Modeling the impact of substations on distribution reliability

Author

Brown, R.E. ; Taylor, T.M.

Author_Institution

ABB Eelectr. Syst. Technol. Inst., Raleigh, NC, USA

Volume

14

Issue

1

fYear

1999

fDate

2/1/1999 12:00:00 AM

Firstpage

349

Lastpage

354

Abstract

A distribution substation is where a power system transitions from a networked topology to a radial topology. As such, it can have a significant influence on distribution system reliability and, ultimately, customer satisfaction. This paper examines three aspects of substation reliability modeling. It first compares substation reliability models of varying complexity. It then performs a sensitivity analysis of substation reliability to component reliability parameters. Last, it develops an equivalent distribution substation model that can be used with feeder reliability models to compute overall distribution system reliability. This method results in accurate composite system reliability results, but allows substation reliability analysis and feeder reliability analysis to be decoupled

Keywords

failure analysis; power distribution reliability; sensitivity analysis; substations; customer satisfaction; distribution system reliability; equivalent distribution substation model; feeder reliability models; networked topology; sensitivity analysis; substation reliability models; Circuit breakers; Customer satisfaction; Low voltage; Network topology; Power system modeling; Power system reliability; Substation protection; Switches; Switching circuits; Transformers;

fLanguage

English

Journal_Title

Power Systems, IEEE Transactions on

Publisher

ieee

ISSN

0885-8950

Type

jour

DOI

10.1109/59.744554

Filename

744554