电网频率安全优化方法、装置、设备及介质
By acquiring power system parameters, determining the equivalent virtual inertial constant of new energy generator units, dividing the inertia support region, and constructing an optimized clearing model, the problem of high cost of traditional power grid frequency security assurance methods is solved, and the synergistic optimization of power grid frequency security and economy is achieved.
CN122118779BActive Publication Date: 2026-07-17EAST CHINA BRANCH OF STATE GRID CORP
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- EAST CHINA BRANCH OF STATE GRID CORP
- Filing Date
- 2026-01-22
- Publication Date
- 2026-07-17
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Figure CN122118779B_ABST
Abstract
本发明公开了一种电网频率安全优化方法、装置、设备及介质。通过统一量化物理惯量与虚拟惯量，并基于电气距离实现动态分区，实现了对电网中惯量空洞的精准识别与量化评估。进而，将分区最小惯量需求作为刚性安全约束引入电力市场出清模型，允许新能源以虚拟惯量服务提供者身份参与市场报价，通过优化联合决策电能与惯量资源，在确保频率安全的前提下，依托市场化竞争机制，自动生成社会总成本最低的资源配置方案，实现了安全性与经济性的协同最优。最后，从优化模型中提取惯量资源的边际价格，并进一步构建节点惯量稀缺指数，将其转化为直观的经济信号与频率安全预警，从而系统性提升了电网运行的稳定性与供电可靠性。
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