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src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368157539063/6860772.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="iyeuagc" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368157539063/6860772.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8ksiomc" 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>安微變壓器交流耐壓試驗(yàn),變壓器</p><p><span>***更新：</span>2021-02-02 02:08:21</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="saqg2mu" 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="uq2cuka" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="k8gmsq8" class="box"><p><p style="text-indent:25px">變壓器鐵芯的硅鋼片含硅量越大就越好嗎：未見得，矽鋼片含硅量的大小對變壓器的質(zhì)量影響不是很大，而有取向和無取向則和鐵芯的型號有關(guān)系。其次，即使是同樣型號的鐵芯如果你工藝處理不好，那品質(zhì)差別也是很大的，安微變壓器交流耐壓試驗(yàn)，安微變壓器交流耐壓試驗(yàn)，其差別有時(shí)甚至高達(dá)百分之四五十。好的鐵芯而同樣的材料其熱處理和線卷繞制工藝十分關(guān)鍵，良好的熱處理只需很小的10mA激磁電流就能達(dá)到15000高斯，安微變壓器交流耐壓試驗(yàn)，而不好的熱處理則可能要50mA的激磁電流才能達(dá)到相應(yīng)的15000高斯，這二者之間的懸殊差別是很大的。從專業(yè)的角度來判斷鐵芯的好與不好，主要是通過激磁電流、鐵損耗、飽和參數(shù)幾項(xiàng)指標(biāo)來進(jìn)行綜合性評價(jià)。測試儀外殼、測量阻抗外殼必須與變壓器外殼可靠接地。安微變壓器交流耐壓試驗(yàn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安微變壓器交流耐壓試驗(yàn),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368157539063/6860772.png"></div><p style="text-indent:25px">配電變壓器的防雷保護(hù)接線具體要求如下： (1)一般要求避雷器安裝在跌開式熔斷器和變壓器之間，避雷器要求盡量靠近變壓器安裝，距離越近越好。 (2)避雷器的接地線應(yīng)與變壓器低壓繞組中性點(diǎn)及變壓器金屬外殼連接在一起共同接地，亦稱作“三位一體”的接地方式。這種接法的目的是保證當(dāng)變壓器高壓側(cè)受雷擊引起避雷器放電時(shí)，變壓器主絕緣所承受的電壓*是避雷器的殘壓，而接地裝置上的電壓并不作用在變壓器主絕緣上，使避雷器與變壓器得到較好的絕緣配合，能減少高、低壓繞組間和高壓繞組對變壓器外殼之間發(fā)生絕緣擊穿的危險(xiǎn)。 (3)對于低壓，架空線路引出3~10kV，Y，yn0配電變壓器，為防止低壓側(cè)落雷造成絕緣擊穿事故，要求在配電變壓器低壓出線上安裝一組低壓避雷器，這樣不*可保護(hù)變壓器的低壓繞組，同時(shí)還能保護(hù)當(dāng)雷電波從低壓繞組折換到高壓繞組時(shí)，不致使高壓繞組絕緣損壞。貴州電子安全電壓變壓器可測量變壓器的空載電流、空載損耗、短路電壓、短路（負(fù)載）損耗。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安微變壓器交流耐壓試驗(yàn),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368417158203/3339392.png"></div><p style="text-indent:25px">變比測試儀功能：（1）該變壓器變比測試儀自動(dòng)產(chǎn)生幅值穩(wěn)定、相位恒定的三相、兩相、或單相標(biāo)準(zhǔn)電源。（2）不受變壓器內(nèi)部接線方式的約束，直接測量高、低壓側(cè)的電壓比值及相角差。（3）速度快，一組數(shù)據(jù)的測試時(shí)間為幾秒鐘，且能在測試過程中轉(zhuǎn)換分接開關(guān)，一氣呵成完成一臺變壓器的所有分接位置的測量，19分接位置變壓器的測試時(shí)間只需要10分鐘的時(shí)間，較大提高工作效率。（4）變壓器變比測試儀內(nèi)部具有過流保護(hù)功能。（5）測試結(jié)果不受工頻電源頻率及幅值波動(dòng)的影響。（6）尤其適用于特種變壓器的變比及相位差測試。（7）全自動(dòng)變比測試儀真正意義上的三相同時(shí)測量。（8）變壓器變比測試儀具備RS232接口，方便生產(chǎn)廠家的測試自動(dòng)化要求。</p><p style="text-indent:25px">電力變壓器是一種改變交流電壓大小靜止的電力設(shè)備，是電力系統(tǒng)中中心設(shè)備之一，在電能的傳輸和配送過程中，電力變壓器是能量轉(zhuǎn)換、傳輸?shù)闹行?，是國民?jīng)濟(jì)各行各業(yè)和千家萬戶能量來源的必經(jīng)之路。如果變壓器發(fā)生故障，將影響電力系統(tǒng)的安全穩(wěn)定運(yùn)行電力系統(tǒng)中很重要的設(shè)備，一旦發(fā)生事故，將造成很大的經(jīng)濟(jì)損失。分析各種電力變壓器事故，找出原因，總結(jié)出處理事故的辦法，把事故損失控制在較小范圍內(nèi)，盡量減少對系統(tǒng)的損害。由于每臺變壓器負(fù)荷大小、冷卻條件及季節(jié)不同，運(yùn)行中不要以上層油溫允許值為依據(jù)，還應(yīng)根據(jù)以往運(yùn)行經(jīng)驗(yàn)及在上述情況下與上次的油溫比較。如油溫突然增高，則應(yīng)檢查冷卻裝置是否正常，油循環(huán)是否破壞等，來判斷變壓器內(nèi)部是否有故障。變壓器測試儀：用變比電橋測量變壓器的變比，操作過程繁瑣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安微變壓器交流耐壓試驗(yàn),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368672089844/7803755.png"></div><p style="text-indent:25px">性能特點(diǎn)：1.儀器采用交流220V低壓電源，通過手動(dòng)、自動(dòng)兩種模式對單相、三相變壓器的AB、BC、CA繞組施加電流，測量變壓器的短路阻抗與銘牌阻抗比較的誤差百分比外，還可測量變壓器的阻抗、電抗、電阻、電感等值方便用戶數(shù)據(jù)對比，測試結(jié)果非常直觀；2.儀器可單相測試，也可三相測試；可手動(dòng)測試，也可自動(dòng)測試；3.一次性接線，不用倒接測試線便可自動(dòng)完成三相測試；4.不用外接調(diào)壓器，便可對被測試品進(jìn)行測量；5.儀器不顯示阻抗誤差百分比，還顯示施加電壓、施加電流、測量功率，短路阻抗、短路感抗、繞組電感、短路阻抗電壓等值；6.零序阻抗適用于高壓側(cè)星形接線帶中性點(diǎn)的變壓器，儀器可同時(shí)測量零序阻抗、零序感抗、零序電阻、零序電感；7.儀器可采用內(nèi)部電源及外部電源兩種供電模式。測出三相變壓器本身變比的不平衡程度，確定零序分量的大小。肇慶變壓器檢測</p><p style="text-indent:25px">保護(hù)功能完善，能可靠保護(hù)反電勢對儀器的沖擊，性能更可靠。安微變壓器交流耐壓試驗(yàn)</p><p style="text-indent:25px">變壓器直流電阻試驗(yàn)及實(shí)驗(yàn)儀器：試驗(yàn)介紹：測量直流電阻的目是檢查電氣設(shè)備繞組或線圈的質(zhì)量及回路的完整性，以發(fā)現(xiàn)制造或運(yùn)行中因振動(dòng)而產(chǎn)生的機(jī)械應(yīng)力等原因所造成的導(dǎo)線斷裂、接頭開焊、接觸不良、匝間短路等缺陷。試驗(yàn)設(shè)備：10A直流電阻測試儀被試設(shè)10KV/1000kVA油浸式變壓器（高壓側(cè)為三角形接法，低壓側(cè)星形接法）試驗(yàn)方法：試驗(yàn)接線：高壓側(cè)：AB/AC/BC,低壓側(cè)：AO/BO/CO1、測量前的準(zhǔn)備：首先將電源線以及地線可靠連接到直阻儀上，然后把隨機(jī)附帶的測試線連接到直阻儀面板與其顏色相對應(yīng)的輸入輸出接線端子上，將測試線末端的測試鉗夾到待測變壓器繞組兩端，并用力摩擦接觸點(diǎn)，以確保接觸良好。安微變壓器交流耐壓試驗(yàn)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3116385.html</p></div></div></div></div></div><div id="uawmsye" class="page-right twoColRt"><div id="us8cai0" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="0a8aqw8" 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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