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Author: search.filters.author.Manjunatha Sharma, K.M.Subject: search.filters.subject.Cascaded H-bridge inverter

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    A Novel PWM Technique for MPPT Tracking of PV-Based Cascaded H-bridge Multi-level Inverter
    (Institute of Electrical and Electronics Engineers Inc., 2023) Maheswari, G.; Manjunatha Sharma, K.M.; Prabhakaran, P.
    This paper presents a novel Pulse Width Modulation (PWM) technique designed for a Cascaded H-Bridge (CHB) grid-tied multilevel inverter used in Photovoltaic (PV) systems, featuring a single-stage power conversion. Each inverter's output voltage adopts a quasi-square waveform tailored to correspond with the power generated by the respective solar panel. A key highlight of this technique is its simplicity, avoiding complex implementation. By incorporating the proposed PWM technique into the cascaded H-Bridge inverters, it efficiently optimizes the Maximum Power Point Tracking (MPPT) for each PV panel, regardless of whether the irradiation conditions are uniform or non-uniform, while simultaneously achieving DC capacitor voltage balance. Moreover, employing this PWM technique simplifies the implementation process on a DSP, avoiding unnecessary complexity. © 2023 IEEE.