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src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368770742188/2167683.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xflrcig" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368770742188/2167683.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="uxy3itp" 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>云南電子變壓器有載開(kāi)關(guān)檢測(cè)儀,變壓器</p><p><span>***更新：</span>2020-08-29 08:21:46</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="2nokl3h" 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="8mstkq8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="2k8ie3a" class="box"><p><p style="text-indent:25px">電壓比測(cè)量所使用的儀器的精度和靈敏度均不應(yīng)低于0.2%；電壓比測(cè)量中計(jì)算的比值應(yīng)按各分接的銘牌電壓計(jì)算，云南電子變壓器有載開(kāi)關(guān)檢測(cè)儀，當(dāng)電壓百分?jǐn)?shù)或?qū)?yīng)匝數(shù)與銘牌電壓無(wú)差異時(shí)，可按電壓頁(yè)分?jǐn)?shù)或匝數(shù)計(jì)算的比值。測(cè)量應(yīng)分別在各分接上進(jìn)行；有正、反勵(lì)磁的有載調(diào)壓變壓器，云南電子變壓器有載開(kāi)關(guān)檢測(cè)儀，轉(zhuǎn)換選擇器正向連接時(shí)，如在所有分接選擇器位置進(jìn)行了電壓比測(cè)量，反向連接時(shí)，允許只抽試1～2個(gè)分接。三繞組變壓器至少在包括***對(duì)繞組在內(nèi)的兩對(duì)繞組上分別進(jìn)行電壓比測(cè)量。絕緣裝配后的半成品電壓比測(cè)量，三相應(yīng)分別進(jìn)行相的電壓比測(cè)量；同時(shí)應(yīng)檢查繞組的電壓矢量關(guān)系（繞向與標(biāo)志）是否正確，云南電子變壓器有載開(kāi)關(guān)檢測(cè)儀。引線裝配后或總裝配后的電壓比測(cè)量應(yīng)分別對(duì)各分接進(jìn)行電壓比測(cè)量，如果可能還應(yīng)驗(yàn)證聯(lián)結(jié)組及電壓矢量關(guān)系是否正確。變壓器特性測(cè)試儀可以自動(dòng)計(jì)算任何點(diǎn)的誤差曲線。云南電子變壓器有載開(kāi)關(guān)檢測(cè)儀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南電子變壓器有載開(kāi)關(guān)檢測(cè)儀,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368770742188/2167683.png"></div><p style="text-indent:25px">在直流電阻測(cè)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(cè)試完成后，將測(cè)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(cè)試電流的大小,靈活掌握。有載調(diào)壓的變壓器測(cè)量高壓側(cè)電阻時(shí)從1或17zui大電阻檔開(kāi)始測(cè)量。為節(jié)約時(shí)間，測(cè)試過(guò)程中可按復(fù)位鍵，不必等待放電過(guò)程結(jié)束,便可直接再次氣動(dòng)測(cè)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。云南電子變壓器有載開(kāi)關(guān)檢測(cè)儀變壓器直流電阻測(cè)試儀在電力工業(yè)中也得到了普遍的應(yīng)用，但許多人對(duì)它的測(cè)量和放電工作還不了解。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南電子變壓器有載開(kāi)關(guān)檢測(cè)儀,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368098925781/9464422.png"></div><p style="text-indent:25px">當(dāng)變壓器的初級(jí)繞組通電后，線圈所產(chǎn)生的磁通在鐵心流動(dòng)，因?yàn)殍F心本身也是導(dǎo)體，在垂直于磁力線的平面上就會(huì)感應(yīng)電勢(shì)，這個(gè)電勢(shì)在鐵心的斷面上形成閉合回路并產(chǎn)生電流，好象一個(gè)旋渦所以稱為“渦流”。這個(gè)“渦流”使變壓器的損耗增加，并且使變壓器的鐵心發(fā)熱變壓器的溫升增加。由“渦流”所產(chǎn)生的損耗我們稱為“鐵損”。另外要繞制變壓器需要用大量的銅線，這些銅導(dǎo)線存在著電阻，電流流過(guò)時(shí)這電阻會(huì)消耗一定的功率，這部分損耗往往變成熱量而消耗，我們稱這種損耗為“銅損”。所以變壓器的溫升主要由鐵損和銅損產(chǎn)生的。</p><p style="text-indent:25px">短路承受能力試驗(yàn)是投擬運(yùn)行中極為嚴(yán)酷的短路故障，即網(wǎng)絡(luò)容量足夠大、負(fù)載阻抗為零，而且在電壓過(guò)零時(shí)獲得zui人的非對(duì)稱電流。變壓器繞組、分接開(kāi)關(guān)、套管、引線及各機(jī)械緊固部件將承受來(lái)自短路電流所產(chǎn)生的巨大的動(dòng)穩(wěn)定效應(yīng)與熱效應(yīng)的考核。從而驗(yàn)證結(jié)構(gòu)的合理性與運(yùn)行的可靠性。變壓器承受熱穩(wěn)定的能力，通常按照產(chǎn)品在運(yùn)行溫度下發(fā)生短路，對(duì)稱短路電流產(chǎn)生的熱效應(yīng)全部用來(lái)提高繞組溫度；GB 1094.5規(guī)定變壓器承受熱穩(wěn)定能力可通過(guò)計(jì)算來(lái)驗(yàn)證。承受短路的動(dòng)穩(wěn)定能力應(yīng)通過(guò)試驗(yàn)或計(jì)算和設(shè)計(jì)驗(yàn)證其結(jié)構(gòu)、工藝和制造的討靠性；試驗(yàn)通常在強(qiáng)電流試驗(yàn)站進(jìn)行；試驗(yàn)電源可以是網(wǎng)絡(luò)，也可以是沖擊發(fā)電機(jī)組，一般均需配置合適的短路試驗(yàn)變壓器和電抗器。全絕緣變壓器這種變壓器在中性點(diǎn)直接接地時(shí)用零序過(guò)保護(hù),在中性點(diǎn)不接地時(shí)用零序過(guò)電壓保護(hù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南電子變壓器有載開(kāi)關(guān)檢測(cè)儀,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368417158203/3339392.png"></div><p> 在鐵芯中產(chǎn)生的交變磁通不僅穿過(guò)原繞組，同時(shí)也穿過(guò)副繞組，它分別在兩個(gè)繞組中引起感應(yīng)電動(dòng)勢(shì)。這時(shí)如果開(kāi)關(guān)K合上，副繞組與外電路的負(fù)載相連通，便有電流I2流出，負(fù)載端電壓即為U2，于是輸出電能。對(duì)變壓器的作用和工作原理有了一定的了解后，我們來(lái)討論一下變壓器分接開(kāi)關(guān)應(yīng)該如何調(diào)整？運(yùn)行中系統(tǒng)電壓過(guò)高或過(guò)低，影響設(shè)備的正常運(yùn)行時(shí)，需要對(duì)變壓器分接開(kāi)關(guān)進(jìn)行適當(dāng)?shù)卣{(diào)整，以保持變壓器二次側(cè)電壓的正常。10kV變壓器的分接開(kāi)關(guān)有三個(gè)位置，調(diào)壓范圍為±5%，當(dāng)系統(tǒng)的電壓變化不超過(guò)額定電壓的±5%時(shí)，可以通過(guò)調(diào)節(jié)變壓器分接開(kāi)關(guān)的位置來(lái)解決電壓過(guò)高或過(guò)低的問(wèn)題。無(wú)載調(diào)壓的配電變壓器，分接開(kāi)關(guān)有三擋，即Ⅰ擋時(shí)，為10500/400V；Ⅱ擋時(shí)，為10000/400V；Ⅲ擋時(shí)，為9500/400V。當(dāng)系統(tǒng)電壓高，超過(guò)額定電壓時(shí)，變壓器二次側(cè)母線電壓高，需要將變壓器分接開(kāi)關(guān)調(diào)到Ⅰ擋位置。如果系統(tǒng)電壓低，達(dá)不到額定電壓時(shí)，變壓器二次側(cè)電壓低，就需要將變壓器分接開(kāi)關(guān)調(diào)至Ⅲ擋位置。即所謂的“高往高處調(diào)，低往低處調(diào)”。但是，變壓器分接開(kāi)關(guān)的調(diào)整要注意相對(duì)地穩(wěn)定，不可頻繁調(diào)整，否則將影響變壓器的運(yùn)行壽命。工廠需要定期對(duì)設(shè)備的電流電阻進(jìn)行檢測(cè)，了解是否在正常的數(shù)值范圍。河南非標(biāo)高頻電子變壓器</p><p style="text-indent:25px">變壓器變比檢測(cè)儀都有哪些規(guī)格型號(hào)，我們一起來(lái)了解。云南電子變壓器有載開(kāi)關(guān)檢測(cè)儀</p><p> 綜合測(cè)試的目的是保證產(chǎn)品其本性能的一項(xiàng)測(cè)試試驗(yàn)。耐壓測(cè)試的目的是為了防止產(chǎn)品在正?；虿皇褂脳l件下發(fā)生漏電、電擊、火災(zāi)等事故危及消費(fèi)者的生命財(cái)產(chǎn)安全而采取的一項(xiàng)安全測(cè)試試驗(yàn)。耐壓儀器在使用過(guò)程中必須墊絕緣膠皮，測(cè)試人員測(cè)試時(shí)，所在座位底板必須要墊絕緣膠皮。測(cè)試人員測(cè)試時(shí)，必須戴絕緣手套。測(cè)試時(shí)嚴(yán)禁接觸治具導(dǎo)電體，接觸高壓會(huì)對(duì)人體造成損傷。 </p> <p> 綜合測(cè)試儀日常維護(hù)注意事項(xiàng)： </p> <p> 1.為保證測(cè)試精確測(cè)試,開(kāi)機(jī)預(yù)熱時(shí)間應(yīng)不少于15分鐘。 </p> <p> 2.請(qǐng)勿頻繁開(kāi)關(guān)儀器,以引起內(nèi)部數(shù)據(jù)混亂,造成測(cè)試不準(zhǔn)確。 </p> <p> 3.不可帶電插撥測(cè)試連接線。 </p> <p> 4.遠(yuǎn)離磁場(chǎng)。 </p> <p> 5測(cè)試前清洗測(cè)試治具。 </p> <p> 6.常規(guī)7S檢查。 </p> <p> 7待機(jī)狀態(tài)時(shí)將儀器退出掃描測(cè)試。 </p> <p> <br /> 云南電子變壓器有載開(kāi)關(guān)檢測(cè)儀</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。展榮新精密電子擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供變壓器電感平衡測(cè)試儀，變壓器綜合測(cè)試儀，高壓測(cè)試儀19053，展榮新（臺(tái)儀達(dá)）系列產(chǎn)品。展榮新精密電子不斷開(kāi)拓創(chuàng)新，追求***，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為**，以服務(wù)為保障，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。展榮新精密電子始終關(guān)注自身，在風(fēng)云變化的時(shí)代，我們對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使我們?cè)谛袠I(yè)的從容而自信。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1080198.html</p></div></div></div></div></div><div id="s3ajzav" class="page-right twoColRt"><div id="nqrd3ud" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="kevwcn8" 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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