Electronic electricity meter

Details Electronic electricity meter Electronic electricity meter

1990-03-07

1992-07-07

Nguyen, Vinh

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Plural inputs

324127, 324132, 364483, G01R 2106

Patent

active

051286114

ABSTRACT:
A meter includes a measuring part (1) and an evaluating part (2). The measuring part (1) contains an open magnetic current transformer (3) of the unloaded transformer type and an integrator (6) connected downstream of the transformer. As a result, no measuring errors caused by saturation occur in the transformer, and the metering of consumption is frequency-independent.

REFERENCES:
patent: 3226641 (1965-12-01), Miller
patent: 3546565 (1970-12-01), Downing, Jr. et al.
patent: 3775683 (1973-11-01), Barta et al.
patent: 4182983 (1980-01-01), Heinrich et al.
patent: 4413230 (1983-11-01), Miller
patent: 4459546 (1984-07-01), Arrington et al.
patent: 4578639 (1986-03-01), Miller
patent: 4837504 (1989-06-01), Baer et al.
patent: 4859937 (1989-08-01), Milkovic
patent: 4931725 (1990-06-01), Hutt et al.

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