Current limiting devices

Details Current limiting devices Current limiting devices

H - Electricity

01

F

317/11, 323/2

H01F 36/00 (2006.01) H01F 29/14 (2006.01) H01F 38/02 (2006.01) H02H 9/02 (2006.01)

Patent

CA 1124316

ABSTRACT OF THE DISCLOSURE 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 against alternating magnetic flux is in the form of a loop with two parallel sides which pass through the two windows of at least one of the reactor cores of the phase. 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.

329664

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