Journal article Open Access

THD Minimization in Cascaded H-Bridge Inverter using Optimal Selective Harmonic Elimination

K. Venkateswararao; G. Joga Rao

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    <subfield code="a">Nine level MLI, Control of inverter, Modular Inverter. Key Words: THD, optimum angles, Iterative methods.</subfield>
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    <subfield code="u">Associate Professor, Department of EEE, Raghu  Institute of Technology (Autonomous) Visakhapatnam (Andhra Pradesh),  India.</subfield>
    <subfield code="a">G. Joga Rao</subfield>
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    <subfield code="p">International Journal of Recent Technology and Engineering (IJRTE)</subfield>
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    <subfield code="u">Pursuing MTech, Department of Power  Electronics, Raghu Institute of Technology (Autonomous) Visakhapatnam  (Andhra Pradesh), India</subfield>
    <subfield code="a">K. Venkateswararao</subfield>
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    <subfield code="a">THD Minimization in Cascaded H-Bridge Inverter  using Optimal Selective Harmonic Elimination</subfield>
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    <subfield code="a">&lt;p&gt;Cascaded structured multilevel inverters are gaining lot of importance due to their simple structure and easiness in implementation. In this paper, the optimum selective harmonic elimination method is employed for a nine level inverter to suppress the selected lower order harmonic, which reduces the total harmonic distortion of the inverter considerably. The Newton rapson algorithm is employed in finding the switching angles that minimizes certain lower order harmonics. The order of the harmonics that are eliminated are third, fifth, and seventh harmonics. All the simulation results included for a nine level inverter using SIMULINK.&lt;/p&gt;</subfield>
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