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Extending SFR Model to Quantitatively Assess the Influence of Thermal States on Primary Frequency Response Capability
IET Generation, Transmission & Distribution
Due to the increasing penetration of variable renewable energies, the primary frequency response (PFR) capability of thermal power units is becoming more and more significant for power systems to tackle abrupt active power disturbances. Moreover, the actual thermal states of boilers that are usually assumed to keep rated and constant may degrade PFR capability, and incur unexpected severer frequency deviations and even instability. This study proposes an extended system frequency responsedoi:10.1049/iet-gtd.2020.0206 fatcat:lyunmv7ahzcm7acsvx376a5yj4