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Cited by 165 publications
(41 citation statements)
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“…Finally, the winding loss can be calculated as (14) For the control winding loss, based on (13), the equivalent dc resistance R dc_control can be calculated. Then, the control winding loss can be expressed as (15) where I DC is the DC bias current for the variable inductor.…”
Section: ) Variable Resonant Inductor Lossmentioning
confidence: 99%
See 1 more Smart Citation
“…Finally, the winding loss can be calculated as (14) For the control winding loss, based on (13), the equivalent dc resistance R dc_control can be calculated. Then, the control winding loss can be expressed as (15) where I DC is the DC bias current for the variable inductor.…”
Section: ) Variable Resonant Inductor Lossmentioning
confidence: 99%
“…In order to further narrow the switching frequency operation range, some topologies based on the modifications of LLC resonant converter structure are proposed [15], [16]. In [15], a topology, which integrates half-bridge LLC resonant converter and full-bridge LLC resonant converter, is proposed. The proposed topology adopts pulse width modulation (PWM) to achieve the fixed switching frequency operation of the LLC resonant converter.…”
Section: Introductionmentioning
confidence: 99%
“…A few improving methods use similar idea of switching between full bridge and half bridge, but make the mode switching inside each switching period [47]. Consequently, the equivalent input square wave voltage can be smoothly changed by controlling the conduction time of half bridge mode and full bridge mode (three level mode).…”
Section: B Wide Input Voltage Range Applicationmentioning
confidence: 99%
“…Instead of the conventional half-bridge or full-bridge structure, a variable frequency multiplier is applied to the LLC resonant tank to extend the voltage gain range while maintaining high efficiencies [32]. In [33], the primary-side full-bridge inverter is replaced by a dual-bridge inverter; thus, a multi-level ac voltage can be applied to the resonant tank, and a twofold voltage gain range can be achieved; however, the primary-side switches have high turn-off currents, and may suffer from high off-switching losses when operating in high step-up applications (e.g., PV microinverters). By combining a boost converter with an LLC resonant converter, two current-fed LLC resonant converters are proposed in [34], [35].…”
Section: Introductionmentioning
confidence: 99%