A novel torque hysteresis comparator for torque and current ripple reduction of direct torque control of induction machine

被引：2

作者：

Keyhani, HR ^{[1
]}

Zolghadri, MR ^{[1
]}

Haghbin, S ^{[1
]}

机构：

[1] Sharif Univ Technol, Sch Elect Engn, Tehran 113659363, Iran

来源：

2004 IEEE 9TH INTERNATIONAL POWER ELECTRONICS CONGRESS, TECHNICAL PROCEEDINGS | 2004年

关键词：

D O I：

10.1109/CIEP.2004.1437566

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 notable effects of time delay and time discretization on the torque and current ripple amplitude of the direct, torque controlled induction motor scheme are investigated. A simply modified torque hysteresis comparator structure is proposed. It minimizes the undesirable effects of the time delay and time discretizition on the torque ripple and allows a sensible reduction of torque and current ripple amplitudes and switching frequency in the whole rotor speed range. Numerical simulations and experimental tests have been carried out to validate the proposed torque comparator effect.

引用

页码：140 / 145

页数：6

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