Additional Losses of Electrical Machines under Torsional Vibration

A. Arkkio; S. Cederstrom; H. Asad Ali Awan; S. E. Saarakkala; T. P. Holopainen

doi:10.1109/TEC.2017.2733546

Additional Losses of Electrical Machines under Torsional Vibration

A. Arkkio, S. Cederstrom, H. Asad Ali Awan, S. E. Saarakkala, T. P. Holopainen

Department of Electrical Engineering and Automation

Research output: Contribution to journal › Article › Scientific › peer-review

11 Citations (Scopus)

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Abstract

Electric drive trains have a torsional rigid-body vibration mode at a small, non-zero frequency. If an excitation occurs close to this frequency, the vibration amplitude may grow large and the electrical machine may suffer from significant additional losses. Standards set constraints on the oscillating torque in the shaft coupling and on the harmonics of line current. They indirectly limit the vibration amplitude and losses of the machines.

Original language	English
Pages (from-to)	245-251
Number of pages	8
Journal	IEEE Transactions on Energy Conversion
Volume	33
Issue number	1
DOIs	https://doi.org/10.1109/TEC.2017.2733546
Publication status	Published - 2018
MoE publication type	A1 Journal article-refereed

Keywords

additional losses
electrical machines
finite element analysis
temperature rise
torsional vibration

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10.1109/TEC.2017.2733546

ELEC_Arkkio_etal_Additional-Losses_TraEC-2018Accepted author manuscript, 2.02 MB

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AB - Electric drive trains have a torsional rigid-body vibration mode at a small, non-zero frequency. If an excitation occurs close to this frequency, the vibration amplitude may grow large and the electrical machine may suffer from significant additional losses. Standards set constraints on the oscillating torque in the shaft coupling and on the harmonics of line current. They indirectly limit the vibration amplitude and losses of the machines.

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KW - finite element analysis

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Additional Losses of Electrical Machines under Torsional Vibration

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Keywords

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ALEM: Additional Losses in Electrical Machines

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Additional Losses of Electrical Machines under Torsional Vibration

Abstract

Keywords

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ALEM: Additional Losses in Electrical Machines

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