Electric motor comprising first and second sub-motors

An electric motor arrangement comprising an electric motor having a rotor, a stator, a first coil set and a second coil set. The first coil set is arranged to form a first sub motor with a control device being arranged to control current in the first coil set to generate a first torque on the rotor....

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Bibliographische Detailangaben
Hauptverfasser:	ANTHONY DAVID WEARING, GERARD SEAN BOAST, SIMON BROCKWAY, DRAGICA KOSTIC PEROVIC, GEOFFREY HENFRYN OWEN
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION INSTRUMENTATION OR DASHBOARDS FOR VEHICLES MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	An electric motor arrangement comprising an electric motor having a rotor, a stator, a first coil set and a second coil set. The first coil set is arranged to form a first sub motor with a control device being arranged to control current in the first coil set to generate a first torque on the rotor. The second coil set is arranged to form a second sub motor with the control device being arranged to control current in the second coil set to generate a second torque on the rotor. The first sub motor is arranged to have a first torque efficiency profile and the second sub motor is arranged to have a second torque efficiency profile. A controller is provided to determine a first torque value generated by the first sub motor and a second torque value generated by the second sub motor in response to a requested torque demand based on a required torque efficiency profile for the electric motor.