Apparatus for measuring the electric power or energy in an A-C n

Details Apparatus for measuring the electric power or energy in an A-C n Apparatus for measuring the electric power or energy in an A-C n

1978-10-06

1981-03-03

Krawczewicz, Stanley T.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Plural inputs

G01R 2106

Patent

active

042543762

ABSTRACT:
An apparatus for measuring the electric power or energy in an a-c network is disclosed wherein a multiplying device operating according to the principle of pulse duration-pulse height modulation is used and the variables proportional to the load current and the load voltage are taken directly from the load current and the load voltage respectively.

REFERENCES:
patent: 3746851 (1973-07-01), Gilbert
patent: 3760273 (1973-09-01), Burkett et al.
patent: 3953795 (1976-04-01), Brunner
patent: 3959724 (1976-05-01), Chana et al.

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