METHOD FOR CONTROLLING INERTIA RESPONSE OF VARIABLE-SPEED WIND TURBINE GENERATOR
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United States of America Patent
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Dec 9, 2014
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Dec 9, 2014
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Abstract
A method of controlling inertia response of variable-speed wind turbine generator includes following steps. A maximum wind power of the wind turbine is gotten through a wind speed νw and a rotation speed ωr at the hub of the wind turbine based on a maximum wind power tracking control strategy. The maximum wind power is set as an active power control reference value P0 of the wind turbine. A grid frequency f is obtained via a frequency measurement equipment. An additional active power control reference value ΔP of the wind turbine is generated based on the grid frequency f via an additional control block, and the additional active power control reference value ΔP is added on the active power control reference value P0, wherein a total of active power control reference value of the wind turbine is P0+ΔP.
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