Wind turbine generator cut-in/cut-out wind speed optimization method and system and equipment medium

Abstract

The invention discloses a wind turbine generator cut-in / cut-out wind speed optimization method and system and an equipment medium, and the method comprises the steps: carrying out the governance analysis of the operation big data of a wind turbine generator, and building a power curve function of the power generation capability of the wind turbine generator; obtaining a wind speed distribution function model; according to the wind speed distribution function model and the power generation capacity power curve function of the wind turbine generator, calculating the annual power generation capacity of the generator; counting the actual operation state big data of the wind speed of the unit at a certain cut-in wind speed and a certain cut-out wind speed, and obtaining a relation function between the cut-in / cut-out wind speed and fatigue loads borne by the unit and main components through calculation of the actual operation state big data; taking the cut-in wind speed and the cut-out wind speed as independent variables, and taking the required unit power generation capacity and the fatigue impact load as targets, and solving the cut-in / cut-out wind speed meeting the requirements; or taking the demanded generating capacity as a target, using the constraint preference that the fatigue damage value is smaller than the design value, and converting the two targets into a single-target function for solving the demanded generating capacity for optimizing and solving.

Description

technical field [0001] The invention belongs to the field of wind turbine design and debugging, and relates to a wind turbine cut-in / cut-out wind speed tuning method, system and equipment medium. Background technique [0002] With the rapid development of the domestic wind power industry, the number of low-wind-speed wind farms built in the central and eastern regions of China is also increasing in recent years. For these low-speed wind farm resources, the frequency of wind speed around the cut-in wind speed often accounts for a large proportion, and the cut-out wind speed will also be affected by the environmental conditions of the wind farm. The cut-in wind speed affects the start and stop of the wind turbine. If the cut-in wind speed is set too small, it will cause frequent start and stop of the wind turbine; if the cut-in wind speed is set too high, it will cause the wind turbine to start abnormally even at a high wind speed, directly affecting the generating capacity of...

AI Technical Summary

Problems solved by technology

The cut-in wind speed affects the start and stop of the wind turbine. If the cut-in wind speed is set too small, it will cause frequent start and stop of the wind turbine; if the cut-in wind speed is set too high, it will cause the wind turbine to start abnormally even at a high wind speed, directly affecting the generating capacity of the unit.

The cut-out wind speed will directly affect the fatigue life and power generation of the wind turbine. If the cut-out wind speed is set too small, the power generation of the unit will be lost; if the cut-in wind speed is set too high, although it will bring benefits in power generation, it will also lead to Fatigue life of the unit decreases or even fails to meet the standard design requirements

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