Jinjin Li

ORCID: 0000-0002-0945-2252
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About
Contact & Profiles
Research Areas
  • Vacuum and Plasma Arcs
  • High voltage insulation and dielectric phenomena
  • Power Line Inspection Robots
  • Vehicle License Plate Recognition
  • HVDC Systems and Fault Protection
  • Thermal Analysis in Power Transmission
  • Plasma Diagnostics and Applications
  • Magnetic Field Sensors Techniques
  • Industrial Vision Systems and Defect Detection
  • Advanced Measurement and Detection Methods
  • Electrical Fault Detection and Protection

Dalian Jiaotong University
2024-2025

Dalian University of Technology
2022

A circuit breaker is a crucial component in power systems, and its operation essential for evaluating interruption performance. However, electromagnetic interference often affects sensor accuracy. To address this issue, paper investigates non-contact measurement technique assessing the motion characteristics of breakers. detection method based on Franklin moments proposed. synchronous image acquisition platform was established using high-speed cameras to capture 252kV The captured images are...

10.1371/journal.pone.0312253 article EN cc-by PLoS ONE 2025-02-03

Improving the accuracy and detection speed of bolt recognition under complex background train underframe is crucial for safety operation. To achieve efficient detection, a lightweight method based on SFCA-YOLOv8s proposed. The images are captured by self-designed track-based inspection robot, dataset constructed mixing simulated platform with real images. By combining C2f module ScConv convolution replacing Bottleneck structure Faster_Block structure, SFC2f designed feature extraction to...

10.3390/machines12100714 article EN cc-by Machines 2024-10-09

It is a valuable subject for academic community how to limit the short-circuit current within breaking capacity of breakers at all levels. Liquid metal limiter (LMCL) can tackle this challenge with its unique advantages. However, liquid and cavity existing LMCL are severely eroded, which limits application. From perspective increasing response speed, improving current-limiting efficiency, reducing erosion, article designs three LMCLs polymethyl methacrylate (PMMA) material, ZnO pulse power...

10.1109/tps.2022.3192564 article EN IEEE Transactions on Plasma Science 2022-08-05
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