H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
H02P1/18—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual DC motor
H02P1/20—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual DC motor by progressive reduction of resistance in series with armature winding
Dispositif réalisant la transformation du courant continu à voltage constant en puissance mécanique à couple constant jusqu'à une vitesse donnée, avec réduction automatique au-delà, et la transformation inverse avec les mêmes caractéristiques mécaniques.