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| 微电网混合储能系统控制策略研究 | |
| 引用本文： | 于会群,钟永 张浩 彭道刚. 微电网混合储能系统控制策略研究[J]. 电子测量与仪器学报, 2015, 29(5): 730-738 |
| 作者姓名： | 于会群 钟永 张浩 彭道刚 |
| 作者单位： | 1. 同济大学 电子与信息工程学院 上海 200090; 上海电力学院 自动化工程学院 电站自动化技术上海市重点实验室 上海 200090 2. 海南电力设计研究院 海南省海口市 海南 571100 3. 上海电力学院 自动化工程学院 电站自动化技术上海市重点实验室 上海 200090 |
| 基金项目： | 国家自然科学重点，上海市教育委员会科研创新(12YZ142)项目 |
| 摘 要： | 微电网中的微电源和负载具有波动性和随机性,故储能系统是维持微电网安全可靠运行并改善电能质量的关键,蓄电池与超级电容器混合使用可以发挥蓄电池电池能量密度大和超级电容器功率密度大,充放电速度快的优势,提高微电网储能系统性能。提出了一种基于互补PWM小信号模型,并分别给蓄电池和超级电容器设计了控制方案,蓄电池采用单电流环很好的平抑了功率的低频波动,超级电容器采用带前馈的双环控制,平抑功率的高频波动,并有效的维持了直流母线电压的稳定。仿真结果证明了所提出的控制策略的正确性。 |
| 关 键 词： | 蓄电池 超级电容器 混合储能 双环控制 |
Research on control strategy of hybrid energy storage system in micro grid |
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| Yu Huiqun,Zhong Yong Zhang Hao Peng Daogang. Research on control strategy of hybrid energy storage system in micro grid[J]. Journal of Electronic Measurement and Instrument, 2015, 29(5): 730-738 | |
| Authors: | Yu Huiqun Zhong Yong Zhang Hao Peng Daogang |
| Affiliation: | 1. College of Electronics and Information Engineering, Tongji University 2. Hainan Electric Power Design and Research Institute 3. College of Automation Engineering, Shanghai Key Laboratory of Power Station Technology, Shanghai University of Electric Power |
| Abstract: | As micro sources and load have the characteristics of fluctuate and random in micro grid, energy storage system is the key to maintain micro grid operation safely and reliably, which is also able to improve the quality of power. The high energy density of storage battery and the high power density of supercapacitor could be both realized by mixed using storage battery and supercapacitor so as to achieve a high performance battery system with high speed of charge and discharge. A power model, which is based on small signal model of the complementary PWM is illustrated. The control circuits of which are designed for both storage battery and supercapacitor. In the system, the low frequency fluctuation of the storage battery is well eliminated by single current loop, and the high frequency fluctuation of supercapacitor is well reduced by utilizing double loop control with feedforward control so that the DC voltage of the main bus is stable. The simulation results prove the validity of the proposed control strategy. |
| Keywords: | storage battery super-capacitor hybrid energy storage double loop control |
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