Single-Phase Multilevel Inverter With a Coupled Inductor
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Date
2025
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Publisher
IEEE-Inst Electrical Electronics Engineers inc
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Abstract
Multilevel inverters have become indispensable components in various power electronic applications, particularly in medium-and high-voltage scenarios. This paper introduces a novel single-phase seventeen-level inverter design that utilizes three DC sources and a coupled inductor, resulting in a reduced size and cost. The incorporation of coupled inductors empowers multilevel inverters to enhance performance, yielding high-quality output voltages while minimizing current stress on power devices. A topology-specific level shifted pulse-width modulation (LS-PWM) technique is presented and thoroughly discussed. The proposed topology is simulated and a hardware prototype was constructed to verify the performance of the proposed seventeen-level topology. The outcomes indicate that the implemented topology successfully attains the anticipated performance. Furthermore, a comparative analysis with other existing topologies has been conducted, unequivocally confirming the superior performance, efficiency, and cost of the proposed topology, setting it apart as an outstanding solution in the field of multilevel inverters.
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Keywords
Switches, Inductors, Topology, Multilevel Inverters, Windings, Pulse Width Modulation, Capacitors, Performance Evaluation, Inductance, Harmonic Analysis, Coupled Inductor, Multilevel Inverter (Mli), Switch Count
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WoS Q
Q2
Scopus Q
Q1
Source
Volume
13
Issue
Start Page
40671
End Page
40681