2011 Volume 76 Issue 666 Pages 649-654
An optimal installation method of bonding wires for grounding a structure of a seismic isolated building by rubber isolators is investigated from a viewpoint of lightning surge. The following results are obtained from the research.
1. The inductance of the bonding wire determines the transient response of the building. A parallel wiring is proposed to reduce the overvoltage instead of the conventional coil-shape wiring.
2. The bonding wires should be installed at corner pillars for an equally distribution of the lightning current. It reasonably reduces an electromagnetic induction on information equipments.
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