小信号模型直流微电网稳定性分析实验

摘要

微电网是未来智能配电网的重要组成部分,微电网技术是未来分布式电力系统的发展趋势.结合当前电气系统专业领域的热点问题——微电网稳定性,特为电气工程及相关专业学生开设“基于小信号模型的直流微电网的稳定性分析实验”课程,安排了包括Matlab/Simulink理论知识、直流微电网及其稳定性分析方法的理论知识、变换器小信号建模及级联变换器的稳定性分析、选题及相应的Matlab仿真验证、以及交流总结会等5个教学内容.课程要求学生在20个课时内掌握简单直流微电网的小信号稳定性分析方法.该实验课程着眼于当前甚至是未来短期专业关注问题,将控制理论分析与新能源电网结合,使学生了解科学技术的最新发展和学术前沿动态,启迪科研思维,将科研方法(小信号分析)融入实验教学活动.%The micro-grid is an important part of future Smart Distribution Automation,and the micro-grid technology is a trend of the future distributed power system.Combined with the current hot issue in the field of power system,i.e.,micro-grid stability problem,an experiment course of "stability analysis experiment of micro-grid based on small-signal model" is proposed for the students of electrical engineering and related majors,The course includes theoretical knowledge of MATLAB/Simulink,theoretical knowledge of DC micro-grid and stability analysis,small signal modeling of converter and stability analysis of cascade converters.It also contains choosing topics and the corresponding MATLAB simulation,seminars and so on.Students are required to master the simple DC micro-grid small signal stability analysis within 20 courses.This experiment course focuses on the issues concerned at present and nearly future,combines the control theory analysis with new energy power grid,makes students understand the new development of science and technology and the academic trends,enlightens students' thought of scientific research,and introduces the research method (small signal analysis) to the experiment teaching activities.