大連控制柜、變頻控制箱和大連PLC變頻控制柜出現在市(shi)場中引起銷售熱潮，其功(gong)能(neng)(neng)全(quan)面(mian)特點是起到很大作用，不(bu)同(tong)功(gong)能(neng)(neng)迎合(he)到市(shi)場不(bu)同(tong)用戶群體，迅速占(zhan)據(ju)到各大市(shi)場空間。以下就來為大家全(quan)面(mian)介紹PLC變頻控制柜功(gong)能(neng)(neng)信息內(nei)容： 

1、電(dian)源切換與保(bao)護功能，PLC變頻(pin)控制柜通常(chang)設計有短(duan)路器元件，連(lian)接著進線電(dian)源，可以幫助變頻(pin)設備完成電(dian)路通斷控制，并能夠在電(dian)路和(he)變頻(pin)器出(chu)現短(duan)路或(huo)是運行(xing)過載時給予保(bao)護，解決設備在運行(xing)中會(hui)發生(sheng)電(dian)力輸送安全問題，對(dui)操(cao)控人員人身(shen)安全起到保(bao)護。 

2、變(bian)頻(pin)調(diao)速功能(neng)，PLC變(bian)頻(pin)控(kong)制(zhi)柜面板上設有變(bian)頻(pin)調(diao)速用(yong)電(dian)位器，可以(yi)(yi)根(gen)據操作人員輸(shu)送(song)頻(pin)率，向電(dian)機輸(shu)送(song)指(zhi)令(ling)信號，控(kong)制(zhi)電(dian)機運行速度，并且在部分產品(pin)設有工頻(pin)切換功能(neng)，以(yi)(yi)確保變(bian)頻(pin)器出現(xian)故障(zhang)(zhang)時(shi)，可以(yi)(yi)通過裝置(zhi)實現(xian)最低故障(zhang)(zhang)發生，減少設備出現(xian)損(sun)壞次(ci)數。 

國家(jia)發改(gai)委(wei)啟動的(de)十大重點(dian)節(jie)(jie)能(neng)工(gong)程(cheng)之一(yi)就是電(dian)機系(xi)(xi)統(tong)節(jie)(jie)能(neng)，并(bing)要求：推廣變頻調(diao)速(su)節(jie)(jie)能(neng)技(ji)術(shu)，風(feng)機、水泵、壓縮機等通用機械(xie)系(xi)(xi)統(tong)采用變頻調(diao)速(su)節(jie)(jie)能(neng)措(cuo)施，工(gong)業機械(xie)采用交流電(dian)動機變頻調(diao)速(su)技(ji)術(shu)；制定相關經(jing)濟激(ji)勵政(zheng)策(ce)、完善電(dian)機能(neng)效標準體系(xi)(xi)等配套措(cuo)施；“十一(yi)五”期間，實現電(dian)機系(xi)(xi)統(tong)運行效率提高2個(ge)百分點(dian)，形成年節(jie)(jie)電(dian)能(neng)力(li)200億(yi)千瓦時。 

為推動全(quan)(quan)社(she)(she)會展(zhan)開節(jie)能(neng)(neng)降耗，緩解能(neng)(neng)源瓶頸的制約，建設節(jie)能(neng)(neng)型社(she)(she)會，國家發改(gai)委制定了《節(jie)能(neng)(neng)中長期專項規(gui)劃》，并在2004年11月25日向全(quan)(quan)社(she)(she)會發布。該“規(gui)劃”明確指(zhi)出：能(neng)(neng)源是戰(zhan)略資源，是全(quan)(quan)面建設小康社(she)(she)會的重要物質基礎，必須堅(jian)持(chi)節(jie)約優(you)先。 

隨(sui)(sui)著(zhu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)技術和(he)(he)開(kai)(kai)(kai)(kai)(kai)關(guan)行(xing)業的飛速發展，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)設備與人們的工作、生活的關(guan)系日益(yi)密切，而(er)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)設備都(dou)離不開(kai)(kai)(kai)(kai)(kai)可靠的電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)，進(jin)入(ru)80年代(dai)計算機電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)全面實現(xian)了開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)化，率(lv)先完成計算機的電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)換代(dai)，進(jin)入(ru)90年代(dai)開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)相(xiang)繼進(jin)入(ru)各(ge)種電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器設備領域(yu)，程控(kong)交換機、通(tong)訊、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)檢(jian)測(ce)設備電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)、控(kong)制(zhi)設備電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)等都(dou)已廣泛(fan)地使(shi)用(yong)了開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)，更促進(jin)了開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)技術的迅速發展。開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)是(shi)利用(yong)現(xian)代(dai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)技術，控(kong)制(zhi)開(kai)(kai)(kai)(kai)(kai)關(guan)晶體管開(kai)(kai)(kai)(kai)(kai)通(tong)和(he)(he)關(guan)斷(duan)的時間比率(lv)，維持(chi)穩定輸出電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓的一種電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)，開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)一般由(you)脈沖(chong)寬度調制(zhi)（PWM）控(kong)制(zhi)IC和(he)(he)MOSFET構(gou)成。開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)和(he)(he)線性(xing)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)相(xiang)比，二者的成本都(dou)隨(sui)(sui)著(zhu)輸出功率(lv)的增加而(er)增長，但二者增長速率(lv)各(ge)異。