一种面向高比例新能源电力系统惯量需求评估方法及装置

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By establishing dynamic frequency response equations and fast frequency response models in high-proportion renewable energy power systems, the problem of inaccurate inertia assessment has been solved, achieving high-precision inertia demand assessment and ensuring system safety and stability.

CN117526353BActive Publication Date: 2026-07-17NARI NANJING CONTROL SYSTEM CO LTD +2

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Patent Information

Authority / Receiving Office: CN · China
Patent Type: Patents(China)
Current Assignee / Owner: NARI NANJING CONTROL SYSTEM CO LTD
Filing Date: 2023-10-17
Publication Date: 2026-07-17

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Abstract

本发明公开了一种面向高比例新能源电力系统惯量需求评估方法及装置。本发明通过预先建立的电力系统动态频率响应的摆动方程，基于给定的目标功率扰动求解在频率变化率RoCoF约束下电力系统的第一最小惯量；通过预先构建的基于快速频率响应和一次调频的功率注入模型，基于给定的目标功率扰动求解频率最低点约束下电力系统的第二最小惯量；将所述第一最小惯量与第二最小惯量中的较大值作为电力系统的惯量需求评估值。本发明解决了高比例新能源并网背景下电力系统惯量不足的问题，明确了系统的惯量需求，确定了系统惯量安全运行边界，有效实现了电力系统安全稳定运行。

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