Publications (90)20.75 Total impact
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Article: An experimental test for the validation of time domain codes for the analysis of transient field coupling to transmission line networks
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Article: Valutazione statistica dei guasti a terra prodotti da fulminazioni indirette nelle linee MT
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Article: A method to find reflection coefficients at the top and bottom of elevated strike objects from measured lightning currents
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Article: A Reduced-Scale Model to Evaluate the Response of Tall Towers Hit by Lightning
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Article: Determination of reflection coefficients at the top and bottom of elevated strike objects struck by lightning
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Article: Far-field - current relationship based on the TL model for lightning return strokes to elevated strike objects
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Article: Lightning-Induced Disturbances in Buried Cables
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Article: Lightning performance of distribution lines
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Article: Characterization of the Response of an Overhead Line to Lightning Electromagnetic Fields
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Article: On the enhancement of radiated electric and magnetic fields associated withlightning return strokes to tall structures
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Article: Valutazione del numero annuale di scariche a terra dovute a sovratensioni indotte da fulminazioni indirette su una tipica linea aerea di media tensione
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Article: An experiment to validate a theory for the calculation of transients induced by external electromagnetic fields on overhead transmission line networks
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Article: Voltages Induced by Cloud Discharges on Overhead Power Lines
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Article: Effect of Traveling-Waves of Current on The Electromagnetic Response of A Tall Franklin Rod Considering Various Lightning Return Stroke Models
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Article: Comparison of Different Approaches for The Evaluation of Lightning-Induced Overvoltages in Light-Rail DC Traction Power Systems
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Article: Lightning-Correlated Faults in Power Distribution Networks
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Article: On the use of continuous-wavelet transform for fault location in distribution power systems
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ABSTRACT: The paper illustrates a procedure based on the continuous-wavelet transform (CWT) for the analysis of voltage transients due to line faults, and discusses its application to fault location in power distribution systems. The analysis carried out shows that correlation exists between typical frequencies of the CWT-transformed signals and specific paths in the network covered by the traveling waves originated by the fault. The paper presents a procedure for determining fault location in MV distribution systems, which exploits the above-mentioned correlation. The MV distribution system analysed in the paper is accurately represented by means of an EMTP model; various fault types and network characteristics are examined. The paper presents also the basic concepts of a measurement and fault location prototype system with distributed architecture.International Journal of Electrical Power & Energy Systems. -
Article: Determination of lightning currents from far electromagnetic fields: Effect of a strike object
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ABSTRACT: We discuss in this paper the influence of the presence of an elevated strike object on the peak of the lightning return stroke current determined from remote field measurements. We develop analytical expressions relating the lightning return stroke channel-base current and the far electromagnetic field for different specific cases, namely, (1) ground-initiated return strokes (classical transmission line (TL) model), (2) ground-initiated return strokes including possible reflections at ground level, (3) tall strike objects for which the current's zero-to-peak time is smaller than the travel time along the object, and (4) electrically short strike objects. It is shown that for tall structures, the field enhancement relative to a return stroke initiated at ground level is expressed through a factor equal to ktall=[1+c/v(1-2ρt)]/(1-ρt), where v and c are the return stroke front speed and the speed of light in vacuum, respectively, and ρt is the top reflection coefficient. For very short towers and/or very slow return stroke current wavefronts, when the condition tf⪢h/c applies, expressions relating the far electromagnetic field and the return stroke current were also derived. For case (2), return strokes initiated at ground level, the field enhancement relative to a return stroke initiated at ground level, case (1), is expressed through a factor equal to kshort=(1+(c/v)ρch–g)/(1+ρch–g), where ρch–g represents the reflection coefficient between the lightning channel and the grounding impedance.Journal of Electrostatics. -
Article: Evaluation of Lightning-Induced Disturbances in Buried Cables
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Article: A Link Between the LIOV Code and the EMTP-RV for the Calculation of Lightning-Induced Voltages on Distribution Lines
Top co-authors
Top Journals
Institutions
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2000–2010
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University of Bologna
- "Guglielmo Marconi" Department of Electrical, Electronic and Information Engineering DEI
Bologna, Emilia-Romagna, Italy
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2007
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Università degli studi di Palermo
Palermo, Sicily, Italy
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2006–2007
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CESI
Milano, Lombardy, Italy
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2005
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University of Toronto
- Department of Electrical and Computer Engineering
Toronto, Ontario, Canada
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2001–2005
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École Polytechnique Fédérale de Lausanne
- Laboratoire de systèmes photoniques
Lausanne, VD, Switzerland
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2004
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Universidad de Guadalajara
Guadalajara, Jalisco, Mexico
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