Analysis and Improvement of Steady-State and Dynamic Performance of SVPWM Based Three-Phase VIENNA Rectifier

被引：0

作者：

Shen, Jiaqian ^{[1
]}

Chen, Jie ^{[1
]}

Gong, Chunying ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Dept Elect Engn, Nanjing, Peoples R China

来源：

2019 22ND INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS 2019) | 2019年

关键词：

VIENNA rectifier; zero-crossing distortion; steady-state; load feedforward; dynamic characteristics;

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：

In this paper, the principle of three-phase VIENNA rectifier is firstly analyzed. The two-level space vector based modulation strategy is adopted to simplify the time-consuming trigonometric functions in a DSP and improve the control performance. Then, the expression of boost inductor is calculated accurately to alleviate the zero-crossing distortion, and the neutral point potential balance control strategy is used to ensure the dynamic capacitance voltage balance of the upper and lower buses, which are both helpful to improve the quality of waveforms under steady-state. Subsequently, the output dynamic characteristics of three-phase VIENNA rectifier are optimized by using the load feedforward control strategy. Moreover, burst control is used to ensure the stability of bus voltage and reduce the switching losses under no-load. Finally, an experimental prototype is built to verify the correctness of the theoretical analysis and control methods.

引用

页码：3744 / 3749

页数：6

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