Results 61 to 70 of about 31,506 (294)

Real-Time Monitoring of High Voltage Switch Based on CAD

open access: yesAdvances in Multimedia, 2022
In the process of online real-time monitoring of intelligent digital filter high-voltage switchgear, the mechanical state diagnosis of high-voltage circuit breaker is based on fully understanding the mechanical characteristics of each component of ...
Long Di   +5 more
doaj   +1 more source

Estimate the Temperature Rise of Medium Voltage Metal Enclosed Switchgear by Simplified Heat Transfer Calculations

open access: yesIEEE Transactions on Power Delivery, 2021
Electrical equipment will experience a rise in temperature during normal operation. During a development process, prototypes and laboratory tests will be required to make sure the temperature rises are within acceptable limits as defined by standards ...
E. Fjeld   +3 more
semanticscholar   +1 more source

A review of advanced acoustic‐chemical‐optical partial discharge monitoring techniques for ultra‐high‐voltage gas‐insulated equipment

open access: yesHigh Voltage, Volume 10, Issue 4, Page 787-806, August 2025.
Abstract Partial discharge (PD) detection is considered one of the most crucial and effective methods for identifying defects in electrical equipment. Consequently, investigating advanced and efficient PD monitoring techniques is essential for the development of gas‐insulated equipment (GIE) and the construction of ultra‐high‐voltage (UHV) networks ...
Xianhao Fan   +15 more
wiley   +1 more source

Design of a New Built-in UHF Multi-Frequency Antenna Sensor for Partial Discharge Detection in High-Voltage Switchgears

open access: yesSensors, 2016
In this study a new built-in ultrahigh frequency (UHF) antenna sensor was designed and applied in a high-voltage switchgear for partial discharge (PD) detection.
Xiaoxing Zhang, Zheng Cheng, Yingang Gui
doaj   +1 more source

SF6-Free Gas-Insulated Switchgear: Current Status and Future Trends

open access: yesIEEE Electrical Insulation Magazine, 2021
This article provides an overview of research on SF6 replacement gases for electric power equipment, of existing SF6-free technologies, and of worldwide developments in legislation to support these new technologies.
C. Franck, A. Chachereau, J. Pachin
semanticscholar   +1 more source

Gas‐insulated switchgear partial discharge classification method based on deep transfer learning using experimental and field data

open access: yesHigh Voltage, Volume 10, Issue 4, Page 845-855, August 2025.
Abstract Gas‐insulated switchgear (GIS) plays a critical role in ensuring the reliability of power systems, but partial discharge (PD) is a primary cause of failures within GIS equipment. Traditional PD diagnostic methods rely heavily on laboratory data, which differ significantly from that under the complex conditions of field data, leading to a ...
Xutao Han   +6 more
wiley   +1 more source

Research of the Power Plant Operational Modes [PDF]

open access: yes, 1995
In this article the algorithm of the power plant operational modes research is offered. According to this algorithm the program for the modes analysis and connection power transformers choice is developed. The program can be used as educational means for
Auer, Holger   +7 more
core   +3 more sources

Full Life Cycle Carbon Emission Accounting of the Power System: A Case Study of a Typical 500 kV Substation

open access: yesCarbon Neutralization, Volume 4, Issue 4, July 2025.
A carbon emission accounting model for the full life cycle of a typical substation is constructed, providing a theoretical basis to formulate scientific and reasonable emission reduction targets and policies. ABSTRACT Against the backdrop of global efforts in energy conservation and emission reduction, substations, as a crucial platform for the ...
Xiaoqin Zhang   +4 more
wiley   +1 more source

Application of multiple resistive superconducting fault-current limiters for fast fault detection in highly interconnected distribution systems [PDF]

open access: yes, 2013
Superconducting fault-current limiters (SFCLs) offer several benefits for electrical distribution systems, especially with increasing distributed generation and the requirements for better network reliability and efficiency.
Blair, Steven Macpherson   +3 more
core   +1 more source

Partial Discharge Fault Detection of Substation GIS Based on CEEMDAN Fusion Processing Algorithm of Multi‐Frequency Signals

open access: yesEngineering Reports, Volume 7, Issue 6, June 2025.
This article proposes a method for detecting partial discharge faults in substation GIS based on multi frequency signal CEEMDAN fusion processing algorithm. The main innovations are as follows: (1) Data acquisition and signal enhancement aspects. Segmented data collection: By analyzing the state structure of typical GIS partial discharge faults, the ...
Yuan Sun, Hao Xie, Li Chang
wiley   +1 more source

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