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Electricity market-oriented dc-segmentation design and optimal scheduling for electrical power transmission

  • US 7,620,482 B2
  • Filed: 03/05/2004
  • Issued: 11/17/2009
  • Est. Priority Date: 03/05/2003
  • Status: Active Grant
First Claim
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1. A method of segmenting a pre-existing multi-regional alternating current (ac) grid, said grid comprising a plurality of ac power generating stations synchronously interconnected by ac power transmission paths, said stations operable within associated market sectors subject to associated market rules, said method comprising the steps of:

  • (a) identifying all of those ones of said ac transmission paths which extend between differing ones of said market sectors;

    (b) in each of said ac transmission paths so identified, segmenting the path by inserting a controllable direct current (dc) link at a selected location in the identified path, thereby defining a plurality of ac sectors;

    (c) operating each of said ac sectors asynchronously; and

    ,(d) controlling power flow between said ac sectors by controlling the operation of said dc links.

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