A three-phase fault currents calculation method used for protection coordination analysis

K. A. Saleh*, H. H. Zeineldin, A. Al-Hinai

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

A reliable fault current calculation method is required to perform precise protection coordination analysis. The conventional short circuit calculation method is not valid for distribution power systems that are equipped with Inverter-Based Distributed Generation (IBDG) units. This paper proposes a new simple method based on the superposition theorem that calculates the three-phase fault currents for meshed distribution system in the presence of IBDG units. The proposed method is tested on the power distribution system of IEEE 14-bus with three IBDG units. The proposed method achieves good accuracy when compared to the results of a transient model of the test system. Moreover, the three-phase fault currents computed by the proposed method were used as part of the protection coordination problem. The protection coordination problem is formulated as a constrained non-linear programming problem and solved to determine the optimal relay settings.

Original languageEnglish
Title of host publicationProceedings of the IEEE Power Engineering Society Transmission and Distribution Conference
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479936557
Publication statusPublished - Jul 23 2014
Externally publishedYes
Event2014 IEEE/PES Transmission and Distribution Conference and Exposition, T and D 2014 - Chicago, United States
Duration: Apr 14 2014Apr 17 2014

Publication series

NameProceedings of the IEEE Power Engineering Society Transmission and Distribution Conference
ISSN (Print)2160-8555
ISSN (Electronic)2160-8563

Other

Other2014 IEEE/PES Transmission and Distribution Conference and Exposition, T and D 2014
Country/TerritoryUnited States
CityChicago
Period4/14/144/17/14

Keywords

  • Distributed generation
  • Fault currents
  • Optimization
  • Protection coordination
  • Superposition

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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