Journal
IEEE TRANSACTIONS ON POWER ELECTRONICS
Volume 33, Issue 2, Pages 936-942Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2017.2726110
Keywords
DC-link voltage; disturbance rejection; enhanced state observer; robustness; voltage control
Categories
Funding
- TROY Project
- Salicru S.A., Santa Maria de Palautordera, Spain
- Microgrid Research Programme, Department of Energy Technology, Aalborg University, Denmark
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To regulate the dc-link voltage of three-phase ac/dc converters, an enhanced state observer-based controller is presented in this letter. The proposed controller, contrary to the traditional ones, does not require the dc-link current measurement and offers a plug and play capability, a rather high disturbance rejection ability and robustness against the dc-link capacitance parameter variation. The design procedure of the suggested controller is discussed, and its effectiveness is verified using experimental results.
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