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YOU CAN RUN A FIXED MAGNET WASHING MACHINE MOTOR WITH MOSFET AND SENSOR
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The classification of electric motors is shown in the figure below. It can be seen in Figure 1
Permanent Magnet Synchronous Motor (PMSM),
It is one of the types of Synchronous Motor.
When a Permanent Magnet (PM) is used to generate the magnetic field in an electric machine, a
It becomes the PM engine. Both DC and AC motors can be made with permanent magnets. Permanent
Magnet motors are sinusoidal and trapezoidal type according to the waveform of the induced emf.
are of two types. If it has emf in sinusoidal waveform, it is called PMSM, trapezoidal wave
It is known as BLDC if it has emk in the form of According to the placement of the magnets, the Surface
Assembled Permanent Magnet Synchronous Motor (SM_PMSM) and Internal Permanent Magnet Synchronous Motor
There are two types as (I_PMSM).
Permanent Magnet Synchronous Motors (PMSM)
PMSM is a hybrid between an induction motor and a brushless DC motor. Brushless
Like a DC motor, it consists of a permanent magnet rotor and a stator with windings.
However, it is made to produce a sinusoidal flux density in the air gap of the machine.
The stator structure with windings is similar to the stator of an induction motor.
The stator consists of an outer body and a core with windings.
Permanent Magnet Synchronous Motors (PMSM)
In the stator, the 3-phase windings are wound on the stator core. Each phase winding with 120 degrees from the others
are separated. As with a three-phase asynchronous motor, a rotating 3-phase AC current flows through the windings.
magnetic field is produced. This rotating field attracts or repels the rotor magnets, so the rotor turns.
Types of magnets used in permanent magnet synchronous motors:
• Ferrite
• Alnico (Aluminum Nickel Cobalt - AlNiCo) Alloy
• Samarium Cobalt (SmCo) Alloy
• Neodymium Iron Boron (NdFeB) Alloy
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