The control of overhead transmission lines vibrations is achieved by Stockbridge dampers. However, the effectiveness of the damper is significantly dependent on its location on the conductor. This paper studies the arrangement of Stockbridge dampers on power lines vibrations using both analytical and experimental approaches. An explicit expression of the loop length is presented for the first time. This expression is used to determine the optimal damper location based on a rational approach. The effectiveness of the proposed approach is validated numerically and experimentally. The results show very good agreement and indicate that Stockbridge dampers are more effective for asymmetrical damping arrangement with the bigger counterweight oriented toward the tower.
Rational Damping Arrangement Design for Transmission Lines Vibrations: Analytical and Experimental Analysis
Central Michigan University,
Mount Pleasant, MI 48859
Toronto, ON M5B 2K3, Canada
Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received November 18, 2015; final manuscript received December 1, 2016; published online March 22, 2017. Assoc. Editor: Dumitru I. Caruntu.
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Barry, O., Long, R., and Oguamanam, D. C. D. (March 22, 2017). "Rational Damping Arrangement Design for Transmission Lines Vibrations: Analytical and Experimental Analysis." ASME. J. Dyn. Sys., Meas., Control. May 2017; 139(5): 051012. https://doi.org/10.1115/1.4035455
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