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Title
Synchronized Switching Modulation to Reduce the DC-Link Current in SRM DrivesAuthor
Author (from another institution)
xmlui.dri2xhtml.METS-1.0.item-contributorOtherinstitution
https://ror.org/000xsnr85https://ror.org/03mb6wj31
Version
http://purl.org/coar/version/c_970fb48d4fbd8a85
Rights
© 2020 The AuthorsAccess
http://purl.org/coar/access_right/c_abf2Publisher’s version
https://doi.org/10.1109/ACCESS.2020.2982269Published at
IEEE Access Vol. 8. PP. 57849-57858xmlui.dri2xhtml.METS-1.0.item-publicationfirstpage
57849xmlui.dri2xhtml.METS-1.0.item-publicationlastpage
57858Publisher
IEEEKeywords
switched reluctance motorsmotor current control
inverter modulation
capacitor current reduction
Abstract
Switched Reluctance Machines (SRM) are emerging as a possible alternative in terms of cost and supply stability to rare earth based electric vehicle traction systems. However, because of the huge amou ... [+]
Switched Reluctance Machines (SRM) are emerging as a possible alternative in terms of cost and supply stability to rare earth based electric vehicle traction systems. However, because of the huge amounts of energy stored and transferred back and forth between the DC source and the SRM, large DC-link capacitors must be used as buffers, which increases overall costs and size. This paper proposes a novel modulation technique which forces the exchange of energy between phases while decreasing the energy transfer between the DC bus and the SRM. This means lower DC bus currents (capacitor size and cost reduction) and lower Joule-effect conduction losses (better efficiency). The proposed modulation has been validated experimentally in a test bench and compared with the conventional torque-sharing function. [-]
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