組和鐵芯放在瓷套中，可減少重量和體積。 </p> <p> 電壓互感器的基本結(jié)構(gòu)和變壓器很相似，它也有兩個(gè)繞組，一個(gè)叫一次繞組，一個(gè)叫二次繞組。兩個(gè)繞組都裝在或繞在鐵心上。兩個(gè)繞組之間以及繞組與鐵心之間都有絕緣，使兩個(gè)繞組之間以及繞組與鐵心之間都有電的隔離。電壓互感器在運(yùn)行時(shí)，一次繞組N1并聯(lián)接在線路上，二次繞組N2并聯(lián)接儀表或繼電器。因此在測(cè)量高壓線路上的電壓時(shí)，盡管一次電壓很高，但二次卻是低壓的，可以確保操作人員和儀表的安全。 </p> <p> 電壓互感器的線圈阻抗較小，所以電壓互感器的二次繞組不能短路，二次繞組如果短路將導(dǎo)致繞組承受的阻抗變大，繞組承受不了造成PT燒毀。電流互感器的工作原理有哪些?衢州電壓互感器價(jià)錢(qián)</p><p style="text-indent:25px">電流互感器有沒(méi)有好的推薦?麗水電壓互感器哪里買(mǎi)</p><p> 電磁式<strong>電壓互感器</strong>的分類(lèi) </p> <p> 電磁式電壓互感器的分類(lèi)方式很多，根據(jù)絕緣介質(zhì)可分為干式和油式；根據(jù)相數(shù)的不同可分為單相、三相兩種；根據(jù)繞組的多少可分為雙繞組、三繞組、四繞組三種；按其運(yùn)行承受的電壓不同，可分為半絕緣和全絕緣電壓互感器等等，在實(shí)際應(yīng)用中一般使用單相三繞組或四繞組的**多。 </p> <p> 電磁式電壓互感器的用途 </p> <p> 電力系統(tǒng)應(yīng)用的電壓互感器用途有：與電氣儀表和繼電保護(hù)及自動(dòng)裝置配合測(cè)量電力系統(tǒng)高電壓回路的電壓參數(shù)；隔離高電壓，保障工作人員與設(shè)備安全；互感器二次側(cè)取量統(tǒng)一，以利于二次設(shè)備標(biāo)準(zhǔn)化。電磁式電壓互感器我國(guó)電網(wǎng)中主要運(yùn)用電壓互感器之一，是電力輸送中的重要設(shè)備，不僅為電網(wǎng)的運(yùn)行監(jiān)測(cè)提供便利，同時(shí)也為某些繼電保護(hù)的正確動(dòng)作提供參量。因此，加強(qiáng)對(duì)電磁式電壓互感器的運(yùn)行中的監(jiān)測(cè)試驗(yàn)，對(duì)保障電網(wǎng)安全有著很重要的意義。麗水電壓互感器哪里買(mǎi)</p><p style="text-indent:25px">杭州浩蘊(yùn)自動(dòng)化科技有限公司總部位于經(jīng)濟(jì)技術(shù)開(kāi)發(fā)區(qū)18號(hào)大街795號(hào)1幢11層1109室，是一家杭州浩蘊(yùn)自動(dòng)化科技有限公司，是一家具有獨(dú)立法人資格的****。公司擁有一批技術(shù)過(guò)硬、服務(wù)周到，具有開(kāi)拓精神的銷(xiāo)售人員和技術(shù)人員，服務(wù)面向各行業(yè)領(lǐng)域。我們將為您提供質(zhì)量的產(chǎn)品、優(yōu)惠的價(jià)格、先進(jìn)的工業(yè)自動(dòng)化技術(shù)、***的工程和快捷細(xì)致的售前、售中、售后服務(wù)。公司主要銷(xiāo)售產(chǎn)品7大品牌, 瑞典ABB、德國(guó)西門(mén)子SIEMENS、伊頓穆勒 EATON . 法國(guó)施耐德TE、德國(guó)魏德米勒WEIDMULLER、　菲尼克斯WAGO、德國(guó)P+ F（全國(guó)代理商)：進(jìn)口低壓：成套設(shè)備　我們的理念是：“以人為本、為客戶(hù)增值、誠(chéng)信、共贏、開(kāi)拓、發(fā)展” 我們熱忱希望與您的合作，以為您提供物超所值的服務(wù)，來(lái)實(shí)現(xiàn)自己的價(jià)值，展現(xiàn)自己的信譽(yù)與實(shí)力。的公司。公司自創(chuàng)立以來(lái)，投身于凸輪開(kāi)關(guān)，隔離開(kāi)關(guān)，電流互感器，電壓互感器，是機(jī)械及行業(yè)設(shè)備的主力軍。浩蘊(yùn)自動(dòng)化致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶(hù)產(chǎn)品上的貼心，為用戶(hù)帶來(lái)良好體驗(yàn)。浩蘊(yùn)自動(dòng)化始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來(lái)源地址: 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