A5100703188- Power Transformer Diagnostics and Insulation
- High voltage insulation and dielectric phenomena
- Environmental Toxicology and Ecotoxicology
- Heavy metals in environment
- Lattice Boltzmann Simulation Studies
- High-Voltage Power Transmission Systems
- Pharmaceutical and Antibiotic Environmental Impacts
- Fault Detection and Control Systems
- Thermal Analysis in Power Transmission
- Pesticide and Herbicide Environmental Studies
- Advanced Algorithms and Applications
- Muscle activation and electromyography studies
- Mechanical stress and fatigue analysis
- Environmental and Agricultural Sciences
- Vacuum and Plasma Arcs
- 3D Shape Modeling and Analysis
- Advanced Sensor and Control Systems
- Engineering Applied Research
- Lightning and Electromagnetic Phenomena
- Machine Fault Diagnosis Techniques
- Environmental remediation with nanomaterials
- Advanced X-ray and CT Imaging
- Control Systems and Identification
- Environmental Quality and Pollution
- Chromium effects and bioremediation
North China Electric Power University
2015-2025
Southwest Jiaotong University
2007-2025
California Miramar University
2024
Shanghai Academy of Environmental Sciences
2012-2024
China Electric Power Research Institute
2015-2024
State Grid Corporation of China (China)
2021-2024
Peking University
2017-2024
China Academy of Space Technology
2023
Northeastern University
2020-2022
University of California, Irvine
2020-2022
Deep Implicit Functions (DIFs) represent 3D geometry with continuous signed distance functions learned through deep neural nets. Recently DIFs-based methods have been proposed to handle shape reconstruction and dense point correspondences simultaneously, capturing semantic relationships across shapes of the same class by learning a DIFs-modeled template. These provide great flexibility accuracy in reconstructing inferring correspondences. However, built from these do not intrinsically...
UHV DC dry-type bushings are the key component of converter station, with complex working conditions, precise structure and complicated production process. However, at present, application ratio casing is relatively low, lack engineering verification. The standard method can't completely test defects. Even passing IEC test, internal discharge may occur under long-term voltage. In this paper, insulation properties scaled model voltages investigated. Then effect temperature on radial field...
Quantum computing is a transformative technology with wide-ranging applications, and efficient quantum circuit generation crucial for unlocking its full potential. Current diffusion model approaches based on U-Net architectures, while promising, encounter challenges related to computational efficiency modeling global context. To address these issues, we propose UDiT,a novel U-Net-style Diffusion Transformer architecture, which combines U-Net's strengths in multi-scale feature extraction the...
In substation working environments, analog dial gauges are widely used for equipment monitoring. Accurate reading of values is crucial real-time understanding operational status and enhancing the intelligence operation maintenance. However, existing recognition algorithms face significant errors in complex scenarios struggle to adapt dials with different measurement ranges. To address these issues, this paper proposes an automatic method consisting two stages: segmentation recognition....
Insulation breakdown of dry-type valve-side bushing cores under electrothermal compound stress has become a key factor limiting the safe and stable operation converter transformer. Based on slices real core, it is observed for first time that fold, peeling off, fracture defects exist near aluminium (Al) foil edge, accompanied by many metal spikes with curvature radius <4 μm. Coupled capacitor screen thickness ∼2 mm, an electrical tree model designed to simulate insulation edges inside cores,...
Compared to bushings with lower voltage levels, the ±1100 kV converter valve‐side bushing has thicker radial insulation and longer axial resulting in a more uneven temperature distribution severe electric field distortion, especially under high‐ambient‐temperature high‐current conditions. Improving of electro‐thermal coupled is critical for safe operation transformers. This study discusses typical proposes new method evaluate conductivity multiple capacitor layers inhomogeneous temperatures....
This article reviews the typical faults of and detection methods for transformer bushings forecasts future trends transformer-bushing methods.
Abstract Ultra‐high voltage direct current (UHVDC) transmission project in China is expanding, and the technology increasingly maturing. The converter transformer a crucial component UHVDC projects, its valve‐side bushing plays key role ensuring stable operation of power system. This paper investigates electrical–thermal‐stress distribution characteristics contact strip an eccentric state. research focuses on section plug oil at tail end valve side converter. A three‐dimensional finite...
The smart grid is emerging as a future paradigm for power networks. While it has many successful applications, peer-to-peer trading in the local energy market (LEM) still challenging due to lack of security and mechanisms. In this paper, we design data-driven, secure, solution DS <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> address problem. We first propose five-layer LEM based on blockchain. then model cost minimization problem...
The temperature gradient and mismatching between the thermal expansion of core flange readily lead to cracks discharges on surface dry‐type valve‐side bushing, which severely impact safety power systems. It is vital clarify cracking risk bushing cores under gradients establish corresponding control methods. mechanical properties epoxy resin impregnated paper (ERIP) material were measured in this study at different temperatures, a thermal–mechanical coupling simulation model was established....
Excessive stress may lead to health problems like headache, trouble sleeping, depression and chronic diseases such as cardiovascular cerebrovascular diseases. In this paper we present deStress, the mobile remote monitoring, alleviation management system, whose features are: firstly it is wearable inexpensive, which uses only one monitor sensor a phone-based application (Android OS) stress. Secondly, deStress quantitatively assesses user's level continuously, not just classifies users into...
The stray losses calculation method proposed by the IEC 61378-2 standard is analyzed in this study. fundamental different currents and harmonic of TEAM Problem 21 Family members are to verify method. It shown that approximately proportional square current, but do not follow frequency power 0.8. typically produces large errors. A corrected thus study, which magnetic-field distribution considered. verified comparison with experimental results