Title :
Inception of partial discharges under repetitive square voltages: Effect of voltage waveform and repetition rate on PDIV and RPDIV
Author :
Cavallini, A. ; Lindell, E. ; Montanari, G.C. ; Tozzi, M.
Author_Institution :
LIMAT/DIE, Univ. of Bologna, Bologna, Italy
Abstract :
The dependence of partial discharge inception voltage (PDIV) and repetitive partial discharge inception voltage (RPDIV) on some voltage impulse parameters (impulse width, rise time and repetition frequency) is investigated in this paper focusing on crossed pair specimens made of polyimide-amide enameled wires. The results are explained in terms of partial discharge physics and provide basis to improve evaluation during both type and quality tests of random wound motors.
Keywords :
partial discharges; crossed pair specimen; partial discharge physics; polyimide-amide enameled wire; random wound motor; repetition rate; repetitive partial discharge inception voltage; repetitive square voltage; voltage impulse parameter; voltage waveform; Delay; Discharges; IEC standards; Partial discharges; Testing; Time frequency analysis; Voltage measurement;
Conference_Titel :
Electrical Insulation and Dielectric Phenomena (CEIDP), 2010 Annual Report Conference on
Conference_Location :
West Lafayette, IN
Print_ISBN :
978-1-4244-9468-2
DOI :
10.1109/CEIDP.2010.5724033
