The aim of the paper is to assess the risk of insulation failure of distribution transformers connected to overhead distribution due to indirect lightning induced voltages. The annual frequencies of occurrence of dangerous voltages are evaluated through a Monte Carlo procedure and by using the LIOV-EMTP code for the calculation of the Lightning Electromagnetic Pulse (LEMP) and its effects on the multi-conductor line. The probability of distribution transformers insulation to withstand the stresses caused by lightning overvoltages is inferred from the results of experimental test

A procedure to evaluate the risk of failure of distribution transformers insulation due to lightning induced voltages

BORGHETTI, ALBERTO;NAPOLITANO, FABIO;NUCCI, CARLO ALBERTO;
2013

Abstract

The aim of the paper is to assess the risk of insulation failure of distribution transformers connected to overhead distribution due to indirect lightning induced voltages. The annual frequencies of occurrence of dangerous voltages are evaluated through a Monte Carlo procedure and by using the LIOV-EMTP code for the calculation of the Lightning Electromagnetic Pulse (LEMP) and its effects on the multi-conductor line. The probability of distribution transformers insulation to withstand the stresses caused by lightning overvoltages is inferred from the results of experimental test
2013
Proceedings of the 22nd International Conference on Electricity Distribution
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Gustavo Paiva Lopes; Manuel Luis Barreira Martinez; Alberto Borghetti; Fabio Napolitano; Carlo Alberto Nucci; Juliana Izabel Lara Uchoa; Gilnei Dos Santos; Donorvan Fagundes
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/192531
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