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A Study of Level-Shifted PWM Single-phase 11-Level Multilevel Inverter

机译：电平移位PWM单相11级多级逆变器的研究

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This paper presents a modified shifted-level pulse width modulation (PWM) for an 11-level multilevel inverter (MLI) that used for distributed generation systems and medium and high power energy conversion systems applications because of the flexibility in the voltage level that this converter has been introduced. This converter employs five independent DC sources to generate the eleven output voltage levels considering a reduced number of switching devices. The proposed switching control arrange the switching devices to synthesize the multilevel output voltage. The MMLI structure consisted of traditional H-Bridge as the main converter and aiding circuit that used to form the multilevel of the output voltage according to the proposed switching technique. The gains of this converter is that it presents a topology for increasing the output voltage levels in the simultaneously with a decrements of the switching devices, the switching losses as well as low level of THD. The validity of the presented MLI are verified by both computer simulation using MATLAB Simulink? and real-time simulation (RTS) with the aid of dSPACE hardware.
机译：的是，用于分布式发电系统和介质，并由于在电压电平的灵活性高功率的能量转换系统的应用本文提出了一种改性偏移电平脉冲宽度调制（PWM），用于一个11级的多级逆变器（MLI），该转换器已经出台。这个转换器采用五个独立直流电源，以产生考虑开关元件的数量减少了11个输出的电压电平。所提出的切换控制安排开关装置来合成所述多电平的输出电压。该MMLI结构由传统H桥的作为主转换器和用来根据所提出的切换技术，以形成所述输出电压的多级辅助电路。此转换器的增益是，它提出了一种拓扑用于与所述开关装置的减量，开关损耗以及THD的低电平的同时增加输出电压电平。所提出的MLI的有效性通过使用MATLAB的计算机仿真验证？和实时仿真（RTS）使用dSPACE硬件的帮助。

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