PD IEC/TS 61463:2016
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Bushings. Seismic qualification
Hardcopy , PDF
English
31-08-2016
IECTS61463 , which is a Technical Specification, is applicable to alternating current and direct current bushings for highest voltages above 52kV (or with resonance frequencies placed inside the seismic response spectrum), mounted on transformers, other apparatus or buildings. For bushings with highest voltages less than or equal to 52kV (or with resonance frequencies placed outside from the seismic response spectrum), due to their characteristics, seismic qualification is not used as far as construction practice and seismic construction practice comply with the state of the art. This document presents acceptable seismic qualification methods and requirements to demonstrate that a bushing can maintain its mechanical properties, insulate and carry current during and after an earthquake. The seismic qualification of a bushing is only performed upon request.
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