Apparatus and method for testing electrical surge arresters

Details Apparatus and method for testing electrical surge arresters Apparatus and method for testing electrical surge arresters

G - Physics

01

R

324/2

G01R 31/02 (2006.01)

Patent

CA 1080800

APPARATUS AND METHOD FOR TESTING ELECTRICAL SURGE ARRESTERS ABSTRACT OF THE DISCLOSURE An electrical surge arrester tester comprising two surge arrester test leads and a voltage generator for generating and applying DC voltage of continuously increasing magnitudes to the surge arrester test leads. A monitor is provided for contin- uously and simultaneously monitoring the magnitude of DC voltages being applied to, and the current being conducted across, the surge arrester test leads. A counter is provided for digitally recording the monitored firing voltage when the monitored current exceeds a preselected magnitude. A terminator circuit is provided for terminating the generation and application of voltage by the volt- age generator upon recording of the firing voltage. A digital display is also provided for displaying the digitally recorded firing voltage.

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