Results 11 to 20 of about 9,424 (256)

Configuration Detection of Grounding Grid: Static Electric Field Based Nondestructive Technique

open access: yesIEEE Access, 2021
Grounding grid configuration which, is key to its fault diagnosis, changes continuously with the extension in a substation. Furthermore, older substations grounding grid configurations are unknown.
Aamir Qamar   +4 more
doaj   +1 more source

Assessing Grounding Grid Robustness Through Analysis of Static Fields

open access: yesIEEE Access, 2023
Assessing the condition of a grounding grid is key to ensuring the safety of a substation and the personnel working in its vicinity. This paper analyzes the static fields of a grounding grid to evaluate its robustness.
Aamir Qamar   +6 more
doaj   +1 more source

Research on stray current characteristics of auxiliary grounding grid of incoming line tower of mine substatio

open access: yesGong-kuang zidonghua, 2020
In view of problems of limited terrain, short effective dispersion length, and low resistance reduction efficiency in the extensional resistance reduction of the grounding grid of incoming line section of mine substation, a resistance reduction method ...
XIE Hongping   +5 more
doaj   +1 more source

A New Grounding Resistance Reduction Method for Wind Turbines by Grounding Grid Connection in Limited Areas

open access: yesFrontiers in Energy Research, 2022
Restricted by cultivated land vegetation, road construction, and land acquisition compensation costs, the grounding electrode extension method is not applicable for grounding resistance reduction of some wind turbines in limited areas.
Yuanchao Hu   +8 more
doaj   +1 more source

Orientation Detection of Unequally Spaced Complexed Grounding Grids using Transient Electromagnetic Method

open access: yesSukkur IBA Journal of Emerging Technologies, 2021
Configuration of Grounding Grid is required for all currently proposed Fault Diagnosing methods of Grounding Grid if the configuration is unknown then Grounding Grid Configuration detection techniques are applied and all of these latest techniques ...
Usman Zia Saleem   +3 more
doaj   +1 more source

Dead-beat circulating current suppression method of underground UPS paralleling power supply system

open access: yesGong-kuang zidonghua, 2016
In order to improve reliability of underground UPS power supply system, a dead-beat circulating current suppression method of underground UPS paralleling power supply system was put forward.
WANG Ling, WU Tao, LI Zhizhong
doaj   +1 more source

The Potential Difference Characteristics between Two Points on Grounding Grid of Substation

open access: yesZhongguo dianli, 2021
With the intelligentization upgrade of power substations, a large number of secondary equipment are deployed dispersedly nearby the high-voltage primary equipment. The enclosures of these secondary devices are electrically connected to the grounding grid
Yonghong WANG   +6 more
doaj   +1 more source

Grid-Ground Electrode in Two Layered Non-Homogeneous Ground

open access: yes7th Symposium on Applied Electromagnetics SAEM`18: Conference Proceedings, 2019
In this paper, a procedure including using of the Green’s functions for a point source in multilayered media for the electric scalar potential and the Method of Moments-MoM for analyzing described problem is adopted. The approach provides generating Green’s function of the point source for arbitrary number of homogeneous layers. Also, it is possible to
Nenad Cvetkovic   +3 more
openaire   +1 more source

Investigation and Optimization of Grounding Grid Based on Lightning Response by Using ATP-EMTP and Genetic Algorithm

open access: yesComplexity, 2018
A large number of electromagnetic transient studies have been analyzed for finding the overvoltage behavior of power system. A grounding grid of power system is so important for reducing the effect of overvoltage phenomena during a short-circuit event ...
Saeid Gholami Farkoush   +7 more
doaj   +1 more source

Transient impedance of grounding system with impulse superimposed sinewave

open access: yesENP Engineering Science Journal, 2021
Investigating the transient performance of grounding systems subject to lightning (impulse or impulse superimposed sinewave) is valuable for protecting the power system and maintaining the system operation.
Sherif Ghoneim   +2 more
doaj   +1 more source

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