On the Relation between Mains-Side Current THD and DC Link Voltage Loop Gain in Grid-Connected Unity Power Factor Operating Converters
Keyword(s):
<p>It is well-known that attainable DC link voltage loop bandwidth in grid-connected converters operating with unity power factor is limited due to trade-off with AC-side current total harmonic distortion (THD). The letter reveals that THD requirement directly imposes the value of voltage loop gain magnitude at double-grid frequency; therefore the dynamic performance may be improved without deteriorating the grid-side current quality by modifying the controller structure such that the loop gain magnitude at double-grid frequency and the crossover frequency are decoupled. Experimental results validate the revealed findings.</p>
2021 ◽
Keyword(s):
2018 ◽
Vol 7
(2.19)
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pp. 90
2014 ◽
Vol 577
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pp. 368-371
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2004 ◽
Vol 13
(03)
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pp. 557-576
2019 ◽
Vol 8
(2S2)
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pp. 41-46
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2011 ◽
Vol 12
(3)
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2014 ◽
Vol 571-572
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pp. 1000-1005