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Power Electronics Abstract_A Modified High-Efficiency LLC Converter with Two Transformers for Wide Input-Voltage Range Applications
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Power Electronics Abstract_A Modified High-Efficiency LLC Converter with Two Transformers for Wide Input-Voltage Range Applications

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  • 1. www.coretronix.org A Modified High-Efficiency LLC Converter with Two Transformers for Wide Input-Voltage Range Applications Abstract This paper proposed a modified LLC converter with two transformers in series, which has four operation configurations, covering the range of four times the minimum input voltage. To optimize the proposed LLC converter in an attempt to achieve good efficiency, a numerical method is developed based on the LLC converter’s steady-state equations. In order to minimize the magnetizing current and thus minimize the conduction and core losses, an optimal objective is proposed to find the maximum magnetizing inductance. Two conventional LLC converters are designed using fundamental harmonic approximation and the proposed optimal design, respectively, to make comparison with the proposed LLC converter and validate the proposed optimal design. Speak to: +91-9940798943 Write to: coretronixprojects@gmail.com www.facebook.com/coretronix www.slideshare.net/coretronix
  • 2. www.coretronix.org MATLAB – Simulation Results Speak to: +91-9940798943 Write to: coretronixprojects@gmail.com www.facebook.com/coretronix www.slideshare.net/coretronix
  • 3. www.coretronix.org Speak to: +91-9940798943 Write to: coretronixprojects@gmail.com www.facebook.com/coretronix www.slideshare.net/coretronix