A direct torque controller for permanent magnet synchronous motor drives

被引:140
|
作者
Zhong, L [1 ]
Rahman, MF
Hu, WY
Lim, KW
Rahman, MA
机构
[1] Univ New S Wales, Sch Elect Engn, Sydney, NSW 2052, Australia
[2] Mem Univ Newfoundland, Fac Engn & Appl Sci, St Johns, NF A1B 3X5, Canada
关键词
Direct Torque Control; permanent magnet motors; stator flux linkage; position sensor; inverter;
D O I
10.1109/60.790928
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
This paper describes an investigation of DTC for permanent magnet synchronous motor (PMSM) drives. The analysis of PMSMs shows that the increase of electromagnetic torque is proportional to the increase of the angle between the stator and rotor flux linkages and therefore fast torque response can be obtained by increasing the rotating speed of the stator flux linkage as fast as possible. The implementation of DTC in PMSM drives is discussed and the switching table specific for an interior PMSMs is derived. The proposed control is implemented on a prototype PMSM, which has a standard induction motor stator, and the experimental results show that the torque response is extremely fast. It is also demonstrated that the position sensor is not essential for the inner torque control loop of PMSM drives with DTC.
引用
收藏
页码:637 / 642
页数:6
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