Results 41 to 50 of about 22,491 (267)
Gas-filled switchgear is widely used in high altitude areas of China due to its wide adaptability and high reliability. Due to the reduction of atmospheric pressure in high altitude areas, the air cooling capacity is reduced, so the gas-filled switchgear
WANG Hao +5 more
doaj +1 more source
Practical applications of data mining in plant monitoring and diagnostics [PDF]
Using available expert knowledge in conjunction with a structured process of data mining, characteristics observed in captured condition monitoring data, representing characteristics of plant operation may be understood, explained and quantified ...
McArthur, Stephen D. J. +2 more
core +1 more source
800 kV Fast Circuit Breaker: Mechanical Coupling Modelling, Buffer Design and Development
ABSTRACT The 800 kV fast circuit breaker (CB) used in ultra‐high voltage (UHV) converter transformer can reduce the total breaking time to 25 ms. It significantly improves the action speed and breaking capacity of the CB, with promising broad application prospects.
Enyuan Dong +6 more
wiley +1 more source
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
RAGLRO: Retrieval‐Augmented Generation With Large Language Models for Robotic Operations
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
Multiterminal High‐Voltage Direct Current Projects: A Comprehensive Assessment and Future Prospects
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
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
Seismic evaluation of ±800 kV UHVDC disconnect switch by shake table test
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
ABSTRACT The breakdown characteristics of the novel eco‐friendly insulating gas CF3SO2F are fundamental to the design of gas‐insulated equipment. In this paper, the gas mixture parameters for CF3SO2F were optimised for different ambient temperatures in order to ascertain the insulation performance and liquefaction temperature constraints.
Shubo Ren +5 more
wiley +1 more source
Partial discharges measurement by UHF method [PDF]
The unconventional UHF (Ultra High Frequency) method of measuring partial discharges (PD) is based on measuring electromagnetic waves (EM) in the UHF frequency band (300-3000) MHz, using appropriate antennas.
Malešević Nevena +3 more
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