In this work, a previous software used to simulate partial discharges (PDs) under Alternating Current (AC) stress has been modified in order to evaluate the PDs behavior under a voltage stress close to the Direct Current (DC) waveform. By using a full-wave and a half-wave rectifier, the specimen with an air void defects has been subjected to a gradual constant stress. Finally, a capacitive filter has been inserted in order to produce a steadier voltage supply. Simulation results show that under an almost DC waveform, the PDs activity become less compared to AC stress.
Imburgia, A., Romano, P., Viola, F., Hozumi, N., Morita, S. (2017). Partial Discharges Behavior Under Different Rectified Waveforms. In Proceedings of the International Symposium on Electrical Insulating Materials Volume 1, 27 October 2017 (pp. 114-117). New York, USA : IEEE [10.23919/ISEIM.2017.8088702].
Partial Discharges Behavior Under Different Rectified Waveforms
Imburgia, AWriting – Original Draft Preparation
;Romano, P
Writing – Review & Editing
;Viola, FMembro del Collaboration Group
;
2017-01-01
Abstract
In this work, a previous software used to simulate partial discharges (PDs) under Alternating Current (AC) stress has been modified in order to evaluate the PDs behavior under a voltage stress close to the Direct Current (DC) waveform. By using a full-wave and a half-wave rectifier, the specimen with an air void defects has been subjected to a gradual constant stress. Finally, a capacitive filter has been inserted in order to produce a steadier voltage supply. Simulation results show that under an almost DC waveform, the PDs activity become less compared to AC stress.
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