H - Electricity – 01 – F
Patent
H - Electricity
01
F
H01F 30/00 (2006.01) H01F 27/42 (2006.01) H01F 30/16 (2006.01) H01F 38/00 (2006.01) H01F 38/22 (2006.01) H01H 83/14 (2006.01)
Patent
CA 2176469
A differential transformer includes a magnetic core within which difference signal detection inaccuracies resulting from non- homogeneity within the core are corrected by compensation. A phase wire extends proximate the magnetic core for transporting a first current in a first direction. A neutral wire extends proximate the magnetic core center for transporting a second current in a second direction which is substantially opposite the first direction. A shunt wire is electrically connected to one of: the phase wire and the neutral wire depending on whether the transformer is undersensitive or oversensitive. The shunt wire shunts a portion of the current flowing in one of the phase and neutral wires such that first and second signals are generated in the transformer as a result of said first and second currents that are substantially equal.
Leviton Manufacturing Co. Inc.
Ridout & Maybee Llp
LandOfFree
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