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Two-phase cooling for warm things in the nacelle

By Paul Dvorak | June 14, 2011

Parker’s Precision-Cooled Rack Solution features patented two-phase evaporative cooling for things that must stay cool in turbine nacelles.

A novel precision-cooled rack is now available for cooling critical wind turbine components. The precision-cooled rack of Parker’s Precision-Cooled Rack Solution features patented two-phase evaporative cooling that uses non-corrosive, non-conductive fluid, as it vaporizes and cools hot surfaces on contact. Parker’s Precision-Cooled Rack Solution can be used to cool critical wind turbine systems, including power conversion electronics, the generator and the gear box, and also provides an efficient solution in a smaller, lighter footprint than racks using alternative thermal management.

The flexibility of Parker’s technology and its use in racks, cabinets, and containers has been implemented in many other industrial markets where it has been easily configured to cool a variety of applications such as power electronics, motors, transformers, and batteries. Dual-phase liquid cooling continuously cycles a refrigerant within a sealed, closed loop to cool a wide range of devices. The cooling system uses a small pump to deliver just enough coolant to the evaporator – usually a series of one or more cold plates optimized to acquire the heat from the warm device. In so doing, the coolant begins to vaporize maintaining a cool uniform temperature on the surface of the device. The resulting two-phase coolant is then pumped to a heat exchanger where it rejects the heat to the ambient and condenses back into a liquid, completing the cycle.

The cooling rack works well in wind turbines where the size and weight in the nacelle continues to grow with total capacity. In addition, the Parker precision-cooled rack is the only product available today offering the potential to double the power density of key major subsystems such as the generator and power conversion system, and whose modular thermal management elements greatly simplify onsite maintenance when required, while reducing overall maintenance costs.

Parker Hannifin
w
ww.powersystemscooling.com


Filed Under: Nacelle, News, O&M
Tagged With: cooling, cooling rack, Parker, rack cooling
 

About The Author

Paul Dvorak

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