矢量(liang)控(kong)(kong)(kong)(kong)制(zhi)(zhi)變(bian)頻調速的(de)(de)做法(fa)是(shi)將異步(bu)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)在三相(xiang)坐(zuo)(zuo)標系下(xia)的(de)(de)定(ding)子(zi)(zi)(zi)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)Ia、Ib、Ic、通過三相(xiang)－二相(xiang)變(bian)換(huan)，等效(xiao)成兩(liang)(liang)相(xiang)靜止坐(zuo)(zuo)標系下(xia)的(de)(de)交流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)Ia1Ib1，再通過按(an)轉子(zi)(zi)(zi)磁(ci)場定(ding)向旋(xuan)轉變(bian)換(huan)，等效(xiao)成同步(bu)旋(xuan)轉坐(zuo)(zuo)標系下(xia)的(de)(de)直流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)Im1、It1(Im1相(xiang)當(dang)于直流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)的(de)(de)勵磁(ci)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)；It1相(xiang)當(dang)于與轉矩(ju)(ju)成正(zheng)比的(de)(de)電(dian)(dian)(dian)(dian)(dian)樞電(dian)(dian)(dian)(dian)(dian)流(liu)(liu))，然(ran)后模仿直流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)的(de)(de)控(kong)(kong)(kong)(kong)制(zhi)(zhi)方(fang)法(fa)，求得(de)直流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)的(de)(de)控(kong)(kong)(kong)(kong)制(zhi)(zhi)量(liang)，經過相(xiang)應的(de)(de)坐(zuo)(zuo)標反變(bian)換(huan)，實(shi)現(xian)對異步(bu)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)的(de)(de)控(kong)(kong)(kong)(kong)制(zhi)(zhi)。其實(shi)質是(shi)將交流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)等效(xiao)為直流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)，分(fen)別對速度，磁(ci)場兩(liang)(liang)個分(fen)量(liang)進行(xing)單(dan)獨控(kong)(kong)(kong)(kong)制(zhi)(zhi)。通過控(kong)(kong)(kong)(kong)制(zhi)(zhi)轉子(zi)(zi)(zi)磁(ci)鏈，然(ran)后分(fen)解(jie)(jie)定(ding)子(zi)(zi)(zi)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)而獲得(de)轉矩(ju)(ju)和磁(ci)場兩(liang)(liang)個分(fen)量(liang)，經坐(zuo)(zuo)標變(bian)換(huan)，實(shi)現(xian)正(zheng)交或解(jie)(jie)耦控(kong)(kong)(kong)(kong)制(zhi)(zhi)。矢量(liang)控(kong)(kong)(kong)(kong)制(zhi)(zhi)方(fang)法(fa)的(de)(de)提出具有劃(hua)時代(dai)的(de)(de)意義。然(ran)而在實(shi)際應用(yong)(yong)中，由于轉子(zi)(zi)(zi)磁(ci)鏈難以準確觀測，系統特性受電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)參數的(de)(de)影響較(jiao)大，且在等效(xiao)直流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)控(kong)(kong)(kong)(kong)制(zhi)(zhi)過程中所用(yong)(yong)矢量(liang)旋(xuan)轉變(bian)換(huan)較(jiao)復雜，使得(de)實(shi)際的(de)(de)控(kong)(kong)(kong)(kong)制(zhi)(zhi)效(xiao)果(guo)難以達到理想分(fen)析的(de)(de)結果(guo)。常州市笑天自動(dong)(dong)化(hua)科技(ji)有限公司匯(hui)川變(bian)頻器維修(xiu)，若有需要，歡迎(ying)來電(dian)(dian)(dian)(dian)(dian)。山東(dong)匯(hui)川MD500變(bian)頻器產(chan)品(pin)怎么樣

日常檢查事項：在變(bian)(bian)頻(pin)(pin)(pin)器(qi)(qi)(qi)上電(dian)之前應先檢查周(zhou)圍環境的(de)(de)溫度(du)及濕(shi)度(du)，溫度(du)過高時會導致變(bian)(bian)頻(pin)(pin)(pin)器(qi)(qi)(qi)過熱報(bao)警，嚴重(zhong)的(de)(de)則(ze)會直(zhi)接導致變(bian)(bian)頻(pin)(pin)(pin)器(qi)(qi)(qi)功(gong)率器(qi)(qi)(qi)件損(sun)壞(huai)、電(dian)路短路;空氣過于(yu)潮濕(shi)會導致變(bian)(bian)頻(pin)(pin)(pin)器(qi)(qi)(qi)內部(bu)直(zhi)接短路。變(bian)(bian)頻(pin)(pin)(pin)器(qi)(qi)(qi)運(yun)行時要注意(yi)其冷卻系(xi)統是否(fou)正常，比如(ru)：風道排(pai)風是否(fou)流(liu)暢，風機是否(fou)有(you)異常聲音(yin)。一般防護等(deng)級比較高的(de)(de)變(bian)(bian)頻(pin)(pin)(pin)器(qi)(qi)(qi)如(ru)：IP20以上的(de)(de)變(bian)(bian)頻(pin)(pin)(pin)器(qi)(qi)(qi)可直(zhi)接敞(chang)開安(an)裝，IP20以下的(de)(de)變(bian)(bian)頻(pin)(pin)(pin)器(qi)(qi)(qi)一般應是柜式(shi)安(an)裝，所以變(bian)(bian)頻(pin)(pin)(pin)柜散熱效果如(ru)何將直(zhi)接影響(xiang)變(bian)(bian)頻(pin)(pin)(pin)器(qi)(qi)(qi)的(de)(de)正常的(de)(de)運(yun)行。

定(ding)期(qi)保(bao)養清掃空(kong)氣過濾器(qi)冷卻(que)風道及(ji)(ji)內部灰(hui)塵。檢(jian)查(cha)螺絲釘、螺栓以及(ji)(ji)即插件等(deng)是(shi)否松動，輸入(ru)輸出(chu)電(dian)(dian)(dian)抗器(qi)的(de)(de)(de)對地及(ji)(ji)相(xiang)間電(dian)(dian)(dian)阻是(shi)否有(you)短路現(xian)象，正(zheng)常(chang)應大于幾十(shi)兆歐。導體及(ji)(ji)絕緣體是(shi)否有(you)腐蝕現(xian)象，如有(you)要及(ji)(ji)時用(yong)酒精擦試干凈(jing)。如條件允許(xu)的(de)(de)(de)情況(kuang)下，要用(yong)示波器(qi)測(ce)量開(kai)關電(dian)(dian)(dian)源輸出(chu)各路電(dian)(dian)(dian)壓的(de)(de)(de)平(ping)穩性，如：5V、12V、15V、24V等(deng)電(dian)(dian)(dian)壓。測(ce)量驅動電(dian)(dian)(dian)路各路波形的(de)(de)(de)方(fang)波是(shi)否有(you)畸(ji)變(bian)。UVW相(xiang)間波形是(shi)否為正(zheng)弦波。接觸器(qi)的(de)(de)(de)觸點是(shi)否有(you)打火痕跡，嚴重的(de)(de)(de)要跟換同型號或大于原容量的(de)(de)(de)新品(pin);確(que)(que)認控制(zhi)電(dian)(dian)(dian)壓的(de)(de)(de)正(zheng)確(que)(que)性，進(jin)行(xing)順序保(bao)護動作試驗;確(que)(que)認保(bao)護顯示回路無異常(chang);確(que)(que)認變(bian)頻(pin)器(qi)在單獨運行(xing)時輸出(chu)電(dian)(dian)(dian)壓的(de)(de)(de)平(ping)衡度。建(jian)議定(ding)期(qi)檢(jian)查(cha)，應一年進(jin)行(xing)一次。福建(jian)匯(hui)川(chuan)高壓變(bian)頻(pin)器(qi)產品(pin)怎(zen)么樣常(chang)州市笑(xiao)天自(zi)動化(hua)科(ke)技有(you)限公司(si)主(zhu)營匯(hui)川(chuan)高壓變(bian)頻(pin)器(qi)，若有(you)需要，歡迎來電(dian)(dian)(dian)。

集成(cheng)全部控(kong)制(zhi)(zhi)算法VF/SVC/FVC/PMVVC集成(cheng)MD500平臺70個(ge)軟件非標支持(chi)多種高速(su)(su)總(zong)線Modbus-485、CANLink、CANopen、EtherCAT、Profinet、EtherNet/IP同步機控(kong)制(zhi)(zhi)性能(neng)突破SVC轉(zhuan)矩(ju)(ju)精(jing)度5%SVC節能(neng)算法；同步機轉(zhuan)速(su)(su)跟蹤、電子(zi)封星；新型PMVVC算法異(yi)步機控(kong)制(zhi)(zhi)性能(neng)突破SVC調速(su)(su)比提升(sheng)至1：1000；零速(su)(su)懸停/零速(su)(su)建張；大于10%輸出(chu)轉(zhuan)矩(ju)(ju)場合SVC替代FVC；SVC收放卷轉(zhuan)矩(ju)(ju)精(jing)度≤5%

同步(bu)機控制(zhi)性能突破SVC轉(zhuan)矩精度(du)5%SVC節能算(suan)法；同步(bu)機轉(zhuan)速跟(gen)蹤、電子封星；新型PMVVC算(suan)法

實(shi)現(xian)電(dian)(dian)機軟啟(qi)(qi)(qi)動(dong)電(dian)(dian)機硬(ying)啟(qi)(qi)(qi)動(dong)不(bu)僅會對(dui)電(dian)(dian)網(wang)(wang)造成嚴(yan)重的沖擊，而(er)且會對(dui)電(dian)(dian)網(wang)(wang)容量(liang)要求過高，啟(qi)(qi)(qi)動(dong)時產(chan)生的大(da)(da)電(dian)(dian)流和震動(dong)對(dui)擋(dang)板和閥門(men)的損害極(ji)大(da)(da)，對(dui)設備、管路的使(shi)用(yong)(yong)壽命極(ji)為不(bu)利。而(er)使(shi)用(yong)(yong)變頻器后，變頻器的軟啟(qi)(qi)(qi)動(dong)功(gong)能將使(shi)啟(qi)(qi)(qi)動(dong)電(dian)(dian)流從零開(kai)始變化，最大(da)(da)值(zhi)也(ye)(ye)不(bu)超過額(e)定(ding)電(dian)(dian)流，減輕了對(dui)電(dian)(dian)網(wang)(wang)的沖擊和對(dui)供電(dian)(dian)容量(liang)的要求，延(yan)長了設備和閥門(men)的使(shi)用(yong)(yong)壽命，同時也(ye)(ye)節省設備的維(wei)護(hu)費用(yong)(yong)。

匯(hui)川(chuan)變頻(pin)器已廣泛(fan)應(ying)用于冶金、起重、石油、化工(gong)(gong)、機床(chuang)、電動(dong)汽(qi)車、金屬(shu)加(jia)工(gong)(gong)、建(jian)材、石材、木材加(jia)工(gong)(gong)、陶瓷、塑膠、空壓機、洗衣機、供(gong)水、空調、市政工(gong)(gong)程、紡(fang)織、印刷、礦山等(deng)行業。常州市笑天自動(dong)化科技(ji)有限公司主(zhu)營(ying)匯(hui)川(chuan)工(gong)(gong)程型單傳變頻(pin)器，若有需(xu)要(yao)，歡迎來電咨詢(xun)。

性(xing)價比高(gao)(gao)MD810功率(lv)范圍(wei)：整流單(dan)元(yuan)22~355kW，逆(ni)變單(dan)元(yuan)1.5~355kW，具備單(dan)雙(shuang)軸兩個版本，雙(shuang)軸二合一(yi)性(xing)價比更高(gao)(gao)全總線(xian)支持多全總線(xian)支持：EtherCAT、Profinet、Profibus-DP、CANopen、CANLink、Modbus等(deng)結構緊湊等(deng)高(gao)(gao)等(deng)深書本型模(mo)(mo)塊設計，實(shi)現(xian)(xian)并(bing)排緊湊安(an)裝，柜體(ti)利用(yong)率(lv)高(gao)(gao)，占地(di)面積小，電(dian)氣一(yi)體(ti)化成(cheng)柜可實(shi)現(xian)(xian)移動(dong)(dong)機載易(yi)調試自適應(ying)(ying)調試，一(yi)網(wang)連接，5分鐘(zhong)完(wan)成(cheng)整線(xian)調成(cheng)本小每個模(mo)(mo)塊單(dan)元(yuan)內置Mini型旋轉(zhuan)搭片式(shi)母線(xian)連接方式(shi)，將部件集(ji)成(cheng)到較小空間，減少冗余系統器件，降(jiang)低配電(dian)成(cheng)本應(ying)(ying)用(yong)范圍(wei)大標準軟件集(ji)成(cheng)張(zhang)力控(kong)(kong)(kong)制(zhi)、同步控(kong)(kong)(kong)制(zhi)、定位控(kong)(kong)(kong)制(zhi)等(deng)10余種工藝(yi)，應(ying)(ying)用(yong)宏定位準確變頻+伺服一(yi)體(ti)化應(ying)(ying)用(yong)，可實(shi)現(xian)(xian)1圈800萬脈沖定位控(kong)(kong)(kong)制(zhi)常州市笑天自動(dong)(dong)化科(ke)技有限公(gong)司(si)主營(ying)匯川高(gao)(gao)性(xing)能多傳變頻器，若(ruo)有需要(yao)，歡(huan)迎咨詢。匯川MD500變頻器產品怎(zen)么樣

常州市(shi)笑(xiao)天(tian)自動化科(ke)技有限公司主營匯川(chuan)工程變頻(pin)器(qi)，若(ruo)有需要，歡迎來電(dian)咨詢。山東匯川(chuan)MD500變頻(pin)器(qi)產(chan)品(pin)怎么樣

1．按輸入(ru)電(dian)壓等級(ji)分(fen)類變(bian)頻(pin)器按輸入(ru)電(dian)壓等級(ji)可(ke)分(fen)低(di)(di)壓變(bian)頻(pin)器和高(gao)(gao)壓變(bian)頻(pin)器，低(di)(di)壓變(bian)頻(pin)器國內常見的有單(dan)相220 V變(bian)頻(pin)器、三(san)相220 V變(bian)頻(pin)器、i相380 V變(bian)頻(pin)器。高(gao)(gao)壓變(bian)頻(pin)器常見有6 kV、10 kV變(bian)壓器，控制方式一(yi)(yi)般是按高(gao)(gao)低(di)(di)一(yi)(yi)高(gao)(gao)變(bian)頻(pin)器或高(gao)(gao)一(yi)(yi)高(gao)(gao)變(bian)頻(pin)器方式進行變(bian)換的。

2．按(an)變(bian)(bian)(bian)(bian)換頻(pin)率(lv)(lv)的(de)方(fang)法分類變(bian)(bian)(bian)(bian)頻(pin)器按(an)頻(pin)率(lv)(lv)變(bian)(bian)(bian)(bian)換的(de)方(fang)法分為交(jiao)(jiao)-交(jiao)(jiao)型(xing)變(bian)(bian)(bian)(bian)頻(pin)器和交(jiao)(jiao)-直(zhi)(zhi)(zhi)(zhi)交(jiao)(jiao)型(xing)變(bian)(bian)(bian)(bian)頻(pin)器。交(jiao)(jiao)-交(jiao)(jiao)型(xing)變(bian)(bian)(bian)(bian)頻(pin)器可將工頻(pin)交(jiao)(jiao)流(liu)(liu)電直(zhi)(zhi)(zhi)(zhi)接轉(zhuan)換成頻(pin)率(lv)(lv)、電壓均(jun)可以控制的(de)交(jiao)(jiao)流(liu)(liu)，故稱(cheng)(cheng)直(zhi)(zhi)(zhi)(zhi)接式(shi)變(bian)(bian)(bian)(bian)頻(pin)器。交(jiao)(jiao)直(zhi)(zhi)(zhi)(zhi)-交(jiao)(jiao)型(xing)變(bian)(bian)(bian)(bian)頻(pin)器則(ze)是(shi)先(xian)把(ba)工頻(pin)交(jiao)(jiao)流(liu)(liu)電通過整流(liu)(liu)裝置轉(zhuan)變(bian)(bian)(bian)(bian)成直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)電，然(ran)后再把(ba)直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)電變(bian)(bian)(bian)(bian)換成頻(pin)率(lv)(lv)、電壓均(jun)可以調節的(de)交(jiao)(jiao)流(liu)(liu)電，故又(you)稱(cheng)(cheng)為間接型(xing)變(bian)(bian)(bian)(bian)頻(pin)器。山(shan)東匯(hui)川MD500變(bian)(bian)(bian)(bian)頻(pin)器產品怎么樣