Improved Control Strategy Based on Space Vectors for Suppressing Grid-Side Current Harmonics in Three-Phase Current Source Rectifiers with a Hybrid Switch

Yan Xu; Guang-xiang Lu; Li-jie Jiang; Gui-Ping Yi

Improved Control Strategy Based on Space Vectors for Suppressing Grid-Side Current Harmonics in Three-Phase Current Source Rectifiers with a Hybrid Switch

Vol. 15, No. 2, pp. 497-503, Mar. 2015

10.6113/JPE.2015.15.2.497

Grid-side current harmonics

Hybrid switch

Space vector modulation

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Abstract

This paper analyses the harmonic pollution to power grids caused by several high-power rectifiers, summarizes therequirements for rectifiers in suppressing grid-side current harmonics and optimizes a new-type of current source PWM rectifierwith a hybrid switch. The rectifier with a hybrid switch boasts significant current characteristics and cost advantages in thehigh-power area. To further enhance the working frequency of the current source rectifier with a hybrid switch for suppressinggrid-side harmonics and reducing the inductance size, this paper proposes an optimal control strategy based on space vector. Italso verifies that the optimal control strategy based on space vector can reduce the total harmonic distortion of the grid-sidecurrent of the rectifier with a hybrid switch via circuit simulation and experimental results.

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Cite this article

[IEEE Style]

Y. Xu, G. Lu, L. Jiang, G. Yi, "Improved Control Strategy Based on Space Vectors for Suppressing Grid-Side Current Harmonics in Three-Phase Current Source Rectifiers with a Hybrid Switch," Journal of Power Electronics, vol. 15, no. 2, pp. 497-503, 2015. DOI: 10.6113/JPE.2015.15.2.497.

[ACM Style]

Yan Xu, Guang-xiang Lu, Li-jie Jiang, and Gui-Ping Yi. 2015. Improved Control Strategy Based on Space Vectors for Suppressing Grid-Side Current Harmonics in Three-Phase Current Source Rectifiers with a Hybrid Switch. Journal of Power Electronics, 15, 2, (2015), 497-503. DOI: 10.6113/JPE.2015.15.2.497.