Application of a wide area backup protection expert system to prevent cascading outages

Author

Tan, J.C. ; Crossley, P.A. ; McLaren, P.G. ; Gale, P.F. ; Hall, I. ; Farrell, J.

Author_Institution

Dept. of Electr. & Comput. Eng., Manitoba Univ., Winnipeg, Man., Canada

Volume

17

Issue

2

fYear

2002

fDate

4/1/2002 12:00:00 AM

Firstpage

375

Lastpage

380

Abstract

A strategy to prevent cascading outages in power systems is proposed in this paper. The strategy employs wide-area backup protection and artificial intelligence techniques to minimize the impact of a fault on a network. There are two ways in which wide-area backup protection can prevent cascading trips leading to a wide spread blackout: (1) precise location of a fault so that only the circuit breakers necessary to isolate the fault are tripped, and (2) avoidance of unnecessary trips, due to hidden failure or overloading, by blocking the trip signals of conventional backup protection relays. The limitations of conventional backup protection are examined and methods of improvement are presented

Keywords

expert systems; fault location; power engineering computing; power system faults; power system protection; artificial intelligence techniques; cascading outages prevention; fault location; hidden failure; intelligent systems; overloading; power systems; unnecessary trips avoidance; wide area backup protection expert system; Circuit faults; Expert systems; Integrated circuit interconnections; Power system faults; Power system interconnection; Power system protection; Power system relaying; Power system stability; Protective relaying; Substation protection;

fLanguage

English

Journal_Title

Power Delivery, IEEE Transactions on

Publisher

ieee

ISSN

0885-8977

Type

jour

DOI

10.1109/61.997902

Filename

997902