Fault current allocation by the least-squares method

Natthaphob Nimpitiwan, Gerald T. Heydt

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


This letter contains the analysis of the increase of fault current due to the installation of distributed resources or merchant plants. An index called the average change of fault (ACF) current is proposed. The ACF can be applied to indicate the contribution of the increase of fault current and to allocate the responsibility of system upgrades among the owners of distributed resources.

Original languageEnglish (US)
Pages (from-to)2148-2150
Number of pages3
JournalIEEE Transactions on Power Systems
Issue number4
StatePublished - Nov 2005


  • Dispersed generation
  • Distributed resources
  • Fault current calculation
  • Power distribution

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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