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Parameter characterization of low frequency pulsating emissions from space vector PWM drives
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.ORCID iD: 0000-0002-4133-3317
2011 (English)In: Proceedings of 2010 IEEE Vehicle Power and Propulsion Conference, VPPC 2010: Lille; 1 September 2010 - 3 September 2010, Piscataway, NJ: IEEE Communications Society, 2011Conference paper, Published paper (Refereed)
Abstract [en]

Power converters in hybrid electric drives constitute a major source of electromagnetic disturbances. Recent studies have established that the space vector PWM scheme commonly employed in drive systems, generates low frequency pulsating (LFP) emissions, at a frequency of 6f0, where f0 is the fundamental frequency the phase voltages. The switching of voltage vectors generates common mode current (icm) spikes due to the presence of stray capacitances and inductances. Across sector boundaries, the icm spikes superpose forming spikes of double or tipple amplitude which constitute the LFP emissions. These pulsating emissions could pose EMC issues, and functionality issues like torque pulsations and speed fluctuations that could affect the reliability of the drive. This paper investigates the effects of drive speed, load, and converter slew rates, on the amplitude of the LFP emissions, using theoretical models.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 2011.
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Industrial Electronics
Identifiers
URN: urn:nbn:se:ltu:diva-27169DOI: 10.1109/VPPC.2010.5729167Local ID: 081215fc-4f30-4378-ab0b-d1e3ba6d2f16ISBN: 978-1-4244-8220-7 (electronic)OAI: oai:DiVA.org:ltu-27169DiVA, id: diva2:1000351
Conference
IEEE Vehicle Power and Propulsion Conference : 01/09/2010 - 03/09/2010
Note
Godkänd; 2011; Bibliografisk uppgift: Article number 5729167 ; 20110426 (andbra)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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