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id="ah2v879" class="searchbox"><div id="pwdfh2i" class="searchLt"><div id="rqx7xsk" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會(huì)</a></div><div id="2kh9v8q" class="clearfix searchWrap"><div id="l7m8l9q" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="f22drab" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = 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src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368500371094/6122012.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="odq7g9e" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368500371094/6122012.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="oiv9kz2" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江門變壓器耐壓試驗(yàn)變壓器,變壓器</p><p><span>***更新：</span>2020-12-27 11:11:13</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="jdf4p9d" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市展榮新精密電子有限公司</a></p><p><span>聯(lián)系人：</span>喻孟峨</p><p><span>郵箱: </span>113527410@qq.com</p><p><span>電話: </span>15012892536</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0755-27923475</p><p><span>地址: </span>航城街道黃田社區(qū)崗貝工業(yè)區(qū)綜合樓10棟401</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="osueahj" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="kzgqxum" class="box"><p><p style="text-indent:25px">變壓器幾乎在所有的電子產(chǎn)品中都要用到，它原理簡單但根據(jù)不同的使用場合（不同的用途）變壓器的繞制工藝會(huì)有所不同的要求。變壓器的功能主要有：電壓變換；阻抗變換；隔離；穩(wěn)壓（磁飽和變壓器）等，變壓器常用的鐵心形狀一般有E型和C型鐵心。一般降壓變壓器一次繞組的電阻值為幾十至幾百歐，江門變壓器耐壓試驗(yàn)變壓器，二次繞組為幾歐至幾十歐，這點(diǎn)要做到心中大致有數(shù)，為選萬用表的量程提供參考，一般選用萬用表的R×1或R×10檔，分別測一次繞組和二次繞組，江門變壓器耐壓試驗(yàn)變壓器，查看有無斷路和短路問題，這個(gè)方法有個(gè)缺點(diǎn)就是，江門變壓器耐壓試驗(yàn)變壓器，無法檢測出局部短路問題，這個(gè)缺憾可以通過通電檢查彌補(bǔ)。變壓器是電能傳遞或作為信號傳輸?shù)闹匾?。江門變壓器耐壓試驗(yàn)變壓器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江門變壓器耐壓試驗(yàn)變壓器,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368500371094/6122012.png"></div><p style="text-indent:25px">在直流電阻測試完成后,變壓器有時(shí)會(huì)有剩磁,造成不能立即運(yùn)行的情況出現(xiàn),在測試完成后，將測試線正負(fù)極顛倒,進(jìn)行一下反向充電,可有效避免上述情況出現(xiàn)。具體時(shí)間根據(jù)變壓器容量不同，以及測試電流的大小,靈活掌握。有載調(diào)壓的變壓器測量高壓側(cè)電阻時(shí)從1或17zui大電阻檔開始測量。為節(jié)約時(shí)間，測試過程中可按復(fù)位鍵，不必等待放電過程結(jié)束,便可直接再次氣動(dòng)測量。量程范圍內(nèi)盡量選用大電流以增強(qiáng)穩(wěn)定性能，同時(shí)也應(yīng)考慮試品電流的承受能力。山東電子變壓器局放檢測系統(tǒng)開關(guān)變壓器線圈之間存在漏感，是因?yàn)榫€圈之間存在漏磁通而產(chǎn)生的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江門變壓器耐壓試驗(yàn)變壓器,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368672089844/7803755.png"></div><p> 關(guān)于變壓器容量計(jì)算的一些問題1、變壓器的額定容量，應(yīng)該是變壓器在規(guī)定的使用條件下，能夠保證變壓器正常運(yùn)行的比較大載荷視在功率；2、這個(gè)視在功率就是變壓器的輸出功率，也是變壓器能帶比較大負(fù)載的視在功率；3、變壓器額定運(yùn)行時(shí)，變壓器的輸出視在功率等于額定容量；4、變壓器額定運(yùn)行時(shí)，變壓器的輸入視在功率大于額定容量；5、由于變壓器的效率很高，一般認(rèn)為變壓器額定運(yùn)行時(shí)，變壓器的輸入視在功率等于額定容量，由此進(jìn)行的運(yùn)算及結(jié)果也是基本準(zhǔn)確的；6、所以在使用變壓器時(shí)，你只要觀察變壓器輸出的電流、電壓、功率因數(shù)及其視在功率等于或小于額定容量就是安全的(使用條件滿足時(shí))；7、有人認(rèn)為變壓器有損耗，必須在額定容量90%以下運(yùn)行是錯(cuò)誤的！8、變壓器在設(shè)計(jì)選用容量時(shí)，根據(jù)計(jì)算負(fù)荷要乘以安全系數(shù)是對的。可以看到變壓器容量計(jì)算其實(shí)不難。主要是要注意變壓器容量計(jì)算的一些問題。 </p><p> 首先選擇變壓器的額定電壓。高壓側(cè)電壓與所接入電網(wǎng)電壓相等，低壓側(cè)電壓比低壓側(cè)電網(wǎng)的電壓高10%或5%（取決變壓器電壓等級和阻抗電壓大?。活~定容量選擇。計(jì)算變壓器所帶負(fù)荷的大?。ㄒ蠼y(tǒng)計(jì)比較大綜合負(fù)荷，將有功負(fù)荷kW值換算成視在功率kVA），如果是兩臺變壓器，那么每臺變壓器的容量可按照比較大綜合負(fù)荷的70%選擇，一臺變壓器要按總負(fù)荷考慮，并留有適當(dāng)?shù)脑６?。其它明星參?shù)可結(jié)合變壓器產(chǎn)品適當(dāng)考慮。例如：選擇35/10kV變壓器。假定比較大負(fù)荷為3500kW，功率因數(shù)為，選兩臺變壓器，容量S=×3500/，可選擇3150kVA的變壓器，電壓比為35kV/。再從產(chǎn)品目錄中選擇型號。變壓器有其做試驗(yàn)而用的，是試驗(yàn)變壓器，分別可以分為充氣式，油浸式，干式等試驗(yàn)變壓器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江門變壓器耐壓試驗(yàn)變壓器,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368711884766/5770221.png"></div><p style="text-indent:25px">電勢差試驗(yàn)方法及注意事項(xiàng)如下： (1) 在非被試?yán)@組供給勵(lì)磁電壓，其大小應(yīng)使每匝電壓為1V； (2) 連接并聯(lián)支路的一端，測量各同名端的電勢差，其電勢差應(yīng)等于零；為了避免由于回路接觸不良造成電勢差為零，允許在測量中加入一匝，使電勢差為1V；臨時(shí)匝應(yīng)分別正繞與反繞串入回路，其電勢差均應(yīng)近似等于1V； (3) 為了避免因增加串聯(lián)匝數(shù)而使電勢差減小的現(xiàn)象，測量電勢差的電壓表應(yīng)盡量采用高內(nèi)阻的電壓表； (4) 電勢差試驗(yàn)時(shí)被試?yán)@組的電壓雖然只有1V，但其電位往往很高；在并聯(lián)支路中如有串聯(lián)線段，試驗(yàn)中可將其打開，分別測量幾個(gè)并聯(lián)支路的電勢差，以降低被試?yán)@組的電位； (5) 測量儀表的一端應(yīng)可靠接地，儀表的量程開始應(yīng)置于zui大位罝，送電指示正常后，再逐級縮小量程，以避免損壞儀表。一般用來檢測變壓器的儀器靈敏度都很高。江門變壓器耐壓試驗(yàn)變壓器</p><p style="text-indent:25px">日常在使用變壓器的時(shí)候要注意使用規(guī)范。江門變壓器耐壓試驗(yàn)變壓器</p><p style="text-indent:25px">短路試驗(yàn)前變壓器應(yīng)具備的條件和準(zhǔn)備工作按如下要求進(jìn)行：（1）應(yīng)按照規(guī)定的例行試驗(yàn)項(xiàng)目（不包括雷電沖擊試驗(yàn)）和要求，試驗(yàn)合格后方能進(jìn)行短路試驗(yàn)；對試驗(yàn)沒有影響的附件（如可拆卸的冷卻器）可以不安裝；其中負(fù)載試驗(yàn)應(yīng)在zui大分接、主分接和zui小分接上進(jìn)行，提供以上三個(gè)分接的短路阻抗和負(fù)載損耗。（2）短路試驗(yàn)開始時(shí)，繞組的平均溫度zui好在10℃～40℃之間。（3）試品運(yùn)到試驗(yàn)站后、應(yīng)在現(xiàn)場吊心沿線圈的軸向在高壓側(cè)和低壓側(cè)的線段和墊塊上高壓側(cè)和低壓側(cè)分別畫出兩條、三條直線，如有可能幅向也應(yīng)畫對應(yīng)軸向的等條數(shù)的直線作為標(biāo)記；然后拍照，定為試品短路試驗(yàn)前的形態(tài)。（4）試驗(yàn)前還應(yīng)精確測量被試一對繞組試驗(yàn)分接的電抗值，重復(fù)測量電抗的誤差應(yīng)在±0.2%以內(nèi)；有條件時(shí)，可進(jìn)行繞組頻譜分析測量。江門變壓器耐壓試驗(yàn)變壓器</p><p style="text-indent:25px">深圳市展榮新精密電子有限公司致力于儀器儀表，是一家生產(chǎn)型的公司。公司業(yè)務(wù)涵蓋變壓器電感平衡測試儀，變壓器綜合測試儀，高壓測試儀19053，展榮新（臺儀達(dá)）系列產(chǎn)品等，價(jià)格合理，品質(zhì)有保證。公司從事儀器儀表多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。展榮新精密電子憑借創(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://www.cdcfah.com/cp/2587131.html</p></div></div></div></div></div><div id="ynfpwy7" class="page-right twoColRt"><div id="mqdvsjl" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="hwy3pur" 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="8u7zmoq" class="recomPic 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