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clearfix"><h1>淄博科恩軟啟動器訂購淄博科恩電氣自動化技術(shù)供應(yīng)</h1><div id="v3i4crt" class="proBig"><div id="jdvzv82" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keendianqi/637235132860214844/3104817.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cq7ih7w" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keendianqi/637235132860214844/3104817.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ed82o3p" 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(guān)鍵詞：</span>淄博科恩軟啟動器訂購,科恩軟啟動器</p><p><span>***更新：</span>2020-09-27 12:01:19</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="d8ixt9j" 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(shù)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="fuwtfzl" class="page-proshow02"><p class="title">詳細說明</p><div id="rgdkmqw" class="box"><p><p style="text-indent:25px">軟啟動是指電機的電壓由零慢慢上升到額定電壓，這樣電機在啟動的過程中啟動電流，由過去的過載沖擊不可控電流變成了可控制的電流，并且可以根據(jù)需要來對電機啟動器進行電流的大小調(diào)整。如果直接啟動電機軟啟動器對軟啟動器有什么樣的危害呢？ 1.會引起電網(wǎng)電壓的波動交流電動機在全壓下直接啟動，起動電流會達到額定電流的4到7倍，如果電機的容量相對來說比較大時，啟動電流會引起電網(wǎng)電壓的急劇下降，同時還會影響電網(wǎng)和其他設(shè)備的正常運行。 2.對電網(wǎng)的影響對于電網(wǎng)的影響會表現(xiàn)在兩個方面（1）超大型的電機直接啟動，大電流對電網(wǎng)的沖擊相當于三相短路對電網(wǎng)的沖擊，這時會常常應(yīng)發(fā)發(fā)動機的振蕩，使電網(wǎng)失去穩(wěn)定。（2）起動電流中含有大量的高次諧波，會與電網(wǎng)電路參數(shù)引起高頻諧振，造成繼電保護誤動作、自動控制失靈等故障。 3.傷害電機絕緣（1）大電流所產(chǎn)生的焦耳熱反復(fù)作用于導(dǎo)線外絕緣，使絕緣加速老化、壽命降低，淄博科恩軟啟動器訂購。（2）大電流產(chǎn)生的機械力使導(dǎo)線相互摩擦，降低絕緣壽命，淄博科恩軟啟動器訂購。（3）高壓開關(guān)合閘時觸頭的抖動現(xiàn)象會在電機定子繞組上產(chǎn)生操作過電壓，淄博科恩軟啟動器訂購，有時會達到外加電壓的5倍以上，這樣高的過電壓會對電機絕緣造成極大。淄博科恩軟啟動器訂購</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動器訂購,科恩軟啟動器" src="https://tyunfile.71360.com/UploadFile/keendianqi/637235132860214844/3104817.jpg"></div><p> 軟啟動的好處1．降低電動機的起動電流，減少配電容量，避免增容投資；2．減少起動應(yīng)力，延長電動機及相關(guān)設(shè)備的使用壽命；3．平穩(wěn)的起動和軟停車避免了傳統(tǒng)起動設(shè)備的喘振問題、水錘效應(yīng)；4．多種起動模式及寬范圍的電流、電壓等設(shè)定，可適應(yīng)多種負載情況，改善工藝；5．完善可靠的保護功能，更有效的保護電動機及相關(guān)設(shè)備的安全；軟啟動器的工作原理軟起動主要由串接于電源與被控電動機之間三對反并聯(lián)晶閘管調(diào)壓電路構(gòu)成。現(xiàn)代軟啟動器基本上都采用了電力電子技術(shù)和微機控制技術(shù)，以單片微機作為**控制器控制來完成測量及各種控制算法。因此，山東濟寧軟啟動器具備了很強的功能和靈活性。整個起動過程是數(shù)字化程序軟件控制下自動進行。利用三對晶閘管的電子開關(guān)特性，通過MCU或單片機控制其觸發(fā)脈沖的遲早來改變觸發(fā)角的大小。而改變觸發(fā)導(dǎo)通角的大小，又改變了晶閘管的導(dǎo)通時間，**終改變定子繞組的三相電壓的大小。主要元件1、晶閘管：每相一對反并聯(lián)晶閘管，這是主要的功率元件，也是軟啟動器的主要成本之一，國內(nèi)做反并聯(lián)晶閘管的廠家有很多，從便宜的到貴的都有，質(zhì)量更是參差不齊。2、控制主板：基本上每個廠家都有自己開發(fā)的主板，市場上也有很多通用主板。淄博科恩軟啟動器訂購</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動器訂購,科恩軟啟動器" src="https://tyunfile.71360.com/UploadFile/keendianqi/637235132860009766/2511509.jpg"></div><p> 現(xiàn)在很多電機都使用軟啟動器作為啟動保護裝置，使用軟啟動器的電機能夠頻繁啟動嗎<span style="font-size:12px;">電動機按照運行工況分為S1~S10十種不同的制式。對于S1工作制(連續(xù)工作制)的電機，不論是否采用軟啟動，都不適合頻繁啟動。</span><span style="font-size:12px;">同時頻繁啟動會使得軟啟動器可控硅過熱，而因為沒有休息的時間，頻繁啟動會導(dǎo)致可控硅擊穿，從而使得軟啟動器損壞。</span><span style="font-size:12px;">軟起動器的啟動周期是有一定限制的，即在多長時間內(nèi)允許啟動多少次。而且軟起動器是短時工作制的，不能長期運行。</span><span style="font-size:12px;">再者，頻繁啟動對電機也不好，會減少電機的使用壽命。</span> </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(dǎo)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(shè)備的沖擊力，降低了對設(shè)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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動器訂購,科恩軟啟動器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/13/14/636907616797780381_keendianqi_8202757.jpg"></div><p> 電機軟啟動器是一種集軟啟動、軟停車、輕載節(jié)能和多功能保護于一體的新穎電機控制裝置，的應(yīng)用于風(fēng)機、水泵、輸送類及壓縮機等負載，是傳統(tǒng)的星/三角轉(zhuǎn)換、自耦降壓磁控降壓等降壓設(shè)備的理想換代產(chǎn)品。在某些變頻器大材小用的場合，也能使用軟啟動器來進行代替。節(jié)約了成本的同時，也使不必要的浪費得到控制。那么是哪些方面造就了電機軟啟動器的高性價比呢?1、啟動方式：根據(jù)負載特點選擇不同的啟動模式及參數(shù)設(shè)置，可很大程度的使電動機實現(xiàn)比較好的啟動效果，三種啟動方式：電壓斜坡啟動——可得到比較大的輸出扭矩;限流啟動——可有效地限制啟動電流;點動——可實現(xiàn)試車調(diào)試功能。2、高技術(shù)性能：由于采用了高性能微處理器及強大的軟件支持功能使控制電路得以簡化，無需對電路參數(shù)進行調(diào)整，即可獲得一致、準確及快速的執(zhí)行速度;**度抗干擾功能。3、高可靠性：電機軟啟動器所有電器元件均經(jīng)過嚴格的篩選，其主控板還須經(jīng)過72小時高溫循環(huán)試驗和振動試驗，從而保證了出廠產(chǎn)品的高可靠性。4、優(yōu)化的結(jié)構(gòu)：獨特緊湊的模塊化結(jié)構(gòu)及上進線下出線的連接方式，非常方便用戶的集成、成套。5、鍵盤設(shè)置功能：電機軟啟動器擁有便捷直觀的操作顯示鍵盤，可根據(jù)不同負載。淄博科恩軟啟動器銷售</p><p style="text-indent:25px">淄博科恩軟啟動器訂購</p><p style="text-indent:25px">為什么現(xiàn)在的電機比以前更容易燒毀？由于絕緣技術(shù)的不斷發(fā)展，在電機的設(shè)計上既要求增加出力，又要求減小體積，使新型電機的熱容量越來越小，過負荷能力越來越弱；再由于生產(chǎn)自動化程度的提高，要求電機經(jīng)常運行在頻繁的起動、制動、正反轉(zhuǎn)以及變負荷等多種方式，對電機保護裝置提出了更高的要求。另外，電機的應(yīng)用面更廣，常工作于環(huán)境極為惡劣的場合，如潮濕、高溫、多塵、腐蝕等場合。所有這些，造成了現(xiàn)在的電機比過去更容易損壞，尤其是過載、短路、缺相、掃膛等故障出現(xiàn)頻率比較高。淄博科恩軟啟動器訂購</p><p style="text-indent:25px">淄博科恩電氣自動化技術(shù)有限公司是一家機械產(chǎn)品、電子產(chǎn)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(chǎn)品的銷售。(依法須經(jīng)批準的項目，經(jīng)相關(guān)部門批準后方可開展經(jīng)營活動)的公司，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。科恩供應(yīng)作為機械產(chǎn)品、電子產(chǎn)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(chǎn)品的銷售。(依法須經(jīng)批準的項目，經(jīng)相關(guān)部門批準后方可開展經(jīng)營活動)的企業(yè)之一，為客戶提供良好的科恩變頻器，防爆柜，山東變頻器代理，電機智能軟啟動器?？贫鞴?yīng)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)?？贫鞴?yīng)始終關(guān)注電工電氣行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: 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