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Seismic Design and Characterization of a New Isolation System for High Voltage Circuit Breakers Based on Wire-Rope Devices

[+] Author Affiliations
Renato Giannini, Silvia Alessandri, Fabrizio Paolacci, Marialaura Malena

Roma Tre University, Rome, Italy

Paper No. PVP2015-45122, pp. V008T08A037; 10 pages
  • ASME 2015 Pressure Vessels and Piping Conference
  • Volume 8: Seismic Engineering
  • Boston, Massachusetts, USA, July 19–23, 2015
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-5703-8
  • Copyright © 2015 by ASME


This paper briefly describes the design and the characterization of a new base isolation system for the seismic protection of HV ceramics circuit breakers, in order to be qualified according to the standard CEI 62271-207. The solution adopted is based on the use of Wire Ropes. Accurate numerical analyses and experimental tests performed on a typical HV breaker upon a shaking table demonstrated the effectiveness of the proposed solution. An on-site installation in several Italian substations of this system has permitted to verify the simplicity and rapidity of the intervention necessary for the seismic upgrading of the circuit breaker.

Copyright © 2015 by ASME



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