Optimization Operation Planning Method for Microgrid System that Combines Short-Term and Medium-Term Calculation using PSO

Abstract

Non-linearity characteristics of equipment, such as Cogeneration system (CGS), would complicate to optimally operate microgrid system (MGS) composed of it and growth the amount of calculation (time) to make an operation planning. In this paper, the authors use particle swarm optimization (PSO), which is known as a heuristic, to solve complex problems while maintaining non-linearity, and propose an optimal operation planning method that combines 1-week calculations and 24-hour calculations to obtain high accuracy solution by consideration of multiple days in appropriate calculation time. Through numerical experiments, we evaluate calculation accuracy, time, the effects of prediction error.