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class="pic"><img src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423551287507296/5650692.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3t0dmz8" 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>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>寧海柴油發(fā)電機(jī),發(fā)電機(jī)</p><p><span>***更新：</span>2021-01-12 01:23:37</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="xa68qni" 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)易試驗區(qū)張楊路828-838號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="cuiwpml" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="v0luh0u" class="box"><p><p style="text-indent:25px">船用三相異步電動機(jī)常見故障的檢查及維修方法——電機(jī)絕緣故障：船舶環(huán)境具有特殊性，其電機(jī)在運行過程中發(fā)生絕緣故障的概率往往較高。在船用電機(jī)的制造上，世界各國都根據(jù)其不同的使用環(huán)境制訂了不同的標(biāo)準(zhǔn)和要求，以此降低在特殊環(huán)境中電機(jī)故障的發(fā)生率，長期以來，造船行業(yè)和電機(jī)行業(yè)在電機(jī)的絕緣研究上都極度重視，但是船用電機(jī)也依舊時常出現(xiàn)絕緣故障。其主要故障原因是繞組的機(jī)械性能和耐電性能不夠好以及絕緣性能很差，寧海柴油發(fā)電機(jī)。許多廠商為了降**造成本，在制造過程中降低用料的質(zhì)量，并且制造工藝落后，寧海柴油發(fā)電機(jī)，從而導(dǎo)致了電機(jī)絕緣性的下降。在電機(jī)的惡劣工作環(huán)境里，絕緣層壽命縮短了很多。電機(jī)的制作工藝、絕緣材料本身的質(zhì)量以及電機(jī)本身的結(jié)構(gòu)特點、工作環(huán)境和日常的維護(hù)是分析其故障較主要的幾個方面。要想電機(jī)的壽命延長，定期的檢查和保養(yǎng)必不可少，寧海柴油發(fā)電機(jī)。選購船用發(fā)電機(jī)：考慮一下買什么品牌、什么配置、多大功率的船用柴油發(fā)電機(jī)組！寧海柴油發(fā)電機(jī)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧海柴油發(fā)電機(jī),發(fā)電機(jī)" src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423551287507296/5650692.png"></div><p style="text-indent:25px">船用三相異步電動機(jī)常見故障的檢查及維修方法——定子故障：定子故障可以分為以下幾大類：定子繞組接地故障、定子繞組短路故障和定子繞組斷路故障。如果轉(zhuǎn)子的氣隙磁場發(fā)生畸變，就會多多少少引起轉(zhuǎn)子動偏心，這是定子繞組出現(xiàn)故障時的表現(xiàn)；如果繞組的自感、互感發(fā)生變化，則三相交流電動機(jī)的定子發(fā)生了短路故障。在發(fā)生短路故障時，三相電流之間的相位差會發(fā)生改變，源于定子電流的高次諧波增強(qiáng)。若要準(zhǔn)確判斷定子繞組有無發(fā)生短路故障，可以采用定子電流相位的診斷方法。因為現(xiàn)實的制作工藝不可能滿足電機(jī)完全對稱，所以判定定子繞組出現(xiàn)短路故障的條件是：三相電流的不對稱程度大于8%，且三相電流之間的相位差的較大值大于7%。溫嶺船用軸帶發(fā)電機(jī)發(fā)電機(jī)由六大部分組成：主定子、主轉(zhuǎn)子、勵磁機(jī)定子、勵磁機(jī)轉(zhuǎn)子、旋轉(zhuǎn)整流器和電壓調(diào)節(jié)器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧海柴油發(fā)電機(jī),發(fā)電機(jī)" src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637435703506704193/9110869.png"></div><p style="text-indent:25px">船舶發(fā)電機(jī)運行中的監(jiān)測——發(fā)電機(jī)軸承溫度的監(jiān)測:發(fā)電機(jī)軸承有滑動軸承與滾珠軸承兩種類型。滑動軸承形式的發(fā)電機(jī)，軸承允許溫度為70℃。實際軸承溫度可通過裝于軸承端的溫度表來檢測。運行中的發(fā)電機(jī)只要潤滑油位在規(guī)定范圍內(nèi)，滑油清潔，對中正常，則軸承溫度一般不會超過65℃。出現(xiàn)超溫時可以由以上幾方面查找原因。滾動軸承形式的發(fā)電機(jī)，用于小功率場合（如應(yīng)急發(fā)電機(jī)），軸承允許溫度為80℃，軸承溫度一般通過手摸外殼來粗略估計。發(fā)電機(jī)電壓的監(jiān)測：運行中的發(fā)電機(jī)電壓應(yīng)達(dá)到額定值。其允許變化范圍不應(yīng)超過額定電壓的±2.5％，若端電壓過低或過高，將影響船舶電機(jī)、電氣設(shè)備的正常工作，甚至燒壞設(shè)備。</p><p style="text-indent:25px">船用三相異步電動機(jī)常見故障的檢查及維修方法——轉(zhuǎn)子故障：轉(zhuǎn)子故障可以分為兩類，一類是轉(zhuǎn)子繞組的故障，一類是轉(zhuǎn)子本身的故障。造成轉(zhuǎn)子故障的主要原因是轉(zhuǎn)子的制作工藝存在一定的缺陷，從而導(dǎo)致轉(zhuǎn)子的質(zhì)量不合格或者轉(zhuǎn)子在負(fù)荷的作用下本身結(jié)構(gòu)鏈接松動，進(jìn)而使支架、鐵芯等部件松動和開裂。轉(zhuǎn)子的不平衡通常由其匝間的斷條、短路以及轉(zhuǎn)子零部件的松動及脫落、轉(zhuǎn)子端環(huán)移位或者轉(zhuǎn)子安裝未校正造成。這些異常一旦發(fā)生，電機(jī)就會產(chǎn)生異常振動和噪聲。如果是安裝未校正而導(dǎo)致的轉(zhuǎn)子不平衡，可以采用在其不平衡的一端配重的方法進(jìn)行修正。此外，當(dāng)出現(xiàn)電流擺動及三相電流不平衡的現(xiàn)象時，較大的可能是由于轉(zhuǎn)子繞組的絕緣過熱、損傷和繞組間的污垢積聚而導(dǎo)致的轉(zhuǎn)子繞組的匝間短路。當(dāng)出現(xiàn)電機(jī)啟動困難且電機(jī)電流擺動時，其原因可能是轉(zhuǎn)子設(shè)計和制造的缺陷，也有可能是電機(jī)長期過載，焊接不良而導(dǎo)致的轉(zhuǎn)子繞組斷路。若電機(jī)反復(fù)正反轉(zhuǎn)啟動，或者長期工作在重負(fù)荷下，船用電機(jī)很可能會發(fā)生斷條。在這種情況下，故障發(fā)生表現(xiàn)為電機(jī)在斷條運行時出現(xiàn)周期性的振動以及噪聲。維修之前，應(yīng)將所有的電源斷開，切斷所有的控制線路，以防發(fā)電機(jī)意外起動。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧海柴油發(fā)電機(jī),發(fā)電機(jī)" src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423551256237283/3944431.png"></div><p style="text-indent:25px">船用發(fā)電機(jī)工作原理：發(fā)電機(jī)為無刷自勵帶自動電壓調(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)、勵磁機(jī)定子(磁場)、勵磁機(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)的勵磁機(jī)由固定的磁場和旋轉(zhuǎn)的電樞組成，勵磁機(jī)定子被設(shè)計成能產(chǎn)生剩磁然后在勵磁機(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，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)無需對調(diào)壓器提供特殊的磁場電流。發(fā)電機(jī)建立初始電壓后，調(diào)壓器就產(chǎn)生可控的直流電壓供給勵磁機(jī)定子從而控制發(fā)電機(jī)電壓。發(fā)電機(jī)的加工面，如果由于油，漆脫落而銹蝕時，應(yīng)及時除銹，并涂以防銹漆。海寧船用高速發(fā)電機(jī)報價</p><p style="text-indent:25px">綁鋼索處必須墊以木板或橡皮。寧海柴油發(fā)電機(jī)</p><p style="text-indent:25px">船用主機(jī)大部分時間是在滿負(fù)荷情況下工作，有時在變負(fù)荷情況下運轉(zhuǎn)。船舶經(jīng)常在顛簸中航行，所以船用柴油機(jī)應(yīng)能在縱傾15°～25°和橫傾15°～35°的條件下可靠工作。大多數(shù)船舶采用增壓柴油機(jī)（見內(nèi)燃機(jī)增壓），小功率非增壓柴油機(jī)*用在小艇上。低速柴油機(jī)多數(shù)為二沖程機(jī)，中速柴油機(jī)多數(shù)為四沖程機(jī)，而高速柴油機(jī)則兩者皆有。船用二沖程柴油機(jī)的掃氣形式有回流掃氣、氣口- 氣門式直流掃氣和對置活塞式氣口掃氣。大功率中、低速柴油機(jī)普遍采用重油作為燃料，高速柴油機(jī)仍多用輕柴油。寧海柴油發(fā)電機(jī)</p><p style="text-indent:25px">上海翊皖船舶設(shè)備有限公司總部位于中國(上海)自由貿(mào)易試驗區(qū)張楊路828-838號26樓，是一家我司主要從事船舶設(shè)備的安裝、維修、倉儲（除危險化學(xué)品），特別擅長解決主機(jī)遙控的各種問題。從事船舶技術(shù)領(lǐng)域內(nèi)的技術(shù)開發(fā)，技術(shù)轉(zhuǎn)讓，技術(shù)服務(wù)，技術(shù)咨詢，從事貨物及技術(shù)的進(jìn)出口業(yè)務(wù)，以下限分支機(jī)構(gòu)經(jīng)營：船舶設(shè)備制造、加工。的公司。公司自創(chuàng)立以來，投身于主機(jī)遙控修理，監(jiān)測報警系統(tǒng)修理，船舶電機(jī)維修，閥門遙控修理，是機(jī)械及行業(yè)設(shè)備的主力軍。上海翊皖不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺，以應(yīng)用為重點，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務(wù)。上海翊皖始終關(guān)注機(jī)械及行業(yè)設(shè)備市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: 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