Current transformer with rogowski type windings, comprising...

Details Current transformer with rogowski type windings, comprising... Current transformer with rogowski type windings, comprising...

2005-05-06

2010-11-02

Enad, Elvin G (Department: 2832)

Inductor devices

Interlinked coils or windings

Coil surrounding linear conductor

C336S225000

Reexamination Certificate

active

07825763

ABSTRACT:
The current transformer comprises at least two partial circuits (CBn) each comprising a Rogowski type winding (Cn), each of said the partial circuits being made in the form of an angular portion of a complete circuit (CB) which surrounds at least one primary conductor (10, 10A,10B,10C) of the transformer over 360°. The winding (Cn) of each partial circuit (CBn) is constituted by a go winding (Cn0) and by a return winding (Cn1) which extend over the angular extent (θn) of the partial circuit (CBn). For each partial circuit (CBn), the go and return windings are electrically connected in series, both having turns wound in the same direction so as to form a single winding (Cn) which presents a pair of adjacent electrical terminations (T1n, T2n) connected to an acquisition system (7, 7′).

REFERENCES:
patent: 5414400 (1995-05-01), Gris et al.
patent: 2003/0137388 (2003-07-01), Meier et al.
patent: 44 24 368 (1995-07-01), None
patent: 44 24 368 (1995-07-01), None
patent: 101 61 370 (2002-08-01), None
patent: 0 573 350 (1993-06-01), None
patent: 0 573 350 (1993-12-01), None
patent: 0 587 491 (1994-03-01), None
patent: 0 587 491 (1994-03-01), None
patent: 2000065866 (1998-08-01), None
patent: 2000-147023 (2000-05-01), None
Patent Abstracts of Japan, JP 2000-147023, May 2000.

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