Efeitos da poluição atmosférica (litorânea e industrial) em isoladores da rede elétrica da região metropolitana de Salvador

Autor: Kleber Franke Portella, D. P. Cerqueira, Mário Seixas Cabussú, Paulo Cesar Inone, Fernando Piazza, Sebastião Ribeiro, Cleuber Sobreira da Silva Chaves
Jazyk: portugalština
Rok vydání: 2008
Předmět:
Zdroj: Química Nova v.31 n.2 2008
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Popis: The performances of eight kinds of insulators from electrical distribution lines in Salvador-BA, Brazil, were evaluated considering the chemical and physical local environmental pollution. The parameters that were chosen as characteristic for the insulators' properties were leakage current and partial electrical discharge. A data storage processing system and a communication link to the lab were built for data acquisition. The results show that the main contribution to the poor performance of the insulators is settleable magnetite particulate matter on the insulator in addition to the long term wetness time, t4.
Databáze: OpenAIRE