Watthour meter system

Details Watthour meter system Watthour meter system

1997-03-17

1998-11-10

Karlsen, Ernest P.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Polyphase

324142, G01R 1900, G01R 2106

Patent

active

058349324

ABSTRACT:
An electrical energy consumption measuring system is disclosed which includes a watthour meter, a meter socket, a set of voltage transformers and two plugs. The meter is energized when it is received within the meter socket. Selected socket terminals of the meter socket are electrically connected to one of the two plugs. The set of voltage transformers is electrically connected to the other of the two plugs. The system is constructed and arranged so that, when the plugs are matingly engaged, the set of voltage transformers electrically isolates the windings internal to the watthour meter from the service voltage of the power system.

REFERENCES:
patent: 2996671 (1961-08-01), Fahrner
patent: 3202916 (1965-08-01), Savastano
patent: 4413230 (1983-11-01), Miller
patent: 4491790 (1985-01-01), Miller
patent: 4615009 (1986-09-01), Battocletti et al.
patent: 4675598 (1987-06-01), Boichot-Castagne
patent: 4813882 (1989-03-01), Ruiz
patent: 4814996 (1989-03-01), Wang
patent: 4887029 (1989-12-01), Hemminger
patent: 4896106 (1990-01-01), Voisine et al.
patent: 5150039 (1992-09-01), Avocat

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