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
卜艺康(2002—),男,硕士研究生,主要研究方向:复杂系统背景下对电力设备的数字孪生建模、数据赋能与异常指标构建。E-mail:yikang_bu@163.com
贺兴(1986—),男,通信作者,博士,副研究员,博士生导师,主要研究方向:电力时空大数据分析与能源系统数字孪生技术。E-mail:hexing_hx@126.com
钟加勇(1981—),男,博士,正高级工程师,博士生导师,主要研究方向:电网数字化与数字孪生技术。E-mail:liaozhong10000@163.com
收稿:2025-11-08,
修回:2026-04-24,
网络首发:2026-07-28,
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卜艺康,贺兴,钟加勇等.数字孪生驱动的在役电力设备复合数据增强架构及应用[J/OL].电力系统自动化, 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.
卜艺康,贺兴,钟加勇等.数字孪生驱动的在役电力设备复合数据增强架构及应用[J/OL].电力系统自动化, http://dx.doi.org/10.7500/AEPS20251108003. DOI:
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:
当前,数字孪生技术虽被视为在役电力设备运维数字化转型的关键引擎,但在工程实践中仍受制于数据层级的深层结构性障碍。鉴于此,提出一种融合物理机理与生成式人工智能的数字孪生驱动复合数据增强架构。该架构构建了物理先验引导的虚实共生数据基座,通过高保真多物理场仿真推演故障演化规律,并引入图结构实现多模态异构数据的物理拓扑对齐与一致性校核。在此基础上,设计时空协同的信息增强策略,利用对抗生成网络捕捉设备状态的时序动力学特征,并通过空间重建网络建立稀疏测点至全域物理场的非线性映射,从而系统性填补数据断层。面向气体绝缘输电线路管廊泄漏典型场景的实证研究表明,所提方法能有效突破在役设备感知基础薄弱的限制,显著提升下游智能诊断模型的准确率与跨域泛化能力,为数字孪生从理论框架走向工程实践构建了可信的数据底座。
Currently
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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