Zero-voltage-zero-current switching in high-output-voltage full-bridge PWM converters using the interwinding capacitance

1999 ◽  
Vol 14 (2) ◽  
pp. 343-349 ◽  
Author(s):  
D. Garabandic ◽  
W.G. Dunford ◽  
M. Edmunds
Keyword(s):  
Output Voltage ◽  
Pwm Converters ◽  
Current Switching ◽  
Zero Current Switching ◽  
Zero Current ◽  
High Output Voltage ◽  
Zero Voltage ◽  
High Output

scholarly journals A family of improved ZVT PWM converters using an auxiliary resonant source

2003 ◽  
Vol 14 (4) ◽  
pp. 412-421 ◽  
Author(s):  
M. L. Martins ◽  
H. Pinheiro ◽  
J. R. Pinheiro ◽  
H. A. Gründling ◽  
H. L. Hey
Keyword(s):  
Resonant Circuit ◽  
Zero Voltage Switching ◽  
Full Load ◽  
Pwm Converters ◽  
Current Switching ◽  
Zero Current Switching ◽  
Zero Current ◽  
Zero Voltage ◽  
Additional Current ◽  
Voltage Switching

This paper presents a novel family of Zero Voltage Transition (ZVT) DC-DC PWM Converters that uses a resonant circuit as auxiliary commutation source to control the current through the auxiliary switch without additional current stresses on main devices. The improved ZVT commutation cell enables the main switch to be turned on and off at Zero Voltage Switching (ZVS) and the auxiliary switch to be turned on and off at Zero Current Switching (ZCS) from zero to full-load.

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