ANALYSIS OF THE NATURALLY COMMUTATED, CONVERTER-FED INDUCTION-MOTOR DRIVE SYSTEM USING A FLUX VECTOR METHOD

被引:5
|
作者
CHIKWANDA, HS [1 ]
BOLTON, HR [1 ]
机构
[1] UNIV WALES COLL CARDIFF,COLL CARDIFF,DEPT ELECT ELECTR & SYST ENGN,CARDIFF CF2 1XH,WALES
来源
关键词
INDUCTION MOTORS; FLUX VECTOR METHOD; TIME-STEPPING SIMULATION; DRIVE SYSTEMS;
D O I
10.1049/ip-b.1993.0052
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The paper presents a prediction method for the naturally commutated induction machine drive. Analytical models of the major components of the drive scheme suitable for time-stepping simulation are developed. The adoption of a reference frame for the motor that rotates with the net flux vector enables a full account to be made for the magnetic nonlinearity in the motor's main flux path. Field-oriented d, q (FODQ) equivalent circuits for the induction machine are deduced. Both the capacitor bank and inverter models are expressed in this FODQ frame to produce compatible two-axis equivalent circuits, switching functions being evolved to represent the inverter tristate switch variables. Models for the DC link inductor and the rectifier, the latter also using switching function concepts, complete the drive system model. The system model is validated through comparison between calculated and test results obtained from an experimental rig.
引用
收藏
页码:401 / 415
页数:15
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