Optimal Control of Induction Motor in Field Weakening Region Considering Inverter Nonlinearity

被引：0

作者：

Tarvirdilu-Asl, Rasul ^{[1
]}

Nalakath, Shamsuddeen ^{[1
]}

Sun, Yingguang ^{[2
]}

Wiseman, Jason ^{[2
]}

Emadi, Ali ^{[1
]}

机构：

[1] McMaster Automot Resource Ctr MARC, Hamilton, ON, Canada

[2] BorgWarner Waterloo Inc, Kitchener, ON, Canada

来源：

2019 IEEE TRANSPORTATION ELECTRIFICATION CONFERENCE AND EXPO (ITEC) | 2019年

基金：

加拿大自然科学与工程研究理事会;

关键词：

field weakening; induction motor; inverter nonlinearity; MTPA; MTPV; optimal control; COMPENSATION; OPERATION; STRATEGY; MACHINE;

D O I：

10.1109/itec.2019.8790498

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：

Optimal control of induction motors in the field weakening region considering measured inverter voltage drop with low current nonlinearities is presented in this paper. The low current nonlinearity on the threshold voltage is usually neglected in generating optimal control references of electric machines. In this paper, nonlinear voltage drops of the inverter at both low and high current regions are measured and formed a look-up table. This lookup table in abc frame is transformed to dq frame and incorporated in optimal control algorithm of the induction motor to illustrate the effects on the voltage curves, torque-speed characteristic and operating point trajectory, especially in the field weakening region. The effectiveness of considering inverter nonlinear voltage drop on operating point trajectory of induction machine is verified with both simulations and experimental results.

引用

页数：8

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