【摘要】 针对微电网布局分散、难以集中协调控制，且运行期间母线电压存在严重脆弱性的问题，以微源并网逆变控制器作为智能体，以电能质量指标为一致性目标，构建微电网协同分层控制结构，底层采用下垂控制调节负荷变化引起的电压偏差，上层以逆变器输出电压为一致性目标，动态优化各微源的电压给定值，提高系统稳定性及母线电压控制精度。针对弱电网状态下的电压波动与畸变问题，采用基于虚拟领导者的误差迭代一致性跟踪控制策略，提高弱电网状态下系统对非线性参数的自适应能力，实现并网电压的鲁棒控制。最后，通过Matlab/Simulink仿真平台验证方法的有效性。更多还原

【Abstract】 In order to solve the problem that the layout of microgrid is too decentralized to conduct centrally coordinate control, and the bus voltage is seriously vulnerable during operation, the inverter controller of each micro source is used as an agent to build a multi-agent system of microgrid, where the intelligent cooperative hierarchical control structure of microgrid is constructed with the power quality index as the consistency goal. Droop control is used in the bottom layer to control the voltage deviation caused by the uneven power distribution leading by the load change. The upper layer takes the inverter output voltage as the consistency goal, dynamically optimizes the voltage setting value of each micro source, and greatly reduces the voltage deviation of multiple micro sources. Aiming at the problem of voltage fluctuation and distortion in weak current grid, the grid voltage deviation is taken as the consistency target, where the error iterative consistency tracking control based on virtual leader is adopted, and the micro source continuously tracks the voltage reference value to reduce the voltage fluctuation. Finally, the effectiveness of the method is verified by Matlab/Simulink simulation platform.更多还原