Page 122 - 《中国电力》2026年第5期
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第 59 卷 第 5 期                                                                          Vol. 59, No. 5
               2026 年 5 月                            ELECTRIC POWER                                   May 2026

              引用格式:周专, 王杰, 边家瑜, 等. 基于动态权重混合专家模型的超短期电力负荷预测[J]. 中国电力, 2026, 59(5): 118−132.
              Citation: ZHOU Zhuan, WANG Jie, BIAN Jiayu, et al. Ultra-short-term power load forecasting based on dynamic weighting mixture of experts[J].
              Electric Power, 2026, 59(5): 118−132.



                             基于动态权重混合专家模型的超短期

                                                  电力负荷预测



                                   周专 ,王杰 ,边家瑜 ,于志勇 ,袁铁江                                 3
                                                                            2
                                                   3
                                         1
                                                               2
               (1. 国网新疆电力有限公司,乌鲁木齐 830000;2. 国网新疆电力有限公司经济技术研究院,乌鲁木齐 830063;
                                          3. 大连理工大学 电气工程学院,大连 116081)
                     Ultra-short-term power load forecasting based on dynamic weighting
                                                   mixture of experts

                                                                              2
                                          1
                                                     3
                                                                  2
                             ZHOU Zhuan , WANG Jie , BIAN Jiayu , YU Zhiyong , YUAN Tiejiang  3
                (1. State Grid Xinjiang Electric Power Co., Ltd., Urumqi 830000, China; 2. Economic and Technological Research Institute, State Grid
                        Xinjiang Electric Power Co., Ltd., Urumqi 830063, China; 3. School of Electrical Engineering, Dalian University
                                                 of Technology, Dalian 116081, China)

              Abstract:  Ultra-short-term  power  load  forecasting  is  a  key  compared to single models and traditional hybrid methods, the
              supporting  technology  for  real-time  scheduling  of  new-type  DW-MoE  model  exhibits  significant  advantages  in  both
              power  systems,  and  its  accuracy  directly  determines  the  prediction accuracy and convergence speed for ultra-short-term
              consumption  capacity  of  new  energy,  the  economics  of  units  load forecasting, and notably, it achieves a substantial reduction
              combination,  and  the  charging  and  discharging  efficiency  of  in prediction error under anomalous load scenarios, validating
              energy  storage  system.  To  address  the  challenges  of  load  the model's robustness to abrupt load variations.
              data—including its strong temporal dependency, sensitivity to  This work is supported by Science and Technology Project of
              meteorological  conditions,  sensitivity  to  calendar  effects,  and  State  Grid  Xinjiang  Economic  Research  Institute  (No.SGXJ
              anomalous  fluctuations,  a  dynamic  weighting  mixture  of  0000FCJS2400181)
              experts (DW-MoE) model is proposed for ultra-short-term load  Keywords:  ultra-short-term  load  forecasting;  mixture  of
              forecasting.  Firstly,  the  model  captures  the  periodic  temporal  experts; dynamic weighting; online updates
              characteristics  of  the  load  sequences  through  BiLSTM,
              characterizes the nonlinear correlation between meteorological  摘 要:超短期电力负荷预测是新型电力系统实时调度
              factors,  date  factors  and  loads  using  XGBoost,  and  achieves  的关键支撑技术,其精度直接决定新能源消纳能力、机
              accurate detection of abnormal load patterns using GAN. Then,  组组合经济性及储能系统充放效率。针对负荷数据的强
              a dynamic weighting mechanism based on sliding window error  时序性、气象敏感性、日期敏感性及异常波动挑战,提
              feedback  is  designed  to  achieve  adaptive  fusion  of  multiple  出动态权重混合专家模型(dynamic weight-mixture of experts,
              expert  outputs;  Finally,  an  online  update  mechanism  is  DW-MoE)用于超短期负荷预测。首先,该模型通过双向长
              introduced  to  incrementally  optimize  the  model’s  parameters  短期记忆网络(bi-directional long short-term memory,BiLSTM)
              based  on  the  latest  sampled  data,  enhancing  the  dynamic  捕捉负荷序列的周期性时序特征,借助极端梯度提升树
              response  capability  of  the  model  to  non-stationary  load  (extreme gradient Boosting,XGBoost)刻画气象因子、日期
              fluctuations.  The  experimental  results  demonstrate  that  因子与负荷的非线性关联,利用生成对抗网络(generative
                                                                adversarial networks,GAN)实现异常负荷模式的精准检测。
                                                                然后,设计基于滑动窗口误差反馈的动态权重机制,实现
              收稿日期:2025−06−06; 修回日期:2025−08−22。
                                                                多专家输出的自适应融合。最后,引入在线更新机制,基
              基金项目:国网新疆经研院科技项目(SGXJ0000FCJS                     于最新采样数据对模型参数进行增量式优化,提升模型
              2400181)。                                         对非平稳负荷波动的动态响应能力。实验结果表明,相

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