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“AI+核能”创新应用案例(二十五)丨基于时序大模型的电力现货交易预测

“AI+核能”创新应用案例(二十五)丨基于时序大模型的电力现货交易预测

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编者按:

近年来,全球核能领域数字化转型风头正劲,推动人工智能与核能产业的深度融合,不仅是响应国家“人工智能+”行动部署的具体实践,也是我们构建现代核能体系、实现安全高效发展的必由之路。中国能源研究会积极响应时代命题,在2025年能源行业人工智能创新技术应用案例征集活动中,特设置了“AI+核能创新应用场景”的征集方向。

自启动以来,活动得到了业界、学界以及科技企业界的广泛响应,共收到来自全国49家单位的数百份场景方案,覆盖从设计建造、运维管理、安全监管到燃料循环、公众沟通、前沿材料等全链条环节,充分展现出这一交叉领域的蓬勃活力与广阔前景。经过多轮严谨的研讨与遴选,我们从众多优秀场景中筛选出了100项代表性场景,并在此基础上通过进一步交流与遴选,最终优选出了30项具有前瞻性、创新性和实践价值的场景作为本次征集活动的最终推荐成果。现将这30项“AI+核能创新应用”推荐场景案例进行集中展示,以供探索核能领域AI场景应用的单位和同行互相学习与提高。

一、案例概述

2024年,国家能源局于发布《关于加快推进新能源参与电力市场交易的通知》,我国正式进入新能源“全量入市、全面参与现货市场”的新阶段。政策明确要求风电、光伏等新能源发电主体不再享受全额保障性收购,必须通过市场化机制参与日前、实时现货交易,并承担偏差考核责任。政策转型也带来了前所未有的业务痛点,例如,预测精度不足导致偏差考核损失、交易策略复杂低效、多市场主体协同困难等。引入能源技术,构建“能源语言大模型+时序预测大模型”的双脑架构,成为破局关键。

二、典型应用场景

目前,协鑫能科虚拟电厂和光伏预测项目,已在多个地区进行了推广应用,取得了良好的应用成效。光伏预测技术的应用,使得光伏发电的预测准确率大幅提升,为电网调度提供了可靠依据,保障了电力供应的稳定性和安全性。

三、技术方案

1. 关键技术

(1)灵活可扩展结构

采用时序基础模型(Temporal Foundation Model)结合领域适配器(Domain-Specific Adapter)的统一架构,通过可插拔模块将异构时序数据映射到统一嵌入空间。轻量化的任务特定头(Task-Specific Head)支持端到端联合训练,实现跨领域时序表征的高效迁移和快速适配,无需额外训练即可适配垂直领域,最大化复用行业知识。

(2)长短时跨任务统一结构

基于Transformer的仅解码器(Decode-Only)架构,通过自回归建模和因果注意力机制,支持任意长度时序数据的端到端建模,灵活适配能源电力多样化任务需求。

(3)多尺度预训练

通过分层时序卷积与注意力机制,捕获长期趋势、周期性及残差波动特征,融合宏观趋势与微观波动,兼顾系统稳定性和动态响应能力。

(4)多模态时序联合建模

支持遥感、气象等动静态协变量及文本指令信息,通过多头交叉注意力机制实现多元特征的非线性交互,提升预测精度和能源运营效率。

(5)智能数据质量诊断

内置自适应掩码机制,自动检测并处理缺失值、异常尖峰、非均匀采样等行业典型数据问题,确保模型在复杂工业环境中的稳定性和可靠性。

(6)混合专家(MoE)架构

针对光伏、风电、负荷、电价等场景定制专用子模型,提升多场景下的拟合与泛化能力。

(7)高效推理性能

通过预处理加速、自适应特征提取及混合精度推理技术,推理性能提升3-4倍,满足电力调度、现货交易、异常检测等高实时性场景需求。

2. 创新亮点

创新点一:跨场景泛化能力。通过海量数据预训练,学习不同场景的共性规律,实现无需重新训练的高精度预测,显著降低部署成本。

创新点二:多任务学习能力。同时处理发电预测、负荷预测和电价预测等任务,学习任务间关联性,提升整体性能。

创新点三:动态适应能力。捕捉数据分布随时间变化的规律(如季节变化、政策调整),结合实时数据动态调整预测和调度策略。

创新点四:复杂模式识别能力。处理高维、非线性时序数据,识别传统方法难以捕捉的复杂模式,如设备故障预测中的细微变化。

创新点五:数据效率提升。利用预训练知识,仅需少量本地数据即可实现高精度预测,降低数据收集和标注成本。

创新点六:多模态融合。整合卫星云图、设备红外图像、语音工单等非结构化数据,提升极端天气下预测的鲁棒性。

四、应用成效

(1)提升运行效率。通过部署各类Agent和模型,能源系统的运行效率得到了显著提升。

(2)优化能源交易。在售电和用电环节,发电交易策略、储能充放电策略等应用,优化了能源交易和调度策略,提高了能源交易的效率和经济效益。

(3)增强决策支持。时序大模型为能源系统的决策提供了强大的支持。

(4)促进绿色发展。时序大模型的应用,促进了能源系统的绿色化和智能化发展。

五、小

面对新能源参与电力市场交易带来的市场化挑战,能源AI不仅是技术升级,更是商业模式重构的核心引擎,是新能源企业从“被动消纳”转向“主动盈利”的战略支点,为构建高比例新能源新型电力系统提供智能化底座。

完成单位:蚂蚁双链科技(上海)有限公司

主要完成人:赵帅央、余志军、胡洪源、谢福强、钱烽、黄宇斌

来源:中国能源研究会核能专委会

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  1. CONNECT:[ UseTime:0.000605s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000858s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000349s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000268s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000475s ]
  6. SELECT * FROM `set` [ RunTime:0.000193s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000582s ]
  8. SELECT * FROM `article` WHERE `id` = 533886 LIMIT 1 [ RunTime:0.000387s ]
  9. UPDATE `article` SET `lasttime` = 1776471840 WHERE `id` = 533886 [ RunTime:0.007827s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000261s ]
  11. SELECT * FROM `article` WHERE `id` < 533886 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000482s ]
  12. SELECT * FROM `article` WHERE `id` > 533886 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002773s ]
  13. SELECT * FROM `article` WHERE `id` < 533886 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003457s ]
  14. SELECT * FROM `article` WHERE `id` < 533886 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001547s ]
  15. SELECT * FROM `article` WHERE `id` < 533886 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001478s ]
0.111356s