Journal
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS
Volume 69, Issue 11, Pages 4702-4713Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCSI.2022.3191905
Keywords
Voltage control; Frequency control; DC-DC power converters; Frequency conversion; Frequency-domain analysis; Matrix converters; Symmetric matrices; Low frequency analysis; current-mode control; overshoot suppression; DC-DC converter; asymmetric saturation
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Funding
- National Natural Science Foundation of China [61933014, 62173243, 51977142]
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This paper proposes a novel low frequency current-mode control strategy to improve overshoot suppression performance for boost converter against load current and source voltage disturbances. The proposed strategy presents a cascade dual-loop structure and delivers excellent disturbance suppression and reference current tracking capabilities.
The DC-DC converter severs as one of the crucial components in DC microgrid applications. In this paper, a novel low frequency current-mode control strategy is proposed to improve overshoot suppression performance for the boost converter against load current and source voltage disturbances. The control strategy is presented as a cascade dual-loop structure composed of a dynamic current-loop controller with asymmetric saturation and a PI form voltage-loop controller. With the low frequency information of disturbances, the designed dynamic current-loop controller delivers not only promising disturbance suppression but also superior reference current tracking. Simulation and experiment results are provided to illustrate the superiority of the proposed strategy on overshoot suppression.
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