摘要
为解决微网功率波动、谐波等问题,提出了利用混合储能技术平抑功率波动,同时补偿谐波、无功和不平衡电流的多目标控制策略。此外,基于瞬时功率理论和谐波电流检测算法,实现了多目标并网参考电流的计算方法。控制储能装置实时补偿微网公共连接点电能质量,实现电能质量综合治理。算例结果验证了该方法的有效性。
To smooth the power fluctuations in microgrid and improve power quality,a multi-objective control strategy,in which the hybrid energy storage technology is utilized to suppress power fluctuations and eliminate harmonics as well as to compensate reactive power and current unbalance,is proposed.Besides,based on instantaneous reactive power theory and harmonic current detection algorithm,an approach for the calculation of multi-objective grid-connecting reference current is implemented to control energy storage devices and compensate power quality between the AC bus of microgrid and the point of common coupling（PCC） of low voltage distribution network in realtime mode,thus the comprehensive control of power quality can be realized.The effectiveness of the proposed method is verified by results of Matlab/Simulink-based simulation.
出处
《电网技术》
EI
CSCD
北大核心
2013年第7期1792-1798,共7页
Power System Technology
关键词
微电网
电压源变流器
平滑功率波动
混合储能
电能质量治理
电流检测
多目标控制
microgrid
VSC
smoothing of power fluctuant
hybrid energy storage system
power quality control
current detection
multi-objective control
