Transformers Magazine, Vol. 8 No. S5, 2021.
Original scientific paper
Application of magnesium diboride in saturated core fault current limiters
David Klaus
Christian-Eric Bruzek
Abstract
A fault current limiter (FCL) is a nonlinear device with negligible impedance under normal conditions, which is able to switch to a high impedance state as soon as the current passing through it exceeds a given threshold. Among the various FCL topologies, saturated core fault current limiters have recently reached the demonstration phase in medium- to high-voltage networks. ASG Power Systems has assembled and tested a 36 kV rated saturated core type fault current limiter which uses superconducting solenoids to provide the saturating flux. The evolution and functionality of this implementation will be described here in detail.
Keywords
cryogenics, electricity supply industry, fault current limiters, superconducting materials
Hrčak ID:
263821
URI
Publication date:
20.8.2021.
Visits: 377 *