Architecture and Application of Digital Twin Driven Composite Data Augmentation for In-service Power Equipment
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Architecture and Application of Digital Twin Driven Composite Data Augmentation for In-service Power Equipment
Automation of Electric Power SystemsPages: 1-9(2026)
作者机构:
1.上海交通大学电子信息与电气工程学院,上海市 201100
2.国网重庆市电力公司电力科学研究院,重庆市 404100
3.国网上海市电力公司浦东供电公司,上海市 200122
作者简介:
基金信息:
National Natural Science Foundation of China(T2541020);Key Project of Shanghai Municipal Commission of Housing and Urban-Rural Development(2024-Z03-003)
BU Yikang,HE Xing,ZHONG Jiayong,et al.Architecture and Application of Digital Twin Driven Composite Data Augmentation for In-service Power Equipment[J/OL].Automation of Electric Power Systems, http://dx.doi.org/10.7500/AEPS20251108003.
BU Yikang,HE Xing,ZHONG Jiayong,et al.Architecture and Application of Digital Twin Driven Composite Data Augmentation for In-service Power Equipment[J/OL].Automation of Electric Power Systems, http://dx.doi.org/10.7500/AEPS20251108003.DOI:
Architecture and Application of Digital Twin Driven Composite Data Augmentation for In-service Power Equipment
although the digital twin technology is regarded as a key enabler for the digital transformation of operation and maintenance of in-service power equipment
it is still restricted by deep-seated structural barriers at the data layer in the engineering application. To tackle the above problem
this paper proposes a digital twin driven composite data augmentation architecture integrating physical mechanisms and generative artificial intelligence. The architecture constructs a physics-prior-guided virtual-real symbiotic data base. It adopts high-fidelity multi-physics field simulation to deduce the evolution law of faults
and introduces graph structures to realize physical topology alignment and consistency checking of multimodal heterogeneous data. On this basis
a spatio-temporal coordinated information enhancement strategy is designed. Generative adversarial networks are adopted to capture the temporal dynamic characteristics of equipment operating states
and spatial reconstruction networks are used to establish nonlinear mappings from sparse measuring points to full-domain physical fields
so as to systematically fill data discontinuities. The empirical research targeting typical leakage scenarios of gas-insulated transmission line tunnels demonstrates that the proposed method can effectively break through the constraints of insufficient sensing conditions of in-service equipment
greatly boost the accuracy and cross-domain generalization ability of downstream intelligent diagnosis models
and build a reliable data base to promote digital twins to shift from theoretical frameworks to practical engineering practice.
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