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Cited by 83High voltage insulation and dielectric phenomenaPower Transformer Diagnostics and InsulationDielectric materials and actuators

The DOI matches its Crossref record.

Partial discharge behavior and ground insulation life expectancy under different voltage frequencies

Liu, Tao, Li, Qingmin, Huang, Xuwei, Lu, Yangfei, Asif, Muhammad, Wang, Zhongdong·2018·IEEE Transactions on Dielectrics and Electrical Insulation
DOI 10.1109/tdei.2018.006810
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Abstract

Power electronic transformers, namely solid state transformers, have aroused a widespread attention due to the integration issue of large scale renewable energy in modern power system. High frequency power transformer (HFPT) is one of its key components operating at several to tens of kHz. Under such high frequency voltage, accelerated insulation aging and premature insulation failure occur frequently. Partial discharge (PD) is considered as the main cause of electrical performance deterioration in HV systems or LV ones where overvoltage or surge may occur. Therefore, it is necessary to study the PD behavior and insulation life under different voltage frequencies, in order to have a better understanding of premature failure mechanism. In this paper frequency dependence of space charge and PD properties is firstly analyzed theoretically and mathematically, followed by the results of electrical aging tests conducted on polyimide (PI) films that were subjected to surface PDs under 5-30 kHz sinusoidal voltage. Discharge characteristics and lifetime of PI film under different frequencies have been discussed, along with the correlation between lifetime and PD. Both theoretical analyses and experimental results show that average PD amplitude and total PD number per cycle increase first and then decrease afterwards with voltage frequency, which means that the frequency induced inflection phenomenon exists in the tested frequency range. Synergistic action of high frequency induced the…

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Research works printed but not linked: 24

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Metadata

Authors
Liu, T., Li, Q., Huang, X., Lu, Y., Asif, M., & Wang, Z.
Affiliations
  • North China Electric Power University (CN)
  • University of Manchester (GB)
ORCID
Venue
IEEE Transactions on Dielectrics and Electrical Insulation
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Published
2018-04
Volume
25
Issue
2
Pages
603-613
ISSN
1070-9878 (ISSN-L)
DOI
10.1109/tdei.2018.006810
OpenAlex
W2798812880
Cited by
83
References
0
Citations by year
2026: 2 · 2025: 12 · 2024: 17 · 2023: 9 · 2022: 9 · 2021: 10 · 2020: 11 · 2019: 7 · 2018: 6
FWCI
3.17
Type
journal article
Language
en
Open access
closed
Licence
ieeexplore.ieee.org/Xplorehelp/downloads/license-information/IEEE.html (vor)
Locations
  • IEEE Transactions on Dielectrics and Electrical Insulation (publishedVersion)
  • Research Explorer (The University of Manchester) (submittedVersion)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › High voltage insulation and dielectric phenomena
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Power Transformer Diagnostics and Insulation
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Dielectric materials and actuators
Keywords
partial discharge, high-frequency transformer, solid-state transformer, insulation degradation, life expectancy, space charge, polyimide films, surface discharge, accelerated aging, thermal effects, dielectric breakdown, renewable energy integration

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CoChat. (2026). Citation check: Partial discharge behavior and ground insulation life expectancy under different voltage frequencies. https://app.cochat.ai/papers/10.1109/tdei.2018.006810
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Liu, T., Li, Q., Huang, X., Lu, Y., Asif, M., & Wang, Z. (2018). Partial discharge behavior and ground insulation life expectancy under different voltage frequencies. IEEE Transactions on Dielectrics and Electrical Insulation. https://doi.org/10.1109/tdei.2018.006810