Search Results - "Janiszewski, Jorge M."

A Scale Model for the Study of the LEMP Response of Complex Power Distribution Networks by Piantini, A., Janiszewski, J.M., Borghetti, A., Nucci, C.A., Paolone, M.

“…This paper deals with scale models of power distribution systems for the study of lightning induced voltages on overhead lines. The scale model technique is…”
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The use of shield wires for reducing induced voltages from lightning electromagnetic fields by Piantini, Alexandre, Janiszewski, Jorge M.

“…► Lightning induced voltages obtained from scale model experiments performed under controlled conditions. ► Measurements of lightning induced voltages on…”
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Propagation of lightning electromagnetic fields in the presence of buildings by Vieira, Marcos S., Janiszewski, Jorge M.

“…•The work can contribute for improved evaluation of lightning induced voltages.•We analyzed the effect of buildings on lightning electric and magnetic…”
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Lightning-Induced Voltages on Overhead Lines-Application of the Extended Rusck Model by Piantini, A., Janiszewski, J.M.

“…Lightning-induced overvoltages have a considerable impact on the power quality of overhead distribution and telecommunications systems, and various models have…”
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Lightning-Induced Voltages on Overhead Lines-Application of the Extended Rusck Model: SPECIAL ISSUE ON LIGHTNING by PIANTINI, Alexandre, JANISZEWSKI, Jorge M

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Shield effectiveness of a metallic box with apertures: electromagnetic field configuration by Mathias, M.A., Janiszewski, J.M.

“…Metallic boxes are used to protect electronic equipment from spurious electromagnetic interference. In many situations, these boxes present apertures that…”
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Evaluation of currents and charges in low-voltage surge arresters due to lightning strikes by Bassi, W., Janiszewski, J.M.

“…This paper presents an evaluation of the values of currents and charges absorbed by surge protective devices (SPDs) connected in low-voltage open-wire overhead…”
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Induced voltages on distribution lines due to lightning discharges on nearby metallic structures by Piantini, A., Janiszewski, J.M.

“…This paper presents a numerical method for the calculation of voltages induced on overhead lines due to lightning discharges striking a metallic structure in…”
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The effectiveness of shield wires in reducing induced voltages from lightning electromagnetic fields by Piantini, A., Janiszewski, J. M.

“…The mechanisms from which lightning overvoltages can be produced on a power line depend on the system voltage. In medium voltage (MV) overhead distribution…”
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Lightning-caused transformer failures in distribution systems by Piantini, Alexandre, Janiszewski, Jorge M., de Carvalho, Thais O., Obase, Paulo F., dos Santos, Gilnei J. G.

“…This paper presents the main results of an investigation conducted with the aim of reducing to an acceptable level the lightning-caused distribution…”
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ANALYSIS OF LIGHTNING ELECTROMAGNETIC FIELDS by PIANTINI, ALEXANDRE, JANISZEWSKI, JORGE M.

“…Lightning discharges are considered to be responsible for a significant amount of interruptions in power distribution systems. Due to the importance of this…”
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Utilization of reduced models for the analysis of lightning induced overvoltages on overhead lines by Piantini, A, Janiszewski, J M, Braz, C P

“…This paper deals with the application of the scale model technique to the analysis of lightning induced voltages on overhead power distribution lines. The…”
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An electret transducer for impulse voltage measurements by Altafim, R.A.C., Giacometti, J.A., Janiszewski, J.M.

“…A method for detecting impulse voltages in transmission and distribution lines that uses an electret as the element of transduction is proposed. The sensor…”
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An improved model for lightning induced voltages calculations by Piantini, A., Janiszewski, J.M.

“…Overvoltages induced on overhead distribution lines by nearby lightning are responsible for a significant number of supply interruptions, due to their high…”
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A novel method for electret production using impulse voltages by Altafim, R.A.C., Giacometti, J.A., Janiszewski, J.M.

“…A method for producing electrets is proposed in which an electric discharge is produced by a negative impulse voltage in a small air gap. The dielectric film…”
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Electret transducer for measuring impulse voltages and currents-application in lightning detection by Altafim, R.A.C., Janiszewski, J.M., Giacometti, J.A.

“…Impulse current produced by lightning in transmission and distribution lines is studied. A new method of detection of impulse currents is proposed, using…”
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