Electric power systems are among the largest structural achievements of man. Some transcend international boundaries, but others supply the local needs of a ship or an aeroplane. The generators within an interconnected power system usually produce alternating current, and are synchronized to operate at the same frequency. In a synchronized system, the power is naturally shared between generators in the ratio of the rating of the generators, but this can be modified by the operator. Systems, which operate at different frequencies, can also be interconnected, either through a frequency converter or through a direct current tie. A direct current tie is also used between systems that, while operating at the same nominal frequency, have difficulty in remaining in synchronism if interconnected.


Power System Power System Stability Decay Oscillation Interconnected Power System Automatic Voltage Regulator 
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Copyright information

© Springer Science+Business Media New York 2000

Authors and Affiliations

  • Graham Rogers
    • 1
  1. 1.Cherry Tree Scientific SoftwareCanada

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