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The SHINKAWA MP-2S external control unit is a device for controlling polyphase motors such as BLDC (Brushless DC motors) and stepper motors. These motors require an external control unit to function properly.
Unlike brush motors that use magnets on the armature, the magnets in BLDC motors are located on the rotor and the permanent magnets are located on the armature. This arrangement allows the motor to operate without the need for a physical brush inside the motor. Since there are no brushes, the motor does require an external control system to switch the polarity of the electromagnet in order to make the rotor turn a full circle.
External control units such as the SHINKAWA MP-2S may employ methods such as Hall effect control or FOC (Field oriented control) to control the polarity inside the BLDC motor. The FOC controls the motor torque by changing the current, a process that is much more complex than simply changing the current to change the torque value. When the rotor rotates inside the armature, only the orthogonal forces are used to produce torque. If the state of the electromagnet is unchanged, the motor will stall when the magnetic field reaches equilibrium and the magnetic flux component reaches its maximum.
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