Steady-State Harmonic Domain Matrix-Based Modeling of Four-Quadrant EMU Line Converter

Hui Wang; Mingli Wu; Vassilios G. Agelidis; Kejian Song

Steady-State Harmonic Domain Matrix-Based Modeling of Four-Quadrant EMU Line Converter

Hui Wang

Mingli Wu

Vassilios G. Agelidis

Kejian Song

Vol. 14, No. 3, pp. 572-579, May 2014

10.6113/JPE.2014.14.3.572

Four quadrant line converter

Harmonic domain matrix

Harmonic impedance matrix

Harmonic transfer function

Linear time periodic system

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Abstract

As a non-linear time variant system, the four-quadrant line converter of an electric multiple unit (EMU) was expressed by linear time periodic functions near an operating point and modeled by a steady-state harmonic domain matrix. The components were then combined according to the circuit connection and relations of the feedback control loops to form a complete converter model. The proposed modeling method allows the study of the amplitude of harmonic impedances to explore harmonic coupling. Moreover, the proposed method helps provide a better design for the converter controllers, as well as solves the problem in coordination operation between the EMUs and the AC supply. On-site data from an actual CRH2 high-speed train were used to validate the modeling principles presented in the paper.

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Cite this article

[IEEE Style]

H. Wang, M. Wu, V. G. Agelidis, K. Song, "Steady-State Harmonic Domain Matrix-Based Modeling of Four-Quadrant EMU Line Converter," Journal of Power Electronics, vol. 14, no. 3, pp. 572-579, 2014. DOI: 10.6113/JPE.2014.14.3.572.

[ACM Style]

Hui Wang, Mingli Wu, Vassilios G. Agelidis, and Kejian Song. 2014. Steady-State Harmonic Domain Matrix-Based Modeling of Four-Quadrant EMU Line Converter. Journal of Power Electronics, 14, 3, (2014), 572-579. DOI: 10.6113/JPE.2014.14.3.572.