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href="http://www.cdcfah.com/cp/third-diyadianqifj_qidongqikb/">起動器</a>?淄博科恩軟啟動器銷售淄博科恩電氣自動化技術供應</p><div id="utwo2ap" class="leftbox clearfix"><h1>淄博科恩軟啟動器銷售淄博科恩電氣自動化技術供應</h1><div id="nwo3vs3" class="proBig"><div id="3nkheix" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/4/13/14/636907616798092101_keendianqi_8628190.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="etldvsj" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/4/13/14/636907616798092101_keendianqi_8628190.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ukrolxu" 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>山東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產品關鍵詞：</span>淄博科恩軟啟動器銷售,科恩軟啟動器</p><p><span>***更新：</span>2020-08-13 18:25:28</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="wlnfcol" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">淄博科恩電氣自動化技術有限公司</a></p><p><span>聯(lián)系人：</span>李寧</p><p><span>郵箱: </span>shandongken198@163.com</p><p><span>電話: </span>13371560696</p><p><span>傳真: </span>0533_2855952</p><p><span>網址: </span></p><p><span>手機: </span>0533-2855952</p><p><span>地址: </span>昌國西路111號魯中五金機電城東區(qū)F-15號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="jtqi33d" class="page-proshow02"><p class="title">詳細說明</p><div id="wlskmtv" class="box"><p><p> 在多粉塵場所，特別是多金屬粉塵、絮狀物的場所使用控制柜時，采取正確、合理的防護措施是十分必要的，防塵措施得當對保證控制柜正常工作非常重要?？傮w要求控制柜整體應該密封，應該通過專門設計的進風口、出風口進行通風;控制柜頂部應該有防護網和防護頂蓋出風口；控制柜底部應該有底板和進風口、進線孔，并且安裝防塵網。粉塵場所對控制柜的設計要求：(1)控制柜的風道要設計合理，排風通暢，避免在柜內形成渦流，在固定的位置形成灰塵堆積。(2)如果采用控制柜頂部側面排風方式，出風口必須安裝防護網。(3)控制柜頂部出風口上面要安裝防護頂蓋，防止雜物直接落入;防護頂蓋高度要合理，不影響排風。防護頂蓋的側面出風口要安裝防護網，防止絮狀雜物直接落入。(4)控制柜的前，淄博科恩軟啟動器銷售，淄博科恩軟啟動器銷售、后門和其他接縫處，要采用密封墊片或者密封膠進行一定的密封處理，防止粉塵進入。(5)一定要確?？刂乒耥敳康妮S流風機旋轉方向正確，向外抽風。如果風機安裝在控制柜頂部的外部，必須確保防護頂蓋與風機之間有足夠的高度；如果風機安裝在控制柜頂部的內部，淄博科恩軟啟動器銷售，安裝所需螺釘必須采用止逆彈件，防止風機脫落造成柜內元件和設備的損壞。建議在風機和柜體之間加裝塑料或者橡膠減振墊圈。淄博科恩軟啟動器銷售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動器銷售,科恩軟啟動器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/13/14/636907616798092101_keendianqi_8628190.jpg"></div><p> 軟起動器的日常維修與檢查平時注意檢查軟起動器的環(huán)境條件防止在超過其允許的環(huán)境條件下運行。注意檢查軟起動器周圍是否有妨礙其通風散熱的物體確保軟起動器四周有足夠的空間大于150mm定期檢查配電線端子是否松動柜內元器件有否過熱、變色、焦臭味等異?，F(xiàn)象。定期清掃灰塵以免影響散熱，防止晶閘管因溫升過高而損壞同時也可避免因積塵引起的漏電和短路。清掃灰塵可用干燥的毛刷進行也可用于皮老虎吹和吸塵器吸。對于大塊污垢可用絕緣棒去除。若有條件可用。平時注意觀察風機的運行情況一旦發(fā)現(xiàn)風機轉速慢或異常應及時修理如油垢、積塵加潤滑油更換損壞或變質的電容器。對損壞的風機要及時更換。如果在沒有風機的情況下使用軟起動器將會損壞晶閘管。如果軟起動器使用環(huán)境較潮濕或易結露應經常用紅外燈泡或電吹風烘干驅除潮氣以避免漏電或短路的發(fā)生。淄博科恩軟啟動器銷售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動器銷售,科恩軟啟動器" src="https://tyunfile.71360.com/UploadFile/keendianqi/637235132859755860/5468229.jpg"></div><p style="text-indent:25px">電機軟啟動器一般以大功率雙向晶閘管構成三相交流調壓電路，以微處理器及信號采集、保護環(huán)節(jié)構成控制器，通過控制晶閘管的觸發(fā)角，調節(jié)晶閘管調壓電路的輸出電壓，實現(xiàn)電動機的無觸點降壓軟啟動、軟停車和空載、輕載的節(jié)能及保護功能。為此，通過對軟啟動方式與傳統(tǒng)的啟動方式進行比較，來分析軟啟動器的特性。軟啟動器，其實是一種擁有電機軟起動、軟停車、輕載節(jié)能以及多種保護功能一身的電機控制裝置。主要是串接在電源與被控電機之間的三相反并聯(lián)閘管及其電子控制電路。通過控制三相反并聯(lián)閘管的導通角，讓被控電機的輸入電壓會根據(jù)不同的要求而變化，實現(xiàn)各種功能。軟啟動器是用在要降壓啟動和停止的地方，這時的電機轉速不變；但是科恩變頻器主要是用來調速，恒壓的地方，轉速由頻率決定。</p><p> 由于設備的起動一停止特性，不希望電潛泵循環(huán)運行。“跨線路”起動導致電流波動為標準工作電流的5-8倍。這種波動能損壞馬達和電纜，還會引起線路電壓紊亂。而停車(會引起較大的電流量和電壓峰值。因此，許多操作者常常不建議使電潛泵設備更多的起動和停車)，除非需要.這就給使用電潛泵帶來了許多設計問題。在設計問題上，若電潛泵選小了，泵一定被拖住使產量降低.若泵尺寸設計大了，會造成油井有停泵的趨勢。在增加井口回壓來減小離心泵的排量時，原采用循環(huán)運行。這是不希望出現(xiàn)的。由于施加回壓要帶來能量的浪費，并引起泵內止推軸承發(fā)生問題而導致過早的損壞。如果減小電壓或電潛泵采用軟啟動顯示出消除循環(huán)運行的不利影響，那么電潛泵的設計就變得容易的多.泵排量可選為油井排量的25-30%，這樣每天油井生產有足夠的時數(shù)來滿足油井排量.目前所使用高電壓起動的標準電氣設備大功率感應式馬達，是一個電力一機械“跨線路”起動器.它能控制電壓高達2500V和1000hp的功率，而本身不發(fā)生問題.按一下按鈕即可起動，它激發(fā)一個110VAC繼電器，繼而依次接通主電源繼電器.起動幾乎是瞬時的。每當使用通常方法進行控制起動，在常用的星形接三相電的轉換線路中。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動器銷售,科恩軟啟動器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/12/14/636906757481314664_keendianqi_4786054.jpg"></div><p> 它的主要構成是串接于電源與被控電機之間的三相反并聯(lián)閘管及其電子控制電路。運用不同的方法，控制三相反并聯(lián)閘管的導通角，使被控電機的輸入電壓按不同的要求而變化，就可實現(xiàn)不同的功能。變頻器（Variable-frequencyDrive，VFD）是應用變頻技術與微電子技術，通過改變電機工作電源頻率方式來控制交流電動機的電力控制設備。變頻器主要由整流（交流變直流）、濾波、逆變（直流變交流）、制動單元、驅動單元、檢測單元微處理單元等組成。變頻器靠內部IGBT的開斷來調整輸出電源的電壓和頻率，根據(jù)電機的實際需要來提供其所需要的電源電壓，進而達到節(jié)能、調速的目的，另外，變頻器還有很多的保護功能，如過流、過壓、過載保護等等。隨著工業(yè)自動化程度的不斷提高，變頻器也得到了非常的應用。軟啟動器和變頻器是兩種完全不同用途的產品。變頻器是用于需要調速的地方，其輸出不但改變電壓而且同時改變頻率；軟啟動器實際上是個調壓器，用于電機起動時，輸出只改變電壓并沒有改變頻率。變頻器具備所有軟起動器功能，但它的價格比軟啟動器貴得多，結構也復雜得多。軟啟動器只是改變電源電壓，相當于降壓起動器。變頻器要比軟啟動器復雜得多，價格也貴得多。變頻器也有軟啟動功能。淄博科恩軟啟動器價格行情</p><p style="text-indent:25px">淄博科恩軟啟動器銷售</p><p> 交流感應電動機在直接啟動時存在著兩點缺點，首先它的啟動電流可高達額定電流的5－7倍，這要求電網寬裕量比較大，而且降低電器控制設備的使用壽命，增加維護成本；其次，啟動轉矩可達正常轉矩的兩倍，這會對負載產生沖擊，增加傳動部件的磨損和額外維護?；谝陨显?，產生交流感應電動機降壓啟動設備。傳統(tǒng)的降壓啟動方法有Y/△啟動和自耦變壓器降壓啟動兩種，每種都有各自的缺點。電動機用Y/△啟動設備啟動時，在切換瞬間會出現(xiàn)很高的電流尖峰，產生破壞性的動態(tài)轉矩，其引起的機械振動對電動機轉子、軸連接器、中間齒輪以及負載等都非常有害；自耦變壓器降壓啟動設備體積龐大、成本高，而且還存在與負載匹配的電動機轉矩很難控制等缺點。由于傳統(tǒng)的降壓啟動設備存在諸多缺點，這才出現(xiàn)了電子式數(shù)字軟啟動裝置。淄博科恩軟啟動器銷售</p><p style="text-indent:25px">淄博科恩電氣自動化技術有限公司是一家機械產品、電子產品、五金電器、低壓電器、變頻器及配件、儀器儀表、電線電纜、電腦及配件、自動化成套系統(tǒng)、化工產品的銷售。(依法須經批準的項目，經相關部門批準后方可開展經營活動)的公司，創(chuàng)建于2014-04-08?？贫鞴獡碛幸恢Ы涷炟S富、技術創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供[ "科恩變頻器", "防爆柜", "山東變頻器代理", "電機智能軟啟動器" ]。公司擁有多年的行業(yè)經驗，每年以銷售收入達到50-100萬元，如果您想了解更多產品信息，請通過頁面上的電話聯(lián)系我們。科恩供應始終關注電工電氣市場，以敏銳的市場洞察力以準確定位，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/905094.html</p></div></div></div></div></div><div id="jtqd3ip" class="page-right twoColRt"><div id="fz8otqs" class="box01 margin10 clearfix"><h3><a 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