With the increasing integration of distributed generators (DGs), renewable energy sources (RESs), and energy storage systems (ESSs) in the hybrid AC/DC microgrid (HMG), the paralleled bidirectional interlinking converters (BILCs) play a significant role in the economic power interaction (EPI) between AC and DC subgrids. This paper proposes a distributed dynamic event-triggered control (ETC) strategy for the HMG to realize the global economic operation. In each subgrid, economic power sharing (EPS) among DGs can be achieved by economic droop controllers with no global information. The proposed distributed dynamic ETC includes a continuous-time part and a discrete-time part, where the former part realizes the EPI between two subgrids, while the latter part ensures the proportional power sharing between BILCs. Thus, a particular over-stressed BILC can be avoided, and system reliability and scalability are significantly improved. Additionally, only data from neighboring BILCs at the event-triggered times are involved, which greatly minimizes the communication burden and costamong BILCs. Furthermore, the asymptotic stability of the closed-loop system dynamics and the communication time delay stability are proven. Finally, the hardware-in-loop experimental results are conducted to demonstrate the effectiveness of the proposed control strategy.

中文翻译：

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高功率混合交直流微电网中全球经济运行的分布式动态事件触发电源管理策略


随着分布式发电机（DG）、可再生能源（RES）和储能系统（ESS）在混合交直流微电网（HMG）中的日益集成，并联双向互连变流器（BILC）在混合微电网（HMG）中发挥着重要作用。交流和直流子电网之间的经济电力相互作用（EPI）。本文提出了HMG的分布式动态事件触发控制（ETC）策略，以实现全球经济运行。在每个子电网中，DG 之间的经济功率共享（EPS）可以通过经济下垂控制器实现，无需全局信息。所提出的分布式动态ETC包括连续时间部分和离散时间部分，其中前者实现两个子电网之间的EPI，而后者确保BILC之间的比例功率共享。因此，可以避免特定的过压BILC，并且系统可靠性和可扩展性显着提高。此外，仅涉及事件触发时相邻 BILC 的数据，这大大减少了 BILC 之间的通信负担和成本。此外，还证明了闭环系统动力学的渐近稳定性和通信时滞稳定性。最后，硬件在环实验结果证明了所提出控制策略的有效性。