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Wind turbine yaw correction system

A technology of correction system and yaw system, applied in wind turbine, wind turbine control, wind turbine monitoring and other directions, can solve the problem of lack of yaw angle error pre-judgment mechanism and so on

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

An embodiment of the invention discloses a wind turbine yawing correction system, relates to the technical field of wind power generation and is intended to solve the problem that the prior art lacksa pre-judging mechanism for yawing angle errors. The wind turbine yawing correction system comprises a controller, a cam counter and an electronic switching sensor; the electronic switching sensor isused for testing a real-time yawing angle; the controller is connected with the electronic switching sensor and is used for acquiring a first test result of the electronic switching sensor; the cam counter includes an encoder; the encoder is used to measure a yawing angle; the controller is connected with the encoder and is used for acquiring a second test result of the encoder, calculating a first difference between a first test value and a second test value, activating an alarm if the first difference is greater than a first preset difference so as to inform workers that the jawing angle error is too 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): F03D7/02F03D7/04F03D17/00
CPCF03D7/0204F03D7/042F05B2270/329F03D17/00Y02E10/72
Inventor 黄德华倪孟岩詹明灼
Owner 华润电力风能(汕头潮南)有限公司
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