基于深度学习负荷预测与模型预测控制的水电站AGC协同优化方法及装置

By employing deep learning-based load forecasting and model predictive control methods, combined with multi-source data and multi-objective optimization, the problems of control lag and single optimization objective in hydropower station AGC systems under high-proportion renewable energy grid integration were solved. This approach achieved high-precision forecasting and collaborative optimization, thereby improving grid stability and hydropower station operational efficiency.

CN121367187BActive Publication Date: 2026-07-17QU ZHOU SHI XIN AN SHUI DIAN KAI FA YOU XIAN GONG SI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
QU ZHOU SHI XIN AN SHUI DIAN KAI FA YOU XIAN GONG SI
Filing Date
2025-11-17
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing hydropower station AGC systems suffer from control lag, low precision, poor adaptability, and a single optimization objective when facing a high proportion of renewable energy grid connection, making it difficult to cope with the challenges of drastic fluctuations in grid power and new energy output.

Method used

A method based on deep learning load forecasting and model predictive control is adopted. By fusing real-time data from multiple sources, a hybrid deep learning model (such as Transformer-LSTM) is used to perform high-precision ACE forecasting. Under the model predictive control (MPC) framework, a multi-objective optimization function is designed to collaboratively optimize the unit's operating performance, including power point tracking accuracy, equipment wear, operating efficiency, and safety and stability.

Benefits of technology

It achieves high-precision and forward-looking prediction of the ACE signal of the power grid, improves the power point tracking accuracy and the frequency stability of the power grid, optimizes the operation economy and equipment health of hydropower stations, ensures the safety of the units and the reliability of the system, and adapts to the long-term evolution of the power grid structure and unit characteristics.

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Abstract

本发明公开了一种基于深度学习负荷预测与模型预测控制的水电站AGC协同优化方法及装置,属于水电站自动控制技术领域,包括:获取包含电网、厂内和外部环境的多源实时数据;对数据进行预处理得到特征数据;将特征数据输入至混合深度学习预测模型,得到未来ACE预测序列;基于该预测序列和机组动态模型,采用MPC策略在线滚动求解一个综合了功率跟踪精度、机组调节磨损、运行效率及稳定性的多目标优化函数,得到最优控制指令;最后下发该指令给机组执行。本发明通过高精度预测与多目标优化控制相结合,实现了从被动响应到主动预控的转变,能够有效提升AGC控制的精度和综合效益,增强系统运行的安全性和对复杂电网环境的适应性。
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Citation Information

Patent Citations

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