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A detection method for a supercapacitor module of a wind power generating set

A technology of supercapacitor modules and wind turbines, which is applied in the monitoring of wind turbines, wind turbines, engines, etc., and can solve the problems of difficult calculation, inaccuracy, and rough data of capacitance values

Active Publication Date: 2019-12-20
CHENGDU FORWARD TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The reliability detection of traditional wind turbine capacitor modules can only be done by detecting whether the capacitor voltage is within the normal range, and the data is rough and inaccurate.
The traditional wind turbine capacitor module capacity measurement is carried out by charging the charger. However, during the operation of the wind turbine, the capacitor is always at full voltage. At the same time, it is difficult to calculate the capacitance value during the charging process. The charger feedback during the long-term operation of the wind turbine The capacitance value is not accurate

Method used

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Embodiment Construction

[0023] In order to describe in detail the technical content, structural features, objectives and effects of the present invention, the following detailed description will be given.

[0024] A detection method of a supercapacitor module of a wind power generating set of the present invention, the method comprising:

[0025] Whether the wind speed of the wind field satisfies the detection condition judgment step S1, that is, use the wind speed and direction measurement module to measure the real-time wind speed of the wind field within the range of any selected time length t and feed it back to the main control system of the wind turbine to calculate the average wind speed within the range of any selected time length t. The main wind turbine control system compares the preset wind speed test condition value with the average wind speed within the range of any selected time length t. If the average wind speed is less than the preset wind speed test condition value within any select...

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Abstract

The invention provides a detecting method of a super capacitance module of a wind generating set. According to the detecting method, through a self system, a capacitance value of the super capacitancemodule in a wind generating set operational process can be detected more precisely. The service life of the capacitance can be forecasted precisely. More reliable guarantee is provided for the safetyof a draught fan.

Description

technical field [0001] The invention relates to the field of electric power technology, in particular to a detection method for a supercapacitor module of a wind power generating set. Background technique [0002] The reliability detection of traditional wind turbine capacitor modules can only be done by detecting whether the capacitor voltage is within the normal range, and the data is rough and inaccurate. The traditional wind turbine capacitor module capacity measurement is carried out by charging the charger. However, during the operation of the wind turbine, the capacitor is always at full voltage. At the same time, it is difficult to calculate the capacitance value during the charging process. The charger feedback during the long-term operation of the wind turbine value is not accurate. Contents of the invention [0003] The object of the present invention is to provide a detection method for a supercapacitor module of a wind power generating set in view of the defe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03D17/00
CPCF05B2260/82
Inventor 张杰冯永刚孔朝志付小林
Owner CHENGDU FORWARD TECH
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