Patent · US Active

Method for operating a wind turbine

US11193470B2 · kind B2 · utility

2Cited by

11References

27Claims

0Family size

Assignee

Wobben Properties GmbH · DE

Inventors

Ralf Messing · Aurich, DE
Stefanie Bott · Aurich, DE
Hendrik Schnell · Aurich, DE

Key dates

Filing date	Jun 6, 2019
Grant date	Dec 7, 2021
Priority date	—
Expiry date	Jun 6, 2039

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/72
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A method for operating a wind turbine, in particular at a location characterized by a cold climate is provided. The method includes, specifying an air density at a location of the wind turbine, setting a blade angle of an adjustable rotor blade based on an output power, torque and/or rotor speed. The method includes setting the blade angle as a function of a at pitch characteristic curve which specifies the blade angle as a function of the output power, the torque and/or the rotor speed and as a function of the air density. According to the pitch characteristic curve, the blade angle has a minimum as a function of the air density in a region of a reference density of an atmosphere at the location which is characterized by a cold climate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.