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Modulation strategies for the two-level three-phase delta-switch voltage source inverter

机译:二电平三相增量开关电压源逆变器的调制策略

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This work proposes a novel two-level delta-switch voltage source inverter (Δ-VSI) and the modulation principles that are used to operate it. The switching pulse patterns are presented for space vector modulation as well as for carrier based PWM modulation schemes. There, the requirements for the modulation signals computation are explained. Experimental and simulation results are presented in order to validate the proposed converter operation. Finally, a comparison is carried out regarding converter losses and common mode voltages for different modulation schemes. The results indicate advantageous increment in efficiency and noise level attenuation.
机译:这项工作提出了一种新颖的两级增量开关电压源逆变器(Δ-VSI)及其用于操作它的调制原理。提出了用于空间矢量调制以及用于基于载波的PWM调制方案的切换脉冲模式。在那里,说明了调制信号计算的要求。给出了实验和仿真结果,以验证建议的转换器操作。最后,针对不同调制方案的转换器损耗和共模电压进行了比较。结果表明效率和噪声水平衰减的有利增加。

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