Robust DC-Link Voltage Control and Discrete-Time Sensorless Control for High-Speed Flywheel Energy Storage System

被引：0

作者：

Liang, Yang ^{[1
]}

Liang, Deliang ^{[1
]}

Jia, Shaofeng ^{[1
]}

Chu, Shuaijun ^{[1
]}

Liang, Yongtao ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Sch Elect Engn, State Key Lab Elect Insulat & Power Equipment, Shaanxi Key Lab Smart Grid, Xian 710049, Peoples R China

来源：

2020 INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES (ICEM), VOL 1 | 2020年

基金：

中国国家自然科学基金;

关键词：

Fast super-twisting sliding mode control (ST-SMC); linear extended state observer (LESO); full-order discrete-time Luenberger observer; low frequency modulation index;

D O I：

暂无

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：

This paper proposes a DC-link voltage controller based on fast super-twisting sliding mode control (ST-SMC) algorithm with linear extended state observer (LESO) and a full-order Luenberger observer based on direct discrete PMSM model for high speed flywheel energy storage system (FESS). The mathematical model of flywheel and the dynamic equation of DC-link during discharge are described. On this basis, a DC-link controller combining fast ST-SMC and LESO is proposed. The traditional PI, fast ST-SMC and the proposed algorithm for DC-link are compared in many aspects. For the high speed sensorless control of FESS, the direct discrete complex vector PMSM model is derived firstly. Then the Luenberger observer considering the digital delay in controller is obtained. In addition, the proposed full-order Luenberger observer is compared with the traditional Luenberger based on first-order Euler. Finally, the proposed control strategies in this paper are verified by simulation results.

引用

页码：2457 / 2463

页数：7

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