Zobrazeno 1 - 10
of 1 281
pro vyhledávání: '"grounding system"'
Publikováno v:
电力工程技术, Vol 43, Iss 4, Pp 253-261 (2024)
When the earth faults occur in different phases of two feeders connected to the same bus in the resonant grounding system, the conventional fault line selection devices are inaccurate. To address the difficulties of fault line selection in the earth
Externí odkaz:
https://doaj.org/article/789c91cca3744dc49633d7652d13282d
Publikováno v:
TESEA, Transactions on Energy Systems and Engineering Applications, Vol 5, Iss 2 (2024)
This study investigates the optimisation of grounding infrastructure in substations by implementing the philosophy of the multi-objective algorithm NSGA-II Elite. A complete description of the operating scheme and the characteristic mechanisms that s
Externí odkaz:
https://doaj.org/article/210c135b1ccf4f4281ff9308d238c797
Autor:
Guangfen Wan, Xuekun Xu
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
In small-current grounding systems, the fault current during a single-phase grounding fault is small, and the transient process is complex, leading to challenges in line selection accuracy and reliability. This paper proposes a single-phase grounding
Externí odkaz:
https://doaj.org/article/8258165a6a904faeaa9eefebc698281c
Autor:
Masume Khodsuz
Publikováno v:
Iranian Journal of Electrical and Electronic Engineering, Vol 20, Iss 1, Pp 72-82 (2024)
In this paper, the performance of the EGLA (Externally Gaped Line Arresters) and its impact on the back flashover rate of a 400 kV transmission line have been investigated. The frequency behavior of the grounding system and soil resistivity has been
Externí odkaz:
https://doaj.org/article/931e78670f464f5fb6342d75178da685
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:
Journal of Electrical Systems and Information Technology, Vol 10, Iss 1, Pp 1-19 (2023)
Abstract The grounding system of an electrical substation provides safety to both operator and equipment. The lightning current waveform has a major influence on the dynamic performance of ground electrodes. If lightning current is large enough, soil
Externí odkaz:
https://doaj.org/article/dd84923d7bac48d7ba8158d80f33b759
Publikováno v:
电力工程技术, Vol 42, Iss 4, Pp 113-121 (2023)
With the improvement of the requirements for the safe operation of distribution network lines, the harmonics injected by distributed power generation make the existing line selection methods ineffective, and the fault line selection method with a sin
Externí odkaz:
https://doaj.org/article/c21b72bc167c44db8da0921531a5f273
Autor:
ZHAO Kang
Publikováno v:
Cailiao Baohu, Vol 56, Iss 5, Pp 196-200 (2023)
In order to understand the influencing laws of the cathodic protection effect of the grounding grid and the grounding buried pipelines, the numerical simulation calculation method was used to establish the electric field model of corrosion and cathod
Externí odkaz:
https://doaj.org/article/e1086e4d18214a23b4245df79d3bbfe3
Publikováno v:
Zhejiang dianli, Vol 42, Iss 4, Pp 1-8 (2023)
In order to use the existing hardware sources to improve the line selection performance of single-phase grounding fault of small resistance grounding systems， a method for line selection of single-phase grounding fault based on the global steady-st
Externí odkaz:
https://doaj.org/article/e59034c304ad476ca91aec69be8fc257
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 3, Pp 115-123 (2023)
At present, the fault line selection method of coal mine distribution network has the problem of fault line selection failure when the relevant fault features are not obvious. The fault line selection method based on single modal component and single
Externí odkaz:
https://doaj.org/article/8ac82bfcda69417f851e4cef1e7bde48