Transient voltage surge suppression (TVSS)

Details Transient voltage surge suppression (TVSS) Transient voltage surge suppression (TVSS)

1993-02-05

1997-01-21

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

361111, 361118, H02H 900

Patent

active

055964680

ABSTRACT:
Transient voltage surge suppression (TVSS) located conveniently between the conventional plug-in watt-hour meter and its socket at a customer's location. Over-voltage means, such as one or preferably more metal oxide varistors, are supported there, as in a cylindrical housing called a meter adapter. The varistors connect electrically between power leads and an external ground lead to clip voltage transients and to shunt resulting surge currents harmlessly to ground. Varistors may be inserted into suitable holders therein or may be prepackaged and be retained therein within such prepackaging. One terminal and preferably a face of each varistor is contiguous with an extensive laminar conductor within the adapter in the pathway to ground so as to accommodate extremely surge currents and to aid in dissipating resulting accumulation of thermal energy.

REFERENCES:
patent: 2606232 (1952-08-01), St. John
patent: 3914657 (1975-10-01), Melanson
patent: 4089032 (1978-05-01), Dell Orfano

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