TY - GEN
T1 - A bridgeless buck AC-DC converter for piezoelectric energy harvesting
AU - Kizu, Yuta
AU - Okano, Kunihisa
AU - Koizumi, Hirotaka
PY - 2016/12/21
Y1 - 2016/12/21
N2 - This paper proposes a bridgeless buck AC-DC converter for piezoelectric energy harvesting. A conventional circuit for this purpose consists of a full-bridge rectifier and a buck converter. The proposed circuit has the same functions as the conventional one and achieves better efficiency. In the circuit, the internal capacitance of the piezoelectric element and inductors used for the step-down operation form a resonant circuit, which plays a central role for reducing energy losses. Our experimental results show that the maximum output power of the proposed circuit is about 1.5 times higher than that of the conventional one.
AB - This paper proposes a bridgeless buck AC-DC converter for piezoelectric energy harvesting. A conventional circuit for this purpose consists of a full-bridge rectifier and a buck converter. The proposed circuit has the same functions as the conventional one and achieves better efficiency. In the circuit, the internal capacitance of the piezoelectric element and inductors used for the step-down operation form a resonant circuit, which plays a central role for reducing energy losses. Our experimental results show that the maximum output power of the proposed circuit is about 1.5 times higher than that of the conventional one.
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U2 - 10.1109/IECON.2016.7793292
DO - 10.1109/IECON.2016.7793292
M3 - Conference contribution
AN - SCOPUS:85010051340
T3 - IECON Proceedings (Industrial Electronics Conference)
SP - 1196
EP - 1201
BT - Proceedings of the IECON 2016 - 42nd Annual Conference of the Industrial Electronics Society
PB - IEEE Computer Society
T2 - 42nd Conference of the Industrial Electronics Society, IECON 2016
Y2 - 24 October 2016 through 27 October 2016
ER -