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Inverter losses min...
Inverter losses minimization using variable switching frequency based on multi-objective optimization
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- Andersson, A. (author)
- Volvo Cars
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- Thiringer, Torbjörn, 1966 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- ISBN 9781479943890
- 2014
- 2014
- English.
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In: Proceedings - 2014 International Conference on Electrical Machines, ICEM 2014. - 9781479943890 ; :Art. no. 6960271, s. 789-795
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Abstract
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- This article presents the result of an VSI-losses minimization technique based on multi-objective convex optimization for a salient-pole PMSM with a two-level VSI for an automotive application. The optimization, using the switching frequency as control variable, is based on a multi-objective cost function defined by the combination of VSI-losses and electromagnetic torque peak-peak ripple, analytically expressed using time-domain current predictions. The optimization target is to keep an optimum balance between VSI-losses and electromagnetic torque ripple, using variable switching frequency (VSF). The primary objective with this article is the presented design methodology. Simulations are used to verify functionality as well as influence of different scaling factors. In addition, the NEDC driving cycle is used to further quantify the results for two different cost function setups.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Keyword
- Automotive applications
- Energy efficiency
- Optimization
- Convex functions
- Electric vehicles
- Power semiconductor devices
Publication and Content Type
- kon (subject category)
- ref (subject category)
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