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href="http://www.cdcfah.com/cp/third-diyadianqifj_qidongqikb/">起動器</a>?淄博科恩軟啟動器價格行情淄博科恩電氣自動化技術供應</p><div id="bj3j7ep" class="leftbox clearfix"><h1>淄博科恩軟啟動器價格行情淄博科恩電氣自動化技術供應</h1><div id="ruqzpxj" class="proBig"><div id="kcifrxi" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/4/12/14/636906757481314664_keendianqi_4786054.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="q2tlmj3" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/4/12/14/636906757481314664_keendianqi_4786054.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="sfnfwcy" 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>淄博科恩軟啟動器價格行情,科恩軟啟動器</p><p><span>***更新：</span>2020-12-12 10:02:03</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="uciea2h" 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="3wsr8gc" class="page-proshow02"><p class="title">詳細說明</p><div id="3apfjy3" class="box"><p><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，淄博科恩軟啟動器價格行情，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，淄博科恩軟啟動器價格行情。 6，淄博科恩軟啟動器價格行情.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；科恩電氣以質(zhì)量求生存，以信譽求發(fā)展！淄博科恩軟啟動器價格行情</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動器價格行情,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(gòu)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(qū)動單元、檢測單元微處理單元等組成。變頻器靠內(nèi)部IGBT的開斷來調(diào)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(diào)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(chǎn)品。變頻器是用于需要調(diào)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(diào)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(jié)構(gòu)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科恩電氣愿和各界朋友真誠合作一同開拓。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動器價格行情,科恩軟啟動器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/12/14/636906757481782295_keendianqi_8997211.jpg"></div><p> 軟啟動器的優(yōu)越性能有哪些(1)軟啟動器在起動過程中，能控制電機電壓按線性增加，以使電機電流也線性增加，因此不會對電網(wǎng)造成沖擊，不會對配電回路造成更大的電壓降，延長了電氣設備的使用壽命。并且電機起動電流，起動轉(zhuǎn)矩可調(diào)節(jié)，滿足了生產(chǎn)工藝的要求。(2)軟啟動器在起動過程當中不受電網(wǎng)電壓波動的影響。當電網(wǎng)電壓出現(xiàn)波動時，由于軟起動器的晶閘管控制電路中引入了電流反饋，使得在整個起動過程當中，通過控制晶閘管的觸發(fā)角和導通角來保持起動電流的恒定，使電動機平穩(wěn)起動，不受配電回路電壓波動的影響。(3)應用的范圍非常廣。通過調(diào)節(jié)軟啟動器的電壓、電流和時間參數(shù)，可以滿足不同的起動電流、轉(zhuǎn)矩和時間以及各種停止的要求，時間電動機的軟起動和軟停止。(4)對于重復短時工作制的設備，電機長時間運行在空載和低負載狀態(tài)下，短時運行于重負載狀態(tài)下。軟啟動器在滿足其他要求的同時，還有節(jié)能控制環(huán)節(jié)，提高空載和低負荷時的功率因素，以達到節(jié)能目的。(5)一臺軟啟動器可以起動多臺電動機。尤其是對于外接法只要加上一定的輔助電路，就能實現(xiàn)用一臺軟啟動器帶動多臺電動機，這樣就的減少了成本?？傊?，深入的了解生產(chǎn)工藝過程，了解對起動和停止的要求。 </p><p> 軟啟動器以體積小,轉(zhuǎn)矩可以調(diào)節(jié)、啟動平<span style="display:none;"></span>穩(wěn)、沖擊小并具有軟停機功能等優(yōu)點得到了越來越多的應用,大有取代傳統(tǒng)的自耦減壓、星三角變換降壓啟動的趨勢。由于軟啟動器是近年來新發(fā)展起來的啟動設備,缺少相應的設計及使用經(jīng)驗等籠形異步電動機是應用較的用電設備。由于電動機直接啟動時的沖擊電流很大，特別是大容量電動機直接啟動會對電網(wǎng)及其他負載造成干擾甚至危害電網(wǎng)的安全運行，所以按不同工況，采用許多種減壓啟動方式。早期的方式有串聯(lián)電抗或電阻、串聯(lián)自耦變壓器星三角轉(zhuǎn)換等。從20世紀70年代起，工程上開始推廣利用晶閘管交流調(diào)壓技術制作的軟啟動器。這種軟啟動器是集電動機軟啟動、軟停車、輕載節(jié)能和多種保護功能于一體的新穎電動機控制裝置，國外稱為softstarter。軟啟動器的構(gòu)成主要是串接于電源與被控電動機之間的三相反并聯(lián)晶閘管及其電子控制電路。軟啟動器的工作原理是，控制電路運用不同的方法，控制三相反并聯(lián)晶閘管的導通角，使電動機輸入電壓從零以預設的函數(shù)關系逐漸上升，直至啟動結(jié)束，賦予電動機全電壓，實現(xiàn)軟啟動。在軟啟動過程中，電動機啟動轉(zhuǎn)矩逐漸增加，轉(zhuǎn)速也逐漸增加。在上述基礎上，把功率因數(shù)控制技術結(jié)合進去。科恩電氣產(chǎn)品適用范圍廣，產(chǎn)品規(guī)格齊全，歡迎咨詢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動器價格行情,科恩軟啟動器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/13/14/636907616798092101_keendianqi_8628190.jpg"></div><p style="text-indent:25px">電機軟啟動器是主要采用電力電子技術和微處理技術以及現(xiàn)代控制理論而設計生產(chǎn)的具有先進水平的新型啟動設備，電機軟啟動器主要具有抗干擾功能、可靠性高、多重保護功能等特點，根據(jù)這些特點電機軟啟動器得到了普遍應用，主要應用于風機、水泵、輸送類及壓縮機等領域。電機軟啟動器是一種集電機軟起動、軟停車、輕載節(jié)能等多功能于一體的新型電機控制裝備。軟啟器主要是采用三相反并聯(lián)晶閘管作為調(diào)壓器將它連接在電源和電動機定子之間，使軟啟動器啟動電動機時，晶閘管所輸出的電壓逐漸增加，同時電動機也逐漸加速，直到晶閘管全部疏通，電動機工作在額定電壓的機械特性上，才能實現(xiàn)平滑啟動，降低啟動電流，來避免啟動電流過大而產(chǎn)生跳閘的現(xiàn)象。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所接觸器來取代晶閘管，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同時還延長軟啟動器的使用壽命，提高其工作效率。同時電氣軟啟動器還提供了軟停車的功能，軟停車與軟啟動過程真好相反，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。誠摯的歡迎業(yè)界新朋老友走進科恩電氣！淄博科恩軟啟動器價格行情</p><p style="text-indent:25px">科恩電氣具備雄厚的實力和豐富的實踐經(jīng)驗。淄博科恩軟啟動器價格行情</p><p> 電動機的啟動指標啟動（startion）是指電動機從靜止狀態(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狀態(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．不僅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。淄博科恩軟啟動器價格行情</p><p style="text-indent:25px">淄博科恩電氣自動化技術有限公司致力于電工電氣，是一家生產(chǎn)型的公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下科恩變頻器，防爆柜，山東變頻器代理，電機智能軟啟動器深受客戶的喜愛。公司秉持誠信為本的經(jīng)營理念，在電工電氣深耕多年，以技術為先導，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造電工電氣良好品牌。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2374548.html</p></div></div></div></div></div><div id="lyi3i37" 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