CONTROL METHOD, CONTROL DEVICE AND WIND FARM SYSTEM FOR WIND TURBINE FREQUENCY SUPPORT
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United States of America
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Issued Date -
Nov 28, 2024
app pub date -
Dec 27, 2023
filing date -
Dec 27, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
A control method, a control device and a wind farm system for a wind turbine frequency support are provided. The control method includes the following: calculating a comprehensive inertia power value by using a wind farm frequency modulation capability level coefficient when a frequency accident occurs in the wind farm; obtaining a real-time rotational speed of each wind turbine to calculate a state factor that changes in real time, where each wind turbine adjusts a state reference power value of its own by exchanging the state factor with a neighboring wind turbine; and determining instantaneous stator power of each wind turbine by using a MPPT part corresponding to the rotational speed, the comprehensive inertia power value, and the state reference power value, so as to control each wind turbine to perform frequency support until a predetermined frequency support time is reached.
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