Is it dangerous to supply the stepper motor with DC power supply exceeding the rated voltage?
Date：January 5, 2025 Views：27
A friend asked me, if I use more than the rated voltage of the DC power directly to drive the stepper motor this is not dangerous?
Xiaobian tells you that in fact, this can be done, but it must be operated within the current limit and speed range set by the stepper motor. Normally, the voltage of the motor is proportional to the speed of the stepper motor, so it generally does not cause too fast speed, but Xiaobian does not recommend that you often do this, only occasionally use it. A long time is easy to lead to the failure of the stepper driver, so here we must tell you that we must ensure that the stepper motor can meet the coefficient requirements of the minimum inductance of the stepper driver, and we must ensure that the current limit is less than or equal to the rated current of the stepper motor.
In fact, if you compromise the motor speed in your equipment is very slow, but it must be lower than the rated voltage, which is very good because the relatively low voltage in the operation of the brush resistance will be relatively small, so for the commutator and brush, the loss is very small. At the same time, the lower current will also reduce the consumption of the motor and delay the life of the stepper motor, which is very helpful.
There is also if the size of the motor itself is limited in volume, performance requirements outside the torque and speed, but the transition to drive the stepper motor is OK, and will cause the service life of the product, everyone pay attention to use.
Xiaobian tells you that in fact, this can be done, but it must be operated within the current limit and speed range set by the stepper motor. Normally, the voltage of the motor is proportional to the speed of the stepper motor, so it generally does not cause too fast speed, but Xiaobian does not recommend that you often do this, only occasionally use it. A long time is easy to lead to the failure of the stepper driver, so here we must tell you that we must ensure that the stepper motor can meet the coefficient requirements of the minimum inductance of the stepper driver, and we must ensure that the current limit is less than or equal to the rated current of the stepper motor.
In fact, if you compromise the motor speed in your equipment is very slow, but it must be lower than the rated voltage, which is very good because the relatively low voltage in the operation of the brush resistance will be relatively small, so for the commutator and brush, the loss is very small. At the same time, the lower current will also reduce the consumption of the motor and delay the life of the stepper motor, which is very helpful.
There is also if the size of the motor itself is limited in volume, performance requirements outside the torque and speed, but the transition to drive the stepper motor is OK, and will cause the service life of the product, everyone pay attention to use.
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