Dr. HADI NADERIALLAF HADI.NADERIALLAF@NOTTINGHAM.AC.UK
Research Fellow
Temperature Impact on PDIV for Turn-to-Turn Insulation of Inverter-Fed Motors: From Ground Level to Cruising Altitude
Naderiallaf, H.; Ji, Y.; Giangrande, P.; Galea, M.
Authors
Y. Ji
P. Giangrande
M. Galea
Abstract
Considering the turn-to-turn insulation as the most susceptible part to the failure of the electrical machine’s insulation system in inverter-fed motors, this paper aims to elucidate the effect of temperature ( T ) on the streamer inception parameters (SIPs), including the Schumann constant ( K ), critical field line length (CFLL), air effective ionization coefficient (α eff ), and streamer inception field ( E inc ). Particular attention is also given to extending the partial discharge inception (PDIV) modelling at cruising altitude (CA), equivalent to the air pressure of 200 mbar, as a function of T based on the Schumann streamer inception criterion (SCSIC), compared with the results obtained at 1000 mbar, i.e., ground level (GL). Furthermore, the ratios of SIPs and PDIV values at CA to those attained at GL are analysed as a function of T . The investigation findings serve as a prescription for electrical machine designers to enhance the insulating design of electrical machines used in More Electric Aircraft (MEA) applications.
Citation
Naderiallaf, H., Ji, Y., Giangrande, P., & Galea, M. (2024). Temperature Impact on PDIV for Turn-to-Turn Insulation of Inverter-Fed Motors: From Ground Level to Cruising Altitude. IEEE Transactions on Dielectrics and Electrical Insulation, 31(2), 1044-1053. https://doi.org/10.1109/TDEI.2023.3313569
Journal Article Type | Article |
---|---|
Acceptance Date | Sep 6, 2023 |
Online Publication Date | Sep 11, 2023 |
Publication Date | 2024-04 |
Deposit Date | Sep 29, 2023 |
Publicly Available Date | Oct 18, 2023 |
Journal | IEEE Transactions on Dielectrics and Electrical Insulation |
Print ISSN | 1070-9878 |
Electronic ISSN | 1558-4135 |
Publisher | Institute of Electrical and Electronics Engineers |
Peer Reviewed | Peer Reviewed |
Volume | 31 |
Issue | 2 |
Pages | 1044-1053 |
DOI | https://doi.org/10.1109/TDEI.2023.3313569 |
Keywords | Partial discharges , Electric fields , Insulation , Frequency locked loops , Ionization , Wires , Finite element analysis, Electric machines , finite element analysis , insulation , partial discharges , reliability , temperature |
Public URL | https://nottingham-repository.worktribe.com/output/25389923 |
Publisher URL | https://ieeexplore.ieee.org/document/10246352 |
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