淄博科恩軟啟動(dòng)器總代理淄博科恩電氣自動(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="過載保護(hù)功能。一般電機(jī)的過載保護(hù)是通過熱元件來實(shí)現(xiàn)的，熱元件在電動(dòng)機(jī)的啟動(dòng)瞬間過電流而產(chǎn)生誤動(dòng)作。為避免誤動(dòng)，用戶常加大熱元件的設(shè)定電流，因而使得過載保護(hù)的靈敏度不夠，使過載保護(hù)形同虛設(shè)。而軟啟動(dòng)器內(nèi)置的過載保護(hù)功能是根據(jù)啟動(dòng)負(fù)荷的輕重（即"><meta name="keywords" content="淄博科恩軟啟動(dòng)器總代理,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 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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)器總代理淄博科恩電氣自動(dòng)化技術(shù)供應(yīng)</p><div id="3km4hsp" class="leftbox clearfix"><h1>淄博科恩軟啟動(dòng)器總代理淄博科恩電氣自動(dòng)化技術(shù)供應(yīng)</h1><div id="dcponjg" class="proBig"><div id="uyfpgnp" 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="lfhwnkb" 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="rac2amy" 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)器總代理,科恩軟啟動(dòng)器</p><p><span>***更新：</span>2020-09-10 12:00:40</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="sgirnzr" 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="g22prta" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="epr8tqx" class="box"><p><p> 過載保護(hù)功能。一般電機(jī)的過載保護(hù)是通過熱元件來實(shí)現(xiàn)的，熱元件在電動(dòng)機(jī)的啟動(dòng)瞬間過電流而產(chǎn)生誤<span style="font-size:12px;">動(dòng)作。為避免誤動(dòng)，用戶常加大熱元件的設(shè)定電流，因而使得過載保護(hù)的靈敏度不夠，使過載保護(hù)形同虛設(shè)。</span><span style="font-size:12px;">而軟啟動(dòng)器內(nèi)置的過載保護(hù)功能是根據(jù)啟動(dòng)負(fù)荷的輕重（即啟動(dòng)時(shí)間的長短）來選擇不同的脫扣特性曲線，淄博科恩軟啟動(dòng)器總代理，以</span><span style="font-size:12px;">避免突然啟動(dòng)過程中誤跳。由于它的過載保護(hù)是可編程的，淄博科恩軟啟動(dòng)器總代理，淄博科恩軟啟動(dòng)器總代理，從而為用戶提供了更大的靈活性。選用帶內(nèi)置過載</span><span style="font-size:12px;">保護(hù)功能的軟啟動(dòng)器還可以省去熱繼電器，使控制柜內(nèi)布線簡(jiǎn)單。</span> 淄博科恩軟啟動(dòng)器總代理</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)器總代理,科恩軟啟動(dòng)器" src="https://tyunfile.71360.com/UploadFile/keendianqi/637235132860009766/2511509.jpg"></div><p> 軟啟動(dòng)的好處1．降低電動(dòng)機(jī)的起動(dòng)電流，減少配電容量，避免增容投資；2．減少起動(dòng)應(yīng)力，延長電動(dòng)機(jī)及相關(guān)設(shè)備的使用壽命；3．平穩(wěn)的起動(dòng)和軟停車避免了傳統(tǒng)起動(dòng)設(shè)備的喘振問題、水錘效應(yīng)；4．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，改善工藝；5．完善可靠的保護(hù)功能，更有效的保護(hù)電動(dòng)機(jī)及相關(guān)設(shè)備的安全；軟啟動(dòng)器的工作原理軟起動(dòng)主要由串接于電源與被控電動(dòng)機(jī)之間三對(duì)反并聯(lián)晶閘管調(diào)壓電路構(gòu)成?，F(xiàn)代軟啟動(dòng)器基本上都采用了電力電子技術(shù)和微機(jī)控制技術(shù)，以單片微機(jī)作為**控制器控制來完成測(cè)量及各種控制算法。因此，山東濟(jì)寧軟啟動(dòng)器具備了很強(qiáng)的功能和靈活性。整個(gè)起動(dòng)過程是數(shù)字化程序軟件控制下自動(dòng)進(jìn)行。利用三對(duì)晶閘管的電子開關(guān)特性，通過MCU或單片機(jī)控制其觸發(fā)脈沖的遲早來改變觸發(fā)角的大小。而改變觸發(fā)導(dǎo)通角的大小，又改變了晶閘管的導(dǎo)通時(shí)間，**終改變定子繞組的三相電壓的大小。主要元件1、晶閘管：每相一對(duì)反并聯(lián)晶閘管，這是主要的功率元件，也是軟啟動(dòng)器的主要成本之一，國內(nèi)做反并聯(lián)晶閘管的廠家有很多，從便宜的到貴的都有，質(zhì)量更是參差不齊。2、控制主板：基本上每個(gè)廠家都有自己開發(fā)的主板，市場(chǎng)上也有很多通用主板。淄博科恩軟啟動(dòng)器總代理</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)器總代理,科恩軟啟動(dòng)器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/13/14/636907616797936241_keendianqi_9000823.jpg"></div><p> 由于設(shè)備的起動(dòng)一停止特性，不希望電潛泵循環(huán)運(yùn)行?！翱缇€路”起動(dòng)導(dǎo)致電流波動(dòng)為標(biāo)準(zhǔn)工作電流的5-8倍。這種波動(dòng)能損壞馬達(dá)和電纜，還會(huì)引起線路電壓紊亂。而停車(會(huì)引起較大的電流量和電壓峰值。因此，許多操作者常常不建議使電潛泵設(shè)備更多的起動(dòng)和停車)，除非需要.這就給使用電潛泵帶來了許多設(shè)計(jì)問題。在設(shè)計(jì)問題上，若電潛泵選小了，泵一定被拖住使產(chǎn)量降低.若泵尺寸設(shè)計(jì)大了，會(huì)造成油井有停泵的趨勢(shì)。在增加井口回壓來減小離心泵的排量時(shí)，原采用循環(huán)運(yùn)行。這是不希望出現(xiàn)的。由于施加回壓要帶來能量的浪費(fèi)，并引起泵內(nèi)止推軸承發(fā)生問題而導(dǎo)致過早的損壞。如果減小電壓或電潛泵采用軟啟動(dòng)顯示出消除循環(huán)運(yùn)行的不利影響，那么電潛泵的設(shè)計(jì)就變得容易的多.泵排量可選為油井排量的25-30%，這樣每天油井生產(chǎn)有足夠的時(shí)數(shù)來滿足油井排量.目前所使用高電壓起動(dòng)的標(biāo)準(zhǔn)電氣設(shè)備大功率感應(yīng)式馬達(dá)，是一個(gè)電力一機(jī)械“跨線路”起動(dòng)器.它能控制電壓高達(dá)2500V和1000hp的功率，而本身不發(fā)生問題.按一下按鈕即可起動(dòng)，它激發(fā)一個(gè)110VAC繼電器，繼而依次接通主電源繼電器.起動(dòng)幾乎是瞬時(shí)的。每當(dāng)使用通常方法進(jìn)行控制起動(dòng)，在常用的星形接三相電的轉(zhuǎn)換線路中。 </p><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)行過載保護(hù)，不要加裝熱過載繼電器。由于經(jīng)過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><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博科恩軟啟動(dòng)器總代理,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">電機(jī)軟啟動(dòng)器是主要采用電力電子技術(shù)和微處理技術(shù)以及現(xiàn)代控制理論而設(shè)計(jì)生產(chǎn)的具有先進(jìn)水平的新型啟動(dòng)設(shè)備，電機(jī)軟啟動(dòng)器主要具有抗干擾功能、可靠性高、多重保護(hù)功能等特點(diǎn)，根據(jù)這些特點(diǎn)電機(jī)軟啟動(dòng)器得到了普遍應(yīng)用，主要應(yīng)用于風(fēng)機(jī)、水泵、輸送類及壓縮機(jī)等領(lǐng)域。電機(jī)軟啟動(dòng)器是一種集電機(jī)軟起動(dòng)、軟停車、輕載節(jié)能等多功能于一體的新型電機(jī)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(dòng)機(jī)定子之間，使軟啟動(dòng)器啟動(dòng)電動(dòng)機(jī)時(shí)，晶閘管所輸出的電壓逐漸增加，同時(shí)電動(dòng)機(jī)也逐漸加速，直到晶閘管全部疏通，電動(dòng)機(jī)工作在額定電壓的機(jī)械特性上，才能實(shí)現(xiàn)平滑啟動(dòng)，降低啟動(dòng)電流，來避免啟動(dòng)電流過大而產(chǎn)生跳閘的現(xiàn)象。待電機(jī)達(dá)到額定轉(zhuǎn)數(shù)時(shí)，啟動(dòng)過程結(jié)束，軟啟動(dòng)器自動(dòng)用旁路所接觸器來取代晶閘管，為電動(dòng)機(jī)正常運(yùn)轉(zhuǎn)提供額定電壓，以降低晶閘管的熱損耗同時(shí)還延長軟啟動(dòng)器的使用壽命，提高其工作效率。同時(shí)電氣軟啟動(dòng)器還提供了軟停車的功能，軟停車與軟啟動(dòng)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。淄博科恩軟啟動(dòng)器總代理</p><p style="text-indent:25px">淄博科恩軟啟動(dòng)器總代理</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。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。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。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)器總代理</p><p style="text-indent:25px">淄博科恩電氣自動(dòng)化技術(shù)有限公司致力于電工電氣，是一家生產(chǎn)型公司。公司業(yè)務(wù)分為科恩變頻器，防爆柜，山東變頻器代理，電機(jī)智能軟啟動(dòng)器等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于電工電氣行業(yè)的發(fā)展。科恩供應(yīng)憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: 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