Six-sigma distribution system reliability

Author

Xiang Ren

Abstract

"Recently there has been much discussion among both users and suppliers regarding electric distribution reliability. Certain high-tech industries, such as integrated circuit fabrication plants, may suffer six or even seven figure losses due to a momentary outage. Such losses have led to suggestions that the "Six-Sigma Criterion" be applied to power delivery. Six-sigma in manufacturing means 3.4 defected parts shipped per million. In power delivery, six-sigma is generally regarded as system availability of 0.9999966 or greater.

This thesis explores the feasibility of achieving six-sigma availability in power delivery. Several different network topologies and schemes are discussed, which include reduction of fault rate, reduction of repair/restoration time, sectionalization, loop schemes, redundant primary mains, and distributed generation. A software package is developed to evaluate the impact of those schemes on distribution system reliabilty. Tests have been conducted on real utility distribution systems and the test results show that it is feasible to achieve six-sigma distribution system reliability by applying several of the schemes in unison."--Abstract, page iii.

Advisor(s)

Stanek, Keith

Committee Member(s)

Chowdhury, Badrul H.
Crow, Mariesa

Department(s)

Electrical and Computer Engineering

Degree Name

M.S. in Electrical Engineering

Publisher

University of Missouri--Rolla

Publication Date

Summer 2004

Pagination

ix, 65 pages

Note about bibliography

Includes bibliographical references (pages 63-64)

Rights

© 2004 Xiang Ren, All rights reserved.

Document Type

Thesis - Restricted Access

File Type

text

Language

English

Subject Headings

Electric power distribution -- ReliabilitySix-sigma (Quality control standard)

Thesis Number

T 8580

Print OCLC #

57759958

Recommended Citation

Ren, Xiang, "Six-sigma distribution system reliability" (2004). Masters Theses. 2630.
https://scholarsmine.mst.edu/masters_theses/2630