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Hybrid power flow controller and method

  • US 20050015182A1
  • Filed: 10/30/2003
  • Published: 01/20/2005
  • Est. Priority Date: 11/04/2002
  • Status: Active Grant
First Claim
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1. A method of providing a desired amount of active power from a first electrical region to a second electrical region, said method comprising:

  • diverting a current from said first region to an input of a first controlled voltage source, said input at an input voltage;

    adding to said input voltage, using said first controlled voltage source a first control voltage at a controlled amplitude and phase angle to provide an intermediate voltage at an output of said first controlled voltage source;

    diverting a current, from said output of said first controlled voltage source;

    adding to said intermediate voltage, using a second controlled voltage source a second control voltage at a controlled amplitude and phase angle to provide from an output of said second controlled voltage source a current to said second region;

    providing active power for said second controlled voltage source from said first controlled voltage source;

    controlling said first and second control voltages in magnitude and phase to provide said desired amount of active power to said second region, and so that substantially all active power provided to said first controlled voltage source is coupled to said second voltage source.

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