采用载波移相（Carrier Phase-Shifted）SPWM方式[2>作为底层调制方式，使得级联单元叠加输出的SPWM波的等效开关频率提高到原来每个单元的6倍6，因此在不提高开关频率条件...
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采用级联型多电平逆变器给异步电机供电，逆变器的开关信号利用载波移相脉宽调制方法生成。
The asynchronous machine is fed by cascaded multilevel inverter, and the inverter switching signals are generated by carrier phaseshifted pulse width modulation method.
针对多重化的背靠背四象限变流器，采用了载波移相控制与改进的SPWM调制相结合的方法，减小了电流谐波，提高了功率交换能力。
For multiple back-to-back four-quadrant converter, a modified SPWM technique is combined with carrier phase-shifting control, which reduces current harmonic and enhances power exchange ability.
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