Title :
Internal overvoltages in cast resin transformer windings in presence of resonance effects
Author :
Ceretta, C. ; Gobbo, R. ; Pesavento, G.
Author_Institution :
SEA Trasformatori
Abstract :
Frequency and impulse responses of cast resin transformer windings are presented. The stress arising during lightning impulse test is compared with that originated during switching operations, in case of oscillating transients.
Keywords :
frequency response; overvoltage; transformer windings; transient response; cast resin transformer winding overvoltage; frequency response; impulse response; lightning impulse test; oscillating transient; resonance effect; Frequency; Impulse testing; Oil insulation; Petroleum; Power transformer insulation; Resins; Resonance; Surges; Voltage; Windings;
Conference_Titel :
Universities Power Engineering Conference, 2008. UPEC 2008. 43rd International
Conference_Location :
Padova
Print_ISBN :
978-1-4244-3294-3
Electronic_ISBN :
978-88-89884-09-6
DOI :
10.1109/UPEC.2008.4651637
