Zobrazeno 1 - 10
of 6 484
pro vyhledávání: '"Emtp"'
Publikováno v:
مهندسی مخابرات جنوب, Vol 14, Iss 53, Pp 29-52 (2024)
The failures of the power system are caused by insulation damages of HV apparatus including transformers, HV cables and generators. They are expensive. In the beginning, insulation failures occure in limited regions of insulation, which is called par
Externí odkaz:
https://doaj.org/article/0351afdb6a7c435ca81a3d02fe7586e2
Publikováno v:
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", Vol 2023, Iss 33, Pp 1-13 (2023)
Ferroresonance is a complex nonlinear electrical phenomenon that can cause significant dielectric and thermal stresses in power equipment, leading to potential faults, equipment damage, power supply interruptions, etc. Three-phase networks with isola
Externí odkaz:
https://doaj.org/article/6a3893dd89cd4846a5dd2c5a62f359d7
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:
Energy Reports, Vol 8, Iss , Pp 274-283 (2022)
In order to ensure the safe and stable operation of high voltage direct current (HVDC) systems, this paper studies the lightning overvoltage at the neutral point of the HVDC converter transformer. The work first introduces the basic types of lightnin
Externí odkaz:
https://doaj.org/article/4e18c530524c4da4965482394b0d839f
Publikováno v:
电力工程技术, Vol 41, Iss 5, Pp 240-245 (2022)
The access of ultra high voltage (UHV) gas-insulated transmission line (GIL) affects both the transient recovery voltage (TRV) amplitude and the rate of rise of TRV (RRRV) of circuit breakers,which may endanger the breaking capacity of circuit breake
Externí odkaz:
https://doaj.org/article/c1b0e9ecf6df4845a7159064bfac91af
Akademický článek
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Akademický článek
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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