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Dynamic control strategy for bi-directional DC/DC converters to suppress the dc-link voltage fluctuation in motor driver systems by Wan Feng; Wenjuan Zhang; Shoudao Huang; Haixia Zhang; Mengdi Li is a Engineering article available to read on EtoBox.
What is Dynamic control strategy for bi-directional DC/DC converters to suppress the dc-link voltage fluctuation in motor driver systems about?
This paper presents an improved dc-link voltage control strategy for bi-directional DC/DC converter to reduce the fluctuation of dc-link voltage. The bi-directional DC/DC converter is the top widely-adopted topology for machine drives. However, a wild dc-link voltage fluctuation may cause the overvoltage accident if the load is suddenly altered. Therefore, a novel energy-balanced dc-link voltage control scheme is presented. Through the analysis of the instantaneous energy balance of the whole system, this paper draws a conclusion that the energy stored in the dc-link capacitor will fluctuate in the dynamic process. Then, when the output power changes, the influence of the proposed control strategy on the dc-link voltage fluctuation is analyzed. Moreover, some deadbeat predictive control method has been applied within the current inner loop to improve systematically dynamic response ability. As the energy consumption can be compensated, the fluctuation of dc-link voltage is constrained in sudden load change. Small-signal model has been presented to analyze dynamic performances. As a result, experimental outcomes verify that above method is equipped with superior dc-link voltage fluc
Who reads Dynamic control strategy for bi-directional DC/DC converters to suppress the dc-link voltage fluctuation in motor driver systems?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Wan Feng; Wenjuan Zhang; Shoudao Huang; Haixia Zhang; Mengdi Li
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Engineering (Physical Sciences)