Current transformer for measuring instruments

Details Current transformer for measuring instruments Current transformer for measuring instruments

1983-04-14

1985-04-23

Moose, Jr., Harry E.

Inductor devices

Interlinked coils or windings

336174, 336175, 336100, 324127, H01F 4000

Patent

active

045132747

ABSTRACT:
The current transformer for instruments for measuring electric currents includes a magnetic core that has two cores and an inductive current divider with three parallel current paths. The current dividers form, together with cores, two current transformer stages whose magnetic fluxes mutually cancel one another. In a current transformer for AC currents having a DC component, the ratio of the ohmic resistances of the individual current paths is in direct relation to their transformation ratio.

REFERENCES:
patent: 1882773 (1932-10-01), Callsen
patent: 1971207 (1934-08-01), Boyajian et al.
patent: 2244386 (1941-06-01), Camilli
Strom und Spannungswandler (Current & Voltage Transducer), Oldenbourg Verlag, (Publishers), 1944, pp. 14-18.
Proc. IEE, vol. 123, No. 10R, Oct. 1975, p. 1030.

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