Neutralizing transformer arrangement

Details Neutralizing transformer arrangement Neutralizing transformer arrangement

1974-01-07

1976-01-13

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

317 17, 323 60, H04B 354, H04B 1500

Patent

active

039328040

ABSTRACT:
A neutralizing transformer arrangement having its primary winding connected in series with a D.C. blocking capacitor. The primary circuit is preferably series resonant at the power frequency (60 HZ), the capacitance of the series resonant circuit being provided by the D.C. blocking capacitor and, to some extent, by inter-turn, interwinding and distributed winding capacitances. The neutralizing transformer includes an input cable composed of one or more twisted pairs of wires over which communication frequencies signals pass. Each wire of a twisted pair is wound on opposite outer legs of the core of the transformer. A similar pair of isolating windings is wound on the same outer legs. The primary winding is wound about the central leg of the core of the transformer as is the one or more twisted pairs.

REFERENCES:
patent: 3244960 (1966-04-01), Stevens et al.
patent: 3299384 (1967-01-01), Lee
patent: 3612988 (1971-10-01), Wanlass

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