"常态自运、需时调控":虚拟电厂的协同互动运行模式OA

With the increasing proportion of renewable energy in power systems,its intermittency and uncertainty pose severe challenges to power grid dispatching.As a key technology for enhancing system flexibility,virtual power plants(VPPs)face an inherent conflict between the economic efficiency pursued by market-oriented operations and the security requirements of grid dispatching.To address this conflict,this study proposes and verifies a novel collaborative interactive control mode for VPPs,namely"normal state self-operation,time-based regulation and control".This mode achieves autonomous optimal dispatching by operators during normal grid conditions and rapid direct control by the grid in demand scenarios through dynamic identification of operational states.On this basis,a hybrid control architecture supporting this mode is constructed,an optimal dispatching model considering security constraints is established,and a fast and reliable mode switching mechanism is proposed.Taking the practice of Guangzhou VPP as an example,typical operation cases and performance test data verify the effectiveness and economy of the proposed mode in load reduction,frequency regulation services,and other aspects.The research results provide a theoretical framework and practical path that balances security and efficiency for the large-scale development of VPPs and their regular participation in electricity markets.