Synchronous Islanded Operation of a Diesel Generator

Robert Best, John Morrow, Peter Crossley, D.J. McGowan

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

The amount of distributed generation connected to the distribution network is increasing. To use this resource more effectively, splitting of the distribution network, or islanding the system, for prevention of power outages is being considered by some utilities. In this paper an islanding method that avoids out-ofsynchronism re-closure is proposed. The island is kept in synchronism with the rest of the utility while it is not electrically connected. This is referred to as synchronous islanded operation. A phase difference control algorithm, developed by the authors, was tested in a single set scenario on a 50-kVA diesel generator using two different governors. These are the “standard product” variable gain governor of the diesel generator and a governor developed by the authors, which utilizes supplementary inputs in addition to engine speed. The results show that phase difference can be controlled within acceptable limits, both in steady state and after load disturbances are applied. The advantages of employing supplementary governor inputs are fully evaluated.
Original languageEnglish
Pages (from-to)2170-2176
Number of pages7
JournalIEEE Transactions on Power Systems
Volume22 (4)
Issue number4
DOIs
Publication statusPublished - Nov 2007

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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