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This paper presents the analysis and design of an asymmetrical half-bridge forward converter with current doubler. This converter can minimize the switching power loss by realizing the zero-voltage-switching (ZVS) during the turn-on conditions. The principle of the converter operation is explained and analyzed. In order to achieve the ZVS conditions, the required interlock delay time between gate...
In this paper, phase-shift controlled full-bridge series resonant high frequency & voltage power is used for discharge plasma. It adds dynamic zero-voltage delay control scheme which can provide optimal turn-on delay timing regardless of input voltage, output load or component tolerances. When the expected zero voltage condition is reached, a switching transition is commanded to make converter...
In DC/DC power converters, as in many other applications with inverter circuits, the interlock delay time between IGBT switching on and off in the opposite inverter arms is used to avoid a short circuit in a DC link. It is suggested by several handbooks that 20% of the half period should be used. However, in some applications, e.g. power supplies with extended input voltage variations, much smaller...
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