TY - GEN
T1 - A novel sinusoidal boost-flyback CCM/DCM DC-DC converter
AU - Chen, Shih Ming
AU - Wang, Chen Yu
AU - Liang, Tsorng Juu
PY - 2014
Y1 - 2014
N2 - This paper proposed a novel and simple sinusoidal boost-flyback continuous conduction mode (CCM) converter. This converter continuously produces half-sinusoidal voltage to a line frequency DC-AC inverter. This simple boost-flyback structure utilizes a coupled inductor to achieve a wider voltage gain range. The leakage inductance energy of the coupled inductor can be recycled to reduce the voltage stress and power losses. Consequently, the low-voltage rating and low-conduction resistance switch can be selected to reduce conduction losses and improve system efficiency. The magnetizing inductance of the coupled inductor is operated under CCM, and thus, the harmonic content of the output current is reduced. Finally, a 300 W prototype was implemented for feasibility verification. The maximum efficiency is 97.2%, and the full load efficiency is 96.2%. To verify its AC performance, the proposed converter has connected to a full bridge DC-AC inverter to simulate a micro inverter system with the highest efficiency of 96% and 94.5%under full load condition. The output current total harmonic distortion is 1.3%.
AB - This paper proposed a novel and simple sinusoidal boost-flyback continuous conduction mode (CCM) converter. This converter continuously produces half-sinusoidal voltage to a line frequency DC-AC inverter. This simple boost-flyback structure utilizes a coupled inductor to achieve a wider voltage gain range. The leakage inductance energy of the coupled inductor can be recycled to reduce the voltage stress and power losses. Consequently, the low-voltage rating and low-conduction resistance switch can be selected to reduce conduction losses and improve system efficiency. The magnetizing inductance of the coupled inductor is operated under CCM, and thus, the harmonic content of the output current is reduced. Finally, a 300 W prototype was implemented for feasibility verification. The maximum efficiency is 97.2%, and the full load efficiency is 96.2%. To verify its AC performance, the proposed converter has connected to a full bridge DC-AC inverter to simulate a micro inverter system with the highest efficiency of 96% and 94.5%under full load condition. The output current total harmonic distortion is 1.3%.
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U2 - 10.1109/APEC.2014.6803815
DO - 10.1109/APEC.2014.6803815
M3 - Conference contribution
AN - SCOPUS:84900443855
SN - 9781479923250
T3 - Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC
SP - 3512
EP - 3516
BT - APEC 2014 - 29th Annual IEEE Applied Power Electronics Conference and Exposition
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 29th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2014
Y2 - 16 March 2014 through 20 March 2014
ER -