Electrical device for measuring electrical parameters

Details Electrical device for measuring electrical parameters Electrical device for measuring electrical parameters

1991-11-12

1993-11-23

Nguyen, Vinh

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Plural inputs

324 74, G01R 3504

Patent

active

052647862

ABSTRACT:
An electrical measuring device utilizing a shunt, an electronic measuring circuit floating at the potential of the shunt and a first voltage divider connected between the shunt and a neutral point to provide a first voltage signal to the circuit. To obtain the benefit of decoupling the potential between the shunt and the intermediate point of the first voltage divider, the device includes an additional terminal connected to the shunt by a second voltage divider, whose intermediate point supplies a second voltage signal used differentially with the first.

REFERENCES:
patent: 4646003 (1987-02-01), Phillips et al.
patent: 4758774 (1988-07-01), Crawford et al.

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