Research on the Cascaded Energy Storage System Based on Common DC Bus

doi:10.11930/j.issn.10.11930.2015.6.32

Abstract

Abstract: Along with the fast growth of distributed energy storage in urban grid, the voltage level climbs. The maturity of the multilevel topology has provided an effective solution to the power quality problem of large-scaled power conversion systems, while their development is restrained by the design, volume and noise of their power frequency transformers. This paper provides a multilevel power storage system based on a common dc bus, which combines the cascaded multilevel topology and the high frequency transformer techniques. The effectiveness of this structure is verified through the simulation and experimental tests. This kind of energy storage system is expected to be one of the optional ways to integrate large-scaled power storage into the urban grid in the future.

Key words: cascaded multilevel converter, energy storage, high frequency transformer, DC bus

CLC Number:

TM715

JIN Yiding. Research on the Cascaded Energy Storage System Based on Common DC Bus[J]. Electric Power, 2015, 48(6): 32-38.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.10.11930.2015.6.32

https://www.electricpower.com.cn/EN/Y2015/V48/I6/32

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