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Modeling, control, and design of input-series-output-parallel-connected converter for high-speed-train power system

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3 Author(s)
Jung-Won Kim ; Fairchild Korea Semicond. Ltd., Puchon, South Korea ; Jung-Sik Yon ; Cho, B.H.

In this paper, a charge control with an input voltage feedforward is proposed for an input-series-output-parallel-connected converter configuration for the high-speed-train power system application. This control scheme accomplishes the output current sharing. For the output-parallel-connected modules as well as the input voltage sharing for the input-series-connected modules for all operating conditions including the transients. It also offers the robustness for the input voltage sharing control according to the component value mismatches among the modules. This configuration enables the usage of a MOSFET for a high-voltage system allowing a higher switching frequency for a lighter system weight and smaller size. The performance of the proposed scheme is verified through the experimental results

Published in:

Industrial Electronics, IEEE Transactions on  (Volume:48 ,  Issue: 3 )