A mode-reduction space vector pulse width modulation control method to VIENNA rectifier yet eliminating input current distortions,International Journal of Circuit Theory and Applications

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A mode-reduction space vector pulse width modulation control method to VIENNA rectifier yet eliminating input current distortions
International Journal of Circuit Theory and Applications ( IF 1.8 ) Pub Date : 2022-08-19 , DOI: 10.1002/cta.3412
Zhizhong Li ₁ , Yuandong Zhang ₁ , Minghao Wang ₂ , Guidong Zhang _{3,

4} , Jiaqing Lin ₁

Affiliation

The VIENNA rectifier is of high reliability, high power density, and low complexity, which has been widely applied in telecommunication systems. However, it has 25 switching states complicating the control design. Besides, it is easy for the VIENNA rectifier to distort the input currents at zero-crossing points, which will degrade the grid power quality. To address these problems, a novel mode-reduction space vector pulse width modulation (SVPWM) control method is proposed in this paper. By analyzing the switching states of the VIENNA rectifier, 3-mode, 6-mode, and 18-mode control framework are compared, and it is found that the 18-mode has advanced features. Specifically, the proposed 18-mode control algorithm will have fewer calculation steps and a simpler processing flow. More importantly, it can eliminate the input current distortions for power quality improvement. A 4 kW hardware prototype of the VIENNA rectifier is developed, and experiments have been performed to verify the harmonic reduction feature of the proposed 18-mode control.

中文翻译：

一种消除输入电流畸变的VIENNA整流器降模空间矢量脉宽调制控制方法

VIENNA整流器具有高可靠性、高功率密度、低复杂度等特点，在电信系统中得到广泛应用。然而，它有 25 个开关状态，使控制设计复杂化。此外，VIENNA整流器容易在过零点处使输入电流发生畸变，从而降低电网电能质量。为了解决这些问题，本文提出了一种新的模式减少空间矢量脉冲宽度调制 (SVPWM) 控制方法。通过分析VIENNA整流器的开关状态，比较了3模、6模和18模控制架构，发现18模具有先进的特性。具体而言，所提出的 18 模式控制算法将具有更少的计算步骤和更简单的处理流程。更重要的是，消除输入电流畸变，改善电能质量。开发了一个 4 kW 的 VIENNA 整流器硬件原型，并进行了实验以验证所提出的 18 模式控制的谐波减少特性。

更新日期：2022-08-19

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