Journal
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
Volume 65, Issue 4, Pages 3157-3164Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2017.2756581
Keywords
Fractional-order circuit; fractional-order derivative; high-power fractional-order capacitor (FOC); power converter
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Funding
- National Natural Science Foundation of China [51437005]
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A fractional-order capacitor (FOC) plays a vital role in fractional-order circuits. However, the FOC with order 1 < alpha < 2 based on existing manufacturing schemes can be only operated in milliwatt power level. Thus, the applications of an FOC in power conversion are limited. To solve the problem, this paper proposes a novel method for realizing a high-power FOC with order 1 < alpha < 2, in which a power converter is applied to emulate the current-voltage characteristic of an ideal FOC, so the rated power of the FOC can be increased greatly and depended on the power converter. The corresponding topology and its control strategy are provided. The available experiments verify the effectiveness of the proposed approach.
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