Title:
LIMIT TAP RESTRICTING DEVICE, AND ELECTRIC OPERATING DEVICE FOR LOAD TAP CHANGER
Document Type and Number:
WIPO Patent Application WO/2020/152775
Kind Code:
A1
Abstract:
A limit tap restricting device of an embodiment comprises a feed screw mechanism, a block, and a rotation stopping unit. The feed screw mechanism includes a feed screw shaft which rotates in conjunction with a main drive shaft. The main drive shaft is disposed in a torque transmission path from a motor to a load tap changer. The block is moved by the feed screw mechanism in an axial direction of the feed screw shaft. The rotation stopping unit can be abutted against the block at a position in the axial direction corresponding to a limit tap of the load tap changer, and stop rotation of the main drive shaft.
Inventors:
EGUCHI NAOKI (JP)
ISHIKAWA TAKU (JP)
ISHIKAWA TAKU (JP)
Application Number:
PCT/JP2019/001846
Publication Date:
July 30, 2020
Filing Date:
January 22, 2019
Export Citation:
Assignee:
TOSHIBA KK (JP)
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORP (JP)
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORP (JP)
International Classes:
H01F29/04
Foreign References:
| JPS4882419U | 1973-10-08 | |||
| JP2001267150A | 2001-09-28 |
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (JP)
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