Hybrid seven-level cascaded active neutral-point-clamped-based multilevel converter under SHE-PWM
RIS ID
79931
Abstract
This paper presents the hybrid seven-level cascaded active neutral-point-clamped (ANPC)-based multilevel converter. The converter topology is the cascaded connection of a three-level ANPC converter and an H-bridge per phase. The voltage of the H-bridge is actively maintained to the required level through selection of the switching states of the converter. The topology is operated under selective harmonic elimination pulsewidth modulation (SHE-PWM), maintaining the switching frequency of the converter to a minimum. The operating principles, voltage balancing methods, and limitations of the converter are analyzed together with extensive simulation results of the topology. Experimental results from a low-power laboratory prototype are presented that verify the operation of the hybrid converter under SHE-PWM.
Publication Details
Pulikanti, S. R., Konstantinou, G. S. & Agelidis, V. G. (2013). Hybrid seven-level cascaded active neutral-point-clamped-based multilevel converter under SHE-PWM. IEEE Transactions on Industrial Electronics, 60 (11), 4794-4804.