浅谈微电网功率控制技术

Discussion on Technology of Micro Grid Power

简要回顾了微电网功率控制技术的发展历程,阐述了微电网的结构和概念。在分析微电网功率特性的基础上,比较全面地介绍了PQ控制、下垂控制、倒下垂控制和其他控制策略在微电网中的应用研究现状,分别说明了各种控制方式的优点和不足之处,并对各种控制方式的性能指标进行了比较。根据电网的性能和要求,指出了微电网功率控制技术目前存在的问题和未来发展趋势。

This paper summarizes the current situation of micro grid power control technology ,briefly reviews the development of micro grid controlled power system technology ,expounds the concept and structure of micro grid .Based on the analysis on the characteristics of micro grid power ,it comprehensively introduces the present situation of research and application of PQ control , droop control ,inverse droop control and other control strategies in micro grid ,respectively explains the various control modes , advantages and disadvantages ,and the performance indexes of each control mode are compared .According to the performance of the power grid and requirements ,points out the present problems of micro grid power control technology and the development trend in future .