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TECHNICAL PAPERS

Design of an Adaptive Vibration Absorber to Reduce Electrical Transformer Structural Vibration

[+] Author and Article Information
Simon G. Hill, Scott D. Snyder

Department of Mechanical Engineering, Adelaide University, Adelaide 5005, Australia

J. Vib. Acoust 124(4), 606-611 (Sep 20, 2002) (6 pages) doi:10.1115/1.1500338 History: Received February 01, 2001; Revised April 01, 2002; Online September 20, 2002
Copyright © 2002 by ASME
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References

Hesselmann,  N., 1978, “Investigation of Noise Reduction on a 100 KVA Transformer Tank by Means of Active Methods,” Appl. Acoust. 11, pp. 27–34.
Angevine, O. L., 1981, “Active Acoustic Attenuation of Electric Transformer Noise,” Proceedings of InterNoise, pp. 303–306.
Angevine, O. L., 1992, “Active Cancellation of the Hum of Large Electrical Transformers,” Proceedings InterNoise 92, Toronto, pp. 313–316.
Angevine, O. L., 1993, “Active Control of Hum from Large Power Transformers: The Real World,” Proceedings of the 2nd Conference on Recent Advances in Active Control of Sound and Vibration, pp. 279–290.
Angevine,  O. L., 1995, “Active Systems for Attenuation of Noise,” International Journal of Active Control 1, pp. 65–78.
Li, X., Qiu, X., Gu, R., Koehler, R., and Hansen, C. H., 1999, “Active Control of Large Electrical Transformer Noise Using Near-Field Error Sensing,” Proceedings of the AAS Conference 1999, pp. 141–148.
Brennan,  M. J., 1997, “Vibration Control Using a Tunable Vibration Neutralizer,” J. Mech. Eng. Sci., 21, pp. 91–108.
Brennan,  M. J. and Dayou,  J., 2000, “Global Control of Vibration Using a Tunable Vibration Neutralizer,” J. Sound Vib. 232, pp. 585–600.
Fuller,  C. R., Maillard,  J. P., Mercadel,  M., and Von-Flotow,  A. H., 1997, “Control of Aircraft Interior Noise Using Globally Detuned Vibration Absorbers,” J. Sound Vib. 203, pp. 745–761.
Huang,  Y. M., and Fuller,  C. R., 1997, “The Effects of Dynamic Absorbers on the Forced Vibration of a Cylindrical Shell and Its Coupled Interior Sound Field,” J. Sound Vib. 200, p. 401–418.
Huang,  Y. M., and Fuller,  C. R., 1998, “Vibration and Noise Control of the Fuselage via Dynamic Absorbers,” ASME J. Vibr. Acoust. 120, pp. 496–502.
The Dogbone Vibration Damper Type DB Data Sheet, produced by Dulmison.
Mocks, L., 1984, “Damping of High-Voltage Overhead Line Conductor Vibrations,” VDE-Verlang Gmbh, Berlin and Offenbach, Bismackstrasse, D-1000 Berlin 12.
Tompkins, J. S., Merrill, L. L., and Jones, B. L., 1956, “Relationships in Vibration Damping,” AIEE Winter General Meeting, New York, January 30–February 3.
Walsh,  P. L. and Lamancusa,  J. S., 1992, “A Variable Stiffness Vibration Absorber for the Minimisation of Transient Vibrations,” J. Sound Vib. 158, pp. 195–211.
Franchek,  M. A., and Brehand,  R. J., 1995, “Adaptive Passive Vibration Control,” J. Sound Vib. 189, pp. 565–585.
Long,  T., Brennan,  M. J., and Elliott,  S. J., 1998, “Design of Smart Machinery Installations to Reduce Transmitted Vibrations by Adaptive Modification of Internal Forces,” Journal of Systems and Control 12, pp. 215–228.
Sun, J. Q., Norris, M. A., and Jolly, M. R., 1995, “Passive, Adaptive and Active Tuned Vibration Absorber - A Survey,” Journal of Vibration and Acoustics/ Journal of Mechanical Design Special 50th Anniversary Design Issue, pp. 234–242.
Korenev, B. G., and Reznkov, L. M., 1993, Dynamic Vibration Absorbers, Wiley, West Sussex.

Figures

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Primary system and absorber schematic
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Frequency response with a well tuned absorber
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Theoretical response for different amounts of damping
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X-axis vibration reduction
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Y-axis vibration reduction
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Absorber Modes, clockwise from top left, mode 1, 2, 3, 4, 5 and 6. Modal frequencies 95, 105, 196, 204, 295, 304 Hz.
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Tuning Mode three and four
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Tuning Mode five and six
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Absorber higher order modes with plate response
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Experimental setup for beam testing
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Notch at beam resonance
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Transformer measurement locations

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