Current limiting devices

Details Current limiting devices Current limiting devices

1979-06-08

1981-03-17

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Superconductor protective circuits

323360, 361 58, H02H 308

Patent

active

042570808

ABSTRACT:
A current-limiting device for an alternating current system has at least two iron-cored saturable reactors for each phase, each reactor core being of double-window configuration with an alternating current winding on the central limb, and a superconducting bias winding screened alternating magnetic flux is in the form of a loop with two parallel sides which pass through the two windows of at least two of the reactor cores. For a three phase system the three pairs of reactors may be on a single bias winding loop or each pair may have its own bias winding. In a preferred construction two bias winding loops each link three reactor cores and each phase includes one reactor from each of the bias windings.

REFERENCES:
patent: 3691491 (1972-09-01), Massar et al.
patent: 4015168 (1977-03-01), Massar
patent: 4045823 (1977-08-01), Parton
patent: 4117524 (1978-09-01), Parton et al.

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