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Motor drive
Videos
Motor drive is an electrical system that includes a motor. An adjustable-speed motor drive is a motor drive that has multiple operating speeds, while a variable-speed motor drive is continuously varia
Line regenerative variable-frequency drives, showing capacitors (top cylinders) and inductors attached which filter the regenerated power
Line regenerative variable-frequency drives, showing capacitors (top cylinders) and inductors attached which filter the regenerated power
Fan Pump and Motors
Fan Pump and Motors
Induction motor
Videos
An induction motor or asynchronous motor is an AC electric motor in which the electric current in the rotor that produces torque is obtained by electromagnetic induction from the magnetic field of the
Motor drive
…An eddy-current drive (sometimes called a "Dynamatic drive", after one of the most common brand names) consists of a fixed-speed motor (generally an induction motor) and an eddy-current clutch. The clutch contains a fixed-speed rotor and an adjustable-speed rotor separated by a small air gap. A direct current in a…
Three-phase totally-enclosed fan-cooled (TEFC) induction motor with end cover on the left, and without end cover to show cooling fan on the right. In
Three-phase totally-enclosed fan-cooled (TEFC) induction motor with end cover on the left, and without end cover to show cooling fan on the right. In TEFC motors, interior heat losses are dissipated indirectly through enclosure fins, mostly by forced air convection.
Cutaway view through stator of TEFC induction motor, showing rotor with internal air circulation vanes. Many such motors have a symmetric armature, an
Cutaway view through stator of TEFC induction motor, showing rotor with internal air circulation vanes. Many such motors have a symmetric armature, and the frame may be reversed to place the electrical connection box (not shown) on the opposite side.
A model of Nikola Tesla's first induction motor at the Tesla Museum in Belgrade, Serbia
A model of Nikola Tesla's first induction motor at the Tesla Museum in Belgrade, Serbia
Squirrel-cage rotor construction, showing only the center three laminations
Squirrel-cage rotor construction, showing only the center three laminations