永磁同步电动机弱磁运行控制研究_陈书锦.pdfVIP

24 6 () V o l 24 N o 6 20 10 12 Journa l of J iangsu U niversity of Science and T echno logy( N atura l Sc ience Edition) D ec 2010 陈书锦, 杨 帅, 杜 煦 ( , 2 12003) : , , , , [ 0 25, 0 7 5] , , , , : ; ; : TG921 1 : A : 167 3- 4 807 ( 20 10) 06- 057 6- 05 W eak flux control for permanentmagnet synchronousmotor Chen Shuj in, Y ang Shua,i Du X u ( P rov incial K ey L ab of A dv anced W eld ing T echno logy, J iang su U n iv ers ity of S cien ce and T echnology, Zhen j iang Jiangsu 2 12003, Ch ina) Abstract: In order to mi prove the perform ance o f w eak m agnetic of PM SM, acco rd ing to the ch aracteristics of dr ive system and detailed analysis o f PMSM w eak flux process, the influ ence o f d ifferent param eters on the m otor torqu e, extend sp eed cap ac ity w as analyzed The basic princ ip les of PM SM-DTC w eak flux control w ere pro- posed, and the best range o f w eak flux ratio w as [ 0 25, 0 75] Based on SVM, the reference sp eed and torqu e w ere adjusted autom atically F urtherm ore, PMSM-DTC w eak flux controlling w as realized Exp ermi enta l resu lts show th at con tro l a lgorithm s and con tro l m ethods proposed in th is pap er are correct and effective Key words: perm anent m agnet synchronou sm o tor; w eak m agnetic control; w eak m agnet ic rat io ( Perm anent M agnet Synchronous , [ 5] M otor, PM SM ) , , ; [ 1- 2] , ; , , , [ 3]