TANG Yufeng,YANG Ping,YANG Yi.Frequency Response Control Strategy of Wind Turbines Considering Frequency Secondary Drop[J].Automation of Electric Power Systems,2023,47(9):166-174.
TANG Yufeng,YANG Ping,YANG Yi.Frequency Response Control Strategy of Wind Turbines Considering Frequency Secondary Drop[J].Automation of Electric Power Systems,2023,47(9):166-174. DOI: 10.7500/AEPS20220607008.
Frequency Response Control Strategy of Wind Turbines Considering Frequency Secondary Drop
Participation of wind power in the frequency response is an important scheme to ensure the frequency stability of power systems with high penetration rate of wind power. However
the rotational speed recovery process of wind turbines may lead to the frequency secondary drop (FSD) of the system. On the basis of analyzing the process of wind turbines using rotor kinetic energy to participate in frequency response
the generation mechanism of FSD and the main factors affecting FSD
a frequency response control strategy of wind turbines is proposed to reduce FSD considering the penetration rate of wind power. Based on the integrated inertia control
the active power reference values of wind turbines in the frequency support process and the rotor speed recovery process are designed in stages
and the output power of wind turbines is dynamically adjusted to reduce FSD. Finally
simulation results verify that the proposed strategy can significantly reduce FSD in power systems with different penetration rates of wind power and improve the frequency response characteristics of power systems.
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