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Development of an Intelligent Automatic Generation Control System for Electrical Power Plants

[+] Author Affiliations
Benjamin Hoffner, Rahmat A. Shoureshi

Colorado School of Mines, Golden, CO

R. A. Kramer

NiSource Energy Technologies, Inc.

Paper No. IMECE2002-33445, pp. 233-241; 9 pages
doi:10.1115/IMECE2002-33445
From:
  • ASME 2002 International Mechanical Engineering Congress and Exposition
  • Dynamic Systems and Control
  • New Orleans, Louisiana, USA, November 17–22, 2002
  • Conference Sponsors: Dynamic Systems and Control Division
  • ISBN: 0-7918-3629-0 | eISBN: 0-7918-1691-5, 0-7918-1692-3, 0-7918-1693-1
  • Copyright © 2002 by ASME

abstract

The United States electric grid is a complex structure that requires high precision control of frequency and tieline power flows among different generation areas. Highly varying loads introduce a major challenge for the present automatic generation control systems. Arc furnaces, rolling mills and other large motors can create large demands on the system which result in an unsatisfactory area control error (ACE). Recent studies have shown that very-short term load prediction can be incorporated into control schemes which are then able to compensate for the highly varying demand. Using a neural network prediction of the area load a new fuzzy logic controller has been developed that adjusts the set point of the area generation to attempt to match the upcoming changes on the system. Performance of the neural-fuzzy controller in a two-area tie-line model with actual load data from a collaborating utility is demonstrated and compared with the present AGC system through simulations.

Copyright © 2002 by ASME

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