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Performance of the recursive methods applied to compute the transient responses on grounding systems
(2021-07-01)
Ground Potential Rise (GPR) is an important factor for a grounding system that must be properly designed to protect people against any dangerous induced voltages and to avoid damages in equipment. In this context, several ...
Computation of Surge Voltage in Transmission Tower Located above Frequency-Dependent Soil
(2021-01-01)
The purpose of this paper is to investigate the influence of frequency-dependent soils with variable soil content on the transient voltages at transmission towers. First, a comparative analysis between the impedance of ...
Computation of ground potential rise and grounding impedance of simple arrangement of electrodes buried in frequency-dependent stratified soil
(2021-09-01)
Grounding electrodes are used to provide a low-impedance dissipation path for the excess lightning or fault currents. Several studies have been dedicated to the computation of the grounding impedance of different electrode ...
Computing Tower-Footing Grounding Impedance and GPR curves of Grounding Electrodes Buried in Multilayer Soils
(Ieee, 2019-01-01)
Grounding systems are essential to dissipate fault currents into soil to guarantee safe conditions to personnel and equipment. In this context, several approaches have been employed to calculate tower-footing grounding ...
Computing Tower-Footing Grounding Impedance and GPR curves of Grounding Electrodes Buried in Multilayer Soils
(2019-09-01)
Grounding systems are essential to dissipate fault currents into soil to guarantee safe conditions to personnel and equipment. In this context, several approaches have been employed to calculate tower-footing grounding ...
Alternative Methods to Calculate Electromagnetic Transients in Grounding Systems
(Ieee, 2019-01-01)
Grounding electrodes are essential in electrical power system to maintain a reliable operation, and to guarantee the safety of personnel and equipment. When a lightning strikes at a transmission tower, surge current waves ...
Alternative Methods to Calculate Electromagnetic Transients in Grounding Systems
(2019-09-01)
Grounding electrodes are essential in electrical power system to maintain a reliable operation, and to guarantee the safety of personnel and equipment. When a lightning strikes at a transmission tower, surge current waves ...
A New Approach to Compute Grounding Impedance of Rods in a Frequency Dependent Multi-layer Soil
(Ieee, 2020-01-01)
Long cylindrical rods are commonly employed to grounding system in transmission lines and they can be buried in stratified soils. In this condition, the grounding impedance is significantly modified by the presence of ...
A new approach to compute grounding impedance of rods in a frequency dependent multi-layer soil
(2020-08-02)
Long cylindrical rods are commonly employed to grounding system in transmission lines and they can be buried in stratified soils. In this condition, the grounding impedance is significantly modified by the presence of ...
Electronic Structure of the Ground and Low-Lying Electronic States of MoB and MoB(+)
(WILEY-BLACKWELL, 2011)
Multiconfigurational second-order perturbation theory (CASSCF//CASPT2) and quadruple-zeta ANO-RCC basis sets were employed to investigate the ground and low-lying electronic states of MoB and MoB(+). Spectroscopic constants, ...