Abstract
The paper deals with analysis of operation of a soft switching PWM DC-DC full-bridge converter with new energy recovery turn-off snubber on secondary side of high frequency power transformer.Principal equations are derived for individual operation states. On the basis of them the diagrams are made out. The diagrams give complex image on the converter behaviour during whole period of operation at nominal load. Theoretical waveforms are compared with simulation results.
Highlights
DC-DC converter is the main and most important part of voltage or current switching power supplies
Full bridge pulse-width modulated (PWM) DC-DC converters have been often used in high power high frequency applications because they have several advantages over resonant converters [1]–[17]
Clamps and auxiliary circuits are often added on secondary side to ensure soft switching of the main switches and suppression of converter circulating currents [4]-[10]
Summary
DC-DC converter is the main and most important part of voltage or current switching power supplies. Clamps and auxiliary circuits are often added on secondary side to ensure soft switching of the main switches and suppression of converter circulating currents [4]-[10]. The features of these configurations are quite well known and widely described in many papers. The energy stored in the leakage inductance of the power transformer is transferred to the load
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