What is wind turbine cooling?
Wind turbine cooling involving: wind generator, electronic and electric equipment, gearbox and other components cooling. Through the years challenges of cooling systems for wind turbine caused the new cooling systems.
How to cool a wind turbine?
Through the years challenges of cooling systems for wind turbine caused the new cooling systems. A simple way to cooling the turbine is using the small part of inlet air to the nacelle and filling the needed part and finally exhausting the air from nacelle . These days in MW wind turbines use oil or water for cooling.
Can a 750 kW wind turbine be cooled?
As to large- and medium-scale wind generating set with power more than 750 kW, a liquid recirculation cooling method can be implemented to satisfy the cooling requirement . Regarding MW wind turbine with a larger power capacity, the gearbox, generator and control converter all produce comparatively large amount of heat .
Is natural air cooling sufficient for wind turbine cooling?
As the power capacity increases, merely natural air cooling was not sufficient for cooling requirement. The current wind turbines adopt forced air cooling and liquid cooling prevalently, among which, the wind generating set with power up to 750 kW usually takes forced air cooling as a main cooling method.
How a wind turbine cooling system works?
In this study, a conceptual design of a new wind turbine cooling system is proposed. In this system, the heat which is generated by wind turbine using a coolant comes to ORC cycle and gives the heat into the refrigerant. After that the coolant goes back to the wind turbine to take the heat.
Which heat source is used as coolant for wind turbine cooling system?
As a first study and based on previous studies for ORC heat source which comes from wind turbine cooling system 80 °C temperature is selected as minimum. Table 1 shows the simulation condition and results. The Water is used as coolant in this simulation.
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Air-air cooling systems for generator cooling in wind turbines; Project-specific design in the multi-megawatt range; Offshore application: separating salty air from generator cooling air circuits; Special coating to protect against corrosion; Easy maintenance; Air-air cooling is the most reliable and sustainable method for offshore wind turbines
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