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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>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>安徽電力變壓器試驗(yàn),變壓器</p><p><span>***更新：</span>2020-12-31 10:11:35</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="8rtlnu8" 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="qpbtgsp" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="hmjlxe7" class="box"><p><p style="text-indent:25px">通過短路阻抗和負(fù)載損耗的測量，可以驗(yàn)證這兩項指標(biāo)是否在國家標(biāo)準(zhǔn)及用戶要求范圍內(nèi)，同時還可以通過試驗(yàn)發(fā)現(xiàn)繞組設(shè)計與制造及載流回路和結(jié)構(gòu)的缺陷。 1、短路阻抗及負(fù)載損耗的測量，應(yīng)當(dāng)在試品的一個繞組的線端施加額定頻率，且近似正弦的電流，另一個繞組短路，各相處于同一個分接位置，安徽電力變壓器試驗(yàn)。測量應(yīng)在50%～100.0%額定電流下進(jìn)行；為避免繞組發(fā)熱對試驗(yàn)結(jié)杲產(chǎn)生明顯誤差，試驗(yàn)測量應(yīng)迅速進(jìn)行；同時準(zhǔn)確記錄試驗(yàn)時繞組溫度。 2、短路阻抗及負(fù)載損耗的測量與空載試驗(yàn)的測量線路相同，只是測量中無需進(jìn)行電壓波形校正。 3、短路阻抗及負(fù)載損耗的測量接線；對于額定電流很小的試品，安徽電力變壓器試驗(yàn)，儀表（電壓表及瓦特表電壓線圈）和電壓互感器的吸收電流在測量電流中不可忽略時，應(yīng)將電壓取于電源。 4、短路阻抗是在額定頻率和參考溫度下，一對繞組中某一繞組端子之間的等效串聯(lián)阻抗；其百分?jǐn)?shù)等于短路電壓與額定電壓之比，測量時應(yīng)以三相電流的算術(shù)平均值為準(zhǔn)，安徽電力變壓器試驗(yàn)。日常生活中變壓器實(shí)時存在于我們的電力系統(tǒng)中，發(fā)揮著很重要的作用。安徽電力變壓器試驗(yàn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽電力變壓器試驗(yàn),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368098925781/9464422.png"></div><p> 變壓器是應(yīng)用，常見的電力設(shè)備之一。我們都知道變壓器是一種能將某一種電壓、電流、相數(shù)的交流電能轉(zhuǎn)變成另一種電壓、電流、相數(shù)的交流電能的電器。在生產(chǎn)和生活中，經(jīng)常會用到各種高低不同的電壓，比如工廠中常用的三相異步電動機(jī)的額定電壓是380V或220V；照明電路中要用220V；機(jī)床照明、行燈等只需要36V、24V，甚至更低的電壓。這就需要使用變壓器把同一交流電壓變換成頻率相同的不同等級的電壓，來滿足不同的使用要求。變壓器不僅能用于改變電壓，還可以用來改變電流（如變流器、大電流發(fā)生器等）、改變相位（如改變線圈的連接方法來改變變壓器的極性或組別）、變換阻抗（電子線路中的輸入、輸出變壓器）等。單相變壓器工作原理變壓器的基本工作原理是電磁感應(yīng)原理。上圖所示為一個簡單的單相變壓器，其基本結(jié)構(gòu)是在閉合的鐵芯上繞有兩個匝數(shù)不等的繞組（又稱線圈），繞組之間、鐵芯和繞組之間均相互絕緣，鐵芯由硅鋼片疊成?，F(xiàn)將匝數(shù)為W1的繞組與電源相連，稱該繞組為原繞組或初級繞組，匝數(shù)為W2的繞組通過開關(guān)K與負(fù)載相連，稱為副繞組或次級繞組。當(dāng)接通電源，把交流電壓U1加到原繞組上后，交流電流l1流入該繞組，然后產(chǎn)生勵磁作用。江蘇電子變壓器檢測儀器變壓器大家可能認(rèn)為在公眾場合用的比較多，但其實(shí)在住宅小區(qū)中也有變壓器的存在。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽電力變壓器試驗(yàn),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368770742188/2167683.png"></div><p style="text-indent:25px">變壓器是分為升壓變壓器器和降壓變壓器，在此主要談?wù)劷祲鹤儔浩?，升壓變壓器類同。檢測方法分為斷電測量和通電檢查。檢測有時難免需要測量變壓器絕緣電阻，大容量的變壓器建議用兆歐表測量，小型變壓器一般可用萬用表的R×10K檔測量，一般為無窮大。當(dāng)斷電檢查未發(fā)現(xiàn)異常時，就需要通電檢查，將一次繞組接上額定電壓，diangon.com版權(quán)所有。然后測量二次空載電壓，這里有一點(diǎn)要注意的，測量過變壓器的電工老師傅都知道：所有好的變壓，一般測量的空載電壓會比標(biāo)稱值偏高一些，基于這點(diǎn)也可以反過來用在判斷變壓器的性能上，如果測量的空載電壓偏低的話，建議不要使用，一方面是變壓器自身可能存有故障隱患，另一方面，如果使用可能對整個電路系統(tǒng)都產(chǎn)生影響。</p><p> 儀器體積小、重量輕至2.5kg,接線簡單、操作方便、測量準(zhǔn)確、穩(wěn)定性好。變比測試儀能同時測量單相或三相電力變壓器的交流電壓有效值，電壓平均值、有效值、有功功率、功率因素和頻率等電量參數(shù)，測量精度為0.1級，智能化、專業(yè)化設(shè)計、適用于電力變壓器空載、負(fù)載、感應(yīng)等試驗(yàn)的測試。高壓變壓器容量測試儀容量測量范圍：20k VA~100000k VA，內(nèi)部自備電源，自動產(chǎn)生三相高功率試驗(yàn)電源。 </p> <p> 在使用過程中應(yīng)當(dāng)注意： </p> <p> 1.非工程技術(shù)人員不可私自變更測試檔案。 </p> <p> 2非測試人員不得使用測試儀器。 </p> <p> 3測試時人體不可直接接觸被測產(chǎn)品。 </p> <p> 4測試時產(chǎn)品與程序、治具、腳位須相對應(yīng)。 </p> <p> 5治具更換、程序更換后須重新校機(jī)。 </p> <p> <br /> 對于變壓器的操作還是要注意使用的安全操作手冊。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽電力變壓器試驗(yàn),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368063710938/7461720.png"></div><p> 關(guān)于變壓器容量計算的一些問題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，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，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，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，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)；7、有人認(rèn)為變壓器有損耗，必須在額定容量90%以下運(yùn)行是錯誤的！8、變壓器在設(shè)計選用容量時，根據(jù)計算負(fù)荷要乘以安全系數(shù)是對的。可以看到變壓器容量計算其實(shí)不難。主要是要注意變壓器容量計算的一些問題。日常在使用變壓器的時候要注意使用規(guī)范。安徽電力變壓器試驗(yàn)</p><p style="text-indent:25px">變壓器發(fā)生不同性質(zhì)的故障，聲音會發(fā)生變化。這時應(yīng)根據(jù)現(xiàn)場情采取措施，查找故障原因。安徽電力變壓器試驗(yàn)</p><p style="text-indent:25px">高壓變壓器容量測試儀用于變壓器容量測試和變壓器損耗參數(shù)的高精度測量測試。變壓器容量測試儀在交接、大修和改變分接開關(guān)后，必不可少的試驗(yàn)項目。在通常情況下，用傳統(tǒng)的方法（電橋法和壓降法）測量變壓器繞組以及大功率電感設(shè)備的直流電阻是一項費(fèi)時費(fèi)工的工作。為了改變這種狀況，縮短測量時間以及減輕測試人員的工作負(fù)擔(dān)。變壓器測試儀一種非常適合現(xiàn)場準(zhǔn)確測量變壓器。容量和型式的多功能儀表，可在現(xiàn)場使用儀器內(nèi)置電源準(zhǔn)確測量油侵式、干式、特種變壓器等各種類型變壓器的容量、型式和負(fù)載損耗，使用時可任意輸入變壓器一、二次電壓值，30KVA以上的變壓器均能實(shí)現(xiàn)空載損耗、負(fù)載損耗等各種特性參數(shù)。安徽電力變壓器試驗(yàn)</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，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。公司自創(chuàng)立以來，投身于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，是儀器儀表的主力軍。展榮新精密電子繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。展榮新精密電子始終關(guān)注儀器儀表市場，以敏銳的市場洞察力，實(shí)現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2644541.html</p></div></div></div></div></div><div id="xrtv3ro" class="page-right twoColRt"><div id="blskmoq" class="box01 margin10 clearfix"><h3><a 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