A load monitoring method and system based on wind turbine clearance monitoring
A technology for wind turbines and loads, which is applied in the monitoring of wind turbines, control of wind turbines, and wind power generation. It can solve problems such as high cost, large investment in equipment, and complicated monitoring process, and achieve the effect of low cost and guaranteed safety.
Active Publication Date: 2022-07-12
CSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INST
View PDF11 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] Most of the existing technologies focus on monitoring or measuring the clearance, that is, the distance marked between the blade and the tower, or measure the load on the blade root and the load on the top of the tower through sensors, and compare it with the threshold load to determine whether the wind turbine needs to be shut down. In order to ensure the safe operation of wind turbines; the monitoring method in the prior art separates the clearance monitoring and load monitoring, resulting in a large investment of equipment, complicated monitoring process, and high cost
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0022] The present invention will be further described below in conjunction with specific embodiments. Among them, the accompanying drawings are only used for exemplary description, and they are only schematic diagrams, not physical drawings, and should not be construed as restrictions on this patent; in order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings will be omitted, The enlargement or reduction does not represent the size of the actual product; it is understandable to those skilled in the art that some well-known structures and their descriptions in the accompanying drawings may be omitted.
[0023] like figure 1 As shown, this embodiment provides a load monitoring system based on wind turbine headroom monitoring, including a headroom monitoring and judgment module 1, a load monitoring and judgment module 2, and a wind turbine status data module 3. The headroom monitoring and judgment module 1 includes a headroom m...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a load monitoring method and system based on the clearance monitoring of wind turbines. By establishing a database, the real-time clearance and the clearance threshold are compared. When the real-time clearance is greater than the clearance threshold, by acquiring the state data of the wind turbine and combining the real-time clearance, the corresponding real-time blade root load, real-time transmission chain load, real-time tower top load and real-time tower bottom load; when any one of real-time blade root load, real-time transmission chain load, real-time tower top load and real-time tower bottom load is greater than or equal to its corresponding When the blade root load threshold, the transmission chain load threshold, the tower top load threshold or the tower bottom load threshold, the wind turbine stops; the system includes a clearance monitoring and judgment module, a load monitoring and judgment module and a wind turbine status data module; through real-time clearance and wind turbine status The combination of data realizes the estimation of the wind turbine load, thereby better ensuring the safe operation of the wind turbine, and the cost is lower, and there is no need to invest additional equipment again.
Description
technical field [0001] The invention relates to the field of load monitoring of wind turbines, in particular to a load monitoring method and system based on clearance monitoring of wind turbines. Background technique [0002] As the blades get longer and longer, the flexibility increases; in addition, the cost pressure of wind turbines is huge, and the headroom margin in the design process of wind turbines is getting smaller and smaller. A headroom monitoring system is configured for wind turbines to measure real-time wind turbines during operation. It is more and more necessary to obtain the clearance data of wind turbines, and in order to ensure the safe operation of wind turbines, it is also necessary to monitor the load of wind turbines. [0003] In the prior art, it is mostly a method of monitoring or measuring the clearance, that is, the distance indicated by the blade from the tower, or measuring the blade root load and the tower top load through sensors, and comparin...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): F03D17/00F03D7/04
CPCF03D17/00F03D7/0268F03D7/043Y02E10/72Y02B10/30
Inventor 王磊廖戡武李小孟巫发明李慧新
Owner CSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INST