Time Transition of Conductivity Distribution in Air by DC Partial Discharge for Air-solid Composite Insulation Systems

R. Nakane; H. Kojima; J. Suehiro; H. Okubo; N. Hayakawa

doi:10.1109/CEIDP49254.2020.9437492

Time Transition of Conductivity Distribution in Air by DC Partial Discharge for Air-solid Composite Insulation Systems

R. Nakane, H. Kojima, J. Suehiro, H. Okubo, N. Hayakawa

Applied Energy Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Toward the development of HVDC power apparatus, we investigate the charging process on solid insulator in terms of the time transition of conductivity distribution in air for air-solid composite insulation system from DC-on to DC steady-state. By using needle-air-PMMA-plane electrode configuration, we measure the time evolution of surface potential on PMMA due to partial discharge at the needle tip under negative DC voltage. We compare the measured surface potential distribution with the simulation result considering the charge behavior in air. Especially, a novel simulation model considering the charge supply due to DC partial discharge is built. As a result, in air-solid composite insulation system under negative DC application, the time transition of conductivity distribution in air corresponding to the charge accumulation is evaluated quantitatively.

Original language	English
Title of host publication	CEIDP 2020 - 2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	55-58
Number of pages	4
ISBN (Electronic)	9781728195728
DOIs	https://doi.org/10.1109/CEIDP49254.2020.9437492
Publication status	Published - Oct 18 2020
Event	2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2020 - Virtual, East Rutherford, United States Duration: Oct 18 2020 → Oct 30 2020

Publication series

Name	Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP
Volume	2020-October
ISSN (Print)	0084-9162

Conference

Conference	2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2020
Country/Territory	United States
City	Virtual, East Rutherford
Period	10/18/20 → 10/30/20

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Access to Document

10.1109/CEIDP49254.2020.9437492

Cite this

Nakane, R., Kojima, H., Suehiro, J., Okubo, H., & Hayakawa, N. (2020). Time Transition of Conductivity Distribution in Air by DC Partial Discharge for Air-solid Composite Insulation Systems. In CEIDP 2020 - 2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena (pp. 55-58). [9437492] (Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP; Vol. 2020-October). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CEIDP49254.2020.9437492

Time Transition of Conductivity Distribution in Air by DC Partial Discharge for Air-solid Composite Insulation Systems. / Nakane, R.; Kojima, H.; Suehiro, J.; Okubo, H.; Hayakawa, N.

CEIDP 2020 - 2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena. Institute of Electrical and Electronics Engineers Inc., 2020. p. 55-58 9437492 (Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP; Vol. 2020-October).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Nakane, R, Kojima, H, Suehiro, J, Okubo, H & Hayakawa, N 2020, Time Transition of Conductivity Distribution in Air by DC Partial Discharge for Air-solid Composite Insulation Systems. in CEIDP 2020 - 2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena., 9437492, Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP, vol. 2020-October, Institute of Electrical and Electronics Engineers Inc., pp. 55-58, 2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2020, Virtual, East Rutherford, United States, 10/18/20. https://doi.org/10.1109/CEIDP49254.2020.9437492

Nakane R, Kojima H, Suehiro J, Okubo H, Hayakawa N. Time Transition of Conductivity Distribution in Air by DC Partial Discharge for Air-solid Composite Insulation Systems. In CEIDP 2020 - 2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena. Institute of Electrical and Electronics Engineers Inc. 2020. p. 55-58. 9437492. (Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP). https://doi.org/10.1109/CEIDP49254.2020.9437492

Nakane, R. ; Kojima, H. ; Suehiro, J. ; Okubo, H. ; Hayakawa, N. / Time Transition of Conductivity Distribution in Air by DC Partial Discharge for Air-solid Composite Insulation Systems. CEIDP 2020 - 2020 IEEE Conference on Electrical Insulation and Dielectric Phenomena. Institute of Electrical and Electronics Engineers Inc., 2020. pp. 55-58 (Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP).

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Time Transition of Conductivity Distribution in Air by DC Partial Discharge for Air-solid Composite Insulation Systems

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