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High power device for the electric safety of metallic structures

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6 Author(s)
Lingvay, I. ; Inst. for Adv. Res. in Electr. Eng., Bucharest, Romania ; Banu, V. ; Lingvay, C. ; Rauta, I.
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A hybrid high-power solid-state device, voltage limiter and having a fast switching rate, has been conceived and built. The device copes in forward polarization with hazardous overcurrent impulses up to 1800 A for 1s and 120 to 40 A-depending on the type-also for 1s, in reverse polarization. The device was checked at lightning impulses (20/8 μs) at a peak current of 100,000 A. Due to its electric performances (in static, dynamic and switching regimes) the new device can be utilized in diverse applications such as: electric safety assurance for metallic structures, control of corrosion of underground metallic pipelines due to the electromagnetic pollution of the soil (DC and AC stray currents) also

Published in:

Semiconductor Conference, 2001. CAS 2001 Proceedings. International  (Volume:2 )

Date of Conference:

Oct 2001