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Air-cooled motor generator i.e. air-cooled vertical-axis motor generator, has throttle devices adjustable in coolers and provided in enclosed cooling circuit for adjusting volume flow of cooling air
Air-cooled motor generator i.e. air-cooled vertical-axis motor generator, has throttle devices adjustable in coolers and provided in enclosed cooling circuit for adjusting volume flow of cooling air
The generator (10) has a rotor (34) with a rotor shaft (11) rotatably arranged around a machine axis (15). A rotor winding (16) i.e. pole winding, is arranged on the shaft. A stator (35) includes a stator laminated core (18) and a stator winding (17) that concentrically surrounds the rotor winding. Cooling air in an enclosed cooling circuit radially flows through the windings from inside to outside. Coolers arranged outside the stator is cooled off and led back into the rotor. Throttle devices adjustable in the coolers are provided in the circuit for adjusting volume flow of cooling air. An independent claim is also included for a method for operating an air-cooled motor generator.
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