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href="http://www.cdcfah.com/cp/third-diyadianqifj_qidongqikb/">起動器</a>?淄博科恩軟啟動器型號淄博科恩電氣自動化技術(shù)供應(yīng)</p><div id="tl7xozu" class="leftbox clearfix"><h1>淄博科恩軟啟動器型號淄博科恩電氣自動化技術(shù)供應(yīng)</h1><div id="dqhypgx" class="proBig"><div id="tw3zkgx" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/4/12/14/636906757481782295_keendianqi_8997211.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jrmcoam" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/4/12/14/636906757481782295_keendianqi_8997211.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jrizgsj" 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>淄博科恩軟啟動器型號,科恩軟啟動器</p><p><span>***更新：</span>2020-09-12 00:11:14</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="bz3wdpb" 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(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="u3kv39i" class="page-proshow02"><p class="title">詳細說明</p><div id="lght4xd" class="box"><p><p> 軟啟動器采用三相反并聯(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，淄博科恩軟啟動器型號，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。待電機達到額定轉(zhuǎn)數(shù)時，啟動過程結(jié)束，軟啟動器自動用旁路接觸器取代已完成任務(wù)的晶閘管，為電動機正常運轉(zhuǎn)提供額定電壓，以降低晶閘管的熱損耗，延長軟啟動器的使用壽命，淄博科恩軟啟動器型號，淄博科恩軟啟動器型號，提高其工作效率，又使電網(wǎng)避免了諧波污染。軟啟動器同時還提供軟停車功能，軟停車與軟啟動過程相反，電壓逐漸降低，轉(zhuǎn)數(shù)逐漸下降到零，避免自由停車引起的轉(zhuǎn)矩沖擊。淄博科恩軟啟動器型號</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動器型號,科恩軟啟動器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/12/14/636906757481782295_keendianqi_8997211.jpg"></div><p style="text-indent:25px">電機軟啟動器的主接線有三種方法主要是在線型、旁路型、內(nèi)置旁路型。 1.在線型：一切軟發(fā)動器的控制器都有電動機過載保護，當(dāng)軟啟動器在線運行時對電機進行過載保護，不要加裝熱過載繼電器。由于經(jīng)過可控硅后的電流諧波電流非常大，所以不能加裝電子式熱過載繼電器，否則會使系統(tǒng)不能正常的工作。 2.旁路型：對于軟啟動器上口的接觸器的作用和在線運行方式下作用相同的情況下不能再重復(fù)。這邊注意的熱繼電器，把它安方在旁路接觸器的下口，不通電流，尤其是電子熱繼電器，由于經(jīng)過軟啟動器后電流諧波很大能干擾電子熱繼電器誤動作而使電機停車。 3.內(nèi)置旁路型：它的主接線和在線型的大致相同，它的主要優(yōu)點是可控硅的短時工作沒必要安裝快速熔斷器。淄博科恩軟啟動器經(jīng)銷商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動器型號,科恩軟啟動器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/13/14/636907616797936241_keendianqi_9481264.jpg"></div><p> 軟啟動器（softstarter）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，國外稱為SoftStarter。從短期來看軟起動將仍然以各種形式的降壓（限流）軟起動為它的主要形式，從市場的理論來講，軟起動器的性價比高將會占據(jù)市場的巨大份額。但是由于人們對于軟起動器的各種性能側(cè)重面不同，這就使得了各類軟起產(chǎn)品在市場上都會有自己的一席之地。客觀的方面有：使用的環(huán)境（溫度、濕度變化范圍）、起動負載的輕重、使用的頻繁度、防爆、防塵燈方面的因素。例如如果是南方的客戶則不會很在意于液態(tài)軟起動液阻會不會結(jié)冰。主觀方面：主管人員的知識水平、維護人員的技術(shù)水平以及用戶單位的管理水品等等都可以成為主觀方面的因素。例如在一些主管技術(shù)人員知識老化的單位中，他們可能不會樂意選用技術(shù)含量高的產(chǎn)品。 </p><p> 晶閘管導(dǎo)通條件為：加正向電壓且門極有觸發(fā)電流;其派生器件有：快速晶閘管，雙向晶閘管，逆導(dǎo)晶閘管，光控晶閘管等。它是一種大功率開關(guān)型半導(dǎo)體器件，在電路中用文字符號為“V”、“VT表示。晶閘管在工作過程中，它的陽極(A)和陰極(K)與電源和負載連接，組成晶閘管的主電路，晶閘管的門極G和陰極K與控制晶閘管的裝置連接，組成晶閘管的控制電路。高壓晶閘管軟啟動器為半控型電力電子器件，它的工作條件如下：1.晶閘管承受反向陽極電壓時，不管門極承受何種電壓，晶閘管都處于反向阻斷狀態(tài)。2.晶閘管承受正向陽極電壓時，*在門極承受正向電壓的情況下晶閘管才導(dǎo)通。這時晶閘管處于正向?qū)顟B(tài)，這就是晶閘管的閘流特性，即可控特性。3.晶閘管在導(dǎo)通情況下，只要有一定的正向陽極電壓，不論門極電壓如何，晶閘管保持導(dǎo)通，即晶閘管導(dǎo)通后，門極失去作用。門極只起觸發(fā)作用。4.晶閘管在導(dǎo)通情況下，當(dāng)主回路電壓(或電流)減小到接近于零時，晶閘管關(guān)斷。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動器型號,科恩軟啟動器" src="https://tyunfile.71360.com/UploadFile/keendianqi/637235132860195313/2957293.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(fēng)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(fēng)機的運行情況一旦發(fā)現(xiàn)風(fēng)機轉(zhuǎn)速慢或異常應(yīng)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(fēng)機要及時更換。如果在沒有風(fēng)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(yīng)經(jīng)常用紅外燈泡或電吹風(fēng)烘干驅(qū)除潮氣以避免漏電或短路的發(fā)生。淄博科恩軟啟動器經(jīng)銷商</p><p style="text-indent:25px">淄博科恩軟啟動器型號</p><p> 電動機的啟動指標(biāo)啟動（startion）是指電動機從靜止?fàn)顟B(tài)開始轉(zhuǎn)動起來．直至達到穩(wěn)定運行。對干任何一臺電動機．在啟動時．都有下列兩個基本的要求。啟動轉(zhuǎn)矩要足夠大．只有Tｎ>TL時．電動機才能改變原來的靜止?fàn)顟B(tài)．拖動生產(chǎn)機械運轉(zhuǎn)。一般要求Tn≥()TL,Tn越大于TL．啟動過程所需要的時間就越短。啟動電流不要超過允許范圍。對三相異步電動機來說．由干啟動瞬間s=1,旋轉(zhuǎn)磁場與轉(zhuǎn)子之間的相對運動速度很大．轉(zhuǎn)子電路的感應(yīng)電動勢及電流都很大．所以．啟動電流遠大干額定電流．在電源容量與電動機的額定功率相比不是足夠大時．會引起輸電線路上電壓降的增加．造成供電電壓的明顯下降．不*影響了同一供電系統(tǒng)中其他負載的工作，而且會延長電動機本身的啟動時間。此外在啟動過干頻繁時，還會引起電動機過熱。在這兩種情況下．就必須設(shè)法減小啟動電流．下面分別介紹籠型和繞線型異步電動饑的啟動方法．異步電動機啟動籠型異步電動機的直接啟動直接啟動又稱為全壓啟動．就是將電動機的定子繞組直接加上額定電壓啟動．直接啟動電流雖然很大．但因啟動時間很短．而且隨著轉(zhuǎn)子轉(zhuǎn)動起來后。電流很快減?。灰獑硬贿^于頻繁．不致引起電動機過熱。淄博科恩軟啟動器型號</p><p style="text-indent:25px">淄博科恩電氣自動化技術(shù)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。公司業(yè)務(wù)分為科恩變頻器，防爆柜，山東變頻器代理，電機智能軟啟動器等，目前不斷進行創(chuàng)新和服務(wù)改進，為客戶提供良好的產(chǎn)品和服務(wù)。公司將不斷增強企業(yè)重點競爭力，努力學(xué)習(xí)行業(yè)知識，遵守行業(yè)規(guī)范，植根于電工電氣行業(yè)的發(fā)展。科恩供應(yīng)立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: 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