File:Tap changing switch.gif

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Tap_changing_switch.gif (250 × 500 pixels, file size: 188 KB, MIME type: image/gif, looped, 17 frames, 12 s)

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Summary

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Description
English: Animation of an on-load transformer tap changer, illustrating how taps can be selected without either interrupting supply or short-circuiting winding turns.

The tap changer starts at tap position 2, with load supplied directly via the right hand connection. Diverter resistor A is short-circuited, diverter B is unused.

If the tap changer is moved to tap 3, the following sequence occurs:

  1. Switch 3 closes, an off-load operation.
  2. Rotary switch turns, breaking one connection and passing load current through diverter resistor A.
  3. Rotary switch continues to turn, connecting between contacts A and B. Load now supplied via diverter resistors A and B, winding turns bridged via A and B.
  4. Rotary switch continues to turn, breaking contact with diverter A. Load now supplied via diverter B alone, winding turns no longer bridged.
  5. Rotary switch continues to turn, shorting diverter B. Load now supplied directly via left hand connection. Diverter A is unused.
  6. Switch 2 opens, an off-load operation.
The animation then shows the tap changer returning to its starting position by reversing the above sequence of operations.
Date 22 January 2006 (original upload date)
Source Transferred from en.wikipedia to Commons.
Author BillC at English Wikipedia

Licensing

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BillC at the English-language Wikipedia, the copyright holder of this work, hereby publishes it under the following license:
w:en:Creative Commons
attribution share alike 		This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Subject to disclaimers.
Attribution: BillC at the English-language Wikipedia
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
This licensing tag was added to this file as part of the GFDL licensing update.
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. Subject to disclaimers.

Original upload log

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The original description page was here. All following user names refer to en.wikipedia.
  • 2006-02-04 22:51 BillC 250×500× (192703 bytes) Add frames to make animation smoother
  • 2006-01-22 22:36 BillC 250×500× (147599 bytes) Pause longer at switch open/close frames
  • 2006-01-22 22:15 BillC 250×500× (147599 bytes) 50% slower version
  • 2006-01-22 20:27 BillC 250×500× (147599 bytes) Animation of an on-load transformer [[tap changer]]

References

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Central Electricity Generating Board (1982) Modern Power Station Practice, Pergamon ISBN 0-08-016436-6

File history

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Date/TimeThumbnailDimensionsUserComment
current19:12, 21 February 2011Thumbnail for version as of 19:12, 21 February 2011250 × 500 (188 KB)OgreBot (talk | contribs)(BOT): This is the version originally uploaded on 2006-02-04 22:51 by BillC; storing on commons for archival purposes
19:10, 21 February 2011Thumbnail for version as of 19:10, 21 February 2011250 × 500 (144 KB)OgreBot (talk | contribs)(BOT): This is the version originally uploaded on 2006-01-22 22:36 by BillC; storing on commons for archival purposes
19:10, 21 February 2011Thumbnail for version as of 19:10, 21 February 2011250 × 500 (144 KB)OgreBot (talk | contribs)(BOT): This is the version originally uploaded on 2006-01-22 22:15 by BillC; storing on commons for archival purposes
19:10, 21 February 2011Thumbnail for version as of 19:10, 21 February 2011250 × 500 (144 KB)OgreBot (talk | contribs)(BOT): This is the version originally uploaded on 2006-01-22 20:27 by BillC; storing on commons for archival purposes
18:35, 14 August 2008Thumbnail for version as of 18:35, 14 August 2008250 × 500 (188 KB)Wdwd (talk | contribs){{Information |Description=en:Animation of an on-load transformer tap changer, illustrating how taps can be selected without either interrupting supply or short-circuiting winding turns. |Source=en wikipedia }} The tap changer starts at tap position 2, w

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