Novel Multilevel Inverter Topologies for Cascaded Voltage Source Architectures
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 6
Abstract
this paper proposes two new single phase multi level inverter (mli) topologies configured with reduced switches suitable for cascaded structure on extracting various levels of ac output voltages. The philosophy essays a proportion between the input dc voltage and the preferred number of output voltage levels. The scheme explores incorporation of h- bridge together with a structure to alleviate switching losses for the specific target output voltage. The proposal allows the magnitudes of the voltage sources to be arranged in binary or trinary fashion and there it maximizes the number of output voltage levels of the mlis. It also introduces the multi carrier pulse width modulation technique along with phase disposition sequence (pd-mc-pwm) and a hybrid pwm (hpwm) formulation for generating the firing pulses. The outputs of the proposed cascaded hybrid mli topologies validate the simulated results based on matlab r2010 and entice a fresh scope for the use of mlis.
Authors and Affiliations
Subramanian Annamalai, Jaisiva Selvaraj
Keywords
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- EP ID EP24583
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