Hybrid modulation method combining variable frequency and double phase‐shift for a 10 kW LLC resonant converter

2018 ◽  
Vol 11 (13) ◽  
pp. 2161-2169 ◽  
Author(s):  
Zhizhong Li ◽  
Tianwen Wu ◽  
Guidong Zhang ◽  
Ru Yang
Keyword(s):  
Phase Shift ◽  
Modulation Method ◽  
Variable Frequency ◽  
Resonant Converter ◽  
Hybrid Modulation ◽  
Double Phase ◽  
Llc Resonant Converter

scholarly journals Closed loop analysis of Dual Bridge Converter with 4- levels

2021 ◽  
Vol 9 (8) ◽  
pp. 1994-1996
Author(s):  
Hitesh Indurthy
Keyword(s):  
Phase Shift ◽  
Closed Loop ◽  
Low Voltage ◽  
Boost Converter ◽  
Resonant Converter ◽  
Loop Analysis ◽  
Modes Of Operation ◽  
Proposed Model ◽  
Llc Resonant Converter

Abstract: A dual bridge (DB) LLC resonant converter for dc-dc conversion with closed loop is proposed in the system. The model is capable of delivering very low voltage, with a variable input dc fluctuations in the source side. The new PWM technique used helps the bridge output robust. The proposed model works only in 4 modes of operation. DB LLC converter uses different phase shift for each individual switches with different duty ratios. The model is simulated with 160V/200V DC input and 24V output with 20A i.e. 480W is provided to verify the operation. Keywords: Dual Bridge, LLC resonant converter, Closed loop operation, Boost converter.

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