Steady-state analysis of dual converter with circulating current used in four-quadrant DC magnet power supplies

Kim, J.M.S.; Dewan, S.B.

doi:10.1109/apec.1991.146240

Cited by 2 publications

(2 citation statements)

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“….I 4 The step response of the closed-loop output voltage regulator designed for the prototype system is simulated for each delay time considered for the Nyquist plot, and the results are shown in Fig. 12. As the time delay is increased by decreasing n, the overshoot in the output voltage transient increases and the capacitor current shows increased oscillation.…”

Section: Stability Analysis and Critical Time Delay Of Closed-loop Vomentioning

confidence: 99%

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Closed-loop voltage regulation of dual converters with circulating-current mode used in four-quadrant DC magnet power supplies

Kim¹,

Dewan²

Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting

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The dual converter with circulating current mode can be used to meet the high-power requirement of the fourquadrant dc magnet power supplies. The dual converter has been used mostly in dc drive systems without the circulating current. In this paper, the closed-loop output voltage regulation is presented for the dual converter with circulating current mode, used in the application of four-quadrant dc magnet power supplies. The closed-loop control is designed to improve the dynamic response of the dual converter and to provide the required regulation. The stability analysis of the closed-loop system is presented for the effect of time delay associated with the sample-and-delay nature of the dual converter gating.

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Section: Stability Analysis and Critical Time Delay Of Closed-loop Vomentioning

confidence: 99%

“…90KH 2935-5/90/~1031$01.00@1990 IEEE The steady-state operation of the dual converter in the power supply configuration, is analyzed extensively in[4].…”

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confidence: 99%