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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="itkmghe" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/10/9/15/637062304534785889_hapn_7884688.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rz3soqs" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>上海絕緣油樣微水檢測(cè),檢測(cè)</p><p><span>***更新：</span>2020-11-19 07:02:12</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="i7r2w4k" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">淮安沛能電力技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>蔡國(guó)義</p><p><span>郵箱: </span>271858583@qq.com</p><p><span>電話: </span>13236268898</p><p><span>傳真: </span>0517_84333338</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0517-84333338</p><p><span>地址: </span>淮安市淮陰區(qū)九江路56號(hào)</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="8ysp2wo" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ozldctf" class="box"><p><p> 變壓器絕緣電阻測(cè)試的操作步驟？ </p> <p> <br /> </p> <p> <br /> </p> <p> (1)搖測(cè)二次繞組對(duì)一次繞組及地(殼)的絕緣電阻的接線辦法：將二次繞組引出端2U，2V、2W、N用裸銅線短接。以備接兆歐表“L”端；將一次繞組三相引出端1U、1V、1W及地(殼)用裸銅線短接后，接在兆歐表“E”端；必要時(shí)，為減少外表走漏影響丈量值可用裸銅線在二次側(cè)瓷套管的瓷裙上纏繞幾匝之后，再用絕緣導(dǎo)線接在兆歐表“G”端。 </p> <p> (2)在丈量時(shí)，一手按著搖表外殼(以防搖表振動(dòng))。當(dāng)表針指示為0時(shí)，上海絕緣油樣微水檢測(cè)，應(yīng)立刻中止搖動(dòng)，上海絕緣油樣微水檢測(cè)，以免燒表； </p> <p> (3)丈量時(shí)，應(yīng)將搖表置于程度位置，以每分鐘大約120轉(zhuǎn)的速度轉(zhuǎn)動(dòng)發(fā)電機(jī)的搖把，在15s時(shí)讀取一數(shù)(R15)，在60s時(shí)再讀一數(shù)(R60)，上海絕緣油樣微水檢測(cè)，記載搖測(cè)數(shù)據(jù)。 </p> <p> (4) 待表針根本穩(wěn)定后讀取數(shù)值，先撤出“L”測(cè)線后再停搖兆歐表； </p> <p> (5) 搖測(cè)前后均要用放***將變壓器繞組對(duì)地放電；一般防護(hù)安全工器具：是指防護(hù)工作人員發(fā)生事故的工器具。上海絕緣油樣微水檢測(cè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海絕緣油樣微水檢測(cè),檢測(cè)" src="http://tyunfile.71360.com/UpLoadFile/2019/10/9/15/637062304534785889_hapn_7884688.jpg"></div><p> 變壓器需要檢驗(yàn)?zāi)男╉?xiàng)目？ </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> a、變壓器的油溫及溫度計(jì)應(yīng)正常，儲(chǔ)油柜的油位應(yīng)與溫度相對(duì)應(yīng)，各部位無(wú)滲油、漏油。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> b、套管油位應(yīng)正常，套管外部無(wú)破損裂紋、無(wú)嚴(yán)重油污、無(wú)放電痕跡及其它異常現(xiàn)象。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> c、變壓器的聲響正常。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> d、各冷卻器手感溫度應(yīng)相近，風(fēng)扇、油泵、水泵運(yùn)轉(zhuǎn)正常，油流繼電器工作正常。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> e、吸濕器完好，吸附劑枯燥。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> f、引線接頭、電纜、母線應(yīng)無(wú)發(fā)熱現(xiàn)象。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> g、壓力釋放器、平安氣道及防爆膜應(yīng)完好無(wú)損。 </p> <p> <br /> </p> <p> <br /> </p> <p> h、瓦斯繼電器內(nèi)無(wú)氣體，散熱器及瓦斯繼電器由變壓器本體銜接閥門(mén)在開(kāi)打位置。浙江耦合電容器檢測(cè)電力安全工器具是防止電力作業(yè)人員發(fā)生觸電、機(jī)械傷害、高處墜落等傷害及職業(yè)危害的材料、器械和裝置；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海絕緣油樣微水檢測(cè),檢測(cè)" src="http://tyunfile.71360.com/UploadFile/hapn/637146107621748047/5406376.jpg"></div><p> 超高頻檢測(cè)法 </p> <p> 變壓器在發(fā)作局部放電時(shí)都會(huì)呈現(xiàn)正負(fù)電荷中和的現(xiàn)象，而且隨同這一現(xiàn)象都會(huì)構(gòu)成一個(gè)陡的電流脈沖向四周輻射電磁波。 </p> <p> 該辦法首要是經(jīng)過(guò)對(duì)變壓器內(nèi)部產(chǎn)生局部放電時(shí)所發(fā)射的超高頻電磁波中止接納，從而抵達(dá)對(duì)局部放電的定位和檢測(cè)。這種檢測(cè)辦法的首要優(yōu)點(diǎn)是丈量頻率比擬高、檢測(cè)頻率范圍可以調(diào)理、抗電磁波干擾性能強(qiáng)、靈活度較高。 </p> <p> 射頻檢測(cè)法 </p> <p> 該辦法首要是經(jīng)過(guò)應(yīng)用電流互感線圈從變壓器的中性點(diǎn)中止丈量獲取信號(hào)，丈量的信號(hào)頻率通常能夠抵達(dá)3 </p> <p> 萬(wàn)kHz，從很大水平進(jìn)步了局部放電的丈量頻率。首要優(yōu)點(diǎn)是射頻檢測(cè)體系裝置便利，檢測(cè)設(shè)備不會(huì)改動(dòng)變壓器的運(yùn)轉(zhuǎn)辦法；其缺點(diǎn)是由于射頻檢測(cè)只能對(duì)單一的信號(hào)中止分辯，無(wú)法精確的判別三相變壓器局部放電信號(hào)的總和，因而，不適合三相變壓器的局部放電檢測(cè)。 </p><p> 普通常用變壓器的分類(lèi)可歸結(jié)如下： </p> <p> 1、按繞組方式分： </p> <p> 1）雙繞組變壓器：用于銜接電力系統(tǒng)中的兩個(gè)電壓等級(jí)。 </p> <p> 2）三繞組變壓器：普通用于電力系統(tǒng)區(qū)域變電站中，銜接三個(gè)電壓等級(jí)。 </p> <p> 3）自耦變電器：用于銜接不同電壓的電力系統(tǒng)。也可做為普通的升壓或降后變壓器用。 </p> <p> 2、按鐵芯方式分： </p> <p> 1）芯式變壓器：用于高壓的電力變壓器。 </p> <p> 2）非晶合金變壓器：非晶合金鐵芯變壓器是用新型導(dǎo)磁資料，空載電流降落約80%，是節(jié)能效果較理想的配電變壓器，特別適用于鄉(xiāng)村電網(wǎng)和開(kāi)展中地域等負(fù)載率較低中間。 </p> <p> 3）殼式變壓器：用于大電流的特殊變壓器，如電爐變壓器、電焊變壓器；或用于電子儀器及電視、收音機(jī)等的電源變壓器。變壓器電力測(cè)試有交流耐壓試驗(yàn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海絕緣油樣微水檢測(cè),檢測(cè)" src="http://tyunfile.71360.com/UploadFile/hapn/637146107672070312/4909788.jpg"></div><p> 檢驗(yàn)電氣設(shè)備絕緣耐受工頻電壓作用才能的實(shí)驗(yàn)。對(duì)220kv及以下電氣設(shè)備也 </p> <p> <br /> </p> <p> 用它來(lái)檢驗(yàn)絕緣耐受操作過(guò)電壓，暫時(shí)過(guò)電壓的才能。實(shí)驗(yàn)時(shí)，按規(guī)則將被試品接入實(shí)驗(yàn)回路，逐漸升高電壓至規(guī)范規(guī)則的額定工頻耐受電壓值，堅(jiān)持1 min，然后疾速、平均地降壓到零，在規(guī)則的時(shí)間內(nèi)，被試品絕緣未發(fā)作擊穿穿或外表閃絡(luò)，則以為經(jīng)過(guò)了該項(xiàng)實(shí)驗(yàn)。工頻交流實(shí)驗(yàn)所施電壓高出電氣設(shè)備額定工作電壓，經(jīng)過(guò)這一實(shí)驗(yàn)?zāi)軌虬l(fā)現(xiàn)很多絕緣缺點(diǎn)，特別對(duì)部分缺點(diǎn)更為有用。 </p> <p> 交流耐壓實(shí)驗(yàn)可用工頻交流耐壓實(shí)驗(yàn)安裝（又稱(chēng)串聯(lián)諧振，變頻串聯(lián)諧振，串聯(lián)諧振安裝，串聯(lián)諧振耐壓實(shí)驗(yàn)設(shè)備，交流耐壓實(shí)驗(yàn)安裝）停止實(shí)驗(yàn)。導(dǎo)電鞋（防靜電鞋）、安全自鎖器、速差自控器屬于一般防護(hù)安全工器具。上海絕緣油樣微水檢測(cè)</p><p style="text-indent:25px">為滿足用電安全需要，對(duì)斷路器的額定電流、電壓、短路電流進(jìn)行的測(cè)試。上海絕緣油樣微水檢測(cè)</p><p style="text-indent:25px"> 絕緣手套是電工安防用品，起到對(duì)手或許人體的保護(hù)作用，用橡膠、乳膠、塑料等資料做成，具有防電，防水、耐酸堿、防化、防油的功用。適用于電力行業(yè)，轎車(chē)和機(jī)械修理，化工行業(yè)，精密設(shè)備。每種資料擁有不同特色，依據(jù)與手套觸摸的化學(xué)品品種，具有專(zhuān)門(mén)用途。絕緣手套是單個(gè)防護(hù)配備中絕緣防護(hù)的重要組成部分，跟著電力工業(yè)的展開(kāi)，帶電作業(yè)技術(shù)的推廣，對(duì)帶電作業(yè)用高壓絕緣手套運(yùn)用安全性提出了更加嚴(yán)峻的要求。絕緣手套穿戴的目的是防止觸電損害首要是人體通過(guò)電流構(gòu)成，因此絕緣體的防護(hù)功用的好壞首要看在必定的電壓下所通過(guò)的走漏電流的大小，若是走漏電流是在安全電流數(shù)值規(guī)劃之內(nèi)是安全的，否則是不安全的。若是施加必定的電壓，盡管沒(méi)有構(gòu)成擊穿，但走漏電流過(guò)大相同構(gòu)成人體損害。上海絕緣油樣微水檢測(cè)</p><p style="text-indent:25px">淮安沛能電力技術(shù)有限公司主營(yíng)品牌有沛能電力檢測(cè)，發(fā)展規(guī)模團(tuán)隊(duì)不斷壯大，該公司服務(wù)型的公司。沛能電力檢測(cè)是一家有限責(zé)任公司企業(yè)，一直“以人為本，服務(wù)于社會(huì)”的經(jīng)營(yíng)理念;“誠(chéng)守信譽(yù)，持續(xù)發(fā)展”的質(zhì)量方針。公司業(yè)務(wù)涵蓋電力安全工器具檢測(cè)，儀器儀表計(jì)量檢測(cè)，銷(xiāo)售各種安全工器具，絕緣膠墊集中上門(mén)檢測(cè)，價(jià)格合理，品質(zhì)有保證，深受廣大客戶的歡迎。沛能電力檢測(cè)以創(chuàng)造***產(chǎn)品及服務(wù)的理念，打造高指標(biāo)的服務(wù)，引導(dǎo)行業(yè)的發(fā)展。</p></p><br /><p>文章來(lái)源地址: 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