Results 11 to 20 of about 61,237 (302)

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

Simplified conservative testing method of touch and step voltages by multiple auxiliary electrodes at reduced distance [PDF]

open access: yes, 2015
Grounding systems (GSs) must be tested periodically in order to maintain the touch voltage (TV) and step voltage (SV) below a safe value in all of the zones of the installation.
Araneo, Rodolfo   +4 more
core   +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

Grounding System Adequacy of HV/MV Substations in Areas With Reduced Accessibility [PDF]

open access: yes, 2015
The adequacy of grounding systems has to be verified periodically in the operational time. With urban development and buildings growth adjacent to power systems as HV/MV substations, it is very rare to have area around with sufficient accessibility for ...
Farber, Alexander   +4 more
core   +1 more source

Derivative Method Based Orientation Detection of Substation Grounding Grid

open access: yesEnergies, 2018
The grounding grid is a key part of substation protection, which provides safety to personnel and equipment under normal as well as fault conditions. Currently, the topology of a grounding grid is determined by assuming that its orientation is parallel ...
Aamir Qamar   +4 more
doaj   +1 more source

Computer analysis of earthing systems in horizontally or vertically layered soils [PDF]

open access: yes, 2001
[Abstract] The main objectives of grounding systems are to guarantee the personal safety, the equipment protection and the continuity of the power supply.
Casteleiro, Manuel   +3 more
core   +4 more sources

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

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