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Title: Control of an isolated single-phase bidirectional AC-DC matrix converter for V2G applications
Authors: Diogo André Varajão
Rui Esteves Araujo
Luís Miguel Miranda
João Peças Lopes
Issue Date: 2017
Abstract: This paper describes a new current control method that enhances the dynamic performance of a single-phase bidirectional AC-DC battery charger to provide a high-frequency link between the grid and electric vehicle. The single-stage structure and the bidirectional power flow make the matrix converter an attractive solution for electric vehicle (EV) battery charging applications in the context of smart grids. The operating principles and modulation method are analyzed and discussed in detail. Furthermore, a current controller improved with a Smith predictor is proposed to decrease the phase delay in the measurement of the average current in the battery pack. The SP reduces the rise time to around a third and the settling time to half when compared with a PI controller. Simulations and experimental results from a laboratory prototype are shown to verify the feasibility of the proposed control scheme. © 2017 Elsevier B.V.
metadata.dc.type: article
Appears in Collections:CPES - Articles in International Journals

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