Risk analysis for high-voltage transmission line de-icing system

Author

Liu, P. ; Peters, J.F.

Author_Institution

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

Volume

3

fYear

1999

fDate

9-12 May 1999

Firstpage

1248

Abstract

The objective of this paper is to present a novel method for risk analysis of high-voltage transmission line de-icing which is needed for reliable for a power supply system under severe ice-storm weather. The approach is based on rough set and fuzzy set theories. Rough sets are used to describe the nondeterministic relationships among different sets and derive underlying rules based on information decision table. Risk is assessed by using the Choquet integral, a fuzzy measure to represent the global evaluation of different risk-related sources. Examples are given through step by step demonstration of the approach with focuses on risk sources analysis, information granule and rules derivation. Comparison of the results is made between the proposed method and a standard risk analysis method.

Keywords

fuzzy set theory; ice; power overhead lines; risk management; rough set theory; storms; Choquet integral; fuzzy measure; fuzzy set theory; high-voltage transmission line de-icing; information decision table; information granule; nondeterministic relationships; power supply system; risk analysis; risk assessment; risk sources analysis; risk-related sources; rough set theory; rough sets; rules derivation; severe ice-storm weather; standard risk analysis method; Ice; Power supplies; Power system reliability; Power transmission lines; Risk analysis; Robots; Rough sets; Transmission line theory; Transmission lines; Wires;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical and Computer Engineering, 1999 IEEE Canadian Conference on

Conference_Location

Edmonton, Alberta, Canada

ISSN

0840-7789

Print_ISBN

0-7803-5579-2

Type

conf

DOI

10.1109/CCECE.1999.804870

Filename

804870