ZAGO, C. C. B.; ZAGO, Carlos Caiado Barbosa. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 1988-07-22)
The decrease in the insulation levels of the extra-high voltage devices, due to economic and constructive factors, led to the use of lightning rods as overvoltage limiters. These overvoltages cause long-term currents which, ...