Analysis about Steady-State Operating Region and Regulation Capacity of Voltage Balance Strategy for Cascaded H-Bridge Rectifier

被引：0
|
作者：
Wang X. [1 ]
Wang C. [1 ]
Gu C. [1 ]
机构：
[1] School of Electrical Engineering, Beijing Jiaotong University, Beijing
来源：
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2019年 / 34卷 / 14期
关键词：
Cascaded H-bridge rectifier; DC voltage balancing control strategies; Power deviation coefficient; Steady-state operating region;
D O I：
10.19595/j.cnki.1000-6753.tces.L80559
中图分类号：
学科分类号：
摘要：
It is important for cascaded H-bridge rectifier (CHBR) to analyze the steady-state operating region (SOR) and regulation capacity of voltage balance strategy. However, there is no widely applicable method to evaluate the regulation capacity of voltage balance strategy. This paper presents a general analytical method for SOR of CHBR based on phasor diagram. Meanwhile, an index of power imbalance is defined, and modulation index regulation of four-cells CHBR is used as an example. The mathematical expressions for CHBR are determined. Finally, the validity and effectiveness of the proposed analysis method are verified by the simulation and experiments on a four-cells CHBR. © 2019, Electrical Technology Press Co. Ltd. All right reserved.
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页码：2970 / 2979
页数：9
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