基于模糊去约束法的微电网系统运行优化.pdfVIP

学兔兔 第35卷 第5期 仪 器 仪 表 学 报 Vo1．35 No．5 2014年5月 Chinese Journal of Scientific Instrument Mav．2014 基于模糊去约束法的微电网系统运行优化 余 岳，粟 梅，孙 尧，韩 华 (中南大学信息科学与工程学院 长沙 410083) 摘 要：在微电网的运行优化中，由于电池约束条件的特殊性，系统运行优化是含非线性约束的优化问题，因此通常采用诸如 PSO算法、动态规划等算法进行求解。这类算法普遍存在求解效率不高的问题。选取一个含有光伏发电、风力发电、燃气轮机、 电池储能单元所组成的并网型微电网运行优化问题作为研究对象，提出一种模糊去约束法，将电池约束去除，将微电网含非线 性约束的优化问题转变为线性优化问题。对比传统优化方法和模糊去约束法，系统的优化效率有了显著的提高。 关键词：微电网；模糊控制；去约束；运行优化 中图分类号：TM715 文献标识码：A 国家标准学科分类代码：470．40 Microgrid system optimal scheduling based on fuzzy control constraint reduction Yu Yue，Su Mei，Sun Yao，Han Hua (School of Information ScienceEngineering，Central South University，Changsha 410083，China) Abstract：In the optimization of micro—grid system operation，due to the particularity of the battery constraint，the optimization of the system operation is an optimization problem containing nonlinear constraints；the algorithms，such as PSO algorithm，dynamic program— ming algorithm are usually used for the system solution．These algorithms generally have low efficiency．In this paper，the operation opti— mization problem of a micro—grid power system consisting of photovohaic power generation，wind power generation，gas turbine and bat— tery energy storage unit is taken as the study object；a fuzzy control constraint reduction method is proposed．The battery constraint is re— moved，and the optimization problem of the micro—grid with nonlinear constraints is transformed into a linear optimization problem．Com— pared with traditional optimization methods，the new fuzzy control constraint reduction method improves the system optimizati