基于并行优化算法的独立和并网DC-MGs运行优化研究  

Research on operation optimization of independent and grid-connected DC-MGs based on parallel optimization algorithm

作　　者：杨强 李青峰 杜秀举 隆孝斌 郭明 YANG Qiang;LI Qingfeng;DU Xiuju;LONG Xiaobin;GUO Ming(Anshun Power Supply Bureau of Guizhou Power Grid Co.,Ltd.,Anshun 561000,China)

机构地区：[1]贵州电网有限责任公司安顺供电局,贵州安顺561000

出　　处：《电气应用》2023年第12期98-105,共8页Electrotechnical Application

基　　金：中国南方电网有限责任公司科技项目(GZKJXM20220060)。

摘　　要：为了提高直流微电网的可持续性和运行效率,电网的运行方式需要进行优化才能最大程度地利用可再生能源。为了实现这一目标,构建了一个考虑多种关键因素的数学模型,以确定最佳的发电操作策略。首先,基于元启发式算法,采用并行方式得到并行粒子群优化(PPSO)、并行旋涡搜索算法(PVSA)和并行蚁狮优化器(PALO)等优化策略。之后,应用基于逐次逼近的每小时潮流法(HPFSA)迭代过程以评估目标函数和约束条件的性能。基于以上解决方案,在独立网络与并网网络中进行了大量模拟实验。实验结果表明,PVSA在独立运行的直流微电网中表现出色,而PALO方法在并网连接的直流微电网中取得结果最佳。同时,在两种不同的测试系统中,优化算法显著改善了两个微电网的技术、经济和环境条件。因此,对于实现可持续、高效的微电网运营方式具有重要意义。In order to improve the sustainability and operational efficiency of DC microgrids,the operation of the grid needs to be optimized in order to maximize the use of renewable energy resources.To achieve this goal,this study constructs a mathematical model that considers several key factors to determine the optimal generation operation strategy.First,this study uses a parallel approach based on meta-heuristic algorithms to obtain optimization strategies such as Parallel Particle Swarm Optimization(PPSO),Parallel Vortex Search Algorithm(PVSA)and Parallel Ant-Lion Optimizer(PALO).After that,an iterative process based on the hourly tidal current method of successive approximation(HPFSA)is applied in order to evaluate the performance of the objective function and constraints.Based on the above solutions,this study conducts a large number of simulation experiments in both standalone and grid-connected networks.The experimental results show that the PVSA method performs well in standalone DC microgrids,while the PALO method achieves the best results in grid-connected DC microgrids.Meanwhile,the optimization algorithm significantly improves the technical,economic and environmental conditions of both microgrids in two different test systems.Therefore,this study is important for the realization of more sustainable and efficient microgrid operation methods.

关 键 词：直流微电网 并行优化算法 运行优化 

分 类 号：TM721.1[电气工程—电力系统及自动化]