Energy management and control optimization of marine current power system based on hybrid energy storage system

2021 ◽  
Vol 13 (6) ◽  
pp. 064502
Author(s):  
Jin Gang Han ◽  
Xu Li ◽  
Tian Hao Tang
2019 ◽  
Vol 10 (2) ◽  
pp. 1626-1636 ◽  
Author(s):  
Ujjal Manandhar ◽  
Abhisek Ukil ◽  
Hoay Beng Gooi ◽  
Narsa Reddy Tummuru ◽  
Sathish Kumar Kollimalla ◽  
...  

2013 ◽  
Vol 860-863 ◽  
pp. 608-612
Author(s):  
Hai Bo Wang ◽  
Xiu Yang ◽  
Jun Liu ◽  
Jie Chen

Hybrid energy storage system (HESS) including battery and super-capacitor can take advantages of both high energy density and high power density. In the stand-alone PV micro-grid, in which two buck/boost bidirectional converters are connected to the DC bus directly, a novel energy management scheme is proposed. After filtering the fluctuating power of the HESS, charge and discharge currents of the battery are controlled by hysteresis control method, the super-capacitor supplies the difference of the power. To leveling off the fluctuating power output of photovoltaic system and control the voltage of the DC bus, a new control strategy applied to the bidirectional converter of the super capacitor is put forward. The feed-forward loops of input voltage, load current and output voltage are introduced to improve the response speed and stability of the system. Results of the simulation show the effectiveness of the proposed energy management and control strategy.


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