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【精选100秒】南京工程学院 刘秋华,李铭钦:新型电力系统加剧了平衡成本压力?看德国平衡单元如何给出高效答案!

  • 2026-03-26 08:39:56
【精选100秒】南京工程学院 刘秋华,李铭钦:新型电力系统加剧了平衡成本压力?看德国平衡单元如何给出高效答案!

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平衡单元的核心动因和关键要素分析/刘秋华,李铭钦

DOI:10.13335/j.1000-3673.pst.2025.0578

01

研究背景

随着我国新能源的快速发展,电力系统面临平衡成本攀升与灵活调节能力不足的双重挑战,亟需探索新的平衡机制。德国电力市场通过独特的平衡单元模式设计,有效降低了平衡成本并提升了新能源消纳水平,为全球电力市场的发展提供了宝贵经验。

02

主要内容及创新点

文章深入研究了德国平衡单元模式的核心动因和关键要素,通过加权聚类和熵权法分析,如图1所示。

图1 加权k-means算法流程

根据聚类结果将平衡单元的发展划分为3个阶段:市场机制与政策转型期、新能源高速发展期、技术深度创新期。通过对平衡单元不同发展阶段的核心动因进行深入剖析,揭示了该模式在不同历史阶段的适应性变化,并识别出新能源波动性、市场机制和调节资源灵活性等关键要素。通过对德国经验的分析,探讨了我国在新能源消纳和电力平衡机制改革中的需求与条件,提出了我国在当前阶段可以借鉴的策略和建议,可为我国创新电力电量平衡机制提供理论支持。

主要创新性工作如下:

1)针对电力平衡单元这一复杂系统中多源异质特征指标的动态关联问题,本文创新性地引入了熵权法与加K-mean聚类算法的耦合模型。该模型利用信息熵动态度量扰动与稳定熵指标的敏感性差异,生成动态权重矩阵并强化关键要素在特征空间中的主导作用。

2)将德国平衡单元的演化历程划分为市场机制与政策转型期、新能源高速发展期及技术深度创新期3个关键阶段。研究深度剖析了各阶段核心动因的极化特征,识别出新能源渗透率、调节资源灵活性以及电力系统数字化转型在不同历史方位的关键要素作用。

03

研究结论

本文通过加权聚类和熵权法相结合的分析方法,深入研究了德国平衡单元的核心动因和关键要素。研究表明,加权聚类算法在阶段划分精度与关键指标识别能力上显著优于传统方法,有效克服了传统聚类方法的局限性,如表1所示。

表1 不同算法的聚类指标

基于德国2004—2023年的数据,模型识别出平衡单元发展具有不同核心动因的3个阶段:市场机制与政策转型期、新能源高速发展期、技术深度创新期。这些阶段特征揭示了新能源波动性、市场机制和调节资源灵活性等关键要素的作用,如图2、3、4所示。

图2 阶段1关键要素

图3 阶段2关键要素

图4 阶段3关键要素

表2提炼了各阶段的核心动因与关键要素,为我国平衡机制改革提供了可资借鉴的路径参照系。

表2 各阶段平衡单元的核心动因和关键要素

对于我国而言,新型电力系统建设正处于从集中调度向多元协同转型的关键阶段,既需借鉴德国经验中“责任下沉”与“动态调节”的核心逻辑,更要立足本土实际构建适配性改革路径,为我国构建新型电力系统平衡机制提供了兼具理论深度与实践价值的参考范式。

04

后续研究方向或讨论话题

针对平衡单元模式的深化研究,未来可聚焦于“数智赋能与多市耦合”的深度融合。一方面,结合我国“强直弱交”的复杂网架结构,如何设计兼顾“特高压全局统筹”与“园区局部自治”的分布式柔性电力池机制,将是破解大电网安全与局部灵活性矛盾的关键讨论方向。另一方面,随着分布式资源渗透率创出新高,亟需深化基于AI代理与边缘计算的自主决策算法研究,以提升微观主体在毫秒级响应下的自平衡精度。

参 文 格 式

刘秋华,李铭钦平衡单元的核心动因和关键要素分析[J]电网技术,2026,50(1):168-177.

LIU Qiuhua,LI Mingqin.Analysis of the core motivations and key elements of the balancing group[J].Power System Technology,2026,50(1):168-177(in Chinese).

相关文献扩展阅读

刘秋华,姜亚熙,张正延,等.德国与英国电力市场平衡机制对比分析及启示[J].电力系统自动化,2024,48(14):8-15.

刘秋华,张正延,姜亚熙,等平衡单元模式下德国电力电量平衡机制探讨及启示[J].电力需求侧管理,2024,26(4):113-118.

陈宋宋,董家伟,王舒杨,等.德国电力平衡单元机制及其启示[J].电网技术,2024,48(10):4157-4166.

作者简介

刘秋华(1963),女,博士,二级教授,硕士生导师,主要研究方向为电力市场,E-mail:njitlqh@126.com。

李铭钦(2000),男,通信作者,硕士研究生,主要研究方向为电力市场,E-mail:1033799622@qq.com。

制作:毛   馨

责任编辑:王金芝

审核:李兰欣

本文为原创作品,所涉及文字及图片版权均属《电网技术》编辑部所有,根据国家版权局最新规定,纸媒、网站、微博、微信公众号转载、摘编我社的作品,务请提前联系我编辑部。个人请按本微信原文转发、分享。

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  1. CONNECT:[ UseTime:0.001118s ] mysql:host=127.0.0.1;port=3306;dbname=b460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001534s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000703s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000676s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001316s ]
  6. SELECT * FROM `set` [ RunTime:0.001702s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001435s ]
  8. SELECT * FROM `article` WHERE `id` = 514593 LIMIT 1 [ RunTime:0.003679s ]
  9. UPDATE `article` SET `lasttime` = 1774513235 WHERE `id` = 514593 [ RunTime:0.005714s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000628s ]
  11. SELECT * FROM `article` WHERE `id` < 514593 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.003190s ]
  12. SELECT * FROM `article` WHERE `id` > 514593 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001178s ]
  13. SELECT * FROM `article` WHERE `id` < 514593 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.012708s ]
  14. SELECT * FROM `article` WHERE `id` < 514593 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.004228s ]
  15. SELECT * FROM `article` WHERE `id` < 514593 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.004404s ]
0.213359s