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  Comparison of Symmetrical and Asymmetrical Cascaded H-Bridge Inverter with Single DC Source

  By T. Prathiba, P Renuga

  Abstract: This paper presents the comparison of traditional cascaded H-bridge inverter with isolated DC sources (symmetrical arrangement) and the proposed cascaded H-bridge inverter with single DC source (asymmetrical arrangement). Also, fundamental switching strategy is used to generate the control pulses. A conventional cascaded H-bridge (CHB) inverter requires ‘n’ numbers of DC sources for 2n + 1 levels. Without requiring transformers, the scheme proposed here allows the use of a single DC …

  Published in Journal of Power Electronics and Power Systems · Vol. 2, Issue 1, 2012 · pp. 8–17 Read article →