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Hybrid modulation technique for binary asymmetrical cascaded multilevel inverter for PV application

机译:光伏应用中二进制非对称级联多电平逆变器的混合调制技术

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Performance of a binary asymmetrical cascaded H-bridge (CHB) inverter using two H-bridges is investigated in this paper. A modified hybrid modulation technique is implemented where one bridge operates at fundamental switching frequency and handles most of the power. The 2nd bridge operates at a higher switching frequency to generate a desired sinusoidal waveform at the output. Thus, the H-bridges of CHB inverter operate at different voltage levels and at different frequencies. This allows the performance to be optimized. Simulation and experimental results are produced to prove the usefulness of the proposed system configuration. A possible application in solar PV system is reported.
机译:本文研究了使用两个H桥的二进制非对称级联H桥(CHB)逆变器的性能。实施了一种改进的混合调制技术,其中一个桥以基本开关频率工作并处理大部分功率。第二桥以较高的开关频率工作,以在输出端生成所需的正弦波形。因此,CHB逆变器的H桥以不同的电压电平和不同的频率运行。这样可以优化性能。仿真和实验结果证明了所提出的系统配置的有效性。报道了在太阳能光伏系统中的可能应用。

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