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INTERNATIONAL JOURNAL of RENEWABLE ENERGY RESEARCH K.Murata and F.Kurokawa
This paper presents a new synchronous rectification (SR) for phase shift modulation (PSM) LLC resonant converters. The SR for PSM LLC resonant converter has difficulty because the secondary current is not in phase with both primary current and the voltage across the transformer. Furthermore, the open-loop SR for phase shift modulation does not perform well because the optimum pulse width is highly dependent on operating conditions such as the duty ratio of primary switches and the load currentfatcat:xt4kzd7cejdzpivra5luyg32ay