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href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-_diyadianqifj/">低壓電器</a>?<a href="http://www.cdcfah.com/cp/third-diyadianqifj_qidongqikb/">起動器</a>?淄博科恩軟啟動器性能淄博科恩電氣自動化技術供應</p><div id="cryv2m3" class="leftbox clearfix"><h1>淄博科恩軟啟動器性能淄博科恩電氣自動化技術供應</h1><div id="383yaip" class="proBig"><div id="nmov8ln" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/4/13/14/636907616797936241_keendianqi_9000823.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="po3t3jq" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/4/13/14/636907616797936241_keendianqi_9000823.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qphtvrt" 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(chǎn)品關鍵詞：</span>淄博科恩軟啟動器性能,科恩軟啟動器</p><p><span>***更新：</span>2020-09-06 08:04:35</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="rvcewnu" 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(wǎng)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="wliphy2" class="page-proshow02"><p class="title">詳細說明</p><div id="39z8vjp" class="box"><p><p style="text-indent:25px">就損傷特殊連接的轉(zhuǎn)子馬達或線路中的變壓器。這種方法的缺點是增加了馬達費用、昂貴的開關裝置、降壓部件、必須的機械裝置維護、扭矩階躍變化和起動時產(chǎn)生的加速度。通過改進可控硅整流谷(SCR)而研創(chuàng)的一種減小電壓的起動器，它適用于控制油井大功率值。其基本線路使用六個連接的可控硅整流器作為三個全控交流開關，淄博科恩軟啟動器性能。每個電源相和馬達之間安置一個開關.它是在一個全橋控制之中限制電流。當按圖連接時，在每個半循環(huán)期間電路能用改變每個可控硅整流器接通點來控制負載的交流功率，使用正確的時間信號把它加到可控硅整流器的整流柵進行整流，淄博科恩軟啟動器性能。在每個半循環(huán)中逐漸變化相后角，能平穩(wěn)增加馬達的功率通量。當按“起動”按鈕時，電流迅速上升到預置的滿載安培數(shù)值，通常是40%.該數(shù)值剛剛處于馬達負載裝置起動扭矩之下。從這一點，電流將緩慢地開始上升到某些預置的滿載安培數(shù)值，該數(shù)值保證馬達在正確的電壓值運轉(zhuǎn).時間間隔可從1s調(diào)到30s，淄博科恩軟啟動器性能.在軟起動時間，電壓和馬達速度也是緩慢地變化。當馬達電流下降時，就表示馬達運轉(zhuǎn)正常，此時起動器系統(tǒng)對電路沒有較大的形響.若在“軟”起動循環(huán)完成之后，馬達電流超過預置數(shù)值115%滿軟安培數(shù)達4s。該控制器將使用一個電流減速階躍關閉設備。淄博科恩軟啟動器性能</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動器性能,科恩軟啟動器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/13/14/636907616797936241_keendianqi_9000823.jpg"></div><p style="text-indent:25px">我們都知道電動機在直接啟動時，電流是額定電流的4到7倍，如果電機的功率比較小的時候，對電網(wǎng)的影響不是很大我們就可以直接開始啟動，對于一些電動機功率在7.5KM一下都是可以直接啟動的，對于那些大型的電機（功率特別大的）是不能直接啟動的，所以對于大型電機氣都要使用軟啟動器，下面我們就來介紹一下軟啟動器對電動機的作用軟啟動器就是在大型電機氣在啟動之前，我們給它加的電壓要低于額定電壓，我們常見的軟啟動主要軟啟動器啟動和自耦變壓器降壓啟動，軟啟動器要比自耦變壓器降壓啟動要先進些，其原理也都是一樣的，總結(jié)來說軟啟動器對電動機主要有以下這些作用： 1.可以降低電機的啟動電流，從而減少電容量。 2.減少啟動應力，可以延長電動氣以及其他的相關設備的使用壽命，維修率低。 3.平穩(wěn)的啟動和軟停車，都是避免了傳統(tǒng)的啟動設備的喘振問題等。 4.完善可靠的保護功能，能夠有效的保護電機以及設備的安全。 5.同時還能有效的升降起動電流以及配電電容量。 6.多種起動模式及寬范圍的電流、電壓等設定，可適應多種負載情況；淄博科恩軟啟動器廠家直供</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動器性能,科恩軟啟動器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/12/14/636906757481314664_keendianqi_4786054.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(nèi)元器件有否過熱、變色、焦臭味等異常現(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(zhuǎn)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(zhì)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(jié)露應經(jīng)常用紅外燈泡或電吹風烘干驅(qū)除潮氣以避免漏電或短路的發(fā)生。 </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(wǎng)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(zhuǎn)矩可達正常轉(zhuǎn)矩的兩倍，這會對負載產(chǎn)生沖擊，增加傳動部件的磨損和額外維護?；谝陨显颍a(chǎn)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(chǎn)生破壞性的動態(tài)轉(zhuǎn)矩，其引起的機械振動對電動機轉(zhuǎn)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(zhuǎn)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。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動器性能,科恩軟啟動器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/13/14/636907616798092101_keendianqi_3627139.jpg"></div><p> 從長期來看：變頻軟起將會成為軟起動器（西馳分級變頻軟起動器）的主流。各種形式的降壓軟起動將與星三角起動等技術一起歸并為傳統(tǒng)的起動技術。隨著變頻器價格的逐漸下降，可靠性的進一步提高，也隨著技術人員水平的提高，**為軟起動而選用變頻器將不再會被人們認為是一種。變頻軟起動勝出的根本原因是：它可以在限流（起動電流不超過電機額定電流值）的同時獲得大的起動轉(zhuǎn)矩，可以實現(xiàn)包括軟停止在內(nèi)的各種起動功能。對于**為軟起動而制作的變頻器而言，應在起動完成后使變頻器脫電，使電動機直掛電網(wǎng)。這樣做的目的是節(jié)能，消除無謂的損耗。這種操作應該在安全的不引起電流沖擊的條件下完成，或者叫做軟切換。軟切換的可能步驟是“先脫（電）后掛（網(wǎng)）”或“先掛后脫”，軟切換應該在基本上不增加硬件（例如軟切換電抗器）的條件下主要靠軟件完成。淄博科恩軟啟動器公司</p><p style="text-indent:25px">淄博科恩軟啟動器性能</p><p style="text-indent:25px">軟啟動器（soft starter）是一種集電機軟起動、軟停車、多種保護功能于一體的新穎電機控制裝置。它的主要構(gòu)成是串接于電源與被控電機之間的三相反并聯(lián)晶閘管及其電子控制電路。軟啟動器工作原理：軟啟器采用三相反并聯(lián)晶閘管作為調(diào)壓器，將其接入電源和電動機定子之間。這種電路如三相全控橋式整流電路。使用軟啟動器啟動電動機時，晶閘管的輸出電壓逐漸增加，電動機逐漸加速，直到晶閘管全導通，電動機工作在額定電壓的機械特性上，實現(xiàn)平滑啟動，降低啟動電流，避免啟動過流跳閘。軟啟動器起動方式：斜坡升壓軟起動、斜坡恒流軟起動、階躍起動、脈沖沖擊起動。軟啟動器的作用：軟起動時具有起動電流小、起動速度平穩(wěn)可靠、對電網(wǎng)沖擊小等優(yōu)點，且起動曲線可根據(jù)現(xiàn)場實際工況調(diào)整，從而減少了起動時對設備的沖擊力，降低了對設備的損害，延長了使用壽命。主要目的是降低起動電壓與電流。淄博科恩軟啟動器性能</p><p style="text-indent:25px">淄博科恩電氣自動化技術有限公司位于昌國西路111號魯中五金機電城東區(qū)F-15號?？贫鞴铝τ跒榭蛻籼峁┝己玫目贫髯冾l器，防爆柜，山東變頻器代理，電機智能軟啟動器，一切以用戶需求為中心，深受廣大客戶的歡迎。公司注重以質(zhì)量為中心，以服務為理念，秉持誠信為本的理念，打造電工電氣良好品牌。科恩供應秉承“客戶為尊、服務為榮、創(chuàng)意為先、技術為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1176676.html</p></div></div></div></div></div><div id="poa2b37" class="page-right twoColRt"><div id="utaxzbi" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="m2fe3pw" class="recomPic likePro"><a 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