This paper briefly describes the design and characterisation of a base isolation system that protects HV ceramic circuit breakers during seismic events. This qualifies them to the European standard CEI EN 62271-207. The solution is based on an innovative application of wire rope isolators. Preliminary numerical analyses and tests were performed on a typical HV circuit breaker and demonstrated the effectiveness of the proposed isolation system in reducing seismic demand. The results were also validated using a shaking table, which is described in an accompanying paper. The on-site installation of this system in several Italian substations has finally proved simple enough to upgrade the equipment for seismic protection.
Alessandri, S., Giannini, R., Paolacci, F., & Malena, M. (2015). Seismic retrofitting of an HV circuit breaker using base isolation with wire ropes. Part 1: Preliminary tests and analyses. ENGINEERING STRUCTURES, 98, 251-262 [10.1016/j.engstruct.2015.03.032].
Titolo: | Seismic retrofitting of an HV circuit breaker using base isolation with wire ropes. Part 1: Preliminary tests and analyses | |
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Data di pubblicazione: | 2015 | |
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Citazione: | Alessandri, S., Giannini, R., Paolacci, F., & Malena, M. (2015). Seismic retrofitting of an HV circuit breaker using base isolation with wire ropes. Part 1: Preliminary tests and analyses. ENGINEERING STRUCTURES, 98, 251-262 [10.1016/j.engstruct.2015.03.032]. | |
Handle: | http://hdl.handle.net/11590/327570 | |
Appare nelle tipologie: | 1.1 Articolo in rivista |