Hierarchical Power Allocation Control for Star-Connected Hybrid Energy Storage System Using Cascaded Multilevel Converters
Hybrid energy storage system (HESS) using cascaded multilevel converters (CMC) has received increasing attention due to its merits on smoothing power fluctuations for renewable energy systems (RESs).However, CMC-based HESS Accent Cabinet still faces tough challenges due to asymmetrical ac power distribution.In this paper, hierarchical power allocat