Power flow management in an electric power grid
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United States of America Patent
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-
Nov 26, 2002
Grant Date -
Jan 17, 2002
app pub date -
Jun 15, 2001
filing date -
Dec 4, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Power flow management is achieved in an electrical power transmission network using serial impedance modulation distributed throughout the transmission lines of the network. Switching units are mounted to insulated portions of transmission line towers in proximity to phase lines for modulating power flowing in at least one phase line conductor of at least one bundle conductor phase line in an electric power transmission line at a plurality of segments in the network. Power flow is managed in at the segments by changing the series impedance of the line by controlling the switching units. Enhanced insulation between phase line conductors is added. The power flow in a plurality of electric power lines of the network is analyzed, a desired change in impedance for the electric power lines is determined, and at least some of the switching units are controlled to implement the desired change in impedance.
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