US 11,952,981 B2
Wind power installation and method for controlling a wind power installation
Nils Noffke, Aurich (DE); Uli Krause, Westerholt (DE); and Tilko Nietsch, Wiesmoor (DE)
Assigned to Wobben Properties GmbH, Aurich (DE)
Filed by Wobben Properties GmbH, Aurich (DE)
Filed on Mar. 24, 2022, as Appl. No. 17/703,727.
Claims priority of application No. 102021107555.6 (DE), filed on Mar. 25, 2021.
Prior Publication US 2022/0307470 A1, Sep. 29, 2022
Int. Cl. F03D 7/02 (2006.01); F03D 9/25 (2016.01); F03D 15/20 (2016.01); H02P 9/04 (2006.01); H02P 101/15 (2016.01)
CPC F03D 7/0276 (2013.01) [F03D 9/25 (2016.05); F03D 15/20 (2016.05); H02P 9/04 (2013.01); H02P 2101/15 (2015.01)] 16 Claims
OG exemplary drawing
 
1. A method for controlling a wind power installation,
wherein the wind power installation includes:
a generator configured to generate electric current, wherein the generator has an air gap with a variable air gap thickness, and
wherein the method comprises:
controlling the wind power installation in a part load range using control regulation; and
selecting or setting the control regulation depending on the air gap thickness to control a tonality of the wind power installation.