Multi-site spare 3-phase transformer
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United States of America Patent
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Sep 10, 2013
Grant Date -
Jun 30, 2005
app pub date -
Feb 10, 2005
filing date -
Jun 21, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A three phase transformer circuit is provided that includes a supply side, wherein the supply side is selectably configurable, via the use of sets of terminal boards, between a delta connection and a wye connection at a time of use and, a load side, wherein the load side is selectably configurable between a delta connection and a wye connection at the time of use. The three-phase transformer also provides for selecting an input voltage, from multiple input voltages, via the sets of terminal boards, at the time of use, and for selecting an output voltage for the supply side, from multiple output voltage, at the time of use.
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