An expert system for security trend analysis of a stability-limited power system

Journal Article · Thu Aug 01 00:00:00 EDT 1991 · IEEE Transactions on Power Systems (Institute of Electrical and Electronics Engineers); (United States)

DOI:https://doi.org/10.1109/59.119249· OSTI ID:5628625

Fouad, A A; Venkataraman, S; Davis, J A ^[1]

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1. Dept. of Electrical Engineering and Computer Engineering, Iowa State Univ., Ames, IA (US)

In this paper, the authors describes an expert system for dynamic security assessment (DSA) in which artificial intelligence techniques are applied to the Transient Energy Function (TEF) method. The effect of contingencies on the security level and its rate of change with changing system conditions and parameters are computed using the results of the TEF sensitivity analysis program. The expert system determines the loading trend and analyzes the data obtained from TEF to compute the trend of the security index. The trend of the control parameters can then be adjusted to maintain the security index within a range of safe values. An example is given using data collected from the Northern States Power Company (NSP) where the expert system correctly computed the security index and suggested adjustments to system parameters.

• OSTI ID: 5628625
• Journal Information: IEEE Transactions on Power Systems (Institute of Electrical and Electronics Engineers); (United States), Vol. 6:3; ISSN 0885-8950
• Country of Publication: United States
• Language: English

Related Subjects

24 POWER TRANSMISSION AND DISTRIBUTION
99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
COMPUTERIZED CONTROL SYSTEMS
DESIGN
ON-LINE MEASUREMENT SYSTEMS
POWER SYSTEMS
EXPERT SYSTEMS
RELIABILITY
SYSTEMS ANALYSIS
ARTIFICIAL INTELLIGENCE
DATA ANALYSIS
CONTROL SYSTEMS
ON-LINE CONTROL SYSTEMS
ON-LINE SYSTEMS
240100* - Power Systems- (1990-)
990200 - Mathematics & Computers