电力系统保护与控制Issue(11)：92-98,7.
基于改进下垂控制的微网协调控制策略
Micro-grid coordinated control strategy based on improved droop control
摘要
Abstract
Reactive circulation is determined by the output voltage amplitude difference between different micro-sources in the micro-grid. On the basis of in-depth analysis of the relationship of the output voltage amplitude difference and reactive power output deviation between parallel operation micro-sources, this paper introduces the feedforward amplitude of the voltage feedback control strategy into conventional droop control, to reduce the amplitude differences of the output voltage between the sources, thus to suppress the reactive power circulation. Simulation results show that the control strategy is feasible and can improve the stability of micro grid operation effectively. Finally simulation results show that the feedforward amplitude of the voltage feedback control strategy can effectively suppress the shock of frequency and voltage during grid synchronization.关键词
微电网/下垂控制/无功分配/环流抑制/同步并网控制Key words
micro-grid/droop control/reactive allocation/circulation suppression/grid synchronization control分类
信息技术与安全科学引用本文复制引用
苏虎,曹炜,孙静,杨道培..基于改进下垂控制的微网协调控制策略[J].电力系统保护与控制,2014,(11):92-98,7.基金项目
国家高技术研究发展计划（863计划） （）
This work is supported by National High-tech R&D Program of China (863 Program)(No.2011AA05A106) （863 Program）
