Data acquisition system and data acquisition method for testing wind turbine blades
A data acquisition system and wind turbine technology, which is applied in the monitoring of wind turbines, wind turbines, and the use of repeated force/pulsation force to test the strength of materials, etc., can solve the problems of incomparable data, inconsistent time information of detection data, etc., to achieve Data transmission, solving the inconsistency of time information, and reducing the effect of signal interference
Active Publication Date: 2019-12-17
KOREA INST OF MATERIAL SCI
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[0018] Another object of the present invention is to provide a data acquisition system and a data acquisition method, which can solve the problem that the time information of the detection data is inconsistent and the data cannot be compared due to the distributed arrangement of the data acquisition devices
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[0055] Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.
[0056] It should be understood that for known functions or constructions related to the present invention, no detailed description will be given so as not to unnecessarily obscure the gist of the present invention. Furthermore, when designating reference numerals and symbols, even if the same reference numerals and signs are shown in other drawings, the same reference numerals and signs are used to designate the same constituent elements.
[0057] (Data Acquisition System for Testing Wind Turbine Blades)
[0058] First, refer to Figure 5 to Figure 12 The data acquisition system according to the present invention will be described.
[0059] Figure 5 is a configuration diagram showing an example of a data acquisition system according to the present invention, and Figure 6 is a cross-sectional view of the blade to illustrate the sensor placeme...
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Abstract
The present invention relates to a distributed data acquisition system, in which signal lines of sensors attached to a large-sized blade are shortened to prevent noise from being included in acquired data, and in which data is given time-synchronization, and to a data acquisition method capable of safely acquiring and storing data. The distributed data acquisition system according to the present invention includes: at least two distributed data acquisition devices(200) distributedly arranged on the wind turbine blade(10); and at least two sensors distributedly arranged on a surface or inside of the blade and connected to the adjacent distributed acquisition devices with a signal wire.
Description
technical field [0001] The present invention relates to tests for performance evaluation of wind turbine blades, and more particularly to a distributed data acquisition system in which the signal lines (cables) of the sensors attached to large blades are shortened to prevent the collected data from being Include noise and keep detection data time-synchronized. Moreover, the present invention also relates to a data collection method capable of safely collecting and storing data. Background technique [0002] In a wind turbine system, rotor blades are the most important components for converting wind energy into mechanical energy, and the rotor blades are getting larger and up to several MW in order to improve power generation efficiency by expanding offshore wind power generation. [0003] figure 1 is a diagram showing a general cross-sectional structure of a wind turbine blade. The blade 10 constituting the rotor blade has an air-foil shape including a leading edge 10a an...
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IPC IPC(8): G01N3/00G01N3/08G01N3/32G01M99/00
CPCF03D17/00F05B2260/83G01M5/0016
Inventor 金鎭奉文进范朴志祥李鹤求尹淳镐黄炳善金志勋
Owner KOREA INST OF MATERIAL SCI