Acoustic noise prediction in a vector controlled induction machine
(2003) International Electric Machines & Drives Conference p.104-110- Abstract
- The deterministic approach for the prediction of noise in electrical machines is generally based on the use of FEM/BEM models. Mechanical and electromagnetic properties included in these models, such as the damping or the BH curve, are difficult to estimate, compromising the accuracy in the noise prediction. Simulations showed that a 10% increase in the saturated part of the BH curve results in an increase of up to 3 dB in the sound power level, and that the sound power level could be reduced by up to 10 dB with a 5 times increase in the damping coefficient. The accuracy of the noise prediction was tested using a vector controlled drive with a very high PWM switching frequency. This system allowed the structure to be excited with the... (More)
- The deterministic approach for the prediction of noise in electrical machines is generally based on the use of FEM/BEM models. Mechanical and electromagnetic properties included in these models, such as the damping or the BH curve, are difficult to estimate, compromising the accuracy in the noise prediction. Simulations showed that a 10% increase in the saturated part of the BH curve results in an increase of up to 3 dB in the sound power level, and that the sound power level could be reduced by up to 10 dB with a 5 times increase in the damping coefficient. The accuracy of the noise prediction was tested using a vector controlled drive with a very high PWM switching frequency. This system allowed the structure to be excited with the radial and tangential forces independently. Discrepancies between predictions and measurements of the sound power level at low frequencies have been attributed to the rotor and some stator/casing modes not being modeled, while at high frequencies, discrepancies are due to skewing of the rotor not being included in the model (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/611964
- author
- Martinez, David LU and Lai, J.C.S.
- organization
- publishing date
- 2003
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- keywords
- PWM switching frequency, sound power level, BH curve, damping coefficient, electromagnetic properties, mechanical properties, FEM/BEM models, vector controlled induction machine, acoustic noise prediction, radial forces, tangential forces, rotor, stator
- host publication
- IEMDC'03. IEEE International Electric Machines and Drives Conference (Cat. No.03EX679)
- pages
- 104 - 110
- publisher
- IEEE - Institute of Electrical and Electronics Engineers Inc.
- conference name
- International Electric Machines & Drives Conference
- conference location
- Madison, WI, United States
- conference dates
- 2003-06-01 - 2003-06-04
- external identifiers
-
- wos:000183794800015
- scopus:84865810732
- ISBN
- 0-7803-7817-2
- DOI
- 10.1109/IEMDC.2003.1211249
- language
- English
- LU publication?
- yes
- id
- b640d1bc-6f11-482e-93ec-79ab73eef1f2 (old id 611964)
- date added to LUP
- 2016-04-04 12:02:09
- date last changed
- 2022-01-29 22:47:17
@inproceedings{b640d1bc-6f11-482e-93ec-79ab73eef1f2,
abstract = {{The deterministic approach for the prediction of noise in electrical machines is generally based on the use of FEM/BEM models. Mechanical and electromagnetic properties included in these models, such as the damping or the BH curve, are difficult to estimate, compromising the accuracy in the noise prediction. Simulations showed that a 10% increase in the saturated part of the BH curve results in an increase of up to 3 dB in the sound power level, and that the sound power level could be reduced by up to 10 dB with a 5 times increase in the damping coefficient. The accuracy of the noise prediction was tested using a vector controlled drive with a very high PWM switching frequency. This system allowed the structure to be excited with the radial and tangential forces independently. Discrepancies between predictions and measurements of the sound power level at low frequencies have been attributed to the rotor and some stator/casing modes not being modeled, while at high frequencies, discrepancies are due to skewing of the rotor not being included in the model}},
author = {{Martinez, David and Lai, J.C.S.}},
booktitle = {{IEMDC'03. IEEE International Electric Machines and Drives Conference (Cat. No.03EX679)}},
isbn = {{0-7803-7817-2}},
keywords = {{PWM switching frequency; sound power level; BH curve; damping coefficient; electromagnetic properties; mechanical properties; FEM/BEM models; vector controlled induction machine; acoustic noise prediction; radial forces; tangential forces; rotor; stator}},
language = {{eng}},
pages = {{104--110}},
publisher = {{IEEE - Institute of Electrical and Electronics Engineers Inc.}},
title = {{Acoustic noise prediction in a vector controlled induction machine}},
url = {{http://dx.doi.org/10.1109/IEMDC.2003.1211249}},
doi = {{10.1109/IEMDC.2003.1211249}},
year = {{2003}},
}