HYBRID INVERTER FOR WITH ASSOCIATION OF A FIVE LEVEL INVERTER AND A THREE LEVEL TWO SWITCH INVERTER
DOI:
https://doi.org/10.59627/cbens.2010.1431Palavras-chave:
Inverter Multipulse, Hybrid InverteResumo
This paper presents the most important topologies like diode-clamped inverter (neutral-point clamped), capacitor-clamped (flying capacitor), and cascaded multicell with separate dc sources. Emerging topologies like asymmetric hybrid cells and soft-switched multilevel inverters are also discussed. This paper also presents the most relevant control and modulation methods developed for this family of converters: multilevel sinusoidal pulse width modulation, multilevel selective harmonic elimination, and space-vector modulation. The voltage regulation is obtained by means of a switched power stage, composed of two current sources used to modulate the desired RMS value and waveform in the output stage. Mathematical analysis, experimental and simulation results are presented.
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