A decision tree method for on-line steady state security assessment

Author

Hatziargyriou, N.D. ; Contaxis, G.C. ; Sideris, N.C.

Author_Institution

Dept. of Electr. Eng., Nat. Tech. Univ. of Athens, Greece

Volume

9

Issue

2

fYear

1994

fDate

5/1/1994 12:00:00 AM

Firstpage

1052

Lastpage

1061

Abstract

In this paper the application of an inductive inference method to online steady state security assessment of a power system is proposed. For each contingency a number of decision rules in the form of a decision tree (DT) is built offline from a preclassified learning set consisting of operating points of the system. For the real time application of the method the DTs corresponding to the foreseen contingencies are searched online to provide optimal guidelines for preventive control of the system. The algorithm developed is applied to the steady state security assessment of a realistic model of the Hellenic interconnected power system comprising 240 busbars, 270 branches, 57 transformers and 30 equivalent generators

Keywords

control system analysis computing; decision theory; digital simulation; expert systems; power system analysis computing; power system control; power system protection; real-time systems; algorithm; branches; busbars; decision tree method; equivalent generators; expert systems; inductive inference method; interconnected power system; online steady state security assessment; operating points; preclassified learning set; preventive control; real time; transformers; Control systems; Decision trees; Guidelines; Optimal control; Power system interconnection; Power system modeling; Power system security; Real time systems; Steady-state; Transformers;

fLanguage

English

Journal_Title

Power Systems, IEEE Transactions on

Publisher

ieee

ISSN

0885-8950

Type

jour

DOI

10.1109/59.317626

Filename

317626