Offshore wind plant current collection system reliability obtaining method considering real-time wind speed

Abstract

The invention relates to an offshore wind plant current collection system reliability obtaining method considering real-time wind speed. The method comprises the following steps: S1, obtaining the real-time wind speed; s2, respectively establishing a mathematical relationship model between the real-time wind speed and the real-time output of the fan and a mathematical relationship model between the real-time wind speed and the real-time failure rate of the wind turbine generator; s3, establishing a real-time reliability model of the equivalent wind turbine generator according to the mathematical relationship model in the step S2, and determining a real-time reliability index of the offshore wind plant current collection system; s4, acquiring a topological structure and switch configurationof an offshore wind power plant current collection system; and S5, acquiring real-time reliability parameter data under the corresponding topological structure and switch configuration by utilizing the real-time reliability index. Compared with the prior art, the method has the advantages of high accuracy, high reliability and the like.

Description

technical field [0001] The invention relates to the field of power generation and transmission in electric power systems, in particular to a method for obtaining the reliability of a collection system of an offshore wind farm considering real-time wind speed. Background technique [0002] In recent years, the problems of energy depletion and environmental pollution have become increasingly severe, while new energy power generation has the characteristics of pollution-free and sustainable, and its application prospects are extremely broad. Wind energy is a clean and renewable energy, and vigorously developing renewable energy is necessary for rationally adjusting the power structure and is also an important part of the domestic energy development strategy. The offshore wind farm is a research hotspot of wind power generation and an important direction of wind energy utilization in the future. [0003] Compared with onshore wind power, offshore wind power has three major adva...

AI Technical Summary

Problems solved by technology

In the existing technology, in the research on the reliability of offshore wind farms, the consideration of the influence of wind speed on the output of wind farms is relatively simple. Chinese patent CN201910854244.9 discloses an offshore wind farm that takes into account the seasonal characteristics of wind speed and the failure of power collection system components. Although the wind farm reliability assessment method considers the seasonal characteristics of wind speed, it does not consider the influence of real-time wind speed on the failure rate of offshore wind turbines, and its reliability assessment results have low accuracy and low credibility.

Images