A Practical Thermal Model for the Estimation of Permanent Magnet and Stator Winding Temperatures

Abstract-This paper proposes an active thermal management scheme for Interior Permanent Magnet Synchronous Machine (IPMSM) drives based on the model predictive control concept. The proposed control scheme can adaptively set torque limit based on the thermal state of the machine to limit the machine winding and end-winding temperatures. The proposed control scheme is assessed by experiments on a laboratory machine drive system and simulated for traction drives over Worldwide Harmonized Lightduty Test Cycle (WLTC). Compared with conventional traction control scheme, the proposed scheme can effectively reduce peak temperature and hence thermal stress of the machine for improving its lifetime.

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“…2, a motor thermal model is needed. In this section, a low-order LPTN model [14], [18] is adopted as shown in Fig. 3.…”

Section: Three Nodes Lumped Parameter Thermal Networkmentioning

confidence: 99%

Active Thermal Management for Interior Permanent Magnet Synchronous Machine (IPMSM) Drives Based on Model Predictive Control

Sun

Wang

Griffo

et al. 2018

IEEE Trans. on Ind. Applicat.

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“…More detailed model descriptions can be found in [1]. Parametrization rules for multi phase machines with phase numbers greater or equal to three are described in [4].…”

Section: Library Structure and Componentsmentioning

confidence: 99%

New Multi Phase Quasi Static Fundamental Wave Electric Machine Models for High Performance Simulations

Kral¹,

Haumer

Machines³

2014

Linköping Electronic Conference Proceedings

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A new quasi static fundamental wave machines library will be included in the magnetic domain package of the next Modelica Standard Library (MSL). The provided classes of machine models omit all transient electrical effects, but mechanical dynamics are fully taken into account. By including the new machine models new classes of problems can be treated, enabling fast electric machine and drive simulations. Yet, all the characteristic loss effects of transient machine models are fully taken into account, where needed. Phase numbers greater than three are supported. For each machine type available in the MSL there will then exist both a fully transient and a quasi static electric machine model. The package structure of the quasi static fundamental wave package and the concept of implementation will be presented. All required assumptions and limitations for operating the new machine models will be presented and discussed. Deviating parameters compared to the transient machine models will be discussed and explained. Simulation examples will be presented and compared with transient simulation experiments. Possible applications for the new machine models will be outlined.

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“…Hao et al [6] improved the accuracy of the thermal circuit model by introducing a thermal resistance with a transient thermal characteristic. Kral et al [7] studied the structural characteristics of thermal circuits for different topologies and cooling systems of motors. However, these studies and existing thermal circuit models have been developed based on a fully enclosed motor structure in which the internal air and external air of the motor are isolated from one another.…”

Section: Introductionmentioning

confidence: 99%

Thermal nexus model for the thermal characteristic analysis of an open-type air-cooled induction motor

Kim

Lee

2017

Applied Thermal Engineering

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A Practical Thermal Model for the Estimation of Permanent Magnet and Stator Winding Temperatures

Cited by 165 publications

References 27 publications

Active Thermal Management for Interior Permanent Magnet Synchronous Machine (IPMSM) Drives Based on Model Predictive Control

Active Thermal Management for Interior Permanent Magnet Synchronous Machine (IPMSM) Drives Based on Model Predictive Control

New Multi Phase Quasi Static Fundamental Wave Electric Machine Models for High Performance Simulations

Thermal nexus model for the thermal characteristic analysis of an open-type air-cooled induction motor

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