Zobrazeno 1 - 10
of 713
pro vyhledávání: '"ATP-EMTP"'
Autor:
Abdelrahman Said, Mohamed H. Saad, Sh. M. Eladl, Z. M. Salem Elbarbary, Ahmed I. Omar, M. Attya Saad
Publikováno v:
IEEE Access, Vol 11, Pp 3955-3969 (2023)
Faults can seriously damage high-voltage (HV) power systems, particularly if they occur on the long overhead transmission line (OHTL) that connects the nuclear power plant (NPP) to the electrical grid. Finding OHTL problems quickly and accurately is
Externí odkaz:
https://doaj.org/article/d076c10966da49e7b98cb632cf69f12e
Publikováno v:
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", Vol 2022, Iss 32, Pp 27-41 (2022)
During its operation, electrical equipment is constantly exposed to overvoltages of various waveforms, such as lightning discharges, switching operations, faults, etc. Therefore, adequate selection of overvoltage protection and equipment insulation w
Externí odkaz:
https://doaj.org/article/b3d9e6fb14404f9c88126e55b56941d5
Publikováno v:
IEEE Access, Vol 10, Pp 116642-116649 (2022)
In order to improve the operational safety and stability of power cables, it is necessary to conduct targeted research on different grounding modes. Firstly, the appropriate cable parameters were selected according to the specific use, and the model
Externí odkaz:
https://doaj.org/article/f3a04ed27a99474a9c3bd6a21f89f96b
Publikováno v:
IEEE Access, Vol 10, Pp 70126-70142 (2022)
Worldwide, Nuclear Power Plants (NPPs) must have higher security protection and precise fault detection systems, especially underground power cable faults, to avoid causing national disasters and keep on safe national ratios of electricity production
Externí odkaz:
https://doaj.org/article/efea6fc955de42c5af0498642a748995
Publikováno v:
Engineering, Technology & Applied Science Research, Vol 12, Iss 5 (2022)
When putting any unloaded transformer into service, a high-value current that can be very dangerous, called the inrush current, appears. The latter may cause problems and consequences in the electrical system. The challenges of visualizing the effect
Externí odkaz:
https://doaj.org/article/5250f07e48334dfba04bd616d0ceade6
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Publikováno v:
南方能源建设, Vol 8, Iss 2, Pp 78-84 (2021)
[Introduction] The safe and stable operation of UHV transmission lines is essential to the safety of power grids. When the new substation deconstructs the original long line in the power grid planning and construction, the following problems, such as
Externí odkaz:
https://doaj.org/article/d7841260e08b47eebf89a502f9609976
Publikováno v:
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", Vol 31, Iss 31, Pp 1-12 (2021)
The paper analyzes the possibility of using the Heidler function in programs for electromagnetic transients. The parameters of the Heidler function are calculated for various standard waveforms, where greater accuracy is shown for certain waves than
Externí odkaz:
https://doaj.org/article/d985c0213b4c4a03a6919589afb42ffc
A New Method of Fault Localization for 500 kV Transmission Lines Based on FRFT-SVD and Curve Fitting
Publikováno v:
Energies, Vol 16, Iss 2, p 758 (2023)
The paper presents the Fractional Fourier Transform-Singular Value Decomposition (FRFT-SVD) method for the localization of various power system faults in a 200 km long, 500 kV Egyptian transmission line using sent end-line current signals. Transient
Externí odkaz:
https://doaj.org/article/543793a98e9f4480926b3f29acf68d47
Publikováno v:
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", Vol 30, Iss 30, Pp 43-49 (2020)
The procedure for determining the reduction factor for 110 kV feeding cable lines based on the measurement results is presented in this paper. The obtained results were compared with the values obtained by cable line modeling by ATP/EMTP software too
Externí odkaz:
https://doaj.org/article/4c33ca1ea8e640c9bc3a35abdae7f079