method and equipment for the protection of energy systems against extraordinary electromagnetic pulses.

摘要

A high-speed current shunt comprises a flat conductive metal strap having a first and a second electrode at each end of said strap for connection to an external circuit for receiving current through the strap, said strap having a defined current-measuring region extending from a first linear position to a second linear position along the length of the strap. The high-speed current shunt also comprises a tapered parallel-plate transmission-line impedance-matching transformer, comprising first and second plates tapered in shape and having a wide end and a narrow end, relative to one another, each tapered plate having a length approximately 10 times that of width of said metal strap, said first plate being attached at its wide end to said first linear position of the defined measuring region by a solder and said second plate being attached at its wide end to said second linear position of the defined measuring region by a solder, and a coaxial cable with a center conductor being attached by a solder to the narrow end of the first plate, and a shield being attached by a solder to the narrow end of the second plate.