Results 11 to 20 of about 5,287 (159)
Overvoltage and insulation coordination of flexible DC distribution network with DC circuit breaker
电力工程技术, 2023 With the continuous application and popularization of distributed energy, DC power distribution will become the mainstream form of future power distribution system.
LIU Shuhan +5 more
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Ain Shams Engineering Journal, 2023 The new extra high voltage overhead lines and substations have increased the overvoltage phenomenon in the electrical interconnected system, especially in high voltage circuit breakers operate in a failure condition.
Ricardo Manuel Arias Velásquez +1 more
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Research on optimisation of minimum air clearance of 1000 kV UHV AC substation
The Journal of Engineering, 2019 Based on air clearance discharge characteristic curve and insulation coordination method, it is pointed out that the minimum air clearance of 1000 kV ultra-high voltage (UHV) AC substation can be further optimised.
Li Zhenqiang +3 more
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Research on over-voltage characteristics of ultra high-voltage direct current transmission system
Energy Reports, 2022 Load dumping overvoltage has a significant effect on insulation coordination of direct current (DC) transmission system. Based on the PSCAD/EMTDC electromagnetic transient simulation programs, this paper has built the electromagnetic transient ...
Yingjin Li +6 more
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Further Research on Insulation Coordination of UHV Half-Wavelength Power Transmission Line
Zhongguo dianli, 2019 Ultra high voltage half wavelength transmission (UHV HWACT) is a kind of transmission mode with large capacity and long distance, which has the advantages that it is not necessary to install reactive compensation devices of the line and to build switch ...
Liuchun ZHANG
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Energies, 2020 Lightning stroke on a transmission tower structure is one of the major reasons that results in high voltages at the tower arms due to the excessive lightning current flowing through the transmission tower to earth.
Abdullah H. Moselhy +3 more
doaj +1 more source
Energy Reports, 2022 Accurately predicting the overvoltage level under typical faults and operating condition in the UHVDC (Ultra High Voltage DC) transmission project is not only beneficial to the insulation coordination design of the system, improving the security and ...
Yanli Li +6 more
doaj +1 more source
Non-uniform Pollution Method and Pollution Flashover Characteristics of Transmission Line Insulators
Zhongguo dianli, 2019 At present, pollution of insulators in artificial contamination test is done by uniform smearing, but natural pollution, affected by wind, raining, insulator shape, pollution, pollutant particle size and other factors, is a non-uniform accumulation on ...
Qin LIU, Yiwen WANG
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Insulation co-ordination and the enlargement law for the GM counter tube [PDF]
Nuclear Technology and Radiation Protection, 2016 In this paper we analyze application of contemporary methods of insulation co-ordination and the enlargement law in designing a GM counting tube.
Dolićanin Edin Ć. +3 more
doaj +1 more source
Assessment of Insulation Coordination and Overvoltage for Utility Girds Integrated with Solar Farms
EnergiesDue to the economic and environmental concerns associated with fossil fuels, many government and private organizations are progressively shifting towards the integration of solar farms with Utility Grids.
Mansoor Soomro +4 more
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