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Energy Optimal Switching Frequency for a 750V Metro Traction Drive Using Silicon Carbide MOSFET Inverter
Mälardalen University, School of Innovation, Design and Engineering. Bombardier Transportation, Västerås, Sweden.ORCID iD: 0000-0002-5766-4356
Bombardier Transportation, Västerås, Sweden.
Bombardier Transportation, Västerås, Sweden.
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0002-7233-6916
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2018 (English)In: Energy Optimal Switching Frequency for a 750V Metro Traction Drive Using Silicon Carbide MOSFET Inverter, 2018Conference paper, Poster (with or without abstract) (Refereed)
Abstract [en]

The introduction of Silicon Carbide (SiC) MOSFET based inverters into the traction drive makes it possible to increase the inverter switching frequency and reduce energy consumption. This paper describes how to model switching frequency dependent losses in the traction drive and compares the calculated losses to measurements done on a newly developed SiC MOSFET based traction drive. The results from the developed loss models of motor and inverter agrees well with the results from energy measurements. This paper concludes that the energy use of the traction motor and inverter can be simulated well using simple models where skin-effect losses in the motor are modelled in detailed. This paper also concludes that in terms of energy efficiency, the optimal switching frequency using a SiC MOSFET based inverter, is in the range of 3-6 kHz.

Place, publisher, year, edition, pages
2018.
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-42582OAI: oai:DiVA.org:mdh-42582DiVA, id: diva2:1286085
Conference
10th International Conference on Applied Energy (ICAE2018), 22-25 August 2018, Hong Kong, China
Available from: 2019-02-06 Created: 2019-02-06 Last updated: 2019-06-03Bibliographically approved

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Dahlquist, ErikMaher, Azaza

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