【摘要】 风力发电输出功率具有波动性和间歇性的特点,这将对电网的电能质量产生较大的影响。文中提出采用超级电容器和蓄电池复合储能系统来实现快速吞吐有功功率,平抑风电的功率波动,并发挥超级电容器和蓄电池在技术性能上所具有的互补优势,提高系统的经济性能和技术性能;建立了复合储能系统的数学模型,以及基于复合储能的直驱式风力发电系统的仿真平台及控制策略,进行仿真研究,验证了采用方法的正确性和有效性。更多还原

【Abstract】 Wind power has the characteristics of volatility and intermittence,which will have a greater impact on power quality.The proposed hybrid energy storage system based on ultra capacitors and batteries can quickly throughput active power,keep wind power fluctuations,and play complementary strengths of a ultra capacitor and battery on the technology performance,which improves economic performance and technical performance of the system.The hybrid energy storage system model was established,and the directly-drive wind power system simulation platform based on the hybrid energy storage and the control strategy were established.The simulation research was studied to verify the accuracy and validity.更多还原