Estimation of temperature dependent equivalent circuit parameters for traction-based electric machines

Oluwaleke Agbaje; D.F. Kavanagh; Malgorzata Sumislawska; D.A. Howey; M.D. McCulloch; Keith Burnham

doi:10.1049/cp.2013.1898

Estimation of temperature dependent equivalent circuit parameters for traction-based electric machines

Oluwaleke Agbaje, D.F. Kavanagh, Malgorzata Sumislawska, D.A. Howey, M.D. McCulloch, Keith Burnham

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

9 Citations (Scopus)

103 Downloads (Pure)

Abstract

The influence of temperature conditions on electric machine models is not well understood. This paper investigates modelling the temperature dependence of equivalent circuit parameters. Experiments have been performed on an induction machine to characterise its impedance response (up to 10 MHz) over the temperature range (22.4-210) oC. Using these measurements non-linear parameter estimation is performed using the Nelder-Mead method to derive temperature-dependent models, with an average absolute magnitude error of 270 Ω. The accuracy has been evaluated over the frequency range for the different temperatures and highlights where improvements are needed. This work has important applications in electric machine design and condition monitoring. Also it provides a valuable precursor towards developing age-dependent models for traction based applications.

Original language	English
Title of host publication	Hybrid and Electric Vehicles Conference 2013 (HEVC 2013)]
Place of Publication	London
Publisher	Institution of Engineering and Technology
Pages	4.3-
Volume	621 CP
ISBN (Print)	9781849197762
DOIs	https://doi.org/10.1049/cp.2013.1898
Publication status	Published - 2013
Event	IET Hybrid and Electric Vehicles Conference 2013, HEVC 2013 - London, United Kingdom Duration: 6 Nov 2013 → 7 Nov 2013

Conference

Conference	IET Hybrid and Electric Vehicles Conference 2013, HEVC 2013
Country/Territory	United Kingdom
City	London
Period	6/11/13 → 7/11/13

Bibliographical note

The paper was given at the IET Hybrid and Electric Vehicles Conference 2013 (HEVC 2013) 6-7 Nov 2013 in London, UK.
© 2014 The Institution of Engineering and Technology (IET)

Keywords

condition monitoring
asynchronous machines
parameter estimation
equivalent circuits
traction

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10.1049/cp.2013.1898

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Estimation of temperature dependent equivalent circuit parameters for traction-based electric machines. / Agbaje, Oluwaleke; Kavanagh, D.F.; Sumislawska, Malgorzata et al.
Hybrid and Electric Vehicles Conference 2013 (HEVC 2013)]. Vol. 621 CP London: Institution of Engineering and Technology, 2013. p. 4.3-.

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

Agbaje, O, Kavanagh, DF, Sumislawska, M, Howey, DA, McCulloch, MD & Burnham, K 2013, Estimation of temperature dependent equivalent circuit parameters for traction-based electric machines. in Hybrid and Electric Vehicles Conference 2013 (HEVC 2013)]. vol. 621 CP, Institution of Engineering and Technology, London, pp. 4.3-, IET Hybrid and Electric Vehicles Conference 2013, HEVC 2013, London, United Kingdom, 6/11/13. https://doi.org/10.1049/cp.2013.1898

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abstract = "The influence of temperature conditions on electric machine models is not well understood. This paper investigates modelling the temperature dependence of equivalent circuit parameters. Experiments have been performed on an induction machine to characterise its impedance response (up to 10 MHz) over the temperature range (22.4-210) oC. Using these measurements non-linear parameter estimation is performed using the Nelder-Mead method to derive temperature-dependent models, with an average absolute magnitude error of 270 Ω. The accuracy has been evaluated over the frequency range for the different temperatures and highlights where improvements are needed. This work has important applications in electric machine design and condition monitoring. Also it provides a valuable precursor towards developing age-dependent models for traction based applications. ",

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AU - McCulloch, M.D.

AU - Burnham, Keith

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AB - The influence of temperature conditions on electric machine models is not well understood. This paper investigates modelling the temperature dependence of equivalent circuit parameters. Experiments have been performed on an induction machine to characterise its impedance response (up to 10 MHz) over the temperature range (22.4-210) oC. Using these measurements non-linear parameter estimation is performed using the Nelder-Mead method to derive temperature-dependent models, with an average absolute magnitude error of 270 Ω. The accuracy has been evaluated over the frequency range for the different temperatures and highlights where improvements are needed. This work has important applications in electric machine design and condition monitoring. Also it provides a valuable precursor towards developing age-dependent models for traction based applications.

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KW - asynchronous machines

KW - parameter estimation

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KW - traction

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Estimation of temperature dependent equivalent circuit parameters for traction-based electric machines

Abstract

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Bibliographical note

Keywords

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