Surge undershoot eliminator

Details Surge undershoot eliminator Surge undershoot eliminator

1987-08-18

1989-06-27

Deboer, Todd E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Impedance insertion

361111, 324509, H02H 900

Patent

active

048435155

ABSTRACT:
Disclosed is improved apparatus for applying a test electrical surge from a surge generator to equipment under test. The apparatus includes a coupler/filter that comprises an inductor in each leg of the input power line. In order to dissipate the energy stored in the inductors as the result of a unidirectional test surge, and thereby prevent damage from undershoot to the equipment under test, the apparatus includes high voltage rectifiers across the inductors.

REFERENCES:
patent: 3099789 (1963-07-01), Perrins
patent: 3601632 (1971-08-01), Frazier
patent: 4191986 (1960-03-01), Huang et al.

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