Electric Motors, Part 3
31 entries in the Electric Motors, Part 3 compendium.
Stepper motorA brushless DC motor that rotates in discrete angular steps.Sub-Micro AC DriveCompact VFD for small motor speed and torque control.Superconducting electric machineSuperconducting machines offer high power density but require cryogenic cooling.Switched reluctance linear motorA magnet-free linear motor using variable reluctance for force generation.Synchronous condenserA spinning motor that adjusts reactive power on the grid.Synchronous motorAC motor with shaft rotation locked to supply frequency.TEFC motorCommon industrial motor with enclosed design and external fan cooling.Torque motorA DC motor that stalls safely while applying steady torque.Torque rippleOscillation of average torque in rotating electrical machines.Traction motorElectric motor for vehicle propulsion, used since 1875.Turntide TechnologiesUK start-up making smart motors and expanding into electric vehicles.Ultrasonic motorUltrasonic motors use resonant vibration to drive rotors or sliders.Universal motorA commutated series-wound motor operable on AC or DC power.Vibrator (mechanical)A mechanical device generating vibration via an unbalanced motor mass.Walter Baily's MotorEarly polyphase motor using fixed electromagnets to rotate a disk.AC motorAC motors convert alternating current into rotational or linear motion.Shading coilA conductor turn that maintains magnetic force during zero current crossings.Motor controllerA device coordinating electric motor performance including start, stop, speed, and protection.CycloconverterConverts AC to lower-frequency AC without a DC link.DC injection brakingDC injection braking quickly stops AC motors using direct current.Direct torque controlHysteresis-based torque control for AC motors.Electronic speed controlAn electronic circuit that controls electric motor speed.FAM control of induction motorFAM controls torque by adjusting air gap flux speed.InverterizationInverterization uses variable-speed drives to improve motor efficiency.Korndörfer autotransformer starterReduced-voltage starter using autotransformer for large induction motors.Motor control centerCentralized assembly for controlling multiple electric motors.Ward Leonard controlA DC motor speed control system using a generator as an amplifier.ABBSwedish-Swiss technology firm in electrification and automation.AlstomFrench multinational rail transport systems manufacturer.Alta MotorsAmerican electric motorcycle maker known for the Redshift line.Bosch (company)German engineering and technology company, world's largest automotive supplier.
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