Results 11 to 20 of about 29,094 (305)

Review of Substation Grounding System Behavior Under High Frequency and Transient Faults in Uniform Soil

open access: yesIEEE Access, 2020
Substations are important parts of electric power systems, and they require well-designed grounding systems. A proper grounding system guarantees the safety of the personnel working in an environment surrounded by grounded equipment from possible ...
Navinesshani Permal   +3 more
doaj   +1 more source

Harmonic Current Distribution in Grounding Systems of Cabled Medium Voltage Grids during Single-Pole Ground Fault

open access: yesEnergies, 2021
The design of every power supply system must guarantee the safety for human life even in the event of a fault. Due to the system change in the electrical power supply, the fault current contains more and more unknown shares of current harmonics ...
Benjamin Küchler   +2 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

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

open access: yesEnergies, 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   +3 more
doaj   +1 more source

Application of hybrid boundary element method: Example of semishperical ground inhomogeneity [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2014
One new, so-called hybrid boundary element method (HBEM) is presented in this paper. It is a recently proposed numerical method for stationary and quasi-stationary EM field analysis.
Cvetković Nenad N.   +4 more
doaj   +1 more source

Investigations on the Performance of Various Horizontal Ground Electrodes

open access: yesEnergies, 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   +4 more
doaj   +1 more source

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

open access: yesSerbian 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   +2 more
doaj   +1 more source

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

open access: yesEnergies, 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   +4 more
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

open access: yesZhejiang 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   +4 more
doaj   +1 more source

The ATLAS SCT grounding and shielding concept and implementation [PDF]

open access: yes, 2012
This paper presents a complete description of Virgo, the French-Italian gravitational wave detector. The detector, built at Cascina, near Pisa (Italy), is a very large Michelson interferometer, with 3 km-long arms. In this paper, following a presentation
Bernabeu, J   +174 more
core   +1 more source

Home - About - Disclaimer - Privacy