Instability Analysis and Mitigation of Oscillation in Wound Rotor Brushless Doubly-Fed Machine

被引：0

作者：

Gao, Xinmai ^{[1
]}

Wang, Xuefan ^{[1
]}

Ou, Lezhi ^{[1
]}

Wei, Zhongcao ^{[1
]}

机构：

[1] HUST, State Key Lab Adv Electromagnet Engn & Technol AE, SEEE, Wuhan 430074, CO, Peoples R China

来源：

2018 21ST INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS) | 2018年

关键词：

Instability anslysis; Mitigation oscillation; BDFM; Dynamic compensation; pole distribution; DESIGN; PERFORMANCE; MODEL; CAGE;

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 study analyzes the cause of low-frequency oscillations in a brushless doubly-fed machine (BDFM) under the V/F scalar control strategy, where the control winding is fed by a voltage-source inverter in the frequency range of 5-20 Hz. The dynamic reactive power harmonic current compensation method is used for mitigating these oscillations. The pole distribution of a 30-kW BDFM is calculated using MATLAB. The inherent mechanism responsible for the instability of the BDFM is clarified, and the factors causing the excited instability are analyzed. Finally, the effectiveness of the dynamic reactive power harmonic current compensation method is verified through a motor power generation experiment and a driver system.

引用

页码：1486 / 1491

页数：6

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