The driving mode of the brushless DC water pump can be divided into a variety of driving modes according to different categories, and they have their own characteristics.
1. According to the driving waveform: square wave driving, this driving method is convenient to realize and easy to realize the motor without position sensor control;
2. Sinusoidal drive: This drive method can improve the motor running effect and make the output torque uniform, but the realization process is relatively complicated. At the same time, this method has two methods, SPWM and SVPWM (Space Vector PWM), and the effect of SVPWM is better than SPWM.
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