Venkataramanaiah, J.Yellasiri, Y.Panda, A.K.2026-02-052018IEEE Journal of Emerging and Selected Topics in Power Electronics, 2018, 6, 4, pp. 1903-191121686777https://doi.org/10.1109/JESTPE.2017.2776294https://idr.nitk.ac.in/handle/123456789/24921This paper presents a single-phase 19-level inverter with fewer switching components, leading to reducing the cost and enhancing reliability for renewable applications. The anticipated multilevel inverter has two bridges that generate quasi-square and seven-level uneven waveforms with equal magnitude steps. Two voltage waveforms are cascaded at secondary side of transformers to create the 19-level output voltage waveform. Furthermore, to find the appropriate switching instants of the proposed configuration, a new fundamental switching method called the fundamental sine quantized switching technique is presented. In fact, it has the capacity to provide the N number of switching instants with less computational efforts, and attain optimized total harmonic distortion in the output voltage. Finally, performance of the proposed topology is validated with simulations and a hardware setup. © 2013 IEEE.Digital watermarkingElectric invertersHarmonic analysisHarmonic distortionSwitchesTopologyWave filtersMulti Level Inverter (MLI)Phase transformersPower harmonic filtersSwitching techniquesTotal Harmonic Distortion (THD)Switching