Transcription of Grid Code Frequency Response Working Group System Inertia
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Grid Code Frequency Response Working Group System Inertia
Grid Code Frequency Response Working GroupSystem Inertia Antony Johnson, System Technical PerformanceOverview Background to System Inertia Transmission System need Future Generation Scenarios Initial Study Work International Experience and Manufacturer Capability Transmission System Issues ConclusionsFrequency Change Under steady state the mechanical and electrical energy must be balanced When the electrical load exceeds the mechanical energy supplied, the System Frequency will fall. The rate of change of Frequency fall will be dependant upon the initial Power mismatch and System Inertia The speed change will continue until the mechanical power supplied to the transmission System is equal to the electrical is Inertia Important Inertia is the stored rotating energy in the System Following a System loss, the higher the System Inertia (assuming no Frequency Response ) the longer it takes to reach a new steady state operating Frequency .
Hackney Baglan Bay Leighton Buzzard Patford Bridge Northfleet East Singlewell Fourstones Humber Refinery Spalding North West Thurrock ISSUE B 12-02-09 41/177619 C Collins Bartholomew Ltd 1999 Dingwall Dounreay Newarthill Cumbernauld Kincardine Wishaw Strathaven Kilmarnock South Ayr Coylton Inveraray Dunoon Helensburgh Inverkip Devol
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