风电场接入电网须具备按电网调度指令输出有功功率的能力。由于大幅削减了电力电子设备并采用恒压频比控制运行原理，动态低频风电系统在深远海发展前景下更具经济性和可靠性。为解决该系统在接入电网时只具备最大功率跟踪能力而无法按电网调度指令输出有功功率的问题，提出了一种优先机群主动升速的集中变频风电场调度指令有功功率控制方法。通过协调变频和变桨解决控制模式切换中出现的问题，综合考虑动态低频风电系统利用集中输电频率的运行控制特性，设计了平衡机组转速和减少桨距角动作的风电场有功功率分配方法。最后，通过PSCAD仿真模型验证了所提方法的正确性和有效性。算例结果表明，所提的有功功率控制方法能使动态低频风电场输出有功功率有效跟踪电网调度指令，同时能存储更多动能，有利于提高风电场控制水平。

Wind farms must be able to output active power according to grid dispatch instructions when connected to the grid. Due to the significant reduction in power electronic devices and the adoption of constant voltage-to-frequency ratio control operation principle, dynamic low-frequency wind power systems are more economical and reliable in the development prospects of deep-sea areas. To solve the problem that this system can only track the maximum power and cannot output active power according to grid dispatch instructions, a centralized variable-frequency wind farm active power control method considering active speed-up of the turbine cluster is proposed. By coordinating variable-frequency control and variable-pitch control, the problems encountered during control mode switching is solved. Comprehensively considering the operating and control characteristics of dynamic low-frequency wind power systems utilizing centralized transmission frequency, a suitable active power allocation method for wind farms is designed, which balances turbine rotatioanl speed and reduces pitch angle adjustments. Finally, the correctness and effectiveness of the proposed method are verified through PSCAD simulation models. The calculation results show that the proposed active power control method can effectively track grid dispatch instructions for active output of dynamic low-frequency wind farms, while also storing more kinetic energy, which helps to improve the control level of wind farms.