A Novel Nearest Level Modulation Method with Increased Output Voltage Quality for Modular Multilevel Converter Topology

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">DC-link voltage</td><td class="align_center">40 V</td></tr><tr><td class="align_left">Output frequency</td><td class="align_center">50 Hz</td></tr><tr><td class="align_left">Number of SMs</td><td class="align_center">4</td></tr><tr><td class="align_left">Arm inductance</td><td class="align_center">29 mH</td></tr><tr><td class="align_left">SM capacitance</td><td class="align_center">4.7 mF</td></tr><tr><td class="align_left">Sampling frequency</td><td class="align_center">5 kHz</td></tr><tr><td class="align_left">Voltage sensor, LEM LV 25-P</td><td class="align_center">Up to 500 V</td></tr><tr><td class="align_left">Current sensor, LEM LA 55-P</td><td class="align_center">Up to 50 A</td></tr><tr><td class="align_left">Load resistance</td><td class="align_center">10 Ω</td></tr><tr><td class="align_left">Load inductance</td><td class="align_center">29 mH</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Experimental circuit parameters of the MMC system.</div>

International Transactions on Electrical Energy Systems

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Table 3

Table 3: A Novel Nearest Level Modulation Method with Increased Output Voltage Quality for Modular Multilevel Converter Topology 