Title :
High power and high switching frequency DC-to-DC converter using saturable inductor commutation and switched snubber
Author :
Harada, Koosuke ; Sakamoto, Hiroshi
Author_Institution :
Dept. of Electron. Kyushu Univ., Fukuoka, Japan
Abstract :
A novel method for high-power and high-frequency switching using the combined circuit of a switched snubber and a saturable inductor commutation is presented. Zero-voltage switching is realized and switching surges due to the parasitic inductance and the parasitic capacitance are decisively suppressed without increasing the conduction loss and switch stress. Using the technique of zero-voltage switching, a 1 kW DC-to-DC converter is obtained with 97% efficiency at the switching frequency of 300 kHz
Keywords :
commutation; overvoltage protection; power convertors; 1 kW; 300 kHz; 97 percent; DC-to-DC converter; HF switching; parasitic capacitance; parasitic inductance; saturable inductor commutation; switched snubber; switching surges; zero voltage switching; DC-DC power converters; Inductance; Inductors; Snubbers; Surges; Switches; Switching circuits; Switching converters; Switching frequency; Zero voltage switching;
Conference_Titel :
Power Electronics Specialists Conference, 1991. PESC '91 Record., 22nd Annual IEEE
Conference_Location :
Cambridge, MA
Print_ISBN :
0-7803-0090-4
DOI :
10.1109/PESC.1991.162668
