Study on grasping partial discharge development using an acoustic emission technique

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Published Mar 2, 2017
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Volume 13, Issue 1, March 2017

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Tatsuya Sakoda
Department of Electrical and Systems Engineering, University of Miyazaki, 1-1 Gakuenkibanadai-Nishi, Miyazaki 889-2192
Toshiki Hirashima
Department of Electrical and Systems Engineering, University of Miyazaki, 1-1 Gakuenkibanadai-Nishi, Miyazaki 889-2192
Tomoya Nakamura
Department of Electrical and Systems Engineering, University of Miyazaki, 1-1 Gakuenkibanadai-Nishi, Miyazaki 889-2192
Yugo Shirahama
Department of Electrical and Systems Engineering, University of Miyazaki, 1-1 Gakuenkibanadai-Nishi, Miyazaki 889-2192
Noriyuki Hayashi
Department of Electrical and Systems Engineering, University of Miyazaki, 1-1 Gakuenkibanadai-Nishi, Miyazaki 889-2192

Abstract

To investigate the stage development of Partial Discharge (PD) for Ethylene Propylene (EP) rubber used for insulation material of joint and terminal sections of cross-linked polyethylene (XLPE) cable, we focused on the magnitude of PD and the cumulative number of PDs per unit time. It was difficult to grasp the stage development of PD by temporal variations in Acoustic Emission (AE) signal intensity and the number of counted AE signals because they contained periods during which PD activity was not high even before breakdown occurred. In contrast, the cumulative number of AE signals could clearly show a point of time when a PD might form a pit or a tree in EP.

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How to Cite
Sakoda, T., Hirashima, T., Nakamura, T., Shirahama, Y., & Hayashi, N. (2017). Study on grasping partial discharge development using an acoustic emission technique. Power Research - A Journal of CPRI, 13–18. Retrieved from https://node6473.myfcloud.com/~geosocin/CPRI/index.php/pr/article/view/130

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