Extending Winding Function Theory to Incorporate Secondary Effects in the Design of Induction Machines and Drives

Baoyun Ge; Wenbo Liu; Jianning Dong; Mingda Liua

doi:10.1109/JESTPE.2021.3054848

Extending Winding Function Theory to Incorporate Secondary Effects in the Design of Induction Machines and Drives

Baoyun Ge, Wenbo Liu, Jianning Dong, Mingda Liua

DC systems, Energy conversion & Storage

Research output: Contribution to journal › Article › Scientific › peer-review

4 Citations (Scopus)

55 Downloads (Pure)

Abstract

High-performance electric drive applications necessitate a high fidelity model to predict the terminal characteristics of machines in the design stage to fulfill a system-level evaluation together with the converters. This article interprets winding function theory (WFT) from the field perspective and incorporates secondary effects, such as slotting and iron nonlinearity into it to accurately predict the main flux linkage in induction machines. The method is centered on resolving the magnetic scalar potential on the two sides of the air gap and computes the flux linkage via a winding function. Its performance is benchmarked against 2-D finite-element analysis (FEA) and the state-of-the-art magnetic equivalent circuit (MEC) method. Flux linkage and torque results indicate that the relative error is within 3.1% even in a highly saturated region when comparing to FEA, while MEC using the same circuit network may present a 20% error.

Original language	English
Pages (from-to)	1915-1924
Number of pages	10
Journal	IEEE Journal of Emerging and Selected Topics in Power Electronics
Volume	10
Issue number	2
DOIs	https://doi.org/10.1109/JESTPE.2021.3054848
Publication status	Published - 2022

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

Air gaps
Flux Linkage
Iron
Magnetic Circuit Network
Magnetic circuits
Rotors
Saturation Effect
Saturation magnetization
Slot Effect
Stator windings
Winding Function Theory
Windings

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10.1109/JESTPE.2021.3054848

09336619Accepted author manuscript, 2.59 MB
Extending_Winding_Function_Theory_to_Incorporate_Secondary_Effects_in_the_Design_of_Induction_Machines_and_DrivesFinal published version, 1.63 MB

Cite this

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title = "Extending Winding Function Theory to Incorporate Secondary Effects in the Design of Induction Machines and Drives",

abstract = "High-performance electric drive applications necessitate a high fidelity model to predict the terminal characteristics of machines in the design stage to fulfill a system-level evaluation together with the converters. This article interprets winding function theory (WFT) from the field perspective and incorporates secondary effects, such as slotting and iron nonlinearity into it to accurately predict the main flux linkage in induction machines. The method is centered on resolving the magnetic scalar potential on the two sides of the air gap and computes the flux linkage via a winding function. Its performance is benchmarked against 2-D finite-element analysis (FEA) and the state-of-the-art magnetic equivalent circuit (MEC) method. Flux linkage and torque results indicate that the relative error is within 3.1% even in a highly saturated region when comparing to FEA, while MEC using the same circuit network may present a 20% error.",

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AU - Dong, Jianning

AU - Liua, Mingda

N1 - Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

PY - 2022

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N2 - High-performance electric drive applications necessitate a high fidelity model to predict the terminal characteristics of machines in the design stage to fulfill a system-level evaluation together with the converters. This article interprets winding function theory (WFT) from the field perspective and incorporates secondary effects, such as slotting and iron nonlinearity into it to accurately predict the main flux linkage in induction machines. The method is centered on resolving the magnetic scalar potential on the two sides of the air gap and computes the flux linkage via a winding function. Its performance is benchmarked against 2-D finite-element analysis (FEA) and the state-of-the-art magnetic equivalent circuit (MEC) method. Flux linkage and torque results indicate that the relative error is within 3.1% even in a highly saturated region when comparing to FEA, while MEC using the same circuit network may present a 20% error.

AB - High-performance electric drive applications necessitate a high fidelity model to predict the terminal characteristics of machines in the design stage to fulfill a system-level evaluation together with the converters. This article interprets winding function theory (WFT) from the field perspective and incorporates secondary effects, such as slotting and iron nonlinearity into it to accurately predict the main flux linkage in induction machines. The method is centered on resolving the magnetic scalar potential on the two sides of the air gap and computes the flux linkage via a winding function. Its performance is benchmarked against 2-D finite-element analysis (FEA) and the state-of-the-art magnetic equivalent circuit (MEC) method. Flux linkage and torque results indicate that the relative error is within 3.1% even in a highly saturated region when comparing to FEA, while MEC using the same circuit network may present a 20% error.

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Extending Winding Function Theory to Incorporate Secondary Effects in the Design of Induction Machines and Drives

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