Results 61 to 70 of about 30,341 (295)
Partial discharges measurement by UHF method [PDF]
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2020 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
doaj
IEEE 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
High Voltage, Volume 10, Issue 2, Page 243-278, April 2025.Abstract Surface flashover is a gas–solid interface insulation failure that significantly jeopardises the secure operation of advanced electronic, electrical, and spacecraft applications. Despite the widespread application of numerous material modification and structure optimisation technologies aimed at enhancing surface flashover performance, the ...
Zhen Li +4 more
wiley +1 more source
Seismic evaluation of ±800 kV UHVDC disconnect switch by shake table test
The 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
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Restrike characteristics of vacuum circuit breaker in its opening process under DC voltage
IET Science, Measurement & Technology, 2023 The restrike of vacuum circuit breaker during the breaking process causes overvoltage and intensifies the insulation deterioration of high‐voltage equipment. To solve this problem, the vacuum breaker aging test method and the restrike characteristics are
Jixing Sun +8 more
doaj +1 more source
Temperature rise characteristics of C5F10O/CO2 gas mixture AC high voltage switch bus
High Voltage, Volume 10, Issue 2, Page 325-336, April 2025.Abstract C5F10O/CO2 gas mixture is one of the most promising alternatives to SF6 as an insulating gas in high‐voltage switchgear. As a key performance index in product design, the temperature rise characteristics are rarely reported. In this paper, the thermodynamic parameters of C5F10O/CO2 gas mixture were calculated first. Then, the calculation model
Zhaoxuan Cui +5 more
wiley +1 more source
High VoltageAccurate calculation of short‐circuit electromagnetic force is crucial for both mechanical strength check and the optimal design of gas‐insulated transmission lines (GIL).
Shucan Cheng +3 more
doaj +1 more source
High Voltage, Volume 10, Issue 2, Page 451-457, April 2025.Abstract In the electric power equipment industry, various insulating materials and accessories are manufactured using petroleum‐based epoxy resins. However, petrochemical resources are gradually becoming limited. In addition, the global surge in plastic usage has consistently raised concerns regarding greenhouse gas emissions, leading to worsening ...
Chanyong Lee +3 more
wiley +1 more source
STUDI TENTANG SISTEM INTERLOCKING PADA GAS INSULATED SWITCHGEAR(GIS) 500 KV DI PLTU PAITON UNIT 7 DAN 8 [PDF]
, 2010 Electrical energy is one of energy that has the role in all sectors so that the availability of power required by large amount as well as sustainable. PLTU Paiton Unit 7 and 8 is one of the private power company that attempts to meet the high demand for ...
., Jasmadi +4 more
core
MATEC Web of Conferences, 2015 The paper intends to give an overview of a computer-aided design program application. The research includes two main parts: the development of a computer-aided design for an appropriate switchgear selection and its arrangement in an indoor switchgear ...
Chernaya Anastassiya, Sokolova Elvira
doaj +1 more source