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Multilevel converters are an emerging industrial technology and are the subject of a substantial amount of research. However, they are yet to find their way into many mainstream engineering applications. This paper presents a method of quantifying the benefits and disadvantages of multilevel converters of increasing order. The analysis focuses on the cascaded H-bride topology for grid-tie battery...
The use of silicon carbide (SiC) semiconductor power devices has been studied and evaluated in a wide variety of converters. The work presented in this paper shows the performance of C2M SiC MOSFETs compared to Si devices operating as switching elements in a 5-level, single phase, multilevel converter. The paper describes the multilevel converter platform used to undertake the evaluation study and...
This paper proposes an alternative method for starting an aerospace gas turbine, temporarily driving its existing low inductance wound-field generator as a starter-motor using back-to-back connected, diode clamped inverters. This approach will result in a net weight saving as the existing pneumatic starter is now not required. A prototype converter is constructed and tested upon an aerospace generator,...
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