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首页> 外文期刊>International Journal of Power Electronics and Drive Systems >Implementation of Cascaded based Reversing Voltage Multilevel Inverter using Multi Carrier Modulation Strategies
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Implementation of Cascaded based Reversing Voltage Multilevel Inverter using Multi Carrier Modulation Strategies

机译：基于多载波调制策略的级联式可逆多电平逆变器的实现

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In this paper, a cascaded based reversing voltage (CBRV) multilevel inverter structure is proposed inorder to compensate the major drawbacks in the conventional multilevel inverters. The proposed topology requires less number of components, less carrier signals and gate drives when compared to existing multilevel inverters particularly at higher levels. Therefore, the complexity and overall cost are greatly reduced particularly for higher output voltage levels. This paper also presents the most relevant control and modulation methods by a triangular based multi carrier pulse width modulation (PWM) scheme for the proposed CBRV inverter topology. This paper presents a comparison between different modulation strategies for CBRV inverter topology based on sinusoidal and space vector references with multi triangular carrier waves. The work strive hard to present the scrutiny that has been made between various PWM control techniques for 1–Ф seven level CBRV inverter structure. The comparison is made in terms of Total Harmonic Distortion (THD) and fundamental RMS voltage. Finally, the simulation results are included to verify the effectiveness of the proposed CBRV inverter topology and validate the proposed theory. A hardware set up was developed for a 1–Ф seven level CBRV inverter topology using FPGA based pulse generation.
机译：本文提出了一种基于级联的可逆电压（CBRV）多电平逆变器结构，以弥补传统多电平逆变器的主要缺点。与现有的多级逆变器相比，提出的拓扑需要更少的组件数量，更少的载波信号和栅极驱动，特别是在更高级别上。因此，特别是对于较高的输出电压水平，大大降低了复杂性和总成本。本文还通过基于三角形的多载波脉冲宽度调制（PWM）方案，针对所提出的CBRV逆变器拓扑结构，提出了最相关的控制和调制方法。本文介绍了基于正弦波和具有多个三角载波的空间矢量参考的CBRV逆变器拓扑的不同调制策略之间的比较。这项工作努力展示了针对1–Ф七电平CBRV逆变器结构的各种PWM控制技术之间进行的详细讨论。根据总谐波失真（THD）和基本RMS电压进行比较。最后，包含仿真结果以验证所提出的CBRV逆变器拓扑的有效性并验证所提出的理论。使用基于FPGA的脉冲生成技术为1–Ф七电平CBRV逆变器拓扑开发了硬件设置。

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