Another Combined Motor-Controller System

Dean Sigler Electric Powerplants, Sustainable Aviation 1 Comment

Compact Dynamics, a German electronics firm associated with MAHEPA, the green aviation consortium, has developed two types of electric motor-controller combinations adaptable to aeronautical use.  Their Dynax® Transversal flow machines and Dynadyn® Radial flux drives integrate power electronics with the motor. Their Dynax MGi25-48, one of two lower-power motor-controller combination, is rated at 25 kilowatts (33.5 horsepower) maximum power at 58 Volts, and 20 kW continuous output.  The small motor can generate an impressive 75 Newton-meters (58.3 foot pounds) of torque from its 14 kilogram (30.8 pound) heft.  Even with its controller mounted atop, the full motor package is only 318 millimeters (12.5 inches) high, and 233 mm (9.17 inches) deep.  The motor itself is only 107 mm (4.2 inches) …