基于非线性多智能体系统的微网分布式功率控制方法

发布时间：2018-04-25 18:47

本文选题：微网 + 分布式电源　；参考：《中国电机工程学报》2014年25期

【摘要】：传统下垂控制方法存在难以使微网负荷功率按照分布式电源容量合理分配的问题,为此在分析功率分配机理基础上,针对含多个分布式电源的微网,提出一种基于非线性多智能体系统的分布式功率控制方法。该方法在不影响有功功率分配精度前提下,通过引入有功扰动项使负荷无功功率可按照分布式电源容量实现精确分配。同时,为保证系统输出频率和电压均稳定在额定值或偏移很小,基于一致性和输入/输出线性化理论,在分布式电源多智能体网络拓扑结构下设计分布式非线性协同下垂控制器,弥补有功扰动引起的系统频率和电压的波动。仿真实验结果验证了所提控制方法的正确性和可行性。
[Abstract]:The traditional droop control method has the problem that it is difficult to reasonably distribute the load power of microgrid according to the capacity of distributed power supply. Based on the analysis of power distribution mechanism, this paper aims at the microgrid with multiple distributed power sources. A distributed power control method based on nonlinear multi-agent system is proposed. Without affecting the accuracy of active power distribution, the method can accurately distribute the load reactive power according to the capacity of distributed power source by introducing the active power disturbance term. At the same time, in order to ensure that the output frequency and voltage of the system are stable at the rated value or the deviation is very small, based on the consistency and input / output linearization theory, The distributed nonlinear cooperative droop controller is designed under the topology of distributed power supply multi-agent network to compensate for the fluctuation of system frequency and voltage caused by active power disturbance. The simulation results verify the correctness and feasibility of the proposed control method.
【作者单位】：新能源电力系统国家重点实验室(华北电力大学);
【基金】：国家自然科学基金项目(50977029) 河北省自然科学基金项目(E2013502074)~~
【分类号】：TM761

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