Identification of the weakest bus in a distribution system with load uncertainties using reactive power margin

Author

Aziz, Tareq ; Saha, T.K. ; Mithulananthan, N.

Author_Institution

Sch. of Informtaion Technol. & Electr. Eng., Univ. of Queensland, Brisbane, QLD, Australia

fYear

2010

fDate

5-8 Dec. 2010

Firstpage

1

Lastpage

6

Abstract

Recently, establishing reliable index to assess voltage stability condition of a stressed multi-node power transmission and distribution system is getting lot of attention. With the integration of renewable energy in power system the subject of voltage stability in distribution system is getting more interest. In this study, reactive power margin has been used as a stability index which appears as a reliable index to determine critical or weak node while considering the influence of load uncertainties. Effectiveness of reactive power margin index has been proved using a modified 16 bus primary distribution system. Some important results are presented in this paper.

Keywords

reactive power; transmission networks; distribution system; load uncertainties; multi-node power transmission; reactive power margin; renewable energy; weakest bus; Impedance; Load modeling; Mathematical model; Power system stability; Reactive power; Stability criteria; distribution system; reactive power margin; voltage stability; weak bus;

fLanguage

English

Publisher

ieee

Conference_Titel

Universities Power Engineering Conference (AUPEC), 2010 20th Australasian

Conference_Location

Christchurch

Print_ISBN

978-1-4244-8379-2

Electronic_ISBN

978-1-4244-8380-8

Type

conf

Filename

5710753