Grid-Tied Hybrid AC-DC Microgrid: Finding Optimal Number of Parallel-Connected AC-DC Bidirectional Interfacing Converters

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Current (A)</td><td class="align_center">S (VA)</td><td class="align_center">Cost ($)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">50</td><td class="align_center">33000</td><td class="align_center">1800</td></tr><tr><td class="align_left">75</td><td class="align_center">49500</td><td class="align_center">2400</td></tr><tr><td class="align_left">100</td><td class="align_center">66000</td><td class="align_center">2800</td></tr><tr><td class="align_left">150</td><td class="align_center">99000</td><td class="align_center">3900</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div>The total investment cost of the interfacing converters is calculated as follows:<br/></div></td></tr></table>

<div>Buying costs of active power filters.</div>

International Transactions on Electrical Energy Systems

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Table 2

Table 2: Grid-Tied Hybrid AC-DC Microgrid: Finding Optimal Number of Parallel-Connected AC-DC Bidirectional Interfacing Converters 