• DocumentCode
    1526298
  • Title

    President-Elect´s Message

  • Author

    Emanuel, Alexander E.

  • Author_Institution
    Worcester Polytech. Inst., MA, USA
  • Volume
    21
  • Issue
    8
  • fYear
    2001
  • Firstpage
    3
  • Lastpage
    5
  • Abstract
    This letter introduces a type of nonactive power characteristic for systems with randomly varying loads. The randomness power is a nonactive power component. It is due to the contribution of subharmonics with extremely low frequencies. It may produce additional power loss and power factor reduction. Factors like duration of intervals, the total number of intervals, the number and types of loads involved (arc furnace versus street lights for example), control the statistics that characterize the load randomness and the randomness power.
  • Keywords
    load (electric); losses; power factor; power systems; additional power loss; arc furnace load; extremely low frequencies; load randomness; nonactive power characteristic; nonactive power component; power factor reduction; randomly varying loads; randomness; randomness power; statistics; street lights load; subharmonics; Energy exchange; Power distribution; Power engineering and energy; Power quality; Power system harmonics; Power system modeling; Power system reliability; Reliability engineering; Time varying systems; Voltage;
  • fLanguage
    English
  • Journal_Title
    Power Engineering Review, IEEE
  • Publisher
    ieee
  • ISSN
    0272-1724
  • Type

    jour

  • DOI
    10.1109/39.948257
  • Filename
    948257