I went to a presentation by GE today for their facility in Salem. They do all sorts of power related things there including building controllers for wind turbines, solar panels, and traditional power plants.
This is a radiator used to cool diodes in their generator contol systems. It is made of copper and weighs 50 pounds. They sandwith the diodes between two of them with 20,000 pounds of force. There are eight diodes in each controller, so that's 800 pounds of copper just to cool the diodes!
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