新能源场站主动支撑电网的自适应控制技术

Adaptive Control Technology for Active Grid Support by New Energy Stations

  • 摘要: 随着新能源并网规模持续扩大,电网频率与电压稳定性问题日益突出。新能源场站需要具备快速主动支撑电网的能力,包括虚拟惯量,一次调频与电压调节功能。同时还需要具备自适应控制能力,根据电网运行状态动态调整支撑策略与控制参数。文章介绍了新能源场站主动支撑系统的功能需求,总体架构设计,自适应控制策略,系统实现方案与工程应用效果。自适应控制方式在频率调节精度与电压调节精度等关键性能指标上较传统控制方式实现了显著提升。新能源场站主动支撑电网的自适应控制技术为大规模新能源并网提供了可靠灵活的解决方案,对促进新能源消纳与保障电网安全稳定运行具有重要意义。

     

    Abstract: With the continuous expansion of new energy grid integration, the stability issues of grid frequency and voltage have become increasingly prominent. New energy stations need to have the ability to actively support the grid quickly, including virtual inertia, primary frequency modulation, and voltage regulation functions. At the same time, they also need to have adaptive control capabilities to dynamically adjust support strategies and control parameters according to the operating state of the power grid. This paper introduces the functional requirements, overall architecture design, adaptive control strategies, system implementation schemes, and engineering application effects of the active support system for new energy stations. The adaptive control method has significantly improved key performance indicators such as frequency regulation accuracy and voltage regulation accuracy compared with traditional control methods. The adaptive control technology for active grid support by new energy stations provides a reliable and flexible solution for large-scale new energy grid integration, which is of great significance for promoting new energy consumption and ensuring the safe and stable operation of the power grid.

     

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