月刊
ISSN 1000-7229
CN 11-2583/TM
电力建设 ›› 2024, Vol. 45 ›› Issue (5): 48-58.doi: 10.12204/j.issn.1000-7229.2024.05.006
• 大模型小样本条件下新能源规划设计与优化运行技术·栏目主持 葛磊蛟副教授、孙铭阳教授、郑锋副教授、黄文焘副教授· • 上一篇 下一篇
陈子靖1, 蒋金琦1, 赵健1(), 杨德格2, 胡陈晨2, 张凯3
收稿日期:
2023-11-24
出版日期:
2024-05-01
发布日期:
2024-04-29
通讯作者:
赵健(1990),男,博士,教授,主要研究方向为智能配用电、灵活性资源调度、分布式发电管控等,E-mail:zhaojianee@foxmail.com。作者简介:
陈子靖(1999),男,硕士研究生,主要研究方向为低压配电网负荷建模;基金资助:
CHEN Zijing1, JIANG Jinqi1, ZHAO Jian1(), YANG Dege2, HU Chenchen2, ZHANG Kai3
Received:
2023-11-24
Published:
2024-05-01
Online:
2024-04-29
Supported by:
摘要:
低压配电网分类有利于提高低压配电网经济运行管理措施及新能源规划运行方案制定的效率。随着各类新能源、充电桩等新型源荷的不断接入,低压配电网原有负荷特征发生变化,一方面导致配电网负荷特征复杂,另一方面导致变化后可用的新负荷特征数据较少,给配电网分类带来挑战。针对以上挑战,提出一种基于卷积自编码器和模型不可知元学习(convolutional neural network-auto encoder-model agnostic meta learning, CNN-AE-MAML)的低压配电网自适应分类方法。首先,利用卷积自编码器(convolutional neural network auto encoder, CNN-AE)提取可表征低压配电网的配变负荷、光伏发电特征,采用谱聚类(spectral clustering, SC)对低压配电网进行分类;然后,构建基于softmax配电网类型识别方法,利用低压配电网实际数据的降维特征识别配电网类型;此外,利用模型不可知元学习(model-agnostic meta-learning, MAML)方法训练CNN-AE特征提取模型,使CNN-AE模型在少量数据下能自适应提取配电网新负荷特征,最终实现低压配电网准确、快速自适应分类。最后,利用低压配电网实际数据验证了所提方法的有效性。
中图分类号:
陈子靖, 蒋金琦, 赵健, 杨德格, 胡陈晨, 张凯. 基于CNN-AE-MAML的低压配电网自适应分类方法[J]. 电力建设, 2024, 45(5): 48-58.
CHEN Zijing, JIANG Jinqi, ZHAO Jian, YANG Dege, HU Chenchen, ZHANG Kai. Adaptive Classification Method of Low Voltage Distribution Network Based on CNN-AE-MAML[J]. ELECTRIC POWER CONSTRUCTION, 2024, 45(5): 48-58.
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