Results 11 to 20 of about 6,253,580 (242)
UHF diagnostic monitoring techniques for power transformers [PDF]
, 2004 This paper initially gives an introduction to ultra-high frequency (UHF) partial discharge monitoring techniques and their application to gas insulated substations.
Bennoch, C.J. +3 more
core +3 more sources
Feasibility of C(3)F(7)CN/CO(2) gas mixtures in high-voltage DC GIL: a review on recent advances
High Voltage, 2020 With the rise of renewable energy resources, especially offshore wind power plant, the DC transmission concept has attracted more and more attention.
Youping Tu +8 more
doaj +1 more source
Field Analysis of SF(6) Gas Insulated Cables and Its Application to Spacer Design [PDF]
, 1974 This paper describes the spacer design for SF(6) gas insulated cables. The maximum electric stress within the cable is calculated by a numerical method, and it is recognized that the breakdown voltage depends linearly on the calculated values.
Yamamoto, Hideki +2 more
core +1 more source
Designing HVDC GIS/GIL spacer to suppress charge accumulation
High Voltage, 2022 To suppress the charge accumulation on the spacer surface in direct current (DC) gas insulated transmission line (GIL) is an important and emergent issue for the development of a clean, safe and economic smart grid.
Zuodong Liang +10 more
doaj +1 more source
Energies, 2023 Air gap defects inside a spacer reduce its insulation performance, resulting in stress concentration, partial discharge, and even flashover. If such gap defects are located at the interface between the insulation and conductor, a decrease in mechanical ...
Yuan Deng +6 more
doaj +1 more source
Plasma fluorination on epoxy resin surface and its effect on flashover properties
AIP Advances, 2021 Epoxy resin is the main material of spacer in a gas insulated transmission line and other gas-insulated equipment. During long-term operation, the charge accumulates on the surface of the epoxy resin, which will distort the electric field and thus ...
Zhenyu Zhan +6 more
doaj +1 more source
China’s 10-year progress in DC gas-insulated equipment: From basic research to industry perspective
iEnergy, 2022 The construction of the future energy structure of China under the 2050 carbon-neutral vision requires compact direct current (DC) gas-insulation equipment as important nodes and solutions to support electric power transmission and distribution of long ...
Chuanyang Li +26 more
doaj +1 more source
The Attenuation and Propagation Law of Ultrasonic Wave in UHV Gas Insulated Line
IEEE Access, 2020 Gas insulated transmission line (GIL) is widely used for power transmission in special geographical environment such as river crossing, mountain crossing and city tunnel crossing scenarios.
Ye Fei +6 more
doaj +1 more source
Characterizing the Steady-State Performance of AC Lines Through a Dimensionless Universal Model
IEEE Access, 2022 This paper revisits the AC power line model. Based solely on three dimensionless parameters, a universal electrical model is first developed, which is valid for any kind of power line (overhead, underground/submarine or gas insulated), irrespective of ...
Pedro Cruz-Romero +2 more
doaj +1 more source
Study on the Gas-Insulated Line Equivalent Model and Simplified Model
Energies, 2017 The gas-insulated line (GIL) is one technical solution to allow the transmission of electricity underground at a high voltage level, yet its equivalent model is quite complicated.
Botong Li +3 more
doaj +1 more source