Breakdown at medium frequencies of thermally aged polyester films

Villibor Jansen; Changjiang Zheng; Claus Leth Bak; Simone Vincenzo Suraci; Alberto Rumi; Andrea Cavallini

doi:10.1109/EIC55835.2023.10177223

Breakdown at medium frequencies of thermally aged polyester films

Villibor Jansen, Changjiang Zheng, Claus Leth Bak, Simone Vincenzo Suraci, Alberto Rumi, Andrea Cavallini

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

1 Citation (Scopus)

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Abstract

This article investigates the evolution of electrical properties of polyethylene terephthalate (PET) with thermal
aging. Electrical tests are performed within a wide range of frequencies in order to simulate the application conditions of insulating materials in inverter-fed machines. In particular, for the aging conditions considered, the real part of permittivity showed to be correlated with the concentration of the degradation species, investigated through FTIR. On the contrary, the dielectric breakdown at high frequencies showed to be independent from the corresponding values of the dissipation factor (tanδ). This behavior would imply that thermal runaway is not the principal phenomenon leading to the dielectric failure.

Original language	English
Title of host publication	2023 IEEE Electrical Insulation Conference
Publisher	IEEE (Institute of Electrical and Electronics Engineers)
Publication date	2023
Article number	10177223
ISBN (Electronic)	9781665493413
DOIs	https://doi.org/10.1109/EIC55835.2023.10177223
Publication status	Published - 2023
Event	2023 IEEE Electrical Insulation Conference (EIC) - Quebec City, Canada Duration: 18 Jun 2023 → 21 Jun 2023

Conference

Conference	2023 IEEE Electrical Insulation Conference (EIC)
Country/Territory	Canada
City	Quebec City
Period	18/06/2023 → 21/06/2023

Series	IEEE Electrical Insulation Conference (EIC)
ISSN	2576-6791

Keywords

Power electronics, thermal stress, breakdown, polyester

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10.1109/EIC55835.2023.10177223

Breakdown at medium frequencies of thermally-aged polyester films 2023057892Accepted author manuscript, 354 KB

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title = "Breakdown at medium frequencies of thermally aged polyester films",

abstract = "This article investigates the evolution of electrical properties of polyethylene terephthalate (PET) with thermal aging. Electrical tests are performed within a wide range of frequencies in order to simulate the application conditions of insulating materials in inverter-fed machines. In particular, for the aging conditions considered, the real part of permittivity showed to be correlated with the concentration of the degradation species, investigated through FTIR. On the contrary, the dielectric breakdown at high frequencies showed to be independent from the corresponding values of the dissipation factor (tanδ). This behavior would imply that thermal runaway is not the principal phenomenon leading to the dielectric failure.",

keywords = "Power electronics, thermal stress, breakdown, polyester",

author = "Villibor Jansen and Changjiang Zheng and Bak, {Claus Leth} and Suraci, {Simone Vincenzo} and Alberto Rumi and Andrea Cavallini",

year = "2023",

doi = "10.1109/EIC55835.2023.10177223",

language = "English",

series = "IEEE Electrical Insulation Conference (EIC)",

publisher = "IEEE (Institute of Electrical and Electronics Engineers)",

booktitle = "2023 IEEE Electrical Insulation Conference",

address = "United States",

note = "2023 IEEE Electrical Insulation Conference (EIC) ; Conference date: 18-06-2023 Through 21-06-2023",

}

Jansen, V, Zheng, C, Bak, CL, Suraci, SV, Rumi, A & Cavallini, A 2023, Breakdown at medium frequencies of thermally aged polyester films. in 2023 IEEE Electrical Insulation Conference., 10177223, IEEE (Institute of Electrical and Electronics Engineers), IEEE Electrical Insulation Conference (EIC), 2023 IEEE Electrical Insulation Conference (EIC), Quebec City, Canada, 18/06/2023. https://doi.org/10.1109/EIC55835.2023.10177223

Breakdown at medium frequencies of thermally aged polyester films. / Jansen, Villibor; Zheng, Changjiang; Bak, Claus Leth et al.
2023 IEEE Electrical Insulation Conference. IEEE (Institute of Electrical and Electronics Engineers), 2023. 10177223 (IEEE Electrical Insulation Conference (EIC)).

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

TY - GEN

T1 - Breakdown at medium frequencies of thermally aged polyester films

AU - Jansen, Villibor

AU - Zheng, Changjiang

AU - Bak, Claus Leth

AU - Suraci, Simone Vincenzo

AU - Rumi, Alberto

AU - Cavallini, Andrea

PY - 2023

Y1 - 2023

N2 - This article investigates the evolution of electrical properties of polyethylene terephthalate (PET) with thermal aging. Electrical tests are performed within a wide range of frequencies in order to simulate the application conditions of insulating materials in inverter-fed machines. In particular, for the aging conditions considered, the real part of permittivity showed to be correlated with the concentration of the degradation species, investigated through FTIR. On the contrary, the dielectric breakdown at high frequencies showed to be independent from the corresponding values of the dissipation factor (tanδ). This behavior would imply that thermal runaway is not the principal phenomenon leading to the dielectric failure.

AB - This article investigates the evolution of electrical properties of polyethylene terephthalate (PET) with thermal aging. Electrical tests are performed within a wide range of frequencies in order to simulate the application conditions of insulating materials in inverter-fed machines. In particular, for the aging conditions considered, the real part of permittivity showed to be correlated with the concentration of the degradation species, investigated through FTIR. On the contrary, the dielectric breakdown at high frequencies showed to be independent from the corresponding values of the dissipation factor (tanδ). This behavior would imply that thermal runaway is not the principal phenomenon leading to the dielectric failure.

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U2 - 10.1109/EIC55835.2023.10177223

DO - 10.1109/EIC55835.2023.10177223

M3 - Article in proceeding

T3 - IEEE Electrical Insulation Conference (EIC)

BT - 2023 IEEE Electrical Insulation Conference

PB - IEEE (Institute of Electrical and Electronics Engineers)

T2 - 2023 IEEE Electrical Insulation Conference (EIC)

Y2 - 18 June 2023 through 21 June 2023

ER -

Breakdown at medium frequencies of thermally aged polyester films

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