Draught fan detection and diagnosis system

Abstract

The invention discloses a draught fan detection and diagnosis system, which is used for detection and fault diagnosis of a wind generating set; the detection and diagnosis system comprises a data acquisition module, a data transmission module, a data storage module, a data analysis and fault diagnosis module and a control and interaction module; the data analysis and fault diagnosis module is communicated with the data storage module and is used for analyzing variable data parameters and diagnosing the cause of the fault of a draught fan, the control and interaction module can realize data sharing with a control system of the draught fan or a central monitoring system in a wind field. The draught fan detection and diagnosis system can automatically diagnose the causes of common faults of the draught fan, shorten the maintenance cycle and reduce the maintenance cost.

Description

technical field [0001] The invention relates to the technical field of wind power generating sets, in particular to a wind turbine detection and diagnosis system. Background technique [0002] Wind power generation technology is to build a wind farm in an appropriate area, install wind turbines (hereinafter referred to as fans) on the basis of the fans in the wind farm, and convert wind energy into electrical energy through the fans. A fan generally includes a fan tower, a nacelle and an impeller. A generator and a gearbox are installed in the nacelle. The main shaft of the gearbox protrudes from the outside of the nacelle, and the impeller is installed on the main shaft. The bottom end of the fan tower is provided with a flange for connecting with the fan foundation, and the nacelle is installed on the top of the fan tower. The impeller rotates under the action of the wind, driving the generator in the nacelle to generate electric energy, and realizing the conversion from w...

AI Technical Summary

Problems solved by technology

[0003] With the increase of capacity, quantity and running time of wind power generating units, the problems that plague the entire wind power industry have also emerged, that is, the failure rate of generating units increases, and even leads to shutdown, which seriously affects the power generation and causes huge economic loss

In order to grasp the operating status and health status of wind turbines, most foreign wind turbines are equipped with online monitoring systems to monitor the operating status of wind turbines in real time. When the monitoring signal exceeds the limit value, an alarm will be issued. The following problems: on the one hand, it is impossible to accurately diagnose the cause of the fault, and manual on-site diagnosis is still required; on the other hand, it is impossible to interact with the control system in real time after a problem occurs, and determine the operation strategy after the problem occurs

In addition, setting up an online monitoring system for each fan is also a big test for the cost of the fan

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