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Graph convolutional network-based aggregated demand response baseline load estimation

delete2022-07-01
delete12
PRE
AI
P
Peng Tao
徐飞 封面图
徐飞 (Fei Xu)
张超 封面图
张超 (Chao Zhang)
K
Kangping Li
F
Fei Wang *
DOI:10.1016/j.energy.2022.123847delete
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摘要

摘要

En 中文
Accurate aggregated baseline load (ABL) estimation is very important for the demand response (DR) compensation settlement between system operators and DR aggregators. Current ABL estimation methods totally ignore the spatial correlation between load patterns of different customers, which will lead to large errors when the load pattern on the DR event day fluctuates largely compared with that in historical days. To this end, this paper proposes a Graph Convolutional Network (GCN)-based ABL estimation method to improve the estimation accuracy. The basic idea is to enhance the estimator's ability to capture load uncertainty by sharing load fluctuation information between different customers. The proposed method contains three main steps: First, all customers are grouped into different clusters by the K-means algorithm according to their historical typical load patterns (TLPs). Second, these clusters are transformed into an undirected graph based on an adjacency matrix reflecting the spatial correlations, which are constructed according to the difference between the TLPs in different clusters. Third, the ABL estimation is transformed into a node regression problem of the graph. Case studies on a real load dataset verify the effectiveness and superiority of the proposed method.(c) 2022 Elsevier Ltd. All rights reserved.
Keyword:
Demand response
Aggregated baseline load
Graph convolutional network
Adjacency matrix
Spatial correlation

期刊

Energy 封面图
Energy
IF:
9.4
论文数:
4.2W
被引数:
20.2W

机构

T
tsinghua university
学者数:
11.9W
论文数: 10.0W
被引数: 137
S
State Grid Corporation of China
学者数:
6.5K
论文数: 5.2K
被引数: 1.7K
N
north china electric power university
学者数:
2.5W
论文数: 1.7W
被引数: 16
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