Search Results - "Panicali, Antonio Roberto"

Effect of the integration path on grounding measurements by Panicali, Antonio Roberto, Barbosa, Celio Fonseca

“…•Grounding impedance becomes path-dependent at high-frequency.•The scalar potential yields the grounding impedance upper limit.•The electrode effective length…”
Get full text

A New Method for Grounding Resistance Measurement Based on the Drained Net Charge by Caetano, Carlos Ermidio Ferreira, Paulino, Jose Osvaldo Saldanha, Barbosa, Celio Fonseca, de Oliveira e Silva, Jose Claudio, Panicali, Antonio Roberto

“…This paper presents a new method for measuring grounding resistances, which is based on the measured net charge drained by the grounding system when excited by…”
Get full text

A Routine to Represent the Frequency-Dependent Nodal Admittance Matrix of Short Cables on Complex Structures in the ATP-EMTP Using the Lumped Parameter Model and the CST Studio Suite by Torrez Caballero, Pablo, Roberto Panicali, Antonio, Da Costa, Eduardo Ferreira, Hiroshi Minoda, Ricardo, Filho, Jose Pissolato, Ricordi Gismoti Guimaraes, Felipe, Andre Carreiro Cavaliere, Carlos, Zimmermann Silva, Vinicius, Leonardo Ramos, Marcos

“…Simulation of current distributions in groups of cables directly in the time domain using finite element method software is a computationally expensive task…”
Get full text

Electric charge flow in linear circuits by Silva, José Claudio de Oliveira e, Panicali, Antônio Roberto, Barbosa, Celio Fonseca, Caetano, Carlos Ermídio Ferreira, Paulino, José Osvaldo Saldanha

“…•A fundamental property of linear, time-invariant and reciprocal circuits.•The net charge distribution depends only on the circuit resistances.•Reactive…”
Get full text

Numerical simulation and measurements on reduced scale structures of floating production storage and offloading units by Panicali, Antonio Roberto, Minoda, Ricardo Hiroshi, Caballero, Pablo Torrez, da Costa, Eduardo Ferreira, Shigihara, Milton, Guimarães, Felipe Ricordi Gismonti, Cavaliere, Carlos André Carreiro, Silva, Vinicius Zimmermann, Ramos, Marcos Leonardo

“…Protecting offshore structures against the effects of lightning strikes, sparks, and short circuits is a considerable challenge to designers and deployment…”
Get full text

Preventing sparks between external LPS and structure conductive parts by Panicali, Antonio Roberto, Oliveira e Silva, José Claudio de, Barbosa, Celio Fonseca, Alves, Normando Virgilio B.

“…•Negative lightning flashes may cause dangerous sparks across the separation distances specified in the international standard.•Sparks between external LPS and…”
Get full text

Electric charge flow in linear circuits by de Oliveira e Silva, Jose Claudio, Panicali, Antonio Roberto, Barbosa, Celio Fonseca

“…This paper shows that the net charge injected by an arbitrary voltage or current source into a linear circuit is divided among the circuit branches, including…”
Get full text

Lightning Induced Voltages: A Comparison Between Mathematical Modelling and Measurements on Reduced Scale Structures of Offshore Oil Platforms by Panicali, Antonio Roberto, da Costa, Eduardo Ferreira, Minoda, Ricardo Hiroshi, Shigihara, Miltom, Guimaraes, Felipe Ricordi Gismoti, Cavaliere, Carlos Andre Carreiro, Silva, Vinicius Zimmermann, Ramos, Marcos Leonardo

“…This paper focus on the expected accuracy of some mathematical modelling techniques for evaluating the behavior of electrically large metallic structures, such…”
Get full text

Reducing surges on LV power lines due to lightning stroke to a telecom tower by Panicali, Antonio Roberto, de Oliveira e Silva, Jose Claudio

“…The paper describes new ideas for designing grounding electrode configurations, capable of greatly reducing surges injected into public LV power distribution…”
Get full text

Impulsive voltages induced into internal cabling of buildings hit by lightning by Panicali, A. R., Barbosa, C. F.

“…This paper presents the effects of propagation delays and displacement currents in the calculation of currents and voltages induced on metallic cabling inside…”
Get full text

A REFLECTOR ANTENNA CORRECTED FOR SPHERICAL, COMA, AND CHROMATIC ABERRATIONS by PANICALI, ANTONIO ROBERTO

Get full text

A New Mathematical Formulation for Studying the Scattering Properties of Perfectly Conducting Periodic Structures by Panicali, Antonio Roberto

“…Previous methods for studying the scattering properties of perfectly conducting periodic structures were derived with basis on the boundary conditions the…”
Get full text

On the amplitude center of radiating apertures by Panicali, A., Nakamura, M.

“…An explicit formula is derived for locating the amplitude center of planar apertures radiating scalar fields. Numerical examples are given which shows the…”
Get full text