| 引用本文: | 高尚,祁新春,谢涛,等.共直流母线光伏-混合储能发电系统及其双重滤波优化控制[J].电力系统保护与控制,2014,42(20):92-97.[点击复制] |
| GAO Shang,QI Xin-chun,XIE Tao,et al.Common DC bus based PV-hybrid energy storage power system and optimal control using double filters[J].Power System Protection and Control,2014,42(20):92-97[点击复制] |
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| 摘要: |
| 为降低大容量分布式并网光伏的影响，对共直流母线的光伏-混合储能发电系统及其优化控制方案进行了研究。首先，分析了共直流母线并网光伏电站结构。然后，综合考虑公共连接点处电能质量和储能元件特性，设计了基于双重滤波的协调控制策略。第一重滤波根据蓄电池荷电状态自适应调节滤波器参数，调节混合储能输出功率，平抑并网光伏输出功率波动。第二重滤波根据超级电容荷电状态自适应调节滤波参数，对两种储能介质进行功率分配，优先采用超级电容补偿功率偏差，减少蓄电池充放电次数，提升混合储能技术经济性。最后，搭建了基于ABB SymphonyTM Plus和Opal-RTLAB的硬件在环实验平台。实验证实了上述方法的有效性。 |
| 关键词: 优化控制 双重滤波 光伏电站 混合储能系统 荷电状态 |
| DOI：10.7667/j.issn.1674-3415.2014.20.016 |
| 投稿时间：2014-01-08修订日期：2014-05-08 |
| 基金项目: |
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| Common DC bus based PV-hybrid energy storage power system and optimal control using double filters |
| GAO Shang,QI Xin-chun,XIE Tao,XU Zhen |
| (State Grid Beijing Shunyi Electric Power Supply Company, Beijing 101300, China;Beijing University of Civil Engineering and Architecture, Beijing 100044, China;Beijing Technology and Business University, Beijing 100048, China) |
| Abstract: |
| This paper proposes an optimal control method based on double filters for PV-HES (Hybrid Energy Storage) power system with common DC bus. Firstly, the diagram of common DC bus based PV-HES power system is analyzed. And then, an optimal control method based on double filters is designed considering the power quality of PCC and characteristics of energy storage. The first filter can be adjusted adaptively according to the state of charge (SOC) of battery to level off the fluctuating power outputs of intermittent sources; the second filter, which is used to manage the distribution of load power between battery and supercapacitor, can be adjusted adaptively according to the SOC of supercapacitor. Finally, the real-time platform based on ABB SymphonyTM Plus and Opal-RTLAB is built and the experimental results show the effectiveness of proposed optimal control method. |
| Key words: optimal control double filters PV hybrid energy storage state of charge |
