Hybrid Space Vector Modulation Scheme for the Multiport Hybrid Converter

Journal article (2023)

Authors

M. Stecca DC systems, Energy conversion & Storage -

Ahmed Abdelhakim Abb Research Sweden

Thiago B. Soeiro DC systems, Energy conversion & Storage - , University of Twente

Francisco Canales ABB Switzerland Ltd.

P. Bauer DC systems, Energy conversion & Storage -

P. Palensky Intelligent Electrical Power Grids -

Research Group

DC systems, Energy conversion & Storage () (TU Delft)

DOI: https://doi.org/10.1109/TPEL.2022.3201264

Hybrid space vector modulation (HSVM) Multiport hybrid converter (MHC) Voltage source converter (VSC)

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Published Date

2023

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Electrical Sustainable Energy

Research Group

DC systems, Energy conversion & Storage

Abstract

This work proposes a hybrid space vector modulation (HSVM) scheme for multiport hybrid converters (MHCs). Moreover, the impact of shifting the auxiliary currents from the main ones is proposed and investigated in order to enhance the converter efficiency. The proposed operational schemes have been implemented in a three-phase 5 kW MHC prototype. It is shown that the proposed HSVM scheme can improve the MHC efficiency by 0.3% at full load with respect to space vector modulation. At partial loads, the improvement is even more significant, reaching +0.7% at 30% of the rated power. A further 0.15% increase in efficiency at full power can be achieved by a 180$^{\circ }$ phase shifting of the auxiliary currents with respect to the main terminal currents, reaching a peak efficiency of 98.5%.

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