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A linear motor is an electric motor that has had its stator and rotor ... the force is produced by a moving linear magnetic field acting on conductors in the field.
The magnetic field of a linear motor sweeping to the left, past an aluminium block. Coloured by induced electric current. In this electric motor design, the force is produced by a linearly moving magnetic field acting on conductors in the field.
A ferromagnetic cylinder showing various magnetization patterns and magnetic field Cylinder magnetization. A Halbach cylinder is a magnetized cylinder composed of ferromagnetic material producing (in the idealized case) an intense magnetic field confined entirely within the cylinder, with zero field outside. The cylinders can also be magnetized ...
The rotating magnetic field is the key principle in the operation of induction machines.The induction motor consists of a stator and rotor.In the stator a group of fixed windings are so arranged that a two phase current, for example, produces a magnetic field which rotates at an angular velocity determined by the frequency of the alternating current.
Switched Reluctance Linear Stepper Motor schematic (aka Variable reluctance linear stepper motor) [6] Switched Reluctance Linear Motor. In this case the active part (coils) is in the stator while the translator is passive and is energized thanks to the magnetic field generated by the stator.
A linear motor is functionally the same as a rotary electric motor with the rotor and stator circular magnetic field components laid out in a straight line. Where a rotary motor would spin around and re-use the same magnetic pole faces again, the magnetic field structures of a linear motor are physically repeated across the length of the actuator.
The motor may not reach this theoretical speed because there are non-linear mechanical losses. On the other hand, if the motor is driven as a generator, the no-load voltage between terminals is perfectly proportional to the RPM and true to the K v {\displaystyle K_{\text{v}}} of the motor/generator.
A magnet motor or magnetic motor is a type of perpetual motion machine, which is intended to generate a rotation by means of permanent magnets in stator and rotor without external energy supply. Such a motor is theoretically as well as practically not realizable.