Modeling, control, and design ofinput-series-output-parallel-connected converter for high-speed-trainpower system
Jung-Won Kim; Jung-Sik Yon; Cho, B.H.
Industrial Electronics, IEEE Transactions on
Volume 48, Issue 3, Jun 2001 Page(s):536 - 544
Digital Object Identifier   10.1109/41.925580
Summary: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

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