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Wind turbine yaw correction system

A technology of correction system and yaw system, which is applied in wind turbines, wind turbine control, wind turbine monitoring, etc., and can solve the problems of lack of yaw angle error prediction mechanism and other problems

Active Publication Date: 2020-10-27
华润电力风能(汕头潮南)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention provides a wind turbine yaw correction system, which is used to solve the problem of lack of a pre-judgment mechanism for yaw angle errors in the prior art

Method used

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Embodiment Construction

[0025] An embodiment of the present invention provides a wind turbine yaw correction system, which is used to predict a large error in the yaw angle, so as to reduce the yaw safety chain failure caused by the error of the yaw angle.

[0026] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0027] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims ...

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Abstract

The embodiment of the invention discloses a fan yaw correction system, and relates to the technical field of wind power generation. The fan yaw correction system is used for solving the problem that the prior art lacks of a pre-judgment mechanism for the yaw angle error condition. The fan yaw correction system comprises a controller, a cam counter and an electronic switching value sensor. The electronic switching value sensor is used for testing the real-time yaw angle. The controller is connected with the electronic switching value sensor and used for acquiring the first testing result of theelectronic switching value sensor. The cam counter comprises a slide rheostat, and the yaw angle is measured through the slide rheostat. The controller is connected with the slide rheostat and used for acquiring the second testing result of the slide rheostat and calculating the first difference between the first testing value and the second testing value. When the first difference exceeds a first preset difference, an alarm is started so as to inform a worker that the yaw angle error is large.

Description

technical field [0001] The invention relates to the technical field of wind power generation, in particular to a wind turbine yaw correction system. Background technique [0002] A wind turbine is a device that converts wind energy into electrical energy. In a wind turbine, the yaw system is one of the important components of the wind turbine. It is used to cooperate with the control system of the wind turbine so that the wind turbine is always in the wind State, make full use of wind energy. [0003] The calculation of the yaw angle is a very important part in the yaw system. The high-precision yaw angle calculation is not only beneficial to the yaw control, but also can be used to reduce the failure rate of the yaw safety chain. For example, an accurate yaw angle is conducive to accurate calculation of the twisted cable angle. If the calculation error of the yaw angle is large, it will easily lead to a large calculation error of the twisted cable angle, which will lead to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03D7/04F03D17/00
CPCF03D7/0204F03D7/042F05B2270/329F03D17/00Y02E10/72
Inventor 詹明灼倪孟岩尹鹏
Owner 华润电力风能(汕头潮南)有限公司
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