The control signals of invertor are produced by space vector modulation to achieve a small torque ripple and constant switch frequency.
以空间矢量调制方法来获得逆变器的开关信号，实现了小的转矩脉动和恒定的开关频率。
The heavy duty switch can directly control small pump motors, and is also ideal for instrument or PLC signalling.
该重型开关可以直接控制小型水泵电机，并也为仪器或PL C信号的理想选择。
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