基于信息物理系统的孤岛微网实时调度的一致性协同算法

A Consensus-based Collaborative Algorithm for Real Time Dispatch of Island Microgrid in Cyber Physical System

信息物理系统为孤岛微网的实时调度提供了新思路。该文给出孤岛微网信息物理系统的架构,基于此提出一种有功功率的实时调度模型,并以一致性理论为核心提出一种完全分布式协同算法。算法包含一致项和调整项两层控制,一致项采用带有自设权重的一阶一致性算法实现与邻居单元的信息同步,自设权重的系数矩阵可强化可控单元的作用,提高优化速度;调整项根据物理设备的实际运行情况计算反馈量进行实时修正,使结果满足各项约束条件。通过算例分析所提算法在不同环境和各种扰动下的收敛情况,证明了其有效性和鲁棒性。

The cyber physical system（CPS） paves a new way for real time dispatch of island microgrid. A framework of island microgrid cyber physical system was provided in this work. According to the framework, a real time dispatch model for active power control was established, and a consensus-based collaborative algorithm was proposed. The algorithm consists of two control stages： the consensus term and the adjustment term. First order consensus algorithm with self-designed weights is adopted in the consensus term, which is responsible for information synchronization of neighbor units. The coefficient matrix with self-designed weights assists to improve the status of controllable units, so as to enhance the optimization speed. According to the actual operation situation of physical devices, the adjustment term serves as a feedback to do real-time correction, in order to make the results satisfy all constraints. Simulation results were presented to demonstrate the effectiveness and robustness of the proposed algorithm.