6SL3352-7AH33-3AA0

6SL3352-7AH33-3AA0

6SL3352-7AH33-3AA0

6SL3352-7AH33-3AA0

在三相交流电路中，相电压是指每个相线之间的电压差，即A相电压与B相电压、B相电压与C相电压、C相电压与A相电压之间的电压差。 在三相电路中，相电压的大小一般是线电压的根号3倍。

线电压是指交流电路中相邻两个相线之间的电压大小，有效电压是指交流电路中产生等效功率的电压大小。

PWM代表脉宽调制(Pulse Width Modulation)。 它是一种常用于电子设备和电路中的调制技术，用于控制电子信号的大小、形状和频率。 从数学的角度来看，PWM是一种周期性的数字信号，由一个固定频率的载波信号和一个可变占空比的调制信号组成。

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