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Title:
ON-LOAD TAP CHANGING DEVICE AND ON-LOAD TAP CHANGING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/073966
Kind Code:
A1
Abstract:
Provided is an on-load tap changing device with high durability performance that restrains arc at the time of switching and reduces deterioration of a switch thereof. The device is provided with a first switch part 2 connected to a first tap 91 of a transformer 9 provided in a power system to switch power supplied from the first tap 91, a first impedance changing unit 5 connected in series with the first switch part 2 to increase impedance at the time of the switching operation of the first switch part 2, a second switch part 3 connected to a second tap 92 of the transformer 9 to switch power supplied from the second tap 92, and a second impedance changing unit 6 connected in series with the second switch part 3 to increase impedance at the time of the switching operation of the second switch part 3.

Inventors:
EGUCHI, Naoki (Shibaura 1-chome Minato-k, Tokyo 01, 〒1058001, JP)
CHIGIRI, Takeshi (Shibaura 1-chome Minato-k, Tokyo 01, 〒1058001, JP)
TAKANO, Kei (Shibaura 1-chome Minato-k, Tokyo 01, 〒1058001, JP)
MIYAMOTO, Yasushi (Shibaura 1-chome Minato-k, Tokyo 01, 〒1058001, JP)
Application Number:
JP2016/081332
Publication Date:
April 26, 2018
Filing Date:
October 21, 2016
Export Citation:
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Assignee:
KABUSHIKI KAISHA TOSHIBA (1-1 Shibaura 1-chome, Minato-ku Tokyo, 01, 〒1058001, JP)
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION (72-34, Horikawa-cho Saiwai-ku, Kawasaki-sh, Kanagawa 13, 〒2120013, JP)
International Classes:
H01F29/04
Foreign References:
JPH11191514A1999-07-13
JPS5220649B11977-06-04
JP2016139701A2016-08-04
Attorney, Agent or Firm:
KIUCHI, Mitsuharu (5th Floor, Toranomon-Yoshiara Bldg. 6-13, Nishi-shinbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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