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Distributed measuring system for noise of wind turbine

A technology for wind turbines and measurement systems, applied in the direction of measuring devices, measuring ultrasonic/sonic/infrasonic waves, instruments, etc., can solve problems such as poor reliability and difficult synchronization of noise measurement systems, and achieve the effect of small synchronization errors

Inactive Publication Date: 2014-09-10
INST OF ACOUSTICS CHINESE ACAD OF SCI +1
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Problems solved by technology

[0005] The purpose of the present invention is to overcome the defects of existing noise measurement systems such as difficult synchronization and poor reliability, thereby providing a distributed measurement system for wind turbine noise

Method used

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  • Distributed measuring system for noise of wind turbine
  • Distributed measuring system for noise of wind turbine
  • Distributed measuring system for noise of wind turbine

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Embodiment Construction

[0024] The present invention will be further described now in conjunction with accompanying drawing.

[0025] refer to figure 1 , the wind turbine noise distributed measurement system of the present invention includes: an acoustic measurement terminal, a wind turbine operating parameter measurement node, a lifting meteorological measurement station, a wireless communication base station, an acoustic signal processing center, a meteorological and wind turbine data processing center, and a system control , Display, Interaction Center. Wherein, the acoustic measurement terminal includes a plurality of acoustic measurement terminals, one acoustic measurement terminal is placed on a noise measurement position, and the wind turbine operating parameter measurement node is installed on the wind turbine; the acoustic measurement terminal is a wind turbine The operating parameter measurement node, the elevating meteorological measuring station performs data communication with the wirel...

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Abstract

The invention relates to a distributed measuring system for the noise of a wind turbine. The system comprises an acoustic measuring end machine, a wind turbine operation parameter measuring node, a wireless communication base station, an acoustic signal processing center, a meteorology and wind turbine data processing center, and a system control, display and interaction center. The acoustic measuring end machine is installed on a noise measuring position, and the wind turbine operation parameter measuring node is installed on a wind turbine; the acoustic measuring end machine and the wind turbine operation parameter measuring node carry out data communication with the wireless communication base station through a wireless mode, acoustic data reaches a first processing center via the wireless communication base station, and the first processing center processes the acoustic data; wind turbine data is transmitted to a second processing center via the wireless communication base station, and the second processing center processes the wind turbine data; and the system control, display and interaction center is used for realize control and data transmission of other modules in the measuring system, interaction with users, and display measuring data and a processing result.

Description

technical field [0001] The invention relates to the field of electric power, in particular to a distributed measurement system for wind turbine noise. Background technique [0002] Wind energy is an important renewable energy source, and wind power generation has become the most mature type of new energy application in my country. [0003] Noise will be generated during the operation of wind turbines. The country has strict regulations on the noise during the operation of wind turbines to avoid its impact on the surrounding environment. Therefore, it is necessary to detect the noise of wind turbines. According to the requirements of "GB / T 22516-2008 / IEC 61400-11:2002 Wind Turbine Noise Measurement Method", the noise test of wind turbines needs to measure the A-weighted sound pressure level and apparent sound level of wind turbines under specified geographical conditions. Power level (integer wind speed, in the range of 6-10 / ms), 1 / 3 octave analysis and other acoustic measu...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01H17/00
Inventor 管鲁阳马晓晶鲍明李晓东
Owner INST OF ACOUSTICS CHINESE ACAD OF SCI
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