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dc.contributor.authorSandeep, N.-
dc.contributor.authorYaragatti, Udaykumar R.-
dc.date.accessioned2020-03-31T08:23:28Z-
dc.date.available2020-03-31T08:23:28Z-
dc.date.issued2018-
dc.identifier.citationIET Power Electronics, 2018, Vol.11, 1, pp.82-91en_US
dc.identifier.urihttps://idr.nitk.ac.in/jspui/handle/123456789/10966-
dc.description.abstractMultilevel inverters are one of the preferred choices in medium-voltage and high-power applications in the recent past. Active neutral-point-clamped (ANPC) inverter is the most popular topology, especially in the class of five-level (5L) inverters. In this study, a nine-level topology with improved output waveform quality is proposed based on ameliorating the 5L ANPC inverter with least modifications. The addition of only two switches operating at line frequency to the conventional 5L ANPC inverter while maintaining an identical precursor part count is the proposed modification. A logic form equation-based active voltage balancing scheme that is independent of load current and power factor is developed to regulate the flying capacitor voltage at the reference value. The operating principle, salient features, and the developed control scheme are comprehensively detailed. The operation of the proposed inverter considering a grid integrated case is simulated in MATLAB/ Simulink, and the results corresponding to steady-state and dynamic conditions are presented. The benefits of the proposed topology are elucidated by comparing it with other classic topologies considering various prominent viewpoints. This comparison has illustrated the proposed topology's distinctive characteristics and profound advantages. The performance validation, feasibility, and practicability of the proposed inverter are established through the experimental results obtained from a laboratory-scale prototype. The Institution of Engineering and Technology 2017.en_US
dc.titleDesign and implementation of active neutralpoint-clamped nine-level reduced device count inverter: An application to grid integrated renewable energy sourcesen_US
dc.typeArticleen_US
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