Transformer with a ferromagnetic core for d-c and a-c signals

Details Transformer with a ferromagnetic core for d-c and a-c signals Transformer with a ferromagnetic core for d-c and a-c signals

1977-05-31

1979-07-31

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

323 56, H01F 2108

Patent

active

041631897

ABSTRACT:
A transformer with a ferromagnetic core for d-c and a-c signals includes at least one primary winding and at least one secondary winding and has a control device for changing the permeability of the core, a measuring device for measuring the change of the magnetic flux or the magnetization (ampere-turns) occurring with a permeability change, and a supplemental current source controlled in dependence on the change of the magnetic flux or the change of the magnetization connected to the secondary winding.

REFERENCES:
patent: 3497793 (1970-02-01), Gasparini et al.
patent: 3708749 (1973-01-01), Bateman et al.
patent: 3818337 (1974-06-01), Groenenbroom et al.
patent: 3916310 (1975-10-01), Stark et al.
patent: 4023100 (1977-05-01), Smutny

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