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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vko3u2n" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/4/12/14/636906757443826248_keendianqi_9094734.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="sr87xe7" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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(dòng)器廠家供應(yīng),科恩軟啟動(dòng)器</p><p><span>***更新：</span>2020-12-02 09:01:58</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="yx4a3px" 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(dòng)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(jī): </span>0533-2855952</p><p><span>地址: </span>昌國(guó)西路111號(hào)魯中五金機(jī)電城東區(qū)F-15號(hào)</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="lz97bnf" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="tic2n3x" class="box"><p><p> 鼠籠型異步電動(dòng)機(jī)因價(jià)格低廉，性能可靠，淄博科恩軟啟動(dòng)器廠家供應(yīng)，在工業(yè)領(lǐng)域得到廣泛應(yīng)用。隨著近年來(lái)各種新技術(shù)、新工藝的出現(xiàn)，<span style="font-size:12px;">對(duì)鼠籠型異步電動(dòng)機(jī)的起動(dòng)和停止提出了新的要求，而軟起動(dòng)器的出現(xiàn)滿足了這一要求。軟啟動(dòng)控制器是一種</span><span style="font-size:12px;">集電機(jī)軟起動(dòng)、軟停車、泵控制、定時(shí)低速運(yùn)行，淄博科恩軟啟動(dòng)器廠家供應(yīng)、輕載節(jié)能和多種保護(hù)功能于一體的新穎電機(jī)控制裝置，國(guó)外</span><span style="font-size:12px;">稱為Soft Starter。它的主要構(gòu)成是串接于電源與被控電機(jī)之間的三相反并聯(lián)閘管及其電子控制電路。運(yùn)用不同</span><span style="font-size:12px;">的方法，控制三相反并聯(lián)閘管的導(dǎo)通角，淄博科恩軟啟動(dòng)器廠家供應(yīng)，使被控電機(jī)的輸入電壓按不同的要求而變化，就可實(shí)現(xiàn)不同的功能。</span> 科恩電氣專業(yè)的知識(shí)和可靠技術(shù)為客戶提供服務(wù)。淄博科恩軟啟動(dòng)器廠家供應(yīng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動(dòng)器廠家供應(yīng),科恩軟啟動(dòng)器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/12/14/636906757443826248_keendianqi_9094734.jpg"></div><p> 電機(jī)保護(hù)的發(fā)展現(xiàn)狀？目前電機(jī)保護(hù)器已由過(guò)去的機(jī)械式發(fā)展為電子式和智能型，可直接顯示電機(jī)的電流、電壓、溫度等參數(shù)，靈敏度高，可靠性高，功能多，調(diào)試方便，保護(hù)動(dòng)作后故障種類一目了然，既減少了電機(jī)的損壞，又極大方便了故障的判斷，有利于生產(chǎn)現(xiàn)場(chǎng)的故障處理和縮短恢復(fù)生產(chǎn)時(shí)間。另外，利用電機(jī)氣隙磁場(chǎng)進(jìn)行電機(jī)偏心檢測(cè)技術(shù)，使電機(jī)磨損狀態(tài)在線監(jiān)測(cè)成為可能，通過(guò)曲線顯示電機(jī)偏心程度的變化趨勢(shì)，可早期發(fā)現(xiàn)軸承磨損和走內(nèi)圓、走外圓等故障，做到早發(fā)現(xiàn)，早處理，避免掃膛發(fā)生。3．保護(hù)器選擇的原則？合理選用電機(jī)保護(hù)裝置，實(shí)現(xiàn)既能充分發(fā)揮電機(jī)的過(guò)載能力，又能免于損壞，從而提高電力拖動(dòng)系統(tǒng)的可靠性和生產(chǎn)的連續(xù)性。具體的功能選擇應(yīng)綜合考慮電機(jī)的本身的價(jià)值、負(fù)載類型、使用環(huán)境、電機(jī)主體設(shè)備的重要程度、電機(jī)退出運(yùn)行是否對(duì)生產(chǎn)系統(tǒng)造成嚴(yán)重影響等因素，力爭(zhēng)做到經(jīng)濟(jì)合理。淄博科恩軟啟動(dòng)器廠家供應(yīng)科恩電氣具備雄厚的實(shí)力和豐富的實(shí)踐經(jīng)驗(yàn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動(dòng)器廠家供應(yīng),科恩軟啟動(dòng)器" src="https://tyunfile.71360.com/UploadFile/keendianqi/637235132860214844/3104817.jpg"></div><p style="text-indent:25px">電機(jī)軟啟動(dòng)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(dòng)器的控制器都有電動(dòng)機(jī)過(guò)載保護(hù)，當(dāng)軟啟動(dòng)器在線運(yùn)行時(shí)對(duì)電機(jī)進(jìn)行過(guò)載保護(hù)，不要加裝熱過(guò)載繼電器。由于經(jīng)過(guò)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(guò)載繼電器，否則會(huì)使系統(tǒng)不能正常的工作。 2.旁路型：對(duì)于軟啟動(dòng)器上口的接觸器的作用和在線運(yùn)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(guò)軟啟動(dòng)器后電流諧波很大能干擾電子熱繼電器誤動(dòng)作而使電機(jī)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(diǎn)是可控硅的短時(shí)工作沒必要安裝快速熔斷器。</p><p> 現(xiàn)在很多電機(jī)都使用軟啟動(dòng)器作為啟動(dòng)保護(hù)裝置，使用軟啟動(dòng)器的電機(jī)能夠頻繁啟動(dòng)嗎<span style="font-size:12px;">電動(dòng)機(jī)按照運(yùn)行工況分為S1~S10十種不同的制式。對(duì)于S1工作制(連續(xù)工作制)的電機(jī)，不論是否采用軟啟動(dòng)，都不適合頻繁啟動(dòng)。</span><span style="font-size:12px;">同時(shí)頻繁啟動(dòng)會(huì)使得軟啟動(dòng)器可控硅過(guò)熱，而因?yàn)闆]有休息的時(shí)間，頻繁啟動(dòng)會(huì)導(dǎo)致可控硅擊穿，從而使得軟啟動(dòng)器損壞。</span><span style="font-size:12px;">軟起動(dòng)器的啟動(dòng)周期是有一定限制的，即在多長(zhǎng)時(shí)間內(nèi)允許啟動(dòng)多少次。而且軟起動(dòng)器是短時(shí)工作制的，不能長(zhǎng)期運(yùn)行。</span><span style="font-size:12px;">再者，頻繁啟動(dòng)對(duì)電機(jī)也不好，會(huì)減少電機(jī)的使用壽命。</span> 以客戶至上為理念，為客戶提供咨詢服務(wù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動(dòng)器廠家供應(yīng),科恩軟啟動(dòng)器" src="https://tyunfile.71360.com/UploadFile/keendianqi/637235132860009766/2511509.jpg"></div><p> 采用矢量控制方式的通用變頻器不僅可在調(diào)速范圍內(nèi)與直流電動(dòng)機(jī)相匹配，而且可以控制異步電動(dòng)機(jī)產(chǎn)生的轉(zhuǎn)矩。轉(zhuǎn)矩控制根據(jù)不同的數(shù)學(xué)算法其功能結(jié)構(gòu)也不相同，如圖所示是一種典型的采用矢量方式實(shí)現(xiàn)的轉(zhuǎn)矩控制功能框圖。先是根據(jù)轉(zhuǎn)矩設(shè)定值計(jì)算出轉(zhuǎn)差頻率，并與變頻器獲得的反饋速度(一般用編碼器PG)或是直接推算的電動(dòng)機(jī)速度相加，在速度限制下輸出同步頻率。很顯然，在轉(zhuǎn)矩控制方式下，速度調(diào)節(jié)器ASR并不起直接作用，也無(wú)法控制速度。轉(zhuǎn)矩控制時(shí)，變頻器的輸出頻率自動(dòng)負(fù)載速度的變化，但輸出頻率的變化受設(shè)定的加速和減速時(shí)間影響，如需要加快的速度，需要將加速和減速時(shí)間設(shè)得短一些。轉(zhuǎn)矩分正向轉(zhuǎn)矩和反向轉(zhuǎn)矩，其設(shè)定可以通過(guò)模擬量端子的電平來(lái)決定，該轉(zhuǎn)矩方向與運(yùn)行指令的方向（即正轉(zhuǎn)和反轉(zhuǎn)）無(wú)關(guān)。當(dāng)模擬量信號(hào)為0～10V時(shí)，為正轉(zhuǎn)矩，即電動(dòng)機(jī)正轉(zhuǎn)方向的轉(zhuǎn)矩指令（從電動(dòng)機(jī)的輸出軸看是逆時(shí)針轉(zhuǎn)）；當(dāng)模擬量信號(hào)為-10～0V時(shí)，為負(fù)轉(zhuǎn)矩，即電動(dòng)機(jī)反轉(zhuǎn)方向的轉(zhuǎn)矩指令（從電動(dòng)機(jī)的輸出軸看是順時(shí)針轉(zhuǎn)）。科恩電氣產(chǎn)品遠(yuǎn)銷中國(guó)臺(tái)灣、韓國(guó)、日本、越南、印度、馬來(lái)西亞、新加坡、俄羅斯等國(guó)家。淄博科恩軟啟動(dòng)器廠家供應(yīng)</p><p style="text-indent:25px">科恩電氣擁有先進(jìn)的產(chǎn)品生產(chǎn)設(shè)備，雄厚的技術(shù)力量。淄博科恩軟啟動(dòng)器廠家供應(yīng)</p><p> 軟啟動(dòng)器1.無(wú)沖擊電流，軟啟動(dòng)器在啟動(dòng)電動(dòng)機(jī)時(shí)，通過(guò)逐漸增大晶閘管導(dǎo)通角，使電動(dòng)機(jī)啟動(dòng)電流從零線性上升至設(shè)定值。2.恒流啟動(dòng)，軟啟動(dòng)器可以引人電流閉環(huán)控制，使電動(dòng)機(jī)在啟動(dòng)過(guò)程中保持恒流，確保電動(dòng)機(jī)平穩(wěn)啟動(dòng)。3.根據(jù)負(fù)載情況及電網(wǎng)繼電保護(hù)特性選擇，可自由地?zé)o級(jí)調(diào)整至比較好的啟動(dòng)電流。4.電動(dòng)機(jī)停機(jī)時(shí)，傳統(tǒng)的控制方式都是通過(guò)瞬間停電完成的。但有許多應(yīng)用場(chǎng)合，不允許電動(dòng)機(jī)瞬問(wèn)關(guān)機(jī)。例如:高層建筑、大樓的水泵系統(tǒng)，如果瞬間停機(jī)，會(huì)產(chǎn)生巨大的“水錘”效應(yīng)，使軟起甚至水泵損壞。為減少和防止“水錘”效應(yīng)，需要電動(dòng)機(jī)逐步停機(jī)，即軟停車，采用軟啟動(dòng)器能滿足這一要求。在泵站中，應(yīng)用軟停車技術(shù)可避免泵站的“拍門”損壞，減少維修費(fèi)用和維修工作量。5.軟啟動(dòng)器輕載節(jié)能。籠型異步電動(dòng)機(jī)是感性負(fù)載，在運(yùn)行中，定子線圈繞組中的電流滯后于電壓。如電動(dòng)機(jī)工作電壓不變，處于輕載時(shí)。功率因數(shù)低;處于重載時(shí)，功率因數(shù)高。在輕載時(shí)，軟啟動(dòng)器通過(guò)降低電動(dòng)機(jī)端電壓，提高功率因數(shù)，減少電動(dòng)機(jī)的鋼耗、鐵耗，達(dá)到輕載節(jié)能的目的;負(fù)載重時(shí)，則提高電動(dòng)機(jī)端電壓，確保電動(dòng)機(jī)正常運(yùn)行。淄博科恩軟啟動(dòng)器廠家供應(yīng)</p><p style="text-indent:25px">淄博科恩電氣自動(dòng)化技術(shù)有限公司是一家機(jī)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(dòng)化成套系統(tǒng)、化工產(chǎn)品的銷售。(依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營(yíng)活動(dòng))的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)?？贫鞴?yīng)擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，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(jī)智能軟啟動(dòng)器?？贫鞴?yīng)致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來(lái)良好體驗(yàn)。科恩供應(yīng)創(chuàng)始人李寧，始終關(guān)注客戶，創(chuàng)新科技，竭誠(chéng)為客戶提供良好的服務(wù)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2235108.html</p></div></div></div></div></div><div id="v2sph3h" class="page-right twoColRt"><div id="i9rta3w" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="j9xzmt3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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