淄博科恩軟啟動(dòng)器型號(hào) 淄博科恩電氣自動(dòng)化技術(shù)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 高壓軟起動(dòng)器對(duì)信號(hào)的檢測(cè)比低壓軟起動(dòng)器要求更高。高壓軟起動(dòng)器所在的環(huán)境存在著大量的電磁干擾，并且高壓軟起動(dòng)器所用的真空接觸器和真空斷路器在其分?jǐn)嗪烷]合過(guò)程中會(huì)產(chǎn)生大量的電磁干擾。所以對(duì)檢測(cè)到的"><meta name="keywords" content="淄博科恩軟啟動(dòng)器型號(hào),科恩軟啟動(dòng)器"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" 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href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-_diyadianqifj/">低壓電器</a>?<a href="http://www.cdcfah.com/cp/third-diyadianqifj_qidongqikb/">起動(dòng)器</a>?淄博科恩軟啟動(dòng)器型號(hào) 淄博科恩電氣自動(dòng)化技術(shù)供應(yīng)</p><div id="tpn7lbz" class="leftbox clearfix"><h1>淄博科恩軟啟動(dòng)器型號(hào) 淄博科恩電氣自動(dòng)化技術(shù)供應(yīng)</h1><div id="lrzfdxv" class="proBig"><div id="5xvl5jz" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/4/13/14/636907616797936241_keendianqi_9000823.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fljhflh" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/4/13/14/636907616797936241_keendianqi_9000823.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="33pndjz" 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)器型號(hào),科恩軟啟動(dòng)器</p><p><span>***更新：</span>2020-10-09 17:01:07</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="rnlbz5x" 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="jpvb5r5" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="53ljhvt" class="box"><p><p> 高壓軟起動(dòng)器對(duì)信號(hào)的檢測(cè)比低壓軟起動(dòng)器要求更高。高壓軟起動(dòng)器所在的環(huán)境存在著大量的電磁干擾，并且高壓軟起動(dòng)器所用的真空接觸器和真空斷路器在其分?jǐn)嗪烷]合過(guò)程中會(huì)產(chǎn)生大量的電磁干擾。所以對(duì)檢測(cè)到的信號(hào)不僅要進(jìn)行硬件濾波，也要進(jìn)行軟件濾波，去掉干擾信號(hào)。軟起動(dòng)器在完成起動(dòng)過(guò)程后，要切換到旁路運(yùn)行狀態(tài)，如何平滑地切換到運(yùn)行狀態(tài)，這也是軟起動(dòng)器的一個(gè)難點(diǎn)，如何選準(zhǔn)旁路點(diǎn)非常重要。旁路點(diǎn)早了，電流沖擊非常大，即使在低壓條件下，也會(huì)造成三相電源中斷路器跳閘，甚至?xí)p壞斷路器。高壓條件下危害更大，淄博科恩軟啟動(dòng)器型號(hào)。旁路點(diǎn)遲了，電機(jī)抖動(dòng)得厲害，淄博科恩軟啟動(dòng)器型號(hào)，影響負(fù)載正常工作。因此，旁路信號(hào)的硬件檢測(cè)電路必須非常精確，并且程序處理也要恰到好處。綜上所述，盡管低壓軟起動(dòng)器和高壓軟起動(dòng)器的基本原理一致，但高壓軟起動(dòng)器存在的諸多技術(shù)難題，淄博科恩軟啟動(dòng)器型號(hào)，使得在低壓軟起動(dòng)器遍地開(kāi)花的情況下，高壓軟起動(dòng)器的成熟產(chǎn)品并不多見(jiàn)。淄博科恩軟啟動(dòng)器型號(hào)</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)器型號(hào),科恩軟啟動(dòng)器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/13/14/636907616797936241_keendianqi_9000823.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)）。淄博科恩軟啟動(dòng)器型號(hào)</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)器型號(hào),科恩軟啟動(dòng)器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/13/14/636907616798092101_keendianqi_8628190.jpg"></div><p> 由于啟動(dòng)電流小.因此需要的配電容量也是所有啟動(dòng)方式中**小的。(4)采用變頻器控制的電動(dòng)機(jī)具有良好的動(dòng)態(tài)、靜態(tài)性能。由于變頻器本身就是用于電動(dòng)機(jī)調(diào)速的裝置.因此，控制電動(dòng)機(jī)的轉(zhuǎn)速是其基本功能.啟動(dòng)過(guò)程可以實(shí)現(xiàn)任意控制，理論上可以人為隨意設(shè)置任何啟動(dòng)速度曲線。這是其他方式所不具備的優(yōu)勢(shì)。(5)用變頗器拖動(dòng)多臺(tái)電動(dòng)機(jī)啟動(dòng)時(shí)，即使被拖動(dòng)電動(dòng)機(jī)的容量有較大懸殊，也不會(huì)形響其啟動(dòng)性能。(6)啟動(dòng)完成后，對(duì)電動(dòng)機(jī)而言，需要有一個(gè)供電切換過(guò)程:由變頻器供電切換到電網(wǎng)供電.在這個(gè)過(guò)程里會(huì)出現(xiàn)諸如變頻器安全、電流沖擊、轉(zhuǎn)速變化等問(wèn)題。簡(jiǎn)而言之.存在切換問(wèn)題。所謂軟切換就是安全、平穩(wěn)地切換。艾克威爾是專(zhuān)業(yè)專(zhuān)業(yè)軟起動(dòng)器生產(chǎn)廠家，主要生產(chǎn)高低壓軟起動(dòng)器，資質(zhì)齊全，使用更安心。 </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(kāi)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)器型號(hào),科恩軟啟動(dòng)器" src="https://tyunfile.71360.com/UploadFile/keendianqi/637235132860009766/2511509.jpg"></div><p> 變頻器和軟啟動(dòng)器是兩種完全不同用途的產(chǎn)品。變頻器主要是用于需要電動(dòng)機(jī)調(diào)速的地方，因此也被稱(chēng)為變頻調(diào)速器，其輸出不但改變電壓而且同時(shí)改變頻率。變頻器具備所有軟啟動(dòng)器和其他啟動(dòng)控制裝置的功能，且啟動(dòng)特性上較之其他電動(dòng)機(jī)啟動(dòng)裝置有比較大的優(yōu)勢(shì).因此完全可以用作電動(dòng)機(jī)的軟啟動(dòng)控制。但之所以目前在電動(dòng)機(jī)的啟動(dòng)控制領(lǐng)城軟啟動(dòng)器仍占據(jù)主要位置.是由于變頻器固有的一些劣勢(shì)，且短期內(nèi)很難克服.只有克服了這些劣勢(shì)之后.變頻器才有可能取代軟啟動(dòng)器。變頻器的特點(diǎn)如下。(1)啟動(dòng)轉(zhuǎn)矩大，功率因數(shù)高。因?yàn)殡妱?dòng)機(jī)的功率因數(shù)與工作頻率有關(guān)，在電動(dòng)機(jī)低速運(yùn)行時(shí)工頻電源下的功率因數(shù)遠(yuǎn)低于低頻電源下的功率因數(shù)。變頻器可以控制電動(dòng)機(jī)從低頻起步.且在整個(gè)啟動(dòng)過(guò)程中在接近額定電流的條件下始終保持比較高的功率因數(shù)和接近額定轉(zhuǎn)矩的輸出轉(zhuǎn)矩。(2)輕載或空載條件下.或啟動(dòng)期間采取減載卸載等措施時(shí).變頻器容量可以比電動(dòng)機(jī)容量小。當(dāng)然，啟動(dòng)完成后變頻器需要退出運(yùn)行。(3)啟動(dòng)電流小。變頻器一電動(dòng)機(jī)拖動(dòng)系統(tǒng)允許的啟動(dòng)時(shí)間可以很長(zhǎng)。因?yàn)樵谶@期間，電動(dòng)機(jī)電流可以不超過(guò)電動(dòng)機(jī)額定電流，因此，不論是變頻器、電動(dòng)機(jī)還是其他元器件均沒(méi)有超常地發(fā)熱。淄博科恩軟啟動(dòng)器型號(hào)</p><p style="text-indent:25px">淄博科恩軟啟動(dòng)器型號(hào)</p><p style="text-indent:25px">目前銷(xiāo)售在國(guó)內(nèi)發(fā)展時(shí)，依舊有諸多不便，例如與相關(guān)部門(mén)、電網(wǎng)、物業(yè)等各方所有的申請(qǐng)、協(xié)調(diào)等工作都是潛在問(wèn)題，并且目前銷(xiāo)售市場(chǎng)還存在一個(gè)重大問(wèn)題即利用率較低。就單從我國(guó)科恩變頻器，防爆柜，山東變頻器代理，電機(jī)智能軟啟動(dòng)器的產(chǎn)品品質(zhì)方面來(lái)看，相關(guān)設(shè)備制造行業(yè)門(mén)檻較低，生產(chǎn)的設(shè)備品質(zhì)參差不齊，存在劣幣驅(qū)逐良幣的現(xiàn)象。目前國(guó)內(nèi) 科恩變頻器，防爆柜，山東變頻器代理，電機(jī)智能軟啟動(dòng)器的設(shè)施運(yùn)營(yíng)商大部分都采購(gòu)、運(yùn)營(yíng)由其自身或者其關(guān)聯(lián)企業(yè)生產(chǎn)、制造的產(chǎn)品，并不完全是由市場(chǎng)行為決定的。科恩變頻器，防爆柜，山東變頻器代理，電機(jī)智能軟啟動(dòng)器的主要優(yōu)勢(shì)是可將手機(jī)方便放置在任意方位上，并且能夠在沒(méi)有雜亂電纜的情況下充電。這一點(diǎn)聽(tīng)起來(lái)可能不算什么，但是消費(fèi)者一旦體驗(yàn)過(guò)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，他們將永遠(yuǎn)不愿再回到傳統(tǒng)時(shí)代。.世界產(chǎn)業(yè)結(jié)構(gòu)的轉(zhuǎn)變，對(duì)中國(guó)的企業(yè)是一種挑戰(zhàn)，同時(shí)也是一個(gè)機(jī)會(huì)。這對(duì)促進(jìn)中國(guó)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(xiāo)售。(依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門(mén)批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng))等行業(yè)上規(guī)模、上檔次，增強(qiáng)產(chǎn)品開(kāi)發(fā)能力以及與國(guó)際接軌來(lái)說(shuō)是一個(gè)極好機(jī)會(huì)。淄博科恩軟啟動(dòng)器型號(hào)</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(xiāo)售。(依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門(mén)批準(zhǔn)后方可開(kāi)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(xiāo)售。(依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門(mén)批準(zhǔn)后方可開(kāi)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)始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功?？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/1480772.html</p></div></div></div></div></div><div id="rzz5vvf" class="page-right twoColRt"><div id="75zhfnl" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rrh5ltz" class="recomPic likePro"><a 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