Search Results - "Manzi de Azevedo, Walter Luiz"

Grounding Impulse Impedance Estimation for Vertical Rods Buried in Porous Soil by de Azevedo, Walter Luiz Manzi, de Araujo, Anderson Ricardo Justo, Filho, Jose Pissolato

“…This paper proposes a methodology to compute the impulse impedance of a vertical rod buried in a porous soil modeled by improved Archie's formula. The harmonic…”
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Transient Analysis on Wind Farms with Interconnected Grounding Systems Located on Frequency-Dependent Soils by Da Silva, Wagner Costa, De Azevedo, Walter Luiz Manzi, D'Annibale, Jose Luciano Aslan, De Araujo, Anderson Ricardo Justo, Filho, Jose Pissolato

“…This paper investigates the transient voltages generated in a wind farm located on frequency-dependent (FD) soil for lightning striking at one of the towers…”
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On the Transient Behaviour of Vertical Grounding Electrodes Buried in Soils with Frequency-Dependent Electrical Parameters by Manzi de Azevedo, Walter Luiz, Justo de Araujo, Anderson Ricardo, Filho, Jose Pissolato

“…This paper investigates the transient responses generated on a vertical rod buried in soil with electrical parameters that vary with frequency effect and on a…”
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Transient analysis of power transmission towers above lossy ground with frequency dependent electrical parameters considering the water content of soil by de Azevedo, Walter Luiz Manzi, de Araújo, Anderson Ricardo Justo, Colqui, Jaimis Sajid Leon, Filho, José Pissolato, Kordi, Behzad

“…•The effect of water content on soil electrical parameters is investigated.•Three soil models proposed in the literature are studied.•Ground Potential Rise is…”
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Backflashover Analysis of Transmission Lines Considering Variation of Soil Electrical Parameters with Frequency and Water Content by De Azevedo, Walter Luiz Manzi, Colqui, Jaimis Sajid Leon, De Araujo, Anderson Ricardo Justo, Filho, Jose Pissolato, Kordi, Behzad

“…This paper investigates the lightning performance of three soil models considering their electrical parameters dependent on the frequency and water content…”
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Comparison of soil modeling concerning physical factors: Application to transient analysis in wind turbines by de Azevedo, Walter Luiz Manzi, da Silva, Wagner Costa, de Araújo, Anderson Ricardo Justo, Filho, José Pissolato

“…This work analyzes the impact of the physical factors (frequency effect, water content, and porosity level) on the voltages developed along the wind turbine…”
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Full-wave electromagnetic analysis of lightning strikes to wind farm connected to medium-voltage distribution lines by da Silva, Wagner Costa, de Azevedo, Walter Luiz Manzi, de Araújo, Anderson Ricardo Justo, Filho, José Pissolato

“…This paper studies the voltages developed on a wind turbine (WT) and a medium-voltage distribution line (MVDL) connected to a wind farm subjected to lightning…”
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The effect of sandy soil porosity on lightning overvoltages of overhead 138 kV transmission line by de Azevedo, Walter Luiz Manzi, de Araújo, Anderson Ricardo Justo, Filho, José Pissolato

“…Proper soil modeling considering its physical properties is essential to design grounding systems and assess its grounding impedance for transient analysis…”
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Alternative study to reduce backflashovers using tower-footing grounding systems with multiple inclined rods by de Azevedo, Walter Luiz Manzi, de Araújo, Anderson Ricardo Justo, Colqui, Jaimis Sajid Leon, D’Annibale, José Luciano Aslan, Filho, José Pissolato

“…This paper investigates the influence of the inclination angle on the harmonic grounding impedance (HGI) of three arrangements with multiple rods. Then, Ground…”
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Filtered Frequency Spectrum Method to Compute the Ground Potential Rise Due to Lightning Strikes by D'Annibale, Jose Luciano Aslan, de Azevedo, Walter Luiz Manzi, Da Silva, Wagner Costa, de Araujo, Anderson Ricardo Justo, Filho, Jose Pissolato

“…The concerns regarding the Ground Potential Rise (GPR), which is generated by lightning strikes and can result in hazardous voltages in the vicinity of ground…”
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Analysis on Induced Voltages in Wind Farms Close to Distribution Lines on Frequency-Dependent Soil by Da Silva, Wagner Costa, De Azevedo, Walter Luiz Manzi, D'Annibale, Jose Luciano Aslan, De Araujo, Anderson Ricardo Justo, Filho, Jose Pissolato

“…This paper investigates the impact of the frequency-dependent soil electrical parameters on the transient voltages generated along the wind tower (WT) and on…”
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Transient Analysis of Grounding Electrodes in Multilayer Soils Using Method of Moments by de Araujo, Anderson Ricardo Justo, Colqui, Jaimis Sajid Leon, Azevedo, Walter Luiz Manzi de, Kurokawa, Sergio, Filho, Jose Pissolato, Kordi, Behzad

“…Grounding electrodes are expected to provide a low-impedance path for faults and lightning transient currents and protect the safety of electrical equipment…”
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Computation of Surge Voltage in Transmission Tower Located Above Frequency-Dependent Soil by Justo de Araujo, Anderson Ricardo, Manzi de Azevedo, Walter Luiz, Filho, Jose Pissolato, Leon Colqui, Jaimis Saiid, Kurokawa, Sergio, Kordi, Behzad

“…The purpose of this paper is to investigate the influence of frequency-dependent soils with variable soil content on the transient voltages at transmission…”
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