Abstract
A newly built pharmaceutical plant has been investigated by measurements. Currents of 0.3 kA were injected in the lightning protection grid on the roof. Inside the building, test cables of 100 m length followed a path typical for cables belonging to the installation. We measured induced cable currents and voltages. A reduced model of the building incorporated most of the designed current paths. Measurements and model showed that the roof steel skeleton carried about 80% of the current and the intended lightning conductors 20%. The calculated current through a cable support was larger than measured. This is explained by also considering a nearby nonintended conductor. For three types of cables, we determined the transfer impedances. The measurements and model have been combined and extrapolated to actual lightning.
| Original language | English |
|---|---|
| Pages (from-to) | 684-690 |
| Number of pages | 7 |
| Journal | IEEE Transactions on Electromagnetic Compatibility |
| Volume | 52 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 2010 |
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