EntityQ899241· pop 9· linked from 117 articlesWard Leonard controlSign in to saveelectric motor speed control systemConnectionselectrical generatorEntityarmatureEntityreluctance motorEntitydoubly fed electric machineEntityadjustable-speed driveEntityField coilEntityWorld War IIConceptWorld War IConceptNikola TeslaEntityMichael FaradayEntityInternational Standard Book NumberEntityJames Clerk MaxwellEntitymagnetEntityelectromagnetismEntityelevatorEntitydigital object identifierEntityHans Christian ØrstedEntityelectric motorEntityalternating currentEntitydirect currentEntityCategoriesElectric motor control