Title:
THREE-PHASE TRANSFORMER
Document Type and Number:
Japanese Patent JPH06310349
Kind Code:
A
Abstract:
PURPOSE: To provide a three-phase transformer with which a neutral point can be provided on a delta winding without impairing the symmetrization with respect to the neutral point.
CONSTITUTION: A tertiary winding C3w, having the number of turns two/thirds of the number of turns n2 of secondary windings C2u to C2w, is provided in a phase. The tertiary winding C3w is connected between taps 2ut and 2vt led out respectively from the position of (2/3)n2 turn from the mutually-connected secondary windings C2u and C2v of the other two phases, and the mid-point O is led out from the mid-point of the tertiary winding C3w.
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Inventors:
DOI KOJI
SHIMIZU YOSHIAKI
SHIMIZU YOSHIAKI
Application Number:
JP9608193A
Publication Date:
November 04, 1994
Filing Date:
April 22, 1993
Export Citation:
Assignee:
DAIHEN CORP
International Classes:
H01F29/02; H01F30/12; (IPC1-7): H01F33/00; H01F29/02
Attorney, Agent or Firm:
Hidetoshi Matsumoto