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clearfix"><h1>淄博科恩軟啟動(dòng)器找哪家淄博科恩電氣自動(dòng)化技術(shù)供應(yīng)</h1><div id="lwbl2lu" class="proBig"><div id="agc7mzm" 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="jyclwff" 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="ynxm27g" 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)器找哪家,科恩軟啟動(dòng)器</p><p><span>***更新：</span>2020-11-12 08:01:03</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="wbmluet" 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="2jpz2yr" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="odcrlf8" class="box"><p><p style="text-indent:25px">大家都知道在軟啟動(dòng)器中都會(huì)有一個(gè)R型變壓器，R型變壓器主要是采用取向性高磁導(dǎo)率硅鋼帶制成的，同時(shí)具有體積小、重量輕、效率高、漏磁小等特點(diǎn)得到了普遍的應(yīng)用。軟啟動(dòng)器在控制電路時(shí)需要使用低壓直電流，但是又不能直接使用開關(guān)電源，所以在使用時(shí)需要一種隔離電源變壓器，于是軟啟動(dòng)器就看上了R型變壓器了，淄博科恩軟啟動(dòng)器找哪家。軟啟動(dòng)器選擇R型變壓器也不是沒(méi)有道理的，下面來(lái)說(shuō)一下使用R型變壓器的好處。 1，淄博科恩軟啟動(dòng)器找哪家，淄博科恩軟啟動(dòng)器找哪家.效率高 R型變壓器鐵芯無(wú)切割，損失小，并且使用***的材料和緊湊的結(jié)構(gòu)，可以把鐵芯與繞組之間的距離降底，這樣效率可以達(dá)到百分之90以上。 2.無(wú)噪音由于R型變壓器是使用***低損耗的材料，并且具有均勻圓形截面和連續(xù)的繞線，電阻的損耗和產(chǎn)熱都非常的低，磁致伸縮應(yīng)力很容易被吸收，因此在使用過(guò)程中不會(huì)發(fā)出噪音來(lái)。 3.漏磁小 R型變壓器的鐵芯都是繞線極勻衡，因此漏磁是非常小的，在使用過(guò)程中無(wú)需采取防范措施來(lái)防止漏磁的現(xiàn)象。 4.符合安全的標(biāo)準(zhǔn) 由于它的獨(dú)特設(shè)計(jì)，將初級(jí)與次級(jí)的骨架分開，并且具有良好的絕緣性。由于阻燃材料制成的互相分離的骨架這樣可以滿足我國(guó)的安全標(biāo)準(zhǔn)淄博科恩軟啟動(dòng)器找哪家</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)器找哪家,科恩軟啟動(dòng)器" src="https://tyunfile.71360.com/UploadFile/keendianqi/637235132860214844/3104817.jpg"></div><p style="text-indent:25px">我們都知道電動(dòng)機(jī)在直接啟動(dòng)時(shí)，電流是額定電流的4到7倍，如果電機(jī)的功率比較小的時(shí)候，對(duì)電網(wǎng)的影響不是很大我們就可以直接開始啟動(dòng)，對(duì)于一些電動(dòng)機(jī)功率在7.5KM一下都是可以直接啟動(dòng)的，對(duì)于那些大型的電機(jī)（功率特別大的）是不能直接啟動(dòng)的，所以對(duì)于大型電機(jī)氣都要使用軟啟動(dòng)器，下面我們就來(lái)介紹一下軟啟動(dòng)器對(duì)電動(dòng)機(jī)的作用軟啟動(dòng)器就是在大型電機(jī)氣在啟動(dòng)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(dòng)主要軟啟動(dòng)器啟動(dòng)和自耦變壓器降壓?jiǎn)?dòng)，軟啟動(dòng)器要比自耦變壓器降壓?jiǎn)?dòng)要先進(jìn)些，其原理也都是一樣的，總結(jié)來(lái)說(shuō)軟啟動(dòng)器對(duì)電動(dòng)機(jī)主要有以下這些作用： 1.可以降低電機(jī)的啟動(dòng)電流，從而減少電容量。 2.減少啟動(dòng)應(yīng)力，可以延長(zhǎng)電動(dòng)氣以及其他的相關(guān)設(shè)備的使用壽命，維修率低。 3.平穩(wěn)的啟動(dòng)和軟停車，都是避免了傳統(tǒng)的啟動(dòng)設(shè)備的喘振問(wèn)題等。 4.完善可靠的保護(hù)功能，能夠有效的保護(hù)電機(jī)以及設(shè)備的安全。 5.同時(shí)還能有效的升降起動(dòng)電流以及配電電容量。 6.多種起動(dòng)模式及寬范圍的電流、電壓等設(shè)定，可適應(yīng)多種負(fù)載情況；淄博科恩軟啟動(dòng)器找哪家</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)器找哪家,科恩軟啟動(dòng)器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/12/14/636906757443826248_keendianqi_9094734.jpg"></div><p> 軟起動(dòng)器的日常維修與檢查平時(shí)注意檢查軟起動(dòng)器的環(huán)境條件防止在超過(guò)其允許的環(huán)境條件下運(yùn)行。注意檢查軟起動(dòng)器周圍是否有妨礙其通風(fēng)散熱的物體確保軟起動(dòng)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(dòng)柜內(nèi)元器件有否過(guò)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(guò)高而損壞同時(shí)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(jìn)行也可用于皮老虎吹和吸塵器吸。對(duì)于大塊污垢可用絕緣棒去除。若有條件可用。平時(shí)注意觀察風(fēng)機(jī)的運(yùn)行情況一旦發(fā)現(xiàn)風(fēng)機(jī)轉(zhuǎn)速慢或異常應(yīng)及時(shí)修理如油垢、積塵加潤(rùn)滑油更換損壞或變質(zhì)的電容器。對(duì)損壞的風(fēng)機(jī)要及時(shí)更換。如果在沒(méi)有風(fēng)機(jī)的情況下使用軟起動(dòng)器將會(huì)損壞晶閘管。如果軟起動(dòng)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。 </p><p style="text-indent:25px">軟啟動(dòng)是指電機(jī)的電壓由零慢慢上升到額定電壓，這樣電機(jī)在啟動(dòng)的過(guò)程中啟動(dòng)電流，由過(guò)去的過(guò)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(lái)對(duì)電機(jī)啟動(dòng)器進(jìn)行電流的大小調(diào)整。如果直接啟動(dòng)電機(jī)軟啟動(dòng)器對(duì)軟啟動(dòng)器有什么樣的危害呢？ 1.會(huì)引起電網(wǎng)電壓的波動(dòng) 交流電動(dòng)機(jī)在全壓下直接啟動(dòng)，起動(dòng)電流會(huì)達(dá)到額定電流的4到7倍，如果電機(jī)的容量相對(duì)來(lái)說(shuō)比較大時(shí)，啟動(dòng)電流會(huì)引起電網(wǎng)電壓的急劇下降，同時(shí)還會(huì)影響電網(wǎng)和其他設(shè)備的正常運(yùn)行。 2.對(duì)電網(wǎng)的影響對(duì)于電網(wǎng)的影響會(huì)表現(xiàn)在兩個(gè)方面（1）超大型的電機(jī)直接啟動(dòng)，大電流對(duì)電網(wǎng)的沖擊相當(dāng)于三相短路對(duì)電網(wǎng)的沖擊，這時(shí)會(huì)常常應(yīng)發(fā)發(fā)動(dòng)機(jī)的振蕩，使電網(wǎng)失去穩(wěn)定。（2）起動(dòng)電流中含有大量的高次諧波，會(huì)與電網(wǎng)電路參數(shù)引起高頻諧振，造成繼電保護(hù)誤動(dòng)作、自動(dòng)控制失靈等故障。 3.傷害電機(jī)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。（2）大電流產(chǎn)生的機(jī)械力使導(dǎo)線相互摩擦，降低絕緣壽命。（3）高壓開關(guān)合閘時(shí)觸頭的抖動(dòng)現(xiàn)象會(huì)在電機(jī)定子繞組上產(chǎn)生操作過(guò)電壓，有時(shí)會(huì)達(dá)到外加電壓的5倍以上，這樣高的過(guò)電壓會(huì)對(duì)電機(jī)絕緣造成極大。</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)器找哪家,科恩軟啟動(dòng)器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/12/14/636906757481314664_keendianqi_4786054.jpg"></div><p style="text-indent:25px">電機(jī)軟啟動(dòng)器是一種集電機(jī)軟啟動(dòng)、軟停車、輕載節(jié)能等多功能于一體的新穎電機(jī)裝置，可普遍應(yīng)用到風(fēng)機(jī)、水泵、輸送類及壓縮機(jī)等負(fù)載。 1.電機(jī)軟啟動(dòng)器本身是沒(méi)有短路保護(hù)的，為了保護(hù)其中的晶閘管應(yīng)該采用快速熔斷器，因此我們?cè)谝鶕?jù)軟啟動(dòng)器的額定電流來(lái)選擇快速熔斷器，因?yàn)榈蛪簲嗦菲鏖_斷時(shí)間較長(zhǎng)(約為0.1S)，所以不宜用于晶閘管的保護(hù)。 2.當(dāng)我們?cè)谑褂秒姍C(jī)軟啟動(dòng)器時(shí)，使電動(dòng)機(jī)制動(dòng)停機(jī)，主要的原因是由于晶閘管不導(dǎo)通，所以我們?cè)跈z修電動(dòng)機(jī)或線路時(shí)，必須要先斷開供電電源，這樣可以使軟啟動(dòng)器與電源之間增設(shè)斷路器 3.電機(jī)軟啟動(dòng)器在內(nèi)部設(shè)置了多種保護(hù)功能，在具體使用時(shí)要根據(jù)實(shí)際的需要，通過(guò)編程來(lái)選擇保護(hù)功能或者使某些保護(hù)功能失效，例如：突然斷電時(shí)過(guò)負(fù)載造成的損失會(huì)更大，其過(guò)負(fù)載保護(hù)應(yīng)作用與信號(hào)而不應(yīng)用于切斷電路。 4.當(dāng)電機(jī)軟啟動(dòng)器功率較大或者臺(tái)數(shù)較多時(shí)，產(chǎn)生的高次諧波會(huì)對(duì)電網(wǎng)所造成不良影響，并且對(duì)電子設(shè)備產(chǎn)生干擾，當(dāng)電動(dòng)機(jī)平穩(wěn)啟動(dòng)到正常轉(zhuǎn)速時(shí)，旁路接觸器閉合，把軟啟動(dòng)器短接，在啟動(dòng)完成之后，大功率晶閘管不在工作，從而消去除高次諧波對(duì)電網(wǎng)以及電子設(shè)備的干擾。淄博科恩軟啟動(dòng)器經(jīng)銷商</p><p style="text-indent:25px">淄博科恩軟啟動(dòng)器找哪家</p><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)）。淄博科恩軟啟動(dòng)器找哪家</p><p style="text-indent:25px">淄博科恩電氣自動(dòng)化技術(shù)有限公司總部位于昌國(guó)西路111號(hào)魯中五金機(jī)電城東區(qū)F-15號(hào)，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?？贫鞴?yīng)作為機(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(jī)智能軟啟動(dòng)器?？贫鞴?yīng)繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破?？贫鞴?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/1958114.html</p></div></div></div></div></div><div id="d9aizdt" class="page-right twoColRt"><div id="oztlvkr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wgitevx" 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