Results 41 to 50 of about 5,269 (164)

PSMG switchgear seismic analysis [PDF]

open access: yes, 1977
LOFT primary coolant system motor generator (PSMG) switchgear boxes were analyzed for sliding and overturning during a seismic event. Boxes are located in TAN-650, Room B-239, with the PSMG generators.
Kuehster, C. J.
core   +1 more source

Audio General Recognition of Partial Discharge and Mechanical Defects in Switchgear Using a Smartphone

open access: yesApplied Sciences, 2023
Mechanical defects and partial discharge (PD) defects can appear in the indoor switchgear of substations or distribution stations, making the switchgear a safety hazard. However, traditional acoustic methods detect and identify these two types of defects
Dongyun Dai   +5 more
doaj   +1 more source

Comparative Evaluation of Optimisation Algorithms for Artificial Neural Network‐Based Classification of Partial Discharge Defects in Generator Stator Windings

open access: yesEngineering Reports, Volume 8, Issue 6, June 2026.
This study presents a framework for Partial Discharge (PD) recognition. The process involves generating PD signals using IDS, followed by data augmentation and denoising. Key features are extracted to train an Artificial Neural Network (ANN) model, enabling the accurate classification and identification of specific PD patterns in electrical insulation ...
Isara Sornsen   +2 more
wiley   +1 more source

RAGLRO: Retrieval‐Augmented Generation With Large Language Models for Robotic Operations

open access: yesCAAI Transactions on Intelligence Technology, Volume 11, Issue 2, Page 385-395, April 2026.
ABSTRACT To enable autonomous operations in complex industrial environments, this paper proposes retrieval‐augmented generation with large language models for robotic operations (RAGLRO), a robotic framework specifically designed for power switchgear operation tasks.
Wenrui Wang   +6 more
wiley   +1 more source

Seismic capacity of switchgear [PDF]

open access: yes, 1989
As part of a component fragility program sponsored by the USNRC, BNL has collected existing information on the seismic capacity of switchgear assemblies from major manufacturers.
Bandyopadhyay, K.   +3 more
core  

Multiterminal High‐Voltage Direct Current Projects: A Comprehensive Assessment and Future Prospects

open access: yesHigh Voltage, Volume 11, Issue 2, Page 317-344, April 2026.
ABSTRACT Multiterminal high‐voltage direct current (MT‐HVDC) systems are an important part of modern power systems, addressing the need for bulk power delivery and efficient renewable energy integration. This paper provides a comprehensive overview of recent advances in MT‐HVDC technology, including launched projects and ongoing initiatives.
Mohammad Hossein Mousavi   +3 more
wiley   +1 more source

Detecting surface discharge faults in switchgear by using hybrid model

open access: yes, 2023
Switchgear plays a crucial role in power systems, providing protection and control over electrical equipment. However, tracking (surface discharge) can lead to insulation degradation and switchgear failure, necessitating reliable and effective ...
Chong Tak Yaw   +9 more
core   +1 more source

Seismic evaluation of ±800 kV UHVDC disconnect switch by shake table test

open access: yesThe Journal of Engineering, 2019
Disconnect switches, the widely used electrical substation apparatuses, however, were severely damaged in several earthquakes, causing huge economic losses.
Jiayi Wen, Qiang Xie
doaj   +1 more source

Investigation of the Impact of XLPE Cable Ageing on Impedance Mismatch Characteristics and Unbalanced Behaviour in Hybrid Operation Systems

open access: yesHigh Voltage, Volume 11, Issue 2, Page 544-555, April 2026.
ABSTRACT In the Hainan–Guangdong interconnection project, oil leakage in oil‐filled cables required replacing the faulty core with a single core from a three‐core cross‐linked polyethylene (XLPE) cable, leading to mixed operation of XLPE and oil‐filled cables.
Liang Zou   +4 more
wiley   +1 more source

Polyhedron circuit topology switchgear as a novel complex solution

open access: yes, 2023
The paper offers and analyzes a new complex solution – open switchgear with polyhedron circuit topology, with novel circuit and arrangement approaches including new electrical equipment.
Nikolai Grinev
core   +1 more source

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