淄博科恩軟啟動(dòng)器值得信賴淄博科恩電氣自動(dòng)化技術(shù)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="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(hào)為“V”、“VT表示，淄博科恩軟啟動(dòng)器值得信賴。晶閘管在工作過程中，它的陽極(A"><meta name="keywords" content="淄博科恩軟啟動(dòng)器值得信賴,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" /> <meta 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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)器值得信賴淄博科恩電氣自動(dòng)化技術(shù)供應(yīng)</p><div id="h7vlbip" class="leftbox clearfix"><h1>淄博科恩軟啟動(dòng)器值得信賴淄博科恩電氣自動(dòng)化技術(shù)供應(yīng)</h1><div id="lifebxj" class="proBig"><div id="1ndxtfh" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keendianqi/637235132860009766/2511509.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="u8xpgnp" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keendianqi/637235132860009766/2511509.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="mkcovm8" 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)器值得信賴,科恩軟啟動(dòng)器</p><p><span>***更新：</span>2020-10-27 12:01:53</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="d3ahofr" 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="znp2z39" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rk8rawy" class="box"><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(hào)為“V”、“VT表示，淄博科恩軟啟動(dòng)器值得信賴。晶閘管在工作過程中，它的陽極(A)和陰極(K)與電源和負(fù)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(dòng)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(shí)，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(shí)，*在門極承受正向電壓的情況下晶閘管才導(dǎo)通，淄博科恩軟啟動(dòng)器值得信賴。這時(shí)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，淄博科恩軟啟動(dòng)器值得信賴。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(shí)，晶閘管關(guān)斷。淄博科恩軟啟動(dòng)器值得信賴</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)器值得信賴,科恩軟啟動(dòng)器" src="https://tyunfile.71360.com/UploadFile/keendianqi/637235132860009766/2511509.jpg"></div><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)的過程中啟動(dòng)電流，由過去的過載沖擊不可控電流變成了可控制的電流，并且可以根據(jù)需要來對電機(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)的容量相對來說比較大時(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.對電網(wǎng)的影響對于電網(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)，大電流對電網(wǎng)的沖擊相當(dāng)于三相短路對電網(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)生操作過電壓，有時(shí)會(huì)達(dá)到外加電壓的5倍以上，這樣高的過電壓會(huì)對電機(jī)絕緣造成極大。淄博科恩軟啟動(dòng)器值得信賴</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)器值得信賴,科恩軟啟動(dòng)器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/12/14/636906757481314664_keendianqi_4786054.jpg"></div><p> 高壓軟起動(dòng)器對信號(hào)的檢測比低壓軟起動(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]合過程中會(huì)產(chǎn)生大量的電磁干擾。所以對檢測到的信號(hào)不*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。旁路點(diǎn)遲了，電機(jī)抖動(dòng)得厲害，影響負(fù)載正常工作。因此，旁路信號(hào)的硬件檢測電路必須非常精確，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，使得在低壓軟起動(dòng)器遍地開花的情況下，高壓軟起動(dòng)器的成熟產(chǎn)品并不多見。 </p><p> 軟啟動(dòng)器（softstarter）是一種集電機(jī)軟起動(dòng)、軟停車、多種保護(hù)功能于一體的新穎電機(jī)控制裝置，國外稱為SoftStarter。從短期來看軟起動(dòng)將仍然以各種形式的降壓（限流）軟起動(dòng)為它的主要形式，從市場的理論來講，軟起動(dòng)器的性價(jià)比高將會(huì)占據(jù)市場的巨大份額。但是由于人們對于軟起動(dòng)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(huì)有自己的一席之地?？陀^的方面有：使用的環(huán)境（溫度、濕度變化范圍）、起動(dòng)負(fù)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(huì)很在意于液態(tài)軟起動(dòng)液阻會(huì)不會(huì)結(jié)冰。主觀方面：主管人員的知識(shí)水平、維護(hù)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(shí)老化的單位中，他們可能不會(huì)樂意選用技術(shù)含量高的產(chǎn)品。 </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)器值得信賴,科恩軟啟動(dòng)器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/13/14/636907616798092101_keendianqi_3627139.jpg"></div><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。軟啟動(dòng)器選擇R型變壓器也不是沒有道理的，下面來說一下使用R型變壓器的好處。 1.效率高 R型變壓器鐵芯無切割，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，因此在使用過程中不會(huì)發(fā)出噪音來。 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，在使用過程中無需采取防范措施來防止漏磁的現(xiàn)象。 4.符合安全的標(biāo)準(zhǔn) 由于它的獨(dú)特設(shè)計(jì)，將初級與次級的骨架分開，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的安全標(biāo)準(zhǔn)淄博科恩軟啟動(dòng)器銷售廠家</p><p style="text-indent:25px">淄博科恩軟啟動(dòng)器值得信賴</p><p> 現(xiàn)在跟大家講講根據(jù)負(fù)載性質(zhì)選擇不同型號(hào)的軟啟動(dòng)器來選用軟啟動(dòng)器軟啟動(dòng)器選型：目前市場上常見的軟啟動(dòng)器有旁路型軟啟動(dòng)器、無旁路型軟啟動(dòng)器、節(jié)能型軟啟動(dòng)器等。下面我們來一一講它們的功能：旁路型軟啟動(dòng)器：在電動(dòng)機(jī)達(dá)到額定轉(zhuǎn)數(shù)時(shí)，用旁路接觸器取代已完成任務(wù)的軟啟動(dòng)器，降低晶閘管的熱損耗，提高其工作效率。也可以用一臺(tái)軟啟動(dòng)器去啟動(dòng)多臺(tái)電動(dòng)機(jī)。無旁路型軟啟動(dòng)器：晶閘管處于全導(dǎo)通狀態(tài)，電動(dòng)機(jī)工作于全壓方式，忽略電壓諧波分量，經(jīng)常用于短時(shí)重復(fù)工作的電動(dòng)機(jī)。節(jié)能型軟啟動(dòng)器：當(dāng)電動(dòng)機(jī)負(fù)荷較輕時(shí)，軟啟動(dòng)器自動(dòng)降低施加于電動(dòng)機(jī)定子上的電壓，減少電動(dòng)機(jī)電流勵(lì)磁分量，提高電動(dòng)機(jī)功率因數(shù)。軟啟動(dòng)器如何選規(guī)格?根據(jù)電動(dòng)機(jī)的標(biāo)稱功率，電流負(fù)載性質(zhì)選擇啟動(dòng)器，一般軟啟動(dòng)器容量稍大于電動(dòng)機(jī)工作電流，還應(yīng)考慮保護(hù)作用是否完備，例如：缺相保護(hù)、短路保護(hù)、過載保護(hù)、逆序保護(hù)、過壓保護(hù)、欠壓保護(hù)等。淄博科恩軟啟動(dòng)器值得信賴</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)營活動(dòng))的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠實(shí)可信的企業(yè)?？贫鞴?yīng)深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**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。科恩供應(yīng)不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)?？贫鞴?yīng)創(chuàng)始人李寧，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1732521.html</p></div></div></div></div></div><div id="y7ctvct" class="page-right twoColRt"><div id="6rikmyq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7dmyami" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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