Results 11 to 20 of about 19,231 (267)

Soil Treatment to Reduce Grounding Resistance by Applying Low-Resistivity Material (LRM) Implemented in Different Grounding Systems Configurations and in Soils with Different Resistivities

Applied Sciences, 2022
In the present study, field tests were performed using low-resistivity materials (LRMs) in different grounding system (GS) configurations to reduce the grounding resistance (GR) and assess the variation in the effectiveness of the LRMs with increases in ...
Freddy Sinchi-Sinchi, Cristian Coronel-Naranjo, Antonio Barragán-Escandón, Flavio Quizhpi-Palomeque   +3 more
doaj   +1 more source

Modeling of different tower grounding systems using hybrid continuous circuit-trapezoidal integration method [PDF]

Serbian Journal of Electrical Engineering, 2021
In order to protect the transmission lines against lightning strikes, it is important to investigate the tower grounding system. In this paper, a recent method called hybrid continuous circuit-trapezoidal integration method is used to calculate ...
Asadpourahmadchali Mohammadbagher, Niasati Mohsen, Alinejad-Beromi Yousef   +2 more
doaj   +1 more source

Assessment of the Feasibility of Applying the Electromagnetic Time Reversal Theory to Locate Defects in Grounding Electrodes

Energies, 2023
In recent years, the electromagnetic time reversal (EMTR) theory has been successfully applied for locating various sources of disturbances, such as short-circuit faults, in power systems.
Rafael Alipio, Naiara Duarte, Hamidreza Karami, Marcos Rubinstein, Farhad Rachidi   +4 more
doaj   +1 more source

Kernel Function-Based Inverting Algorithm for Structure Parameters of Horizontal Multilayer Soil

Energies, 2023
A multilayer soil structure model is fundamental to design grounding systems. A new method is presented to invert the structure parameters of horizontal multilayer soil.
Min-Jae Kang, Chang-Jin Boo, Byeong-Chan Han, Ho-Chan Kim   +3 more
doaj   +1 more source

Investigations on the Performance of Various Horizontal Ground Electrodes

Energies, 2021
Experimental work on grounding systems has shown that the characteristics of grounding systems under high impulse conditions are different than those obtained at steady-state conditions.
Hanis Hamizah Hizamul-Din, Normiza Mohamad Nor, Nurul Nadia Ahmad, Nur Farahi Idris, Azwan Mahmud   +4 more
doaj   +1 more source

Overview of Transient Simulations of Grounding Systems under Surge Conditions

Energies, 2022
The present paper gives an overview of modelling methods of standard grounding systems under surge conditions, using the non-uniform transmission line approach.
Tomasz Kisielewicz, Milton Cuenca
doaj   +1 more source

Evaluation of high-voltage AC cable grounding systems based on the real-time monitoring and theoretical calculation of grounding currents

High Voltage, 2018
For high-voltage (HV) AC cable transmission systems, the metal sheaths of three separate single-core cables are cross-bonded at each end of the cable section, to suppress the induced voltages in sheaths.
Zhonglei Li, Boxue Du, Boxue Du, Wang Li
doaj   +1 more source

Improvement of single-phase grounding fault detection for small resistance grounding systems based on steady-state monitoring information in the substation

Zhejiang dianli, 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-state ...
LIU Jian, ZHU Qingsong, WANG Yizhao, ZHANG Zhihua, CHEN Jieyu   +4 more
doaj   +1 more source

Computational Grounding: An Overview of Common Ground Applications in Conversational Agents

IJCoL, 2021
This work reports on the literature on grounding in conversational agents, as one of the pragmatic aspects adopted to ensure a better communicative efficiency in dialogue systems. The paper starts with a general description of the theory of grounding. As
Maria Di Maro
doaj   +1 more source

A pulse generator with inductive energy storage for measuring the grounding resistance of transmission line towers

Vestnik MGTU, 2018
The pulse method may be used to measure the footing resistance of transmission towers with overhead grounding wires. Measuring systems that obtain the time dependent transient impedance may be used to measure the low-frequency resistance of transmission ...
Kolobov V. V. , Kolobov V. V. , Selivanov V. N.   +2 more
doaj   +1 more source