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| Power Allocation of Energy Storage System for Marine Hybrid Lithium Ion Battery |
| Received:August 05, 2018 Revised:December 25, 2018 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7643/ issn.1672-9242.2018.12.003 |
| KeyWord:lithium iron battery topological structure bi-directional DC/DC, fuzzy control |
| Author | Institution |
| LEI Ke-bing |
1.State Key Laboratory of Ocean Engineering of Shanghai Jiao Tong University, Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai , China |
| TANG Xu-jing |
2. Wuhan University of Technology, Wuhan , China |
| ZHOU Shi-yao |
1.State Key Laboratory of Ocean Engineering of Shanghai Jiao Tong University, Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai , China |
| CHEN Zi-qiang |
1.State Key Laboratory of Ocean Engineering of Shanghai Jiao Tong University, Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai , China |
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| Abstract: |
| Objective To improve seaworthiness and power performance of ship in extreme sea condition. Methods According to different working characteristics of energy-type and power-type lithium-ion batteries, the topology structure of semi-active marine hybrid lithium-ion battery energy storage system was designed. The power distribution strategy based on fuzzy control theory was proposed. And the maximum charge and discharge current according to the state of charge (SOC) of the lithium ion battery were limited. Results The proposed control strategy could fully utilize the power characteristics of lithium cobalt oxide battery and the energy characteristics of lithium iron phosphate battery. The DC bus voltage ripple was less than 2%. Conclusion Under extreme sea conditions, the ship's hybrid lithium-ion battery energy storage system can reduce the number of discharge cycles and discharge depth of lithium iron phosphate battery, prolong the service life of lithium iron phosphate battery pack, stabilize pulse load disturbance and improve the stability of ship power grid. |
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