Jan 1, 2020 · This study tried to find out through the analysis of the fire on the wind turbine how the pilot check valve malfunction due to contamination and leakage of hydraulic oil in the
Hydraulic wind power technology replaces the original gearbox with flexible transmission, which can effectively absorb wind speed pulsation and impact, smooth power transmission, reduce grid impact, as well as have the advantages of reducing cabin weight and construction cost to meet the needs of large-scale wind power development.
The most important functions of hydraulics in wind turbines include pitch adjustment, yaw and rotor braking, cooling & lubrication, and power transfer. Some of the important applications of wind turbines are discussed below. 1. HYDRAULIC PITCH CONTROL
Wind turbine power flow during operation . Hydraulic energy storage system integrated in hydraulic wind turbine plays a very important role in absorbing wind energy pulsation, stabilizing generator speed, power smoothing and so on. It is an indispensable part of hydraulic wind turbine.
In order to further promote the application of hydraulic wind turbine, the research and development of high power hydraulic components is particularly important, especially the development of megawatt-level, low-speed, and high-torque hydraulic pump and hydraulic motor.
Hydraulics in wind turbines include pitch adjustment, yaw and rotor braking, cooling & lubrication, and power transfer.
There are also some shortcomings that need further study. First of all, the high power development trend of wind power generation requires supporting hydraulic systems. At present, there are few hydraulic equipment that can meet this requirement, especially megawatt level hydraulic pumps and hydraulic motors.
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