直流調速器是什么?有什么應用(yong)?下(xia)面，小編就為大家介紹(shao)一下(xia)：

　　一、什么是(shi)直(zhi)流調速器(qi)(qi)?直(zhi)流調速器(qi)(qi)就(jiu)是(shi)調節直(zhi)流電(dian)(dian)動(dong)機速度的(de)(de)設(she)備, 由于直(zhi)流電(dian)(dian)動(dong)機具(ju)有(you)(you)低轉速大力矩的(de)(de)特點,是(shi)交(jiao)流電(dian)(dian)動(dong)機無法取代的(de)(de), 因(yin)此調節直(zhi)流電(dian)(dian)動(dong)機速度的(de)(de)設(she)備—直(zhi)流調速器(qi)(qi),具(ju)有(you)(you)廣闊的(de)(de)應用天(tian)地(di)。

　　二、什么場合(he)下要(yao)選擇(ze)使用(yong)直流調速器? 下列場合(he)需(xu)要(yao)使用(yong)直流調速器: 1、需(xu)要(yao)較(jiao)寬的調速范圍。 2、需(xu)要(yao)較(jiao)快的動態響應過程。 3、加、減速時需(xu)要(yao)自動平滑的過渡過程。 4、需(xu)要(yao)低(di)速運轉(zhuan)時力矩(ju)大(da)。 5、需(xu)要(yao)較(jiao)好的挖(wa)土機特性，能(neng)將過載電流自動限止在設定(ding)電流上。 以上五點也是直流調速器的應用(yong)特點。

　　三、直流調(diao)速(su)器(qi)應(ying)用: 直流調(diao)速(su)器(qi)在數控機(ji)床、造紙印刷、紡織(zhi)印染、光纜(lan)線纜(lan)設備(bei)(bei)、包裝機(ji)械(xie)、電工機(ji)械(xie)、食品加工機(ji)械(xie)、橡膠(jiao)機(ji)械(xie)、生物設備(bei)(bei)、印制電路(lu)板設備(bei)(bei)、實驗(yan)設備(bei)(bei)、焊接切(qie)割、輕(qing)工機(ji)械(xie)、物流輸送設備(bei)(bei)、機(ji)車(che)車(che)輛(liang)、醫設備(bei)(bei)、通訊設備(bei)(bei)、雷達設備(bei)(bei)、衛星地(di)面接受系統(tong)等 廣泛(fan)應(ying)用。

　　四、直(zhi)(zhi)(zhi)(zhi)流(liu)調(diao)(diao)(diao)(diao)(diao)速器(qi)工作原(yuan)理(li)簡(jian)單介(jie)紹： 直(zhi)(zhi)(zhi)(zhi)流(liu)調(diao)(diao)(diao)(diao)(diao)速器(qi)就是調(diao)(diao)(diao)(diao)(diao)節(jie)直(zhi)(zhi)(zhi)(zhi)流(liu)電(dian)(dian)(dian)動(dong)(dong)機(ji)速度的設備(bei)，上端和交流(liu)電(dian)(dian)(dian)源(yuan)連接，下(xia)端和直(zhi)(zhi)(zhi)(zhi)流(liu)電(dian)(dian)(dian)動(dong)(dong)機(ji)連接，直(zhi)(zhi)(zhi)(zhi)流(liu)調(diao)(diao)(diao)(diao)(diao)速器(qi)將交流(liu)電(dian)(dian)(dian)轉化成(cheng)兩路(lu)輸出直(zhi)(zhi)(zhi)(zhi)流(liu)電(dian)(dian)(dian)源(yuan)，一路(lu)輸入給直(zhi)(zhi)(zhi)(zhi)流(liu)電(dian)(dian)(dian)機(ji)礪磁(定子)，一路(lu)輸入給直(zhi)(zhi)(zhi)(zhi)流(liu)電(dian)(dian)(dian)機(ji)電(dian)(dian)(dian)樞(轉子)，直(zhi)(zhi)(zhi)(zhi)流(liu)調(diao)(diao)(diao)(diao)(diao)速器(qi)通過控制電(dian)(dian)(dian)樞直(zhi)(zhi)(zhi)(zhi)流(liu)電(dian)(dian)(dian)壓(ya)來(lai)調(diao)(diao)(diao)(diao)(diao)節(jie)直(zhi)(zhi)(zhi)(zhi)流(liu)電(dian)(dian)(dian)動(dong)(dong)機(ji)轉速。同時直(zhi)(zhi)(zhi)(zhi)流(liu)電(dian)(dian)(dian)動(dong)(dong)機(ji)給調(diao)(diao)(diao)(diao)(diao)速器(qi)一個(ge)反饋電(dian)(dian)(dian)流(liu)，調(diao)(diao)(diao)(diao)(diao)速器(qi)根據反饋電(dian)(dian)(dian)流(liu)來(lai)判(pan)斷(duan)直(zhi)(zhi)(zhi)(zhi)流(liu)電(dian)(dian)(dian)機(ji)的轉速情(qing)況， 時修正(zheng)電(dian)(dian)(dian)樞電(dian)(dian)(dian)壓(ya)輸出，以此來(lai)再次調(diao)(diao)(diao)(diao)(diao)節(jie)電(dian)(dian)(dian)機(ji)的轉速。

　　五、直流電(dian)(dian)機的(de)調速方(fang)案一(yi)般有下列(lie)3種方(fang)式： 1、改(gai)(gai)變電(dian)(dian)樞電(dian)(dian)壓(ya)( 常用(yong)的(de)是(shi)調壓(ya)調速系統); 2、改(gai)(gai)變激磁繞(rao)組電(dian)(dian)壓(ya); 3、改(gai)(gai)變電(dian)(dian)樞回(hui)路電(dian)(dian)阻。

　　六、一種模塊(kuai)式直(zhi)流電(dian)機調(diao)速(su)器，集電(dian)源、控制、驅動(dong)電(dian)路(lu)(lu)于(yu)一體，采用(yong)(yong)立(li)體結(jie)構(gou)布局，控制電(dian)路(lu)(lu)采用(yong)(yong)微(wei)(wei)功(gong)耗元件，用(yong)(yong)光電(dian)耦合器實現電(dian)流、電(dian)壓的隔離變換，電(dian)路(lu)(lu)的比例常數、積(ji)(ji)分常數和微(wei)(wei)分常數用(yong)(yong)PID適配(pei)器調(diao)整。該(gai)調(diao)速(su)器體積(ji)(ji)小、重量(liang)輕，可單獨使用(yong)(yong)也可直(zhi)接安裝(zhuang)在(zai)直(zhi)流電(dian)機上構(gou)成一體化直(zhi)流調(diao)速(su)電(dian)機，可具有調(diao)速(su)器所應有的 功(gong)能。