Excitation system having inner loop voltage regulator with by-pass capability
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United States of America Patent
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Apr 29, 2008
Grant Date -
Oct 12, 2006
app pub date -
Apr 6, 2005
filing date -
Apr 6, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An excitation system that includes an exciter for generating a field voltage for a rotor, a first automatic voltage regulator and a second automatic voltage regulator. The first regulator receives an output voltage of the power generation system as an input, and the second regulator receives the field voltage as an input. An output of the first regulator is provided as a second input to the second regulator. The first regulator is in selective electrical communication with the exciter through a first line conductor having first separable contacts such that an output of the first regulator may be selectively provided as an input to the exciter. The second regulator is in selective electrical communication with the exciter through a second line conductor having second separable contacts such that an output of the second regulator may be selectively provided as an input to the exciter.
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