鎮(zhèn)江柴油發(fā)電機(jī)銷售上海翊皖船舶設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="船用發(fā)電機(jī)工作原理：發(fā)電機(jī)為無刷自勵(lì)帶自動(dòng)電壓調(diào)節(jié)器的同步發(fā)電機(jī)，它由六大部分組成：主定子(電樞)、主轉(zhuǎn)子(磁場)、勵(lì)磁機(jī)定子(磁場)、勵(lì)磁機(jī)轉(zhuǎn)子(電樞)、旋轉(zhuǎn)整流器和電壓調(diào)節(jié)器，區(qū)分上述部件的簡單方法是：定子是固定的，轉(zhuǎn)子旋轉(zhuǎn)，磁場為輸入"><meta name="keywords" content="鎮(zhèn)江柴油發(fā)電機(jī)銷售,發(fā)電機(jī)"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta 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clearfix"><h1>鎮(zhèn)江柴油發(fā)電機(jī)銷售上海翊皖船舶設(shè)備供應(yīng)</h1><div id="yrjwqz2" class="proBig"><div id="8jfxrdf" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423551187927749/4349064.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rvce4i3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423551187927749/4349064.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="lewtdpw" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>鎮(zhèn)江柴油發(fā)電機(jī)銷售,發(fā)電機(jī)</p><p><span>***更新：</span>2021-01-15 02:15:05</p><p><span id="click" >瀏覽次數(shù)：19次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="2zlnhda" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海翊皖船舶設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>徐慶華</p><p><span>郵箱: </span>hc_automation@163.com</p><p><span>電話: </span>13917998260</p><p><span>傳真: </span>021_58461662</p><p><span>網(wǎng)址: </span>http://www.sh-yiwan.cn</p><p><span>手機(jī): </span>021-58361662</p><p><span>地址: </span>中國(上海)自由貿(mào)易試驗(yàn)區(qū)張楊路828-838號(hào)26樓</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="mv2l8mt" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8x3shy7" class="box"><p><p style="text-indent:25px">船用發(fā)電機(jī)工作原理：發(fā)電機(jī)為無刷自勵(lì)帶自動(dòng)電壓調(diào)節(jié)器的同步發(fā)電機(jī)，它由六大部分組成：主定子(電樞)、主轉(zhuǎn)子(磁場)、勵(lì)磁機(jī)定子(磁場)、勵(lì)磁機(jī)轉(zhuǎn)子(電樞)、旋轉(zhuǎn)整流器和電壓調(diào)節(jié)器，區(qū)分上述部件的簡單方法是：定子是固定的，轉(zhuǎn)子旋轉(zhuǎn)，磁場為輸入端而電樞為輸出。發(fā)電機(jī)的勵(lì)磁機(jī)由固定的磁場和旋轉(zhuǎn)的電樞組成，勵(lì)磁機(jī)定子被設(shè)計(jì)成能產(chǎn)生剩磁然后在勵(lì)磁機(jī)轉(zhuǎn)子(電樞)中感應(yīng)交流電壓，該電壓經(jīng)過旋轉(zhuǎn)整流器整流后直接供給主極轉(zhuǎn)子(磁場)，發(fā)電機(jī)繼續(xù)旋轉(zhuǎn)，主轉(zhuǎn)子在發(fā)電機(jī)的定子(電樞)中感應(yīng)電壓，到額定轉(zhuǎn)速時(shí)，鎮(zhèn)江柴油發(fā)電機(jī)銷售，定子電壓使電壓調(diào)節(jié)器工作，調(diào)壓器產(chǎn)生電壓供給勵(lì)磁機(jī)建立并穩(wěn)定發(fā)電機(jī)的端電壓，該系統(tǒng)無需對(duì)調(diào)壓器提供特殊的磁場電流，鎮(zhèn)江柴油發(fā)電機(jī)銷售。發(fā)電機(jī)建立初始電壓后，鎮(zhèn)江柴油發(fā)電機(jī)銷售，調(diào)壓器就產(chǎn)生可控的直流電壓供給勵(lì)磁機(jī)定子從而控制發(fā)電機(jī)電壓。干燥時(shí)的注意事項(xiàng)；加熱干燥應(yīng)在清潔的空氣中進(jìn)行，干燥前用壓縮空氣將發(fā)電機(jī)吹拂干凈。鎮(zhèn)江柴油發(fā)電機(jī)銷售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江柴油發(fā)電機(jī)銷售,發(fā)電機(jī)" src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423551187927749/4349064.png"></div><p style="text-indent:25px">判斷船用三相異步電動(dòng)機(jī)故障：三相異步電動(dòng)機(jī)的故障總共分為兩種――電氣故障和機(jī)械故障。電氣故障包括開關(guān)、熔斷器、按鈕、定子繞組和啟動(dòng)設(shè)備故障等；機(jī)械故障包括軸承、機(jī)殼、轉(zhuǎn)軸、風(fēng)葉和端蓋故障等。電子電氣員負(fù)擔(dān)頗重，他們要熟知各種電動(dòng)機(jī)故障，一旦三相異步電動(dòng)機(jī)出現(xiàn)故障，船舶電子電氣員必須在短時(shí)間內(nèi)準(zhǔn)確地找到故障發(fā)生的原因及部位，運(yùn)用電機(jī)學(xué)理論對(duì)不同的故障進(jìn)行比較，分析，排除無關(guān)因素，得出故障原因及部位，以下為判斷故障的具體步驟：（1）熟練掌握電動(dòng)機(jī)的運(yùn)行狀態(tài)，電動(dòng)機(jī)的結(jié)構(gòu)，規(guī)格和工作機(jī)理。在平時(shí)電動(dòng)機(jī)正常運(yùn)行時(shí)，時(shí)刻關(guān)注其運(yùn)行狀態(tài)，一旦電動(dòng)機(jī)發(fā)生異常（如電機(jī)溫度突然升高、電機(jī)聲音非常態(tài)），電子電氣員要立即檢修。（2）在電動(dòng)機(jī)發(fā)生故障后，仔細(xì)觀察發(fā)生鼓掌的諸多異常現(xiàn)象（如聲響、震動(dòng)、溫度、煙霧、轉(zhuǎn)速、焦臭味、電源電壓和電流等）。（3）當(dāng)電機(jī)故障異常現(xiàn)象不明顯時(shí)，需要借助**儀表進(jìn)行排查，找出發(fā)生故障的具體原因及部位。鎮(zhèn)江柴油發(fā)電機(jī)銷售應(yīng)根據(jù)不同用途選擇負(fù)荷容量和負(fù)荷的變化范圍，確定柴油發(fā)電組機(jī)的單機(jī)容量和備用柴油發(fā)電機(jī)組容量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江柴油發(fā)電機(jī)銷售,發(fā)電機(jī)" src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423551221422878/8787896.png"></div><p style="text-indent:25px">船用發(fā)電機(jī)干燥時(shí)的注意事項(xiàng)：加熱干燥應(yīng)在清潔的空氣中進(jìn)行，干燥前用壓縮空氣將發(fā)電機(jī)吹拂干凈。若繞組潮濕嚴(yán)重，則需先用熱風(fēng)法進(jìn)行干燥，經(jīng)一定時(shí)間干燥后，再帶負(fù)荷干燥，以免絕緣被擊穿。干燥時(shí)，應(yīng)多放些溫度計(jì)，分布在發(fā)電機(jī)的各部分，以便掌握各部分的溫度，防止局部過熱。加熱應(yīng)緩慢進(jìn)行，以免線圈內(nèi)部的潮氣驟然蒸發(fā)而發(fā)生絕緣損傷。若干燥溫度達(dá)不到要求的溫度時(shí)，可在略低的溫度下進(jìn)行干燥，只是時(shí)間應(yīng)適當(dāng)加長。發(fā)電機(jī)干燥初期，由于繞組發(fā)熱，水分蒸發(fā)出來，使絕緣電阻下降，然后又逐漸上升，上升的速度愈來愈慢，穩(wěn)定在一定的數(shù)值上。在恒定溫度下，絕緣電阻保持3h以上不變時(shí)，干燥工作即可結(jié)束。不論何種方法，在干燥后，當(dāng)線圈冷卻到60℃時(shí)，定子繞組和轉(zhuǎn)手繞組的絕電阻以 500V兆歐表測量，應(yīng)不低于0．5兆歐。</p><p style="text-indent:25px">船用柴油發(fā)電機(jī)燒瓦的原因：一是沒按季節(jié)使用潤滑油。不同季節(jié)應(yīng)使用不同牌號(hào)的潤滑油。一些柴油機(jī)燒瓦，就是因夏季使用粘度小的潤滑油，在軸瓦接觸面上形成不了油膜所致。二是潤滑油不清潔。若將不清潔的潤滑油加入機(jī)體內(nèi)，就會(huì)堵塞油路造成燒瓦。三是不注意觀察儀表。柴油機(jī)正常工作時(shí)機(jī)油壓力應(yīng)在(0.15~0.25)MPa之間，怠速運(yùn)轉(zhuǎn)機(jī)油壓力不小于0.5MPa。許多機(jī)手很少注意看機(jī)油壓力表，因而也不能及時(shí)發(fā)現(xiàn)故障隱患。四是添加機(jī)油不適量。若機(jī)油過多，發(fā)動(dòng)機(jī)運(yùn)轉(zhuǎn)時(shí)容易燒機(jī)油，形成積碳,若過少，則會(huì)因潤滑不良而燒瓦抱軸。一般機(jī)油面處于油尺上下刻度之間較為適宜。五是長期超負(fù)荷而導(dǎo)致燒瓦。因長期超負(fù)荷作業(yè)，發(fā)動(dòng)機(jī)溫度高、轉(zhuǎn)速低，軸瓦的承載力增加，機(jī)油泵供油量相應(yīng)減少，加之機(jī)油在高溫下粘度降低，更容易造成燒瓦。六是軸與瓦的配合間隙不符合標(biāo)準(zhǔn)。間隙過小，機(jī)油不容易進(jìn)入，形成不了油膜層,間隙過大，機(jī)油容易流失，油膜層也難以形成。因此在修理裝配時(shí)，必須保證軸瓦間隙在標(biāo)準(zhǔn)范圍內(nèi)。功率沒有較大的，只有較合適的！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江柴油發(fā)電機(jī)銷售,發(fā)電機(jī)" src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423551321862327/6891930.png"></div><p style="text-indent:25px">由于船舶日趨大型化、巨型化與自動(dòng)化以及對(duì)船舶主機(jī)的經(jīng)濟(jì)性、可靠性的要求日益提高，大功率二沖程低速柴油機(jī)的技術(shù)發(fā)展呈現(xiàn)出整體優(yōu)化的趨勢(shì)，具體表現(xiàn)為以下幾個(gè)方面:(1) 單機(jī)、單缸功率越來越大，單機(jī)較大可達(dá)到11萬匹馬力。(2) 進(jìn)一步降低燃油消耗率，二沖程低速柴油機(jī)的燃油消耗率已降低到164g/ kW·h。(3) 平均有效壓力已達(dá)1190-1195MPa，爆發(fā)壓力在1510-1515MPa 。(4) 采用高壓比、高效的新型增壓器，如ABB 公司研制的4P 型增壓器，壓比高達(dá)5∶1。(5) 采用電子調(diào)速器系統(tǒng)、電控燃油噴射系統(tǒng)、高壓共軌燃油噴射系統(tǒng)、智能化電子控制系統(tǒng)，進(jìn)一步提高低速柴油機(jī)的可靠性，改善低負(fù)荷性能，降低油耗，控制NOx 排放，以及安全保護(hù)控制等。低速柴油機(jī)多為二沖程機(jī)，中速柴油機(jī)多為四沖程機(jī)，而高速柴油機(jī)兩者皆有。鎮(zhèn)江柴油發(fā)電機(jī)銷售</p><p style="text-indent:25px">為防止轉(zhuǎn)軸變形，應(yīng)周期地把轉(zhuǎn)子轉(zhuǎn)過180度。鎮(zhèn)江柴油發(fā)電機(jī)銷售</p><p style="text-indent:25px">船用三相異步電動(dòng)機(jī)常見故障的檢查及維修方法——定子故障：電動(dòng)機(jī)的接地故障是由于電動(dòng)機(jī)的機(jī)殼帶電，繞組過熱，導(dǎo)致電路出現(xiàn)短路，從而使電動(dòng)機(jī)工作發(fā)生異常。檢查定子繞組接地故障的方法很多，任何一種方法，在檢查接地故障前，都要先將各相的繞組接線端的連接片拆分開，一定要讓各部分分開檢測是否發(fā)生了接地故障。從眾多的實(shí)例中發(fā)現(xiàn)，電動(dòng)機(jī)的接地很大一部分發(fā)生在超出鐵心端部的線圈槽口位置，所以，可以用觀察法檢查該位置有無焦黑現(xiàn)象來檢測該故障。若電動(dòng)機(jī)在啟動(dòng)過程中出現(xiàn)難以啟動(dòng)，甚至無法啟動(dòng)的現(xiàn)象，則可以判斷是電動(dòng)機(jī)的定子繞組發(fā)生了斷路故障。常用的故障檢測方法有以下幾種：檢驗(yàn)燈法；三相電流平衡法；電阻法和萬用表法等。檢驗(yàn)燈法的具體操作方法是：將一個(gè)小燈泡與一節(jié)電池串聯(lián)，然后其中任意一相繞組的首尾分別與兩根引線相連。當(dāng)有并聯(lián)支路時(shí)，則必須拆開并聯(lián)支路的連接線，讓各支路互不連通。假如小燈泡不亮，則可以判定繞組發(fā)生了斷路故障，測量方法如圖1所示。鎮(zhèn)江柴油發(fā)電機(jī)銷售</p><p 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