Gearbox is an important component of wind turbine, and its reliability is closely related to the running state of wind turbine and the economic benefits of wind farm. Firstly, this paper introduces the structure and function of gearbox. Then, taking a wind farm with gearbox failure as an example, the failure types of gearbox are analyzed by endoscopic examination and on-site dismantling. Finally, the causes of failures in actual operation are analyzed, which provides guidance for preventive maintenance and failure treatment of wind farm.
Wind turbines are subjected to strong gust impact and extreme temperature difference all the year round, so it should have high enough reliability to ensure normal operation. Because of the complex working conditions of wind turbines, it is easy to cause the gearbox to fail in its life, thus affecting the safe and reliable power generation of wind power. Therefore, it is very important to analyze and prevent the gearbox failure. This paper introduces the key role of gearbox in wind turbine, sorts out the common fault types of gearbox, and analyzes the main factors of gearbox fault from the stages of design and manufacture, installation and storage, operation and maintenance, which provides reference for wind farms to formulate fault prevention measures.
Wind turbines are usually installed in harsh environment, which brings difficulties to their overhaul and maintenance. Gearbox is a component with high fault rate in wind turbine. In order to avoid its fault and premature fault, the potential factors that may cause the fault of wind turbine gearbox should be fully considered. In this paper, the components and power generation principle of wind turbines are briefly introduced, the common fault forms of gearboxes are sorted out, and the main influencing factors of gears and bearings with high fault rate are analyzed, which provides a reference for wind farm operators to better maintain gearboxes.
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