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Soft starters and frequency converters of waste tire shredder machine are two completely different applications.
The frequency converter is used for speed regulation of tire recycling machine . The output not only changes the voltage but also changes the frequency.
The soft starter of tyre shredder motor is actually a voltage regulator.
When the motor starts, the output only changes the voltage and does not change the frequency. The frequency converter has all the soft starter functions, but it is much more expensive than the soft starter and the structure is much more complicated.
The tyre recycling machine motor soft starter uses a soft starter connected in series between the power supply and the controlled motor to control the conduction angle of the internal thyristor, so that the input voltage of the motor gradually rises from zero with a preset function relationship until the end of the start, and the motor is given to the motor the full voltage is the soft start. During the soft start process, the motor starting torque is gradually increased and the rotational speed is gradually increased.