Zobrazeno 1 - 10
of 2 946
pro vyhledávání: '"surge arrester"'
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 26, Iss 3, Pp 96-107 (2024)
THE PURPOSE of the study is to study the problem of switching overvoltages in 10 kV generator networks. Using the Matlab Simulink package, create a model of common auxiliaries of a 10/0.4 kV power station, calculate the overvoltage at different secti
Externí odkaz:
https://doaj.org/article/824cebe30693404bae06d2e4ef649dea
Publikováno v:
IEEE Access, Vol 12, Pp 157487-157495 (2024)
Ultra high voltage (UHV) metal oxide arrester (MOA) is prone to problems such as resistance sheet aging and moisture exposure during long-term operation. Due to the larger size and more complex structure of the UHV arrester, the full current, resisti
Externí odkaz:
https://doaj.org/article/cf55cf58eab54742890893203d609198
Autor:
Marcel Antonionni de Andrade Romano, André Melo de Morais, Marcus Vinicius Alves Nunes, Kaynan Maresch, Luiz Fernando Freitas-Gutierres, Ghendy Cardoso, Aécio de Lima Oliveira, Erick Finzi Martins, Cristian Hans Correa, Herber Cuadro Fontoura
Publikováno v:
Energies, Vol 17, Iss 19, p 4921 (2024)
In this work, a new methodology is proposed for the online and non-invasive extraction of partial discharge (PD) pulses from raw measurement data obtained using a simplified setup. This method enables the creation of sub-windows with optimized size,
Externí odkaz:
https://doaj.org/article/413c35aa5ce74c449ae3720d6388dfc4
Publikováno v:
Applied Sciences, Vol 14, Iss 18, p 8319 (2024)
Hybrid DC circuit breakers combine mechanical switches with a redirecting current path, typically controlled by power electronic devices, to prevent arcing during switch contact separation. The authors’ past work includes a bipolar hybrid DC circui
Externí odkaz:
https://doaj.org/article/7b61be3950334fcfbc381518e27e5ecc
Autor:
Khodsuz, Masume, Mashayekhi, Valiollah
Publikováno v:
COMPEL -The international journal for computation and mathematics in electrical and electronic engineering, 2023, Vol. 42, Issue 6, pp. 1456-1476.
Publikováno v:
Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, Vol 14, Iss 1 (2024)
The electrical network is the set of elements where loads are connected to the generation plants by transmission lines. They can be either overhead or underground cables. A new technology has been introduced to replace these transmission lines with u
Externí odkaz:
https://doaj.org/article/dbbfc29b4697441b8430fa432728ea03
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
The lightning-induced voltage in 10-kV overhead distribution lines was calculated and analyzed using the Agrawal coupling model and second-order finite difference-time domain (FDTD) method. The influence of lightning position on lightning-induced vol
Externí odkaz:
https://doaj.org/article/e15c9e61c7604721bf1ff56013b09d68
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 41-47 (2023)
Overvoltage is a critical problem of Thailand’ distribution system. The electrical protection device in the distribution system needs to be able to support this level of overvoltage. In the distribution system connecting the Chachoengsao2 substatio
Externí odkaz:
https://doaj.org/article/c785b676a33b43ff93c1afcb6540b0b1
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5744 (2024)
The employment of a multi-column parallel connection is intended to enhance the energy absorption capability and reliability of surge arresters. However, the disparity in reference voltage between each varistor column and the uneven current distribut
Externí odkaz:
https://doaj.org/article/533e009df8f44f3881bb06e797f587fe
Publikováno v:
Technologies, Vol 12, Iss 6, p 88 (2024)
The application of arresters is critical for the safe operation of electric grids against lightning. Arresters limit the consequences of lightning-induced over-voltages. However, surge arrester protection in electric grids is challenging due to the i
Externí odkaz:
https://doaj.org/article/93719e6a53464b4490c2da658025153a