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Comparative evaluations of phase-shifted PWM resonant inverter-fed DC-DC converter with high-voltage high-frequency transformer link

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3 Author(s)
Yong Ju Kim ; Graduate Sch. of Sci. & Technol., Kobe Univ., Japan ; Hatakeyama, H. ; Nakaoka, M.

The main purpose of this study is to describe individual particular characteristic features and inherent benefits of series, parallel and series tank inverter-fed DC-DC power converters for medical-use X-ray high-voltage power generators from various practical application viewpoints, along with a specially-designed high-voltage transformer and its dynamic circuit modeling considering reactive and iron and copper loss resistances. The effective method to make advantages of the harmful parasitic resonant circuit parameters existing in the high-voltage high-frequency transformer which are used in three typical resonant tank circuit topologies and their output voltage performances in steady-state and dynamic-states are discussed with respect to dynamic system performances. The dynamic and steady-state characteristics of these resonant power converters are evaluated on the basis of some computer-aided simulation results under the conditions of wide allowable load range used as the actual X-ray high-voltage DC power generator

Published in:

Power Electronics and Drive Systems, 1995., Proceedings of 1995 International Conference on

Date of Conference:

21-24 Feb 1995