Electrical energy measuring and metering device

Details Electrical energy measuring and metering device Electrical energy measuring and metering device

1994-06-01

1996-11-12

Nguyen, Vinh P.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Plural inputs

324107, G01R 1100

Patent

active

055743625

ABSTRACT:
A metering device includes a standard AC energy meter, and a conversion circuit. The conversion circuit measures the voltages and currents of an installation incompatible with the functional characteristics of the meter. The conversion circuit supplies the meter with AC voltages and currents of values in compliance with the specifications of the meter. The total power supplied to the meter is proportional, except for a known scale factor, to the total power measured on the power system. This device is applied to measuring electrical energy on DC power systems and on AC power systems of a frequency or form incompatible with standard electrical energy meters.

REFERENCES:
patent: 4896105 (1990-01-01), Engel et al.
patent: 4902965 (1990-02-01), Bodrug et al.
patent: 4999575 (1991-03-01), Germer
Patent Abstracts of Japan, vol. 15, No. 433 (P-1271) Nov. 5, 1991, p. 1/1.

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