Stepper motor heating solution
Stepper motor is prone to heat problems, so how to solve this situation?
One of the most significant advantages of stepper motors is the ability to achieve precise control in open-loop systems, since the position of the (rotor) can be known simply by tracking the input stepping pulses, but stepper motors are also prone to heat. So how to solve this situation?
One of the most significant advantages of stepper motors is the ability to achieve precise control in open loop systems. Open loop control means that no feedback on the position of the (rotor) is required. This control avoids the use of expensive sensors and feedback devices such as optical encoders because the position of the (rotor) is known only by tracking the input stepping pulses. The stepper motor is also prone to heat problems, so how to solve this situation?
1. Reduce motor heat and reduce heat, which is to reduce copper loss and iron loss. There are two directions to reduce copper loss, which reduces the electric current and current. This requires that the motor with small resistance and small rated current should be selected as much as possible in the selection. For two-phase motors, the parallel motor can be used with the series motor, but this often It is in conflict with the requirements of torque and high speed.
2. For the motor that has been selected, the automatic semi-flow control function and offline function of the drive should be fully utilized. The former automatically reduces the current when the motor is static, and the latter simply cuts off the current.
3. In addition, the subdivision driver is less sinusoidal due to the current waveform, less harmonics, and less motor heating. There are not many ways to reduce iron loss, and the voltage level is related to it. Although the high-voltage drive motor will bring about the improvement of high-speed characteristics, it also brings about an increase in heat.
4, should choose the appropriate drive motor voltage level, taking into account high band, stability and heat, noise and other indicators.
