A Novel Method for Harmonic Current Injection with Sensor Supported Adaptation on Permanent Magnet Synchronous Machines

被引：6

作者：

Vollat, Matthias ^{[1
]}

Krahe, Dominik ^{[1
]}

Gauterin, Frank ^{[1
]}

机构：

[1] Karlsruhe Inst Technol, Inst Vehicle Syst Technol, D-76131 Karlsruhe, Germany

来源：

MACHINES | 2021年 / 9卷 / 08期

关键词：

harmonic current injection; torque oscillations; permanent magnet synchronous machine; TORQUE RIPPLE SUPPRESSION; COGGING TORQUE; MOTOR; MINIMIZATION; REDUCTION; STRATEGY;

D O I：

10.3390/machines9080139

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：

To reduce torque oscillations in electric motors, harmonic current injection (HCI) has been used in industry for some time. For this purpose, higher harmonic currents calculated in advance are injected into the machine. Since the general conditions for the machine can change during its life cycle, this article presents a method that makes it possible to change the parameters of HCI during operation. For this purpose, sensor signals are used to detect the reaction of the electric motor to small variations of the HCI parameters. The knowledge gained in this way is used to make further suitable variations. FEM simulations were used to verify the effectiveness of the approach. The results show that the algorithm can independently optimize the HCI parameters during runtime and reduces the amplitude of the 6th harmonic in the torque by 87% for a permanent magnet synchronous machine.

引用

页数：12

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