公开(公告)号：US12234807B2

公开(公告)日：2025-02-25

申请号：US18250954

申请日：2021-10-26

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Nicolaj Winther Johansen ,  Mranal Gupta ,  Kaj Dam Madsen ,  Brian Ank Mertz ,  Claus Thy Henningsen

IPC: F03D7/02

Abstract: The invention provides a method of reducing noise emissions of a wind turbine. The method includes receiving data indicative of wind conditions in the vicinity of the wind turbine, and determining an operational set point signal in accordance with a desired operation of the wind turbine, the operational set point signal being determined based on the received data. The method includes applying a perturbation signal to the operational set point signal to obtain a modified operational set point signal, and controlling operation of the wind turbine using the modified operational set point signal to reduce noise emissions of the wind turbine. The perturbation signal is applied such that the modified operational set point signal has greater temporal variation than the operational set point signal.

公开(公告)号：US11286909B2

公开(公告)日：2022-03-29

申请号：US16331100

申请日：2017-09-06

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Mranal Gupta ,  Janne-Pekka Yrjönen ,  Jan Johansen ,  Niels Christian M. Nielsen ,  Edgar Anahua ,  Kaj Dam Madsen ,  Jens Demtröder

IPC: F03D17/00 ,  F03D7/02

Abstract: A method 400 of predicting tonal noise produced by a wind turbine is disclosed. The method comprises acquiring 410 a first set of vibration data, the first set of vibration data being from a plurality of vibration sensors positioned at different locations about a wind turbine drivetrain when the wind turbine drivetrain is undergoing testing in a test rig; acquiring 420 a second set of vibration data, the second set of vibration data being from a plurality of vibration sensors positioned at different locations about the same or a similar wind turbine drivetrain when located in a wind turbine; acquiring 430 noise data including tonal noise produced by the wind turbine; identifying 440 a vibration sensor of interest using vibration data of the second set of vibration data and the noise data; determining 450, for the identified sensor, a first relationship between vibration data of the first set of vibration data and the second set of vibration data; and determining 460, for the identified vibration sensors, a second relationship between the first set of vibration data and tonal noise produced by a wind turbine based on the first relationship.

公开(公告)号：US11105316B2

公开(公告)日：2021-08-31

申请号：US16473163

申请日：2017-12-11

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： Mranal Gupta ,  Kaj Dam Madsen

IPC: F03D7/02 ,  F03D80/60 ,  F03D80/80

Abstract: A method of controlling noise produced by a wind turbine is disclosed. The wind turbine comprises one or more component cooling devices, and the method comprises: receiving one or more inputs indicative of noise generated by the one or more component cooling devices; determining the contribution of noise from the one or more component cooling devices to overall turbine noise based upon the one or more inputs; and modifying turbine operation based upon the contribution of cooling device noise to overall turbine noise and based upon turbine noise requirements. A corresponding wind turbine controller is also provided.