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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3s7iovm" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/yonglekeji/637205586873398438/5769910.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3dqarta" 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>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>昆明變頻器供應(yīng)商,變頻器</p><p><span>***更新：</span>2021-02-06 07:13:51</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="eyqm8c2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">云南永樂(lè)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(chǎng)B5-4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="iry277t" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="cqcl8qs" class="box"><p><p> <span style="font-size:14px;">維修檢查時(shí)注意事項(xiàng)：</span> </p> <p> <span style="font-size:14px;">1、維修檢查時(shí)，務(wù)必先切斷輸入變頻器（L1,L2,L3)之電源</span> </p> <p> <span style="font-size:14px;">2，昆明變頻器供應(yīng)商、確定變頻器電源</span><span style="font-size:14px;">切斷，預(yù)示幕亮度消失后，再檢查內(nèi)部指示燈是否熄滅后才實(shí)施維修，檢修。</span> </p> <p> <span style="font-size:14px;">3，安裝、取下連接器時(shí)，不可將內(nèi)部電線及線材、排線拔起取下及誤配，否則會(huì)造成變頻器之不動(dòng)作或損壞。</span> </p> <p> <span style="font-size:14px;">4、安裝時(shí)電源輸入端必須裝入正確位置（注意電源線及馬達(dá)線）</span> </p> <p> <span style="font-size:14px;">5、安裝時(shí)螺絲等配件不可留置在變頻器內(nèi)部，昆明變頻器供應(yīng)商，以免電路板造成短路現(xiàn)象。</span> </p> <p> <span style="font-size:14px;">6、安裝后保持變頻器的干凈，避免粉塵，油氣侵入</span> </p> <p> <strong><span style="font-size:14px;">【云南永樂(lè)科技有限公司主要銷售維修變頻器、ABB變頻器，昆明變頻器供應(yīng)商、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(lái)電咨詢！】</span></strong><strong><span style="font-size:14px;"></span></strong> 云南變頻器維修哪家公司比較好？昆明變頻器供應(yīng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明變頻器供應(yīng)商,變頻器" src="http://tyunfile.71360.com/UploadFile/yonglekeji/637205586873398438/5769910.jpg"></div><p style="text-indent:25px"><span style="font-size:14px;">變頻器的主電路大體上可分為兩類：電壓型是將電壓源的直流變換為交流的變頻器，直流回路的濾波是電容；電流型是將電流源的直流變換為交流的變頻器，其直流回路濾波是電感。電動(dòng)機(jī)使用工頻電源驅(qū)動(dòng)時(shí)，電壓下降則電流增加；對(duì)于變頻器驅(qū)動(dòng)，如果頻率下降時(shí)電壓也下降，那么電流是否增加？頻率下降（低速）時(shí)，如果輸出相同的功率,則電流增加，但在轉(zhuǎn)矩一定的條件下,電流幾乎不變。采用變頻器運(yùn)轉(zhuǎn)，隨著電機(jī)的加速相應(yīng)提高頻率和電壓，起動(dòng)電流被限制在150%額定電流以下(根據(jù)機(jī)種不同，為125%~200%)。<strong>【云南永樂(lè)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(lái)電咨詢！】</strong></span>云南高壓變頻器修理服務(wù)態(tài)度好，準(zhǔn)時(shí)，價(jià)格滿意。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明變頻器供應(yīng)商,變頻器" src="http://tyunfile.71360.com/UploadFile/yonglekeji/637205586874160156/6111974.jpg"></div><p> <span style="font-size:14px;">永樂(lè)科技提供多種低壓、中壓、高壓寬電壓范圍等級(jí)通用變頻器以及多種行業(yè)**變頻器，國(guó)際前列的矢量控制技術(shù)，還可搭配豐富功能擴(kuò)展卡，應(yīng)用靈活、運(yùn)行穩(wěn)定，普遍應(yīng)用于工業(yè)自動(dòng)化各類領(lǐng)域，***品質(zhì)，20多萬(wàn)臺(tái)變頻器與客戶共同見(jiàn)證。</span> </p> <p> <span style="font-size:14px;">低壓通用變頻器：性能優(yōu)異、功能豐富、易用可靠，規(guī)格齊全。普遍應(yīng)用于國(guó)內(nèi)外80多個(gè)國(guó)家各類應(yīng)用領(lǐng)域，得到客戶認(rèn)可。</span> </p> <p> <span style="font-size:14px;">中壓變頻器：普遍應(yīng)用于礦山行業(yè)采煤機(jī)、連采機(jī)、梭車、輸送機(jī)、提升機(jī)、絞車、乳化液泵、潛油電泵、礦用風(fēng)機(jī)、水泵等設(shè)備，具有驅(qū)動(dòng)性能優(yōu)異、多機(jī)功能平衡同步、低頻大扭矩平穩(wěn)啟動(dòng)、完善自學(xué)習(xí)等功能特點(diǎn)。</span> </p> <p> <span style="font-size:14px;">高壓變頻器：采用了主流的功率單元串聯(lián)技術(shù)，以DSP+ARM+FPGA三核處理器為控制**，集成了當(dāng)前先進(jìn)的電機(jī)矢量控制算法，控制精度高，響應(yīng)速度快，低頻大轉(zhuǎn)矩，十分適用于高壓異步電機(jī)和同步電機(jī)節(jié)能調(diào)速以及工藝改善。</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(dòng)切換，以便在變頻出現(xiàn)故障時(shí)可以手動(dòng)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(guò)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(lái)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(shí)，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(guò)載，缺相等保護(hù)，選型時(shí)可按照變頻器的容量進(jìn)行選擇?？梢杂米冾l器本身的過(guò)載保護(hù)代替熱繼電器。<strong>【云南永樂(lè)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(lái)電咨詢！】</strong></span> 經(jīng)過(guò)專業(yè)認(rèn)證，品質(zhì)保障。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明變頻器供應(yīng)商,變頻器" src="http://tyunfile.71360.com/UploadFile/yonglekeji/637205586874160156/9746724.jpg"></div><p style="text-indent:25px"><span style="font-size:14px;">在變頻器安裝中，通常會(huì)設(shè)置雷電吸收網(wǎng)絡(luò)來(lái)防止瞬時(shí)雷電侵入和損壞變頻器。然而，在實(shí)際工作中，當(dāng)電力線路架空引入時(shí)，單純的變頻器吸收網(wǎng)絡(luò)不能滿足要求。在閃電活躍的地區(qū)，這個(gè)問(wèn)題尤為重要。如果電源為架空進(jìn)線，則應(yīng)在進(jìn)線處安裝一個(gè)專門用的變頻避雷器(可選)，或根據(jù)規(guī)范要求，在距離變頻器20m處埋設(shè)一根鋼管進(jìn)行特殊接地保護(hù)。如果電源通過(guò)電纜引入，控制室的防雷系統(tǒng)應(yīng)做好準(zhǔn)備，防止雷電進(jìn)入并損壞設(shè)備。實(shí)踐表明，該方法能夠基本有效地解決雷擊問(wèn)題。</span><span style="font-size:14px;">變頻器正確接地是提高控制系統(tǒng)靈敏度和控制</span><span style="font-size:14px;">噪聲的重要手段。變頻器接地端子E(G)的接地電阻越小越好。接地導(dǎo)體的截面積應(yīng)不小于2mm2，長(zhǎng)度應(yīng)控制在20m以內(nèi)。變頻器的接地必須與電力設(shè)備的接地點(diǎn)分開，不能共用。信號(hào)輸入線的屏蔽層應(yīng)接E(G)，另一端不得接地，否則會(huì)引起信號(hào)變化波動(dòng)，使系統(tǒng)振蕩不止一次。變頻器和控制柜應(yīng)電氣連接。如果安裝困難，可以用銅線跨接。<strong>【云南永樂(lè)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(lái)電咨詢！】</strong><strong></strong></span>公司秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念。昆明低壓變頻器廠家</p><p style="text-indent:25px">昆明哪家變頻器公司好？昆明變頻器供應(yīng)商</p><p style="text-indent:25px">經(jīng)過(guò)幾十年的發(fā)展，我國(guó)的銷售已成為門類齊全、規(guī)模龐大、體系完整、產(chǎn)品配套能力強(qiáng)、具有明顯國(guó)際競(jìng)爭(zhēng)力的發(fā)展地位。并且隨著銷售的普遍推廣，社會(huì)對(duì)銷售也越加關(guān)注。如何運(yùn)用物聯(lián)網(wǎng)、云計(jì)算、移動(dòng)電子商務(wù)等新興科技手段對(duì)變頻器、軟起動(dòng)器、可編程控制器（PLC）、伺服控制器、人機(jī)界面、傳感器、開關(guān)電源、工業(yè)風(fēng)機(jī)、制動(dòng)單元及低壓電氣產(chǎn)品等。主要工程：變頻柜成套、電氣柜成套、恒壓供水系統(tǒng)、DCS系統(tǒng)工程、電氣控制及過(guò)程控制系統(tǒng)工程等。設(shè)備維修：變頻器維修、軟起動(dòng)器維修、可編程控制器（PLC）維修、人機(jī)界面維修等。進(jìn)行數(shù)字化、智能化的一種遷入和復(fù)合，提高傳統(tǒng)商場(chǎng)管理、服務(wù)的水平，使得變頻器、軟起動(dòng)器、可編程控制器（PLC）、伺服控制器、人機(jī)界面、傳感器、開關(guān)電源、工業(yè)風(fēng)機(jī)、制動(dòng)單元及低壓電氣產(chǎn)品等。主要工程：變頻柜成套、電氣柜成套、恒壓供水系統(tǒng)、DCS系統(tǒng)工程、電氣控制及過(guò)程控制系統(tǒng)工程等。設(shè)備維修：變頻器維修、軟起動(dòng)器維修、可編程控制器（PLC）維修、人機(jī)界面維修等。等產(chǎn)品運(yùn)轉(zhuǎn)更便捷。目前對(duì)有限責(zé)任公司（自然）發(fā)展有四大要求：一是能夠增強(qiáng)建筑物保溫隔熱效果的材料和產(chǎn)品。二是能夠減輕建筑物自重、節(jié)約材料的材料和產(chǎn)品。三是能夠促進(jìn)水資源利用的材料和產(chǎn)品。四是不對(duì)建筑物內(nèi)外環(huán)境產(chǎn)生污染的材料和產(chǎn)品。與此同時(shí)，貿(mào)易型要確立主動(dòng)長(zhǎng)入的發(fā)展理念，通過(guò)融合創(chuàng)新，掌握全產(chǎn)業(yè)鏈知識(shí)和技術(shù)，掌握重點(diǎn)技術(shù)并形成關(guān)鍵材料或產(chǎn)品制造能力，形成產(chǎn)品設(shè)計(jì)能力，通過(guò)產(chǎn)業(yè)鏈縱向聯(lián)合或并購(gòu)，提升全產(chǎn)業(yè)鏈資源配置和市場(chǎng)服務(wù)能力。昆明變頻器供應(yīng)商</p></p><br 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