永磁直驱风力发电机自抗扰技术及其无位置传感器控制策略

祝可可; 阮琳

doi:10.19912/j.0254-0096.tynxb.2021-0298

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太阳能学报 ›› 2022, Vol. 43 ›› Issue (10) : 266-274. DOI: 10.19912/j.0254-0096.tynxb.2021-0298

永磁直驱风力发电机自抗扰技术及其无位置传感器控制策略

祝可可^1,2, 阮琳^1,2

作者信息 +

ACTIVE DISTURBANCE REJECTION TECHNOLOGY FOR PERMANENT MAGNET DIRECT DRIVE WIND GENERATOR AND ITS POSITION SENSORLESS CONTROL STRATEGY

Zhu Keke^1,2, Ruan Lin^1,2

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文章历史 +

摘要

针对永磁直驱风力发电机传统矢量控制动态性能差,抗扰动能力弱的问题,提出一种双环线性自抗扰控制系统。在此基础上针对传统滑模观测器抖振等因素造成的速度和位置角观测误差较大的问题,提出改进型自适应滑模观测器。结果表明所设计的速度和电流双环线性自抗扰控制策略能有效提高转速跟踪性能和电流波形质量;在滑模观测器的基础上结合自适应算法精确观测反电动势,借鉴锁相环原理代替反正切函数估算出转子转速和位置角,相比传统滑模观测器具有更高的估算精度。

Abstract

Aiming at the problem of poor dynamic performance and weak anti disturbance ability of traditional vector control of permanent magnet direct drive wind generator, a linear active disturbance rejection double loop control system is proposed. On this basis, an improved adaptive sliding mode observer is proposed to solve the problem of large observation error of speed and position angle caused by chattering of traditional sliding mode observer. The results show that the speed and current double loop linear ADRC strategy can improve the speed tracking performance and current waveform quality. Based on sliding mode observer and adaptive algorithm, the back EMF is accurately observed, and the rotor speed and position angle are estimated by using the principle of phase locked loop instead of arctangent function, which has higher estimation accuracy than the traditional sliding mode observer.

导出引用

祝可可, 阮琳. 永磁直驱风力发电机自抗扰技术及其无位置传感器控制策略[J]. 太阳能学报. 2022, 43(10): 266-274 https://doi.org/10.19912/j.0254-0096.tynxb.2021-0298

Zhu Keke, Ruan Lin. ACTIVE DISTURBANCE REJECTION TECHNOLOGY FOR PERMANENT MAGNET DIRECT DRIVE WIND GENERATOR AND ITS POSITION SENSORLESS CONTROL STRATEGY[J]. Acta Energiae Solaris Sinica. 2022, 43(10): 266-274 https://doi.org/10.19912/j.0254-0096.tynxb.2021-0298

中图分类号： O325/TK79

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