孤岛运行模式下微电网有功负荷优化分配

Optimal distribution of active loads on island operation mode of micro grid

研究了微电网在孤岛运行模式下的有功负荷优化分配问题.针对柴油发电机、微型燃气轮机、等效光伏电源(包含蓄电池)和风力发电机组成的微电网在孤岛模式下的负荷优化分配问题进行了研究,建立了优化数学模型,采用粒子群优化算法和混沌算法相结合的混沌粒子群优化算法,实现了有功负荷的优化分配.在优化过程中不但计及了电源功率充足情况下的负荷优化分配,而且考虑了电源功率不足情况下的负荷优化分配.给出的计算精度,使得优化结果更切合实际.仿真计算结果表明了该方法的正确性和有效性.

The micro grid active load distribution optimization problem on islanding mode was studied.This paper introduces an optimal distribution method of active loads on island mode of a micro grid which consists of micro grid diesel generators,micro turbines,solar generators and wind turbines.An optimization mathematical model is built,a hybrid particle swarm optimization algorithm combined with particle swarm optimization algorithm and hybrid algorithm is used.The optimal distribution method of active loads in the optimal process not only consider the power sufficient condition,but also the under condition of insufficient power supply.This paper presents the calculation precision;make the optimization results more practical.The simulation results illustrate that the method is validity and effectiveness.