基于自抗扰和负载功率前馈的高速磁悬浮系统PWM整流器控制策略

doi:10.19595/j.cnki.1000-6753.tces.191572

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Abstract

The high-speed maglev train is driven by long stator linear synchronous motor,which is powered by segmented power supply. When the maglev train moves from one stator section to another, the stator current will decrease to zero and then increase. For the three-phase PWM rectifier in high-speed maglev system, the load changes sharply during the process of changeover, which has a serious impact on the DC voltage. In order to suppress the influence of load disturbance on the DC voltage, a double closed-loop control strategy based on active disturbance rejection control (ADRC) and load power feed-forward estimation algorithm is proposed in this paper. The hardware-in-the-loop (HIL) experiment verifies that this strategy has strong robustness to load variation, and it can suppress the DC voltage fluctuation, improve the anti-load disturbance ability and system dynamic performance of three-phase PWM rectifier.

Key words： High-speed maglev PWM rectifier changeover load power feed-forward active disturbance rejection control

Received: 20 November 2019

PACS:

TM359.4

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	Zhu Jinquan
	Ge Qiongxuan
	Wang Xiaoxin
	Sun Pengkun
	Zhang Bo

Cite this article:

Zhu Jinquan,Ge Qiongxuan,Wang Xiaoxin等. Control Strategy for PWM Rectifier of High-Speed Maglev Based on Active Disturbance Rejection Control and Load Power Feed-Forward[J]. Transactions of China Electrotechnical Society, 2021, 36(2): 320-329.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.191572 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/I2/320

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