Method and control device for stabilizing a power supply network
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United States of America Patent
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Jun 12, 2001
Grant Date -
N/A
app pub date -
Sep 30, 1999
filing date -
Oct 5, 1998
priority date (Note) -
Expired
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Abstract
In a method for stabilizing a power supply network against fluctuations of the reactive power of an electrical system, in particular of an arc furnace (5), having at least one transformer (3), the at least one transformer (3) is switched on and off on the supply network side in switching sequences which result in a fundamental-frequency power factor with a value at least approximately equal to 1. The fundamental-frequency reactive power is thus at least approximately equal to zero.
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