Open AccessEarthquake response of high voltage circuit breakers with non-linear force-deflection characteristics
Author(s) -
Randall L. Mayes,
H. C. Hitchcock
Publication year - 1971
Publication title -
bulletin of the new zealand society for earthquake engineering/nzsee quarterly bulletin
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.917
H-Index - 36
eISSN - 2324-1543
pISSN - 1174-9857
DOI - 10.5459/bnzsee.4.2.301-315
Subject(s) - circuit breaker , structural engineering , deflection (physics) , vibration , catenary , engineering , shock absorber , bilinear interpolation , electrical engineering , computer science , physics , acoustics , optics , computer vision
The New Zealand Electricity Department has
purchased a number of high voltage circuit
breakers with prestressed porcelain columns on
which the manufacturers have carried out shock
and vibration tests to determine strength and
damping characteristics and to make some
estimate of earthquake resistance. This paper
presents a detailed study of the behaviour of
such circuit breakers when subjected to earthquakes and steady-state sinusoidal forging
functions. The system, assumed to be single-degree of freedom, has a bilinear force-deflection relationship. The system parameters
that varied in this study were: natural period, damping, yield strength and elastic characteristics. All investigations were conducted with
the aid of an IBM 360/40 and an IBM 1130 digital computer using Jenning's Pseudo-Earthquakes.