Abstract

This article presents some practical designs for combining control functions of AC traction motor and high voltage on-board vehicle battery pack charge using single hardware components and common power circuit. Basic charger and traction inverter integration circuit designs as well as conditions necessary for keeping their power equivalent are described in the article. Based on these circuit designs, the new traction inverter with integrated charger design is suggested. This design has the advantage of high-power density, optimal weight and size ratio and relatively simple control system realisation. The suggested design is recreated in a voltage converter experimental sample. The study results of the created design basic functional characteristics are provided in the article. Traction inverter with integrated charger practical realisation results can be used in the advanced vehicle (electric vehicles, hybrid electric vehicles) development and construction as well as in autonomous power supply systems.

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