New Zero-Current-Transition (ZCT) Circuit Cell Without Additional Current Stress

C. E. Kim; E. S. Choi; G. W. Moon

New Zero-Current-Transition (ZCT) Circuit Cell Without Additional Current Stress

C. E. Kim

E. S. Choi

G. W. Moon

Vol. 3, No. 4, pp. 215-223, Oct. 2003

10.6113/JPE.2003.3.4.215

zero-current-transition (ZCT)

Zero-current-switching (ZCS)

Zero-voltage-switching (ZVS)

power-factor- correction (PFC)

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Abstract

In this paper, a new zero-current-transition (ZCT) circuit cell is proposed. The main switch is turned-off under the zero current and zero voltage condition, and there is no additional current stress and voltage stress in the main switch and the main diode, respectively. The auxiliary switch is turned-off under the zero voltage condition, and the main diode is turned-on under the zero voltage condition. The resonant current required to obtain the ZCT condition is relatively small and regenerated to the input voltage source. The operational principles of a boost converter integrated with the proposed ZCT circuit cell are analyzed and verified by the simulation and experimental results.

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Cite this article

[IEEE Style]

C. E. Kim, E. S. Choi, G. W. Moon, "New Zero-Current-Transition (ZCT) Circuit Cell Without Additional Current Stress," Journal of Power Electronics, vol. 3, no. 4, pp. 215-223, 2003. DOI: 10.6113/JPE.2003.3.4.215.

[ACM Style]

C. E. Kim, E. S. Choi, and G. W. Moon. 2003. New Zero-Current-Transition (ZCT) Circuit Cell Without Additional Current Stress. Journal of Power Electronics, 3, 4, (2003), 215-223. DOI: 10.6113/JPE.2003.3.4.215.