Circuit arrangement comprising multiplier circuits to find the s

Details Circuit arrangement comprising multiplier circuits to find the s Circuit arrangement comprising multiplier circuits to find the s

1988-07-28

1989-08-01

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Plural inputs

324117H, 324117R, G01R 2100, G01R 2108

Patent

active

048536202

ABSTRACT:
A circuit arrangement for finding a sum of electrical power outputs for use in a multi-phase electricity meter is disclosed. The circuit arrangement comprises a plurality of multiplier circuits arranged in sequence. The sequence of multiplier circuits has two poles which form the output poles of the circuit arrangement. Each multiplier circuit comprises a Hall element, an amplifier, and a polarity reversing switch.

REFERENCES:
patent: 3875508 (1975-04-01), Milkovic
patent: 3921069 (1975-11-01), Milkovic
patent: 3955138 (1976-05-01), Milkovic
patent: 4464629 (1984-08-01), Tanaka et al.
patent: 4616179 (1986-10-01), Braun
patent: 4742296 (1988-05-01), Petr et al.
patent: 4764720 (1988-08-01), Nystrom

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