Hierarchical Control Strategy of Hybrid Energy Storage System in Bipolar-type DC Micro-grid

被引：0
|
作者：
Zhang, Songjie [1 ]
Qin, Wenping [1 ]
Wang, Peng [1 ]
Han, Xiaoqing [1 ]
Wang, Jinhao [2 ]
Lei, Da [2 ]
机构：
[1] Taiyuan Univ Technol, Coll Elect & Power Engn, Taiyuan, Shanxi, Peoples R China
[2] State Grid Corp China, State Grid Shanxi Elect Power Res Inst, Taiyuan, Shanxi, Peoples R China
来源：
2017 IEEE 3RD INTERNATIONAL FUTURE ENERGY ELECTRONICS CONFERENCE AND ECCE ASIA (IFEEC 2017-ECCE ASIA) | 2017年
关键词：
Hierarchical control strategy; bipolar-type DC micro-grid; hybrid energy storage system; droop control; BATTERY;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In order to stabilize the power fluctuation caused by distributed energy in the bipolar-type DC micro-grid, a new hybrid energy storage system (HESS) coordination control strategy is proposed in this paper. First, in order to take advantage of lithium battery and super capacitor complementary performances, a cascade structure of the lithium battery and the super capacitor is adopted. Meanwhile, voltage balancer is cooperated with the hybrid energy storage to achieve multi energy complementary between double DC buses. Second, a hierarchical droop control method is designed. And the hybrid energy storage system operation is divided into three modes according to the super capacitor voltage. Finally, the simulation results verify that different voltage levels in bipolar-type DC micro-grid can be maintained stable. The proposed control strategy is flexible and effective.
引用
收藏
页码：2223 / 2227
页数：5
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