Mutual inductance current transducer for AC electric energy mete

Details Mutual inductance current transducer for AC electric energy mete Mutual inductance current transducer for AC electric energy mete

1980-05-13

1983-01-11

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Plural inputs

324132, 336212, G01R 2106, G01R 1510, H01F 2724

Patent

active

043684246

ABSTRACT:
A mutual inductance current transducer includes a primary winding for direct connection to the current component of an electric energy quantity to be measured by an AC energy meter. A secondary winding is inductively coupled to the primary winding to produce an output signal that is proportional to the time derivative of the current component. The output circuit provides a current responsive input to an energy measuring circuit also receiving a voltage responsive input.

REFERENCES:
patent: 1728003 (1929-09-01), Nickle
patent: 3226641 (1965-12-01), Miller
patent: 4147978 (1979-04-01), Hicks

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