Gapless discharge counter for lightning arresters

Details Gapless discharge counter for lightning arresters Gapless discharge counter for lightning arresters

H - Electricity

02

H

317/13

H02H 9/04 (2006.01) G01R 13/06 (2006.01) G01R 19/17 (2006.01) G01R 27/18 (2006.01) H01C 1/00 (2006.01) H02H 3/04 (2006.01)

Patent

CA 1173492

5D-5798 GAPLESS DISCHARGE COUNTER FOR LIGHTNING ARRESTERS ABSTRACT OF THE DISCLOSURE A discharge counter and arrester current meter employs a zinc oxide disk in combination with a pair of bridge rectifiers to accurately determine surge arrester steady state current and to count the number of discharges occurring through a voltage surge arrester. The discharge counter and meter circuit, connected between the surge arrester and ground, monitors the steady state current by means of an ammeter and records the number of discharges by means of a capacitor, cyclo-meter coil, and a recorder. The meter circuit and the discharge counter are uniquely protected by a single zinc oxide disk during the discharge of high current surges.

389105

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