Results 31 to 40 of about 127 (119)

Integrated Design of 12 kV Intelligent Ring Main Unit With Multi‐Model Fusion and Fault Diagnosis Method

Engineering Reports, Volume 8, Issue 1, January 2026.
This article proposes an integrated design method for a 12 kV intelligent ring main unit and constructs a fault diagnosis and isolation model. Firstly, building an integrated hardware platform can significantly improve perception speed and fusion potential.
Rongrong Shan, Jieyun Qiu, Dong Han
wiley   +1 more source

Power Line Communication as a Sensor: Medium Voltage Cable Diagnostics

IET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
This article investigates the use of broadband power line (BPL) communication as a diagnostic tool for medium‐voltage cables. Experimental results show that BPL modem parameters change in the presence of partial discharges, enabling real‐time monitoring of insulation health and supporting predictive maintenance.
Lukas Benesl, Petr Mlynek, Michal Krbal, Martin Rusz, Petr Musil, Jiri Misurec, Jan Slacik   +6 more
wiley   +1 more source

Partial discharge and interference discrimination in gas-insulated systems using electric and magnetic sensors

International Journal of Electrical Power & Energy Systems
The correct identification of partial discharges (PDs) is instrumental for the maintenance plan in gas-insulated systems (GIS). However, onsite PD measurements are difficult, especially in HVDC systems, where partial discharges can be confused with ...
Christian Mier, Armando Rodrigo Mor, Tianming Luo, Peter Vaessen   +3 more
doaj   +1 more source

When the Extreme Events Hit – Rethinking Power System Resilience Through Meteorology, AI, Data Centers, and Beyond

IET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
Low‐probability but high‐impact events pose growing risks to power system security, particularly in renewable‐rich and highly digitalised electricity systems, affecting generation, networks, loads, and cyber‐communication layers. This paper reviews power system resilience issues and potentials, highlighting the role of meteorological factors, advanced ...
Jin Zhao, Xi Wang, Xuzhe Song, Yang Shen
wiley   +1 more source

A Practical Optimisation Strategy for Transmission Line Tower Spotting Considering Terrain Features

IET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
1. Propose a terrain‐feature‐based candidate point selection method to reduce the search space in complex terrain. 2. Develop a full‐process optimisation strategy that decouples tower spotting and tower height adjustment. 3. Validate the proposed method through a real‐world large‐scale transmission line project.
Dongrui Li, Lin Zhu, Nan Ye, Zhiwei Liang, Yang Liu   +4 more
wiley   +1 more source

Trends in Measuring Instrument Transformers for Gas-Insulated Switchgears: A Review

Energies
Voltage and current measurements in high-voltage substations are fundamental for stable operation. Conventional instrument transformers (ITs) face challenges in gas-insulated switchgears (GISs), such as size, weight, accuracy limitations, and behavioral ...
Dong-Eon Kim, Gyeong-Yeol Lee, Gyung-Suk Kil, Sung-Wook Kim   +3 more
doaj   +1 more source

Accurate Harmonic Voltage Measurement Based on Series Resistive‐Capacitive Divider for Gas‐Insulated Switchgear

IET Science, Measurement &Technology, Volume 20, Issue 1, January/December 2026.
A series resistive‐capacitive divider for harmonic voltage measurement of gas‐insulated switchgear was studied. It can step down the voltage while amplifying the proportion of harmonics in the total sensed voltage, thereby increasing the significant figure for the measurement and enabling the accurate measurement of high‐order, low‐amplitude harmonics.
Huizhong Pang, Ruiting He, Fei Liang, Yue Li, Huisi Liu, Wenbo Zhou, Binxian Lu   +6 more
wiley   +1 more source

Application of T&D Circuit Segmentation for Improved Resilience—A Texas Case Study

The Journal of Engineering, Volume 2026, Issue 1, January/December 2026.
ABSTRACT Several lessons were learned from the post‐analysis of 2021 Winter Storm Uri's devastating impact on Texas's electricity grids. Among the lessons was the need for greater granularity and flexibility in how Texas electricity utilities shed load during emergencies, as directed by the local Independent System Operator (ISO), while protecting ...
Sarat Chandra Vegunta, Nelson Bacalao, Giovani Sasso Scarpati, Ram Nath   +3 more
wiley   +1 more source

Simulation Study on the Calibration of UHF Sensor for GIS Partial Discharge Detection Based on Noise Interference

IEEE Access
The Ultra-High Frequency (UHF) method is widely used for live detection of partial discharge in GIS (Gas Insulated Switchgear). To ensure the accuracy of the detection results, it is necessary to regularly calibrate the performance of UHF sensors ...
Tian Tian, Xiu Zhou, Yukun Ma, Jin Bai, Bo Niu, Zixi Zhu, Chang Xu, Chunxu Fang   +7 more
doaj   +1 more source

Research Status of Substation Vulnerability Under the Coupling Effect of Earthquake and Strong Wind

Advances in Civil Engineering, Volume 2026, Issue 1, 2026.
With the progressive advancement of China’s power industry toward higher voltage levels and larger capacity, substations have become critical infrastructures whose resilience to natural disasters requires urgent enhancement. In particular, under the coupled effects of multiple hazards such as earthquakes and strong winds, the optimization of substation
Yihua Gao, Hong Liu, Yijie Wang, Bo Wen, Jiajun Fu, Yi Shan   +5 more
wiley   +1 more source