Multi-Level Space Vector Modulation Strategy in a Non-Orthogonal Three-Dimensional Coordinate System

被引：0
|
作者：
Zhang C. [1 ]
Hou J. [1 ]
Tang Y. [1 ]
Yu B. [1 ]
Liu H. [1 ]
机构：
[1] School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou
来源：
Zhang, Chuanjin (chuanjin2359@163.com) | 1600年 / China Machine Press卷 / 32期
关键词：
Multi-level; Non-orthogonal three-dimensional coordinate system; Space vector modulation; Three-phase four-wire system;
D O I：
10.19595/j.cnki.1000-6753.tces.160573
中图分类号：
学科分类号：
摘要：
Pulse width modulations is a key technology in three-phase four-wire multi-level converter controlling. It directly affects the controlling performance of output zero-sequence voltage component. Traditional three-dimensional space vector modulation strategies have difficulties in achieving a good balance between voltage zero-sequence component controlling and algorithm complexity. A novel space vector modulation strategy in non-orthogonal three-dimensional coordinate system is proposed in this paper. Under this new non-orthogonal three-dimensional coordinate system, the proposed modulation has converted the original trigonometric functions in orthogonal three-dimensional space coordinate into simple algebraic operations, which greatly reduces algorithm complexity of the three-dimensional space vector modulation while preserving the independent control on the zero-sequence component. The experimental results verify the correctness and effectiveness of the proposed three-dimensional space vector modulation. © 2017, The editorial office of Transaction of China Electrotechnical Society. All right reserved.
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页码：160 / 173
页数：13
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