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A New Method of Ground Fault Protection

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1 Author(s)
F. M. Starr ; Gen. Elec. Co. Schenectady, N. Y.

A new high-resistance ``thyrite'' and a new 3-element cold-cathode tube having unusual characteristics constitute the basic elements in a new high voltage relay combination for relaying or detecting ground faults on ungrounded systems. This scheme of protection, as described herein, is characterized by its reliability, simplicity, sensitivity, and low cost. It has been found to be particularly valuable in network applications.

Published in:

Transactions of the American Institute of Electrical Engineers  (Volume:53 ,  Issue: 11 )