电力系统自动化2017，Vol.41Issue(20)：38-46,9.DOI:10.7500/AEPS20170416002
基于改进信赖域算法的孤岛交直流混合微电网潮流计算
Power Flow Calculation of Islanded AC-DC Hybrid Microgrid Based on Modified Trust Region Method
摘要
Abstract
With both AC microgrid and DC microgrid advantages,the AC-DC hybrid microgrid is a promising development form of a microgrid form in the future.Peer-to-peer control strategy of the islanded AC-DC hybrid microgrid has many distributed generators and distributed storage devices controlled by different methods.The peer-to-peer control strategy of islanded AC-DC hybrid microgrid power flow calculation model is established,which is based on interlinking converter scaling method of autonomous operation control strategy and the consideration of bidirectional power exchange between AC subsystem and DC subsystem.In order to improve the convergence of the existing power flow calculation methods,an improved trust region algorithm based on the trust region radius convergence to 0 is proposed.According to the comparison of the BFGS trust region algorithm and the Newton-Raphson method,the effectiveness and robustness of the proposed algorithm is verified by comparing the results of the 12-bus islanded AC DC hybrid microgrid.关键词
微电网(微网)/对等下垂控制/改进信赖域算法/潮流计算Key words
microgrid/peer-to-peer droop control/modified trust region method/power flow calculation引用本文复制引用
王晗,徐潇源,严正..基于改进信赖域算法的孤岛交直流混合微电网潮流计算[J].电力系统自动化,2017,41(20):38-46,9.基金项目
国家重点研发计划资助项目(2017YFB0902800) （2017YFB0902800）
中国博士后科学基金资助项目(2017M610251).This work is supported by National Key Research and Development Program of China (No.2017YFB0902800) and Post doctoral Science Foundation of China (No.2017M610251). （2017M610251）
