能源研究与管理2025，Vol.17Issue(4)：57-63,7.DOI:10.16056/j.2096-7705.2025.04.008
基于PCLA模型预测的热电联产机组热网参与一次调频控制方案
Primary Frequency Regulation of CHP Units via District Heating Network Thermal Storage:A PCLA-Based Forecasting Study
DU Shengdong 1GUO Chushan 1LU Aiye 2ZHANG Yubo1
作者信息
- 1. Northwest Electric Power Test Institute of China Datang Group Science and Technology Research Institute Co.,Ltd.,Xi'an 710018,China
- 2. Datang Fuping Thermal Power Co.,Ltd.,Weinan 711700,Shaanxi,China
- 折叠
摘要
Abstract
To address the limitation on the primary frequency regulation capability of combined heat and power(CHP)units caused by the"heat-determined electricity"constraint during heating seasons,this paper proposes a coordinated control strategy for the heating network and the unit based on the prediction of the comprehensive heat storage index(CSI).A parallel CNN-LSTM-ATT(PCLA)model is constructed to predict the CSI using multivariate time-series data from the distributed control system(DCS),accompanied by a threshold-driven coordinated control scheme.The results demonstrate that,upon model convergence,the loss function approaches zero,exhibiting strong generalization capability,with approximately 80％of prediction errors concentrated within±5％,which significantly outperforms the standalone LSTM model.Validation using actual operational data indicates that when the predicted CSI exceeds 60,partially closing the heating valve can temporarily increase the unit load to meet the demand for primary frequency regulation.Conversely,when the CSI is low and the system is in a steady state,opening the valve effectively restores heat storage.Without compromising heating comfort,this strategy effectively utilizes the thermal inertia of the heating network as a buffer,significantly enhancing the unit's frequency regulation response speed and operational flexibility.关键词
热电联产/一次调频/蓄热指标/预测算法/注意力机制Key words
combined heat and power/primary frequency/regulation thermal storage index/predictive algorithm/attention mechanism分类
信息技术与安全科学引用本文复制引用
DU Shengdong,GUO Chushan,LU Aiye,ZHANG Yubo..基于PCLA模型预测的热电联产机组热网参与一次调频控制方案[J].能源研究与管理,2025,17(4):57-63,7.
