Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Jorge Mieczyslaw Janiszewski"'
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USP
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Este trabalho apresenta uma análise dos surtos em redes aéreas secundárias de distribuição causados por descargas atmosféricas diretas no circuito primário. Alguns trabalhos publicados sobre o fenômeno são comentados, sendo também analisado
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a573f78562929fa9f4304a825f20e735
https://doi.org/10.11606/d.3.2017.tde-10102017-100131
https://doi.org/10.11606/d.3.2017.tde-10102017-100131
Publikováno v:
Electric Power Systems Research. 118:101-109
Coupling of lightning electromagnetic fields to distribution lines causes overvoltages that can provoke interruption of energy supply and damage to equipment of the power network and consumers. The propagation of these electromagnetic fields is stron
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09995c14f88cdb643dc1d14baaf562ec
https://doi.org/10.1016/j.epsr.2014.07.025
https://doi.org/10.1016/j.epsr.2014.07.025
Publikováno v:
Electric Power Systems Research. 94:46-53
The mechanisms from which lightning overvoltages can be produced on a power line depend on the system voltage. In medium voltage (MV) overhead distribution systems, lightning transients can be originated from either direct or indirect strokes. The ma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d064c1ce8bf517ef999a1d3e021964a
https://doi.org/10.1016/j.epsr.2012.04.012
https://doi.org/10.1016/j.epsr.2012.04.012
Publikováno v:
IEEE Transactions on Electromagnetic Compatibility. 51:548-558
Lightning-induced overvoltages have a considerable impact on the power quality of overhead distribution and telecommunications systems, and various models have been developed for the computation of the electromagnetic transients caused by indirect st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bdc5027bf04baffa15e8a4c44733be4e
https://doi.org/10.1109/temc.2009.2023514
https://doi.org/10.1109/temc.2009.2023514
Publikováno v:
IEEE Transactions on Power Delivery. 18:90-94
Summary form only given, as follows. 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 distribution networks in the case of direct lightning
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38ff4d3bdfd8630812b1e511d00aae07
https://doi.org/10.1109/tpwrd.2002.803696
https://doi.org/10.1109/tpwrd.2002.803696
Autor:
Jorge Mieczyslaw Janiszewski, Alexandre Piantini, Gilnei J. G. Dos Santos, Thais Ohara de Carvalho, Paulo F. Obase
Publikováno v:
2014 International Conference on Lightning Protection (ICLP).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57e9cac7eebd91ce64ca03afc1ce8726
https://doi.org/10.1109/iclp.2014.6973261
https://doi.org/10.1109/iclp.2014.6973261
Publikováno v:
IEEE Transactions on Magnetics. 34:2799-2802
This paper presents a numerical method for the calculation of voltages induced on overhead lines due to lightning discharges striking a metallic structure in its vicinity. The calculation is done from the determination of the electric and magnetic po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ac583944d37b5667a20e34a000d5474
https://doi.org/10.1109/20.717651
https://doi.org/10.1109/20.717651
Autor:
D. R. Fagundes, T. O. de Carvalho, Jorge Mieczyslaw Janiszewski, Alexandre Piantini, J. I.L. Uchoa, Gilnei J. G. Dos Santos, Paulo F. Obase, E. N. Kunz
Publikováno v:
2012 International Conference on High Voltage Engineering and Application.
The western part of the state of Rio Grande do Sul, in South Brazil, is characterized by high ground flash densities. In the period 2003–2011, lightning overvoltages accounted for about 47 % of the total number of distribution transformer failures
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb250aaaa4fbe73c740ea215492e9546
https://doi.org/10.1109/ichve.2012.6357064
https://doi.org/10.1109/ichve.2012.6357064
Publikováno v:
Lightning Electromagnetics ISBN: 9781849192156
This chapter presents, initially, the theory of scale models. Then, methods for simulating the electromagnetic environment, as well as various power system components, namely overhead lines, transformers and surge arresters are described, and details
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73eed4bea4a9f3721ee2997c1735e4aa
https://doi.org/10.1049/pbpo062e_ch19
https://doi.org/10.1049/pbpo062e_ch19
Publikováno v:
COMPEL - The international journal for computation and mathematics in electrical and electronic engineering. 13:203-206
Lightning discharges are considered to be responsible for a significant amount of interruptions in power distribution systems. Due to the importance of this subject, a research on lightning induced voltages is being developed at the University of Sao
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6eaf8672f52cbe715dba542c1a7e0e4
https://doi.org/10.1108/eb051875
https://doi.org/10.1108/eb051875