Layout construction and intelligent optimization method and device for transmission part of low-wind-speed wind turbine generator

Abstract

The invention discloses a layout construction and intelligent optimization method and device for a transmission part of a low-wind-speed wind turbine generator. The method comprises the steps of inputting a limit load and a fatigue load of a whole transmission chain; Assuming that the total number of the ultimate load and the fatigue load of the whole transmission chain is N, performing calculating from the first working condition, and selecting three parts, namely a bearing, a gearbox and a motor; After model selection is qualified, obtaining partial sizes of the main shaft and the hub according to the assembly relation, and calculating the safety coefficients of the main shaft and the hub according to the load condition and the size; Judging whether each part meets the safety level requirement or not, and if yes, outputting a span variable on the main shaft; Otherwise, skipping output, and judging whether all working conditions are calculated or not; If not, continuing the calculation until the calculation is completed; Finding a qualified transmission part, storing the data and establishing a transmission part layout database; The invention further discloses a transmission partlayout intelligent optimization method and device based on the database. The design efficiency and the design cost can be greatly improved.

Description

technical field [0001] The invention relates to the field of wind power design, in particular to a layout database, a construction method, an intelligent optimization method and a device of a transmission part of a wind turbine. Background technique [0002] With the increasing energy consumption and the increasing demand for environmental protection, the development of renewable new energy is getting more and more attention. Among them, wind power is one of the fastest growing new energy sources, and the design of wind turbines has become a crucial technology in the wind energy industry. ; The transmission chain is the core system of the wind turbine, and its operating characteristics and cost directly determine the performance of the wind turbine. [0003] Taking double-fed wind turbine as an example, such as figure 1 As shown, the transmission chain includes a hub 1, a floating bearing 2, a main shaft 3, a thrust bearing 4, a yaw drive 5, a gearbox 6, a control cabinet 7...

AI Technical Summary

Problems solved by technology

At present, the layout of transmission components of wind turbines basically relies on the experience of technicians to design, which leads to high design costs and low efficiency.

[0004] It can be seen that the above-mentioned existing wind turbines obviously still have inconvenience and defects in the layout design of the transmission parts, and need to be further improved urgently.

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