Surge arrester discharge counting apparatus

Details Surge arrester discharge counting apparatus Surge arrester discharge counting apparatus

1982-09-20

1985-01-22

Tokar, Michael J.

Electricity: measuring and testing

Testing potential in specific environment

Voltage probe

324106, 361126, 361127, G01R 3102

Patent

active

044954590

ABSTRACT:
To record significant discharges of a surge arrester, the energy dissipated in a separate varistor element equivalent to the varistor elements in the arrester and connected in the arrester discharge path is monitored. When an arrester discharge results in a temperature increase above a predetermined minimum in the separate varistor element, heat sensing means thermally coupled therewith triggers a counter to record the event.

REFERENCES:
patent: 690059 (1901-12-01), Isham, Jr.
patent: 2212730 (1940-08-01), Downing, Jr.
patent: 3315054 (1967-04-01), Langley
patent: 4338648 (1982-07-01), Subbarao

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