Title:
TAP CHANGER
Document Type and Number:
Japanese Patent JP2016225334
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a compact tap changer having elongated maintenance intervals.SOLUTION: The tap changer includes: a first terminal T1 and a second terminal T2 connected to a tap winding 1 of a stationary induction electric apparatus; a first semiconductor switch SR1 connected between the first terminal T1 and the neutral point terminal N of the stationary induction electric apparatus; a second semiconductor switch SR2 connected between the second terminal T2 and the neutral point terminal N; a third semiconductor switch SR3 connected between the second terminal T2 and the neutral point terminal N, in parallel to the second semiconductor switch SR2; and a resistor R connected between the third semiconductor switch SR3 and the neutral point terminal N.SELECTED DRAWING: Figure 1
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Inventors:
TAKANO KEI
CHIGIRI TAKESHI
SHINODA MASAYUKI
TAI HIROMICHI
CHIGIRI TAKESHI
SHINODA MASAYUKI
TAI HIROMICHI
Application Number:
JP2015107095A
Publication Date:
December 28, 2016
Filing Date:
May 27, 2015
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
H01F29/04
Attorney, Agent or Firm:
Kiuchi Mitsuharu
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