Synchronous islanded operation of a diesel generator

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

    Research output: Contribution to journalArticlepeer-review

    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-of-synchronism 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. © 2007 IEEE.
    Original languageEnglish
    Pages (from-to)2170-2176
    Number of pages6
    JournalIEEE Transactions on Power Systems
    Volume22
    Issue number4
    DOIs
    Publication statusPublished - Nov 2007

    Keywords

    • Diesel-driven generators
    • Diesel-electric power stations
    • Fuzzy control
    • Fuzzy logic
    • Islanding
    • Phasor measurement
    • Power system control
    • Real-time control
    • Real-time systems

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