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<p>For renewable energy applications, an optimal output with lower power electronics components requires an efficient power electronic circuit. In this paper, a novel asymmetrical thirteen-one level multilevel inverter with ideal components is suggested for use in renewable energy applications. It uses asymmetrical DC sources and fewer circuit components to produce thirteen-one output levels. This arrangement lowers the inverter’s overall size and cost. An input from a solar PV source powers the suggested inverter. A PV standalone system needs an MPPT technique to generate a stable output using the P&amp;O algorithm in order to maintain a constant DC voltage output from the solar panels. To increase the solar PV voltage, a four-level DC–DC boost converter is used. Several dynamic tests are assessed under various loading circumstances in order to evaluate the inverter’s performance under both static and dynamic loading conditions. The suggested MLI uses less voltage stress between the switches, as demonstrated by calculations of total standing voltage (TSV) and several comparisons with contemporary designs. The suggested system is superior to the current topologies when the cost function (CF) is computed and compared. Additionally, the number of switches, sources, gate driver boards, diodes, and component count level factor are compared; the suggested architecture is found to be the most advantageous of these options. Both modelling and experiment yielded a total harmonic distortion (THD) of 3.2%, which is within IEEE guidelines. A hardware prototype is used for experimental testing of the suggested inverter, which was designed using MATLAB/Simulink.</p>

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Design and implementation of a novel multilevel inverter for renewable energy applications

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月25日

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  • C. Dhanamjayulu

摘要

For renewable energy applications, an optimal output with lower power electronics components requires an efficient power electronic circuit. In this paper, a novel asymmetrical thirteen-one level multilevel inverter with ideal components is suggested for use in renewable energy applications. It uses asymmetrical DC sources and fewer circuit components to produce thirteen-one output levels. This arrangement lowers the inverter’s overall size and cost. An input from a solar PV source powers the suggested inverter. A PV standalone system needs an MPPT technique to generate a stable output using the P&O algorithm in order to maintain a constant DC voltage output from the solar panels. To increase the solar PV voltage, a four-level DC–DC boost converter is used. Several dynamic tests are assessed under various loading circumstances in order to evaluate the inverter’s performance under both static and dynamic loading conditions. The suggested MLI uses less voltage stress between the switches, as demonstrated by calculations of total standing voltage (TSV) and several comparisons with contemporary designs. The suggested system is superior to the current topologies when the cost function (CF) is computed and compared. Additionally, the number of switches, sources, gate driver boards, diodes, and component count level factor are compared; the suggested architecture is found to be the most advantageous of these options. Both modelling and experiment yielded a total harmonic distortion (THD) of 3.2%, which is within IEEE guidelines. A hardware prototype is used for experimental testing of the suggested inverter, which was designed using MATLAB/Simulink.