Search Results - "Leal, Osis E. S."

Time-Domain Procedures for Lightning-Induced Voltage Calculation in Electromagnetic Transient Simulators by De Conti, Alberto, Leal, Osis E. S.

“…In this paper, two time-domain procedures are proposed for the calculation of lightning-induced voltages using lossy transmission line models available in…”
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A Thévenin-Type Version of the Extended Modal-Domain Model for Lightning-Induced Voltage Calculations by Leal, Osis E. S., Conti, Alberto De

“…In this paper, a new procedure is proposed for determining the external current sources required for evaluating lightning-induced voltages on overhead lines…”
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Compact Matrix Formulation for Calculating Lightning-Induced Voltages on Electromagnetic Transient Simulators by Leal, Osis E. S., De Conti, Alberto

“…In this paper, a compact matrix formulation that simplifies the calculation of the lumped sources necessary to estimate lightning-induced effects using…”
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Evaluation of the extended modal-domain model in the calculation of lightning-induced voltages on parallel and double-circuit distribution line configurations by Leal, Osis E.S., De Conti, Alberto

“…•Lightning-induced voltages are calculated on parallel and double-circuit distribution lines with the extended modal-domain model.•The influence of the…”
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Lightning-Induced Voltages on an Overhead Dielectric-Coated Conductor by Leal, Osis E.S., De Conti, Alberto

“…•Lightning-induced voltages are calculated on a dielectric-coated overhead conductor.•The dielectric coating increases the per-unit-length capacitance and…”
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Implementation of the universal line model in the alternative transients program by Zanon, Felipe O.S., Leal, Osis E.S., De Conti, Alberto

“…•Universal Line Model (ULM) is implemented in the Alternative Transients Program (ATP) using a foreign model and a type-94 element.•The proposed implementation…”
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Lightning-induced voltage analysis on a three-phase compact distribution line considering different line models by De Conti, Alberto, Leal, Osis E.S., Silva, Alex C.

“…•Lightning-induced voltages are calculated on a three-phase compact distribution line.•The performance of different transmission line models is…”
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Transient analysis of compact distribution lines with dielectric-coated phase cables by De Conti, Alberto, Silva, Alex C., Leal, Osis E.S.

“…•For a rigorous modeling of compact distribution lines it is desirable that the dielectric coating surrounding the phase cables be considered.•Approximate…”
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On the Influence of Multigrounded Conductors on the Performance of Compact Distribution Lines Against Nearby Lightning Strikes by Lima, Larissa L. P., De Conti, Alberto, Leal, Osis E. S.

“…This paper is dedicated to investigate the impact of two multigrounded conductors on the performance of a three-phase compact distribution line against…”
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Lightning-Induced Voltage Calculations on an Overhead Insulated Cable by De Conti, Alberto, Leal, Osis E. S.

“…In this paper, a study is performed to identify the influence of an insulating layer surrounding an overhead cable on the transient overvoltages induced by…”
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Small-argument analytical expressions for the calculation of the ground-return impedance and admittance of underground cables by De Conti, Alberto, Duarte, Naiara, Alipio, Rafael, Leal, Osis E.S.

“…This paper proposes small-argument approximations for two closed-form equations that were recently derived for the calculation of the ground-return impedance…”
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Lightning Wave Propagation Characteristics of an Overhead Line with Insulated Phase Conductors by Silva, Alex C., De Conti, Alberto, Leal, Osis E. S.

“…Compact overhead distribution lines are composed of insulated phase conductors and bare grounded cables. The use of an insulating layer allows a greater…”
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