Stability Analysis of Direct Current Control in Current Source Rectifier

被引：0
|
作者：
Lu, Dapeng [1 ]
Wang, Xiongfei [1 ]
Blaabjerg, Frede [1 ]
机构：
[1] Aalborg Univ, Dept Energy Technol, Aalborg, Denmark
来源：
2017 IEEE 3RD INTERNATIONAL FUTURE ENERGY ELECTRONICS CONFERENCE AND ECCE ASIA (IFEEC 2017-ECCE ASIA) | 2017年
基金：
欧洲研究理事会;
关键词：
stability; time delay; current source recitifier; current control; CONVERTERS;
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：
Current source rectifier with high switching frequency has a great potential for improving the power efficiency and power density in ac-dc power conversion. This paper analyzes the stability of direct current control based on the time delay effect. Small signal model including dynamic behaviors of dc link is developed to identify the control plants of grid ac current control and dc current control. Analysis on the poles and zeros under dq frame is carried out. Base on this model, it turns out that the phase lag caused by the time delay can stabilized the grid ac current control while reduces the stable region for dc current control. Simulation and experimental results are presented to validate the theoretical analysis.
引用
收藏
页码：247 / 253
页数：7
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