Analysis for Mechanical Characters of Chopped Wave Cascade Speed Control System
zhang jun-wei1; 2; wang bing-shu1; wan jun1; zhang xiao-dong1(1.college of control science and engineering; north china electric power university; baoding 071003; china; 2.north china baoding electric power vocation & technology college; baoding 071056; china)
Design and Test of High-Speed Permanent Magnet Brushless DC Motor
zhou feng-zheng1; liu bao-cheng1; tang qing-hua1; wang kai2; shen jian-xin2 (1.technical center of tianjin electric power corporation; tianjin 300384; china; 2.college of electrical engineering; zhejiang university; hangzhou 310027; china)