期刊
IEEE TRANSACTIONS ON POWER ELECTRONICS
卷 34, 期 10, 页码 9386-9391出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2019.2911059
关键词
Black start; energy storage system; hot swap; medium voltage dc (MVdc); power sharing control
To connect the low voltage energy storage source equipment and the medium voltage dc (MVdc) bus, the output-series dual-active-bridge (OS-DAB) dc-dc converter system with independent or common input terminals becomes a promising option. For the OS-DAB dc-dc converter system, this letter proposes a simple tunable power sharing control (TPSC) strategy to maintain the voltage of MVdc bus, manage power sharing ratio for each energy storage system. The proposed strategy allows energy storage equipment hot swap as well as converter system black start. Experimental results verify the analysis in this letter and the excellent performance of proposed TPSC strategy.
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