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Graph-learning-assisted state estimation using sparse heterogeneous measurements

delete2024-10-01
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PRE
AI
Y
Yue Han
W
Wentao Zhang
U
Ugur Can Yilmaz
T
Tuna Yıldız
H
Heqing Huang
H
Hongfu Liu
Y
Yuzhang Lin
A
Ali Abur *
DOI:10.1016/j.epsr.2024.110644delete
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摘要

摘要

En 中文
Unlike transmission systems, distribution systems historically lack enough measurements, making their realtime monitoring almost impossible. Recent deployment of diverse types of devices such as phasor measurement units (PMUs), smart meters, solar inverters and weather information sensors opens up new ways of monitoring these systems, with the assistance of customized machine learning (ML) applications. The paper describes a grid-model-informed machine learning (ML) tool which integrates heterogeneous data streams and creates synchronous measurement snapshots to be used by a hybrid robust state estimator (SE) which provides not only accurate state estimates but also real-time feedback for ML model refinement. Improved monitoring performance due to the use of developed computational framework is experimentally observed by simulated scenarios on an electric utility's distribution system.
Keyword:
Distribution systems
Graph learning
Machine learning
Robust state estimation
System monitoring

期刊

Electric Power Systems Research 封面图
Electric Power Systems Research
IF:
4.2
论文数:
1.2W
被引数:
2.2W

机构

N
New York University
学者数:
4.4W
论文数: 3.9W
被引数: 5.8W
N
Northeastern University
学者数:
2.5W
论文数: 1.6W
被引数: 3.0W
B
Brandeis University
学者数:
4.0K
论文数: 3.8K
被引数: 5.3K
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