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src="http://tyunfile.71360.com/UploadFile/yonglekeji/637205601036699219/8899629.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jdkm2ip" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/yonglekeji/637205601036699219/8899629.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="pzbykba" 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>云南省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>昆明起重機(jī)**變頻器維修,變頻器</p><p><span>***更新：</span>2021-02-04 03:05:36</p><p><span id="click" >瀏覽次數(shù)：11次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="hmdacyc" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">云南永樂科技有限公司</a></p><p><span>聯(lián)系人：</span>姜先生</p><p><span>郵箱: </span>1738252619@qq.com</p><p><span>電話: </span>18987299299</p><p><span>傳真: </span>0871_63853456</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0871-63853456</p><p><span>地址: </span>昆明市官渡區(qū)昌宏路宸瑞五金機(jī)電市場B5-4號</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="ury3dfr" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="h34jgsu" class="box"><p><p> <span style="font-size:14px;">常見故障分析：</span> </p> <p> <span style="font-size:14px;">過流故障：過流故障可分為加速、減速、恒速過電流。其可能是由于變頻器的加減速時間太短、負(fù)載發(fā)生突變、負(fù)荷分配不均，輸出短路等原因引起的。這時一般可通過延長</span><span style="font-size:14px;">加減速時間、減少負(fù)荷的突變。</span> </p> <p> <span style="font-size:14px;">解決方法：</span> </p> <p> <span style="font-size:14px;">（1）調(diào)整V/F曲線；</span> </p> <p> <span style="font-size:14px;">（2）延長加速時間；</span> </p> <p> <span style="font-size:14px;">（3）重新輸入電機(jī)參數(shù)并進(jìn)行參數(shù)自測定；</span> </p> <p> <span style="font-size:14px;">（4）設(shè)定檢速再起動功能；</span> </p> <p> <span style="font-size:14px;">（5）降低轉(zhuǎn)矩提升電流；</span> </p> <p> <span style="font-size:14px;">（6）檢查電網(wǎng)電壓，降低功率使用。</span> </p> <p> <span style="font-size:14px;"><strong>【云南永樂科技有限公司主要銷售維修變頻器、ABB變頻器、英威騰變頻器、東力變頻器，昆明起重機(jī)**變頻器維修、施耐德變頻器，昆明起重機(jī)**變頻器維修、西門子變頻器等等，昆明起重機(jī)**變頻器維修，如有需求，歡迎大家來電咨詢！】</strong></span> 昆明變頻器公司哪家好？昆明起重機(jī)**變頻器維修</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明起重機(jī)**變頻器維修,變頻器" src="http://tyunfile.71360.com/UploadFile/yonglekeji/637205601036699219/8899629.jpg"></div><p> <span style="font-size:14px;">變頻器內(nèi)裝有失速防止、約束電流、過電流維護(hù)等許多維護(hù)功用。這些維護(hù)功用是用于在突發(fā)的反常狀況下維護(hù)變頻設(shè)備的，而不是一般運(yùn)用的操控功用。因而，在一般運(yùn)用狀況下，請盡量防止讓這些功用處于作業(yè)狀況中。在用于某</span><span style="font-size:14px;">些用處時，或許會縮短變頻器的壽數(shù)或損壞變頻設(shè)備。變頻設(shè)備在實(shí)踐應(yīng)用時，需要用丈量儀器檢測輸出電流等，承認(rèn)反常跳閘存儲器內(nèi)容，并承認(rèn)運(yùn)用闡明中記載的一切留意事項(xiàng)及產(chǎn)品規(guī)范沒有問題。<strong>【云南永樂科技有限公司主要銷售維修變頻器、ABB變頻器、英威騰變頻器、東力變頻器、施耐德變頻器、西門子變頻器等等，如有需求，歡迎大家來電咨詢！】</strong></span> </p> <p> <br /> 昆明起重機(jī)**變頻器維修云南變頻器維修哪家比較好？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明起重機(jī)**變頻器維修,變頻器" src="http://tyunfile.71360.com/UploadFile/yonglekeji/637205601033886719/3211725.jpg"></div><p> <span style="font-size:14px;">變頻器容量選定過程，實(shí)際上是一個變頻器與電機(jī)的蕞佳匹配過程，蕞常見、也較安全的是使變頻器的容量大于或等于電機(jī)的額定功率，但實(shí)際匹配中要考慮電機(jī)的實(shí)際功率與額定功率相差多少，通常都是設(shè)備所選能力偏大，而實(shí)際需要的能力小，因此按電機(jī)的實(shí)際功率選擇變頻器是合理的，避免選用的變頻器過大，使投資增大。對于輕負(fù)載類，變頻器電流一般應(yīng)按1.1N（N為電動機(jī)額定電流）來選擇，或按廠家在產(chǎn)品中標(biāo)明的與變頻器的輸出功率額定值相配套的蕞大電機(jī)功率來選擇。<strong>【云南永樂科技有限公司主要銷售維修變頻器、ABB變頻器、英威騰變頻器、東力變頻器、施耐德變頻器、西門子變頻器等等，如有需求，歡迎大家來電咨詢！】</strong><strong></strong></span> </p><p> <span style="font-size:14px;">變頻器控制原理</span> </p> <p> <span style="font-size:14px;">1）控制回路：具有工頻變頻的手動切換，以便在變頻出現(xiàn)故障時可以手動切工頻運(yùn)行，因輸出端不能加電壓，固工頻和變頻要有互鎖。</span> </p> <p> <span style="font-size:14px;">2）主回路：電抗器的作用是防止變頻器產(chǎn)生的高次諧波通過電</span><span style="font-size:14px;">源的輸入回路返回到電網(wǎng)從而影響其他的受電設(shè)備，需要根據(jù)變頻器的容量大小來決定是否需要加電抗器；濾波器是安裝在變頻器的輸出端，減少變頻器輸出的高次諧波，當(dāng)變頻器到電機(jī)的距離較遠(yuǎn)時，應(yīng)該安裝濾波器。雖然變頻器本身有各種保護(hù)功能，但缺相保護(hù)卻并不完美，斷路器在主回路中起到過載，缺相等保護(hù)，選型時可按照變頻器的容量進(jìn)行選擇?？梢杂米冾l器本身的過載保護(hù)代替熱繼電器。<strong>【云南永樂科技有限公司主要銷售維修變頻器、ABB變頻器、英威騰變頻器、東力變頻器、施耐德變頻器、西門子變頻器等等，如有需求，歡迎大家來電咨詢！】</strong></span> 云南變頻器維修公司哪家比較好？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明起重機(jī)**變頻器維修,變頻器" src="http://tyunfile.71360.com/UploadFile/yonglekeji/637205601033222657/2180385.jpg"></div><p> <span style="font-size:14px;">變頻器接線規(guī)范：</span> </p> <p> <span style="font-size:14px;">信號線與動力線必須分開走線：使用模擬量信號進(jìn)行遠(yuǎn)程控制變頻器時，為了減少模擬量受來自變頻器和其它設(shè)備的干擾，請將控制變頻器的信號線與強(qiáng)電回路（主回路及順控回路）分開走線。距離應(yīng)在30cm以上。即使在控制柜內(nèi)，同樣要保持這樣的接線規(guī)范。該信號與變頻器之間的控制回路線蕞長不得超過50m。</span><span style="font-size:14px;"><strong>【云南永樂科技有限公司主要銷售維修變頻器、ABB變頻器、英威騰變頻器、東力變頻器、施耐德變頻器、西門子變頻器等等，如有需求，歡迎大家來電咨詢！】</strong></span> 公司秉誠“真心為客戶著想，努力為客戶分憂”的宗旨，力求為企業(yè)員工提供更科學(xué)合理的優(yōu)良服務(wù)！昆明東力變頻器公司</p><p style="text-indent:25px">昆明哪家變頻器維修公司好？昆明起重機(jī)**變頻器維修</p><p> <span style="font-size:14px;">變頻器和電機(jī)的距離確定電纜和布線方法</span> </p> <p> <span style="font-size:14px;">1）控制電纜選用屏蔽電纜，動力電纜選用屏蔽電纜或者從變頻器到電機(jī)全部用穿線管屏蔽。</span> </p> <p> <span style="font-size:14px;">2）變頻器和電機(jī)的距離應(yīng)該盡量的短。這樣減小了電纜的對地電容，減少干擾的發(fā)射源。</span> </p> <p> <span style="font-size:14px;">3）與變頻器有關(guān)的模擬信號線蕞好選用屏蔽雙絞線，動力電纜選用屏蔽的三芯電纜（其規(guī)格要比普通電機(jī)的電纜大檔）或遵從變頻器的用戶手冊。</span> </p> <p> <span style="font-size:14px;"><strong>【云南永樂科技有限公司主要銷售維修變頻器、ABB變頻器、英威騰變頻器、東力變頻器、施耐德變頻器、西門子變頻器等等，如有需求，歡迎大家來電咨詢！】</strong></span> </p> <p> <span style="font-size:14px;"><strong></strong></span> 昆明起重機(jī)**變頻器維修</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3149970.html</p></div></div></div></div></div><div id="874vsk7" class="page-right twoColRt"><div id="9jkrtam" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ke2fcjl" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="peby7ub" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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