G - Physics – 01 – R
Patent
G - Physics
01
R
317/18, 324/58
G01R 19/00 (2006.01) G01R 15/14 (2006.01) H02H 3/22 (2006.01)
Patent
CA 1249336
SURGE DETECTOR HAVING DISTRIBUTED LINE INDUCTANCE PICKUP Edmund O. Schweitzer, Jr. Abstract of the Disclosure A detector for indicating the occurrence of a surge current in the ground return conductor of a lightning arrestor or other monitored conductor includes two clamps which establish electrical connection with the conductor at two spaced locations along its length. A rectifier circuit develops an actuator signal from the voltage induced between the two location to activate an electromechanical counter or indicator flag. The clamps are installable on the conductor without access to the ends thereof to facilitate installation of the detector on an existing conductor.
503444
Osler Hoskin & Harcourt Llp
Schweitzer Edmund O. Jr.
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