TY - GEN
T1 - Optimal Asymmetric Duty Modulation to Minimize Inductor Peak-to-Peak Current for a Dual Active Bridge Converter over a Wide Voltage Range
AU - Mou, Di
AU - Luo, Quanming
AU - Li, Jia
AU - Wang, Zhiqing
AU - Wei, Yuqi
AU - Huang, Jian
N1 - Publisher Copyright:
© 2020 IEEE.
PY - 2020/10/11
Y1 - 2020/10/11
N2 - Conventionally, the phase-shift modulation (PSM) scheme is the simplest modulation scheme for a dual active bridge (DAB) converter, which only needs to control one variable to realize bidirectional power flow. However, when the input or output voltage of the converter varies widely, a large amount of reactive power is generated and the zero-voltage switching (ZVS) operation cannot be realized, which ultimately results in low efficiency. Asymmetric duty modulation (ADM), as a recently proposed modulation scheme, provides new chances to improve the performance of the DAB converter. On this basis, an optimal asymmetric duty modulation (OADM) scheme is proposed in this paper by minimizing the inductor peak-to-peak current over the whole voltage and power range. Finally, an experimental prototype was built to validate the efficiency improvement of the converter by the proposed OADM scheme.
AB - Conventionally, the phase-shift modulation (PSM) scheme is the simplest modulation scheme for a dual active bridge (DAB) converter, which only needs to control one variable to realize bidirectional power flow. However, when the input or output voltage of the converter varies widely, a large amount of reactive power is generated and the zero-voltage switching (ZVS) operation cannot be realized, which ultimately results in low efficiency. Asymmetric duty modulation (ADM), as a recently proposed modulation scheme, provides new chances to improve the performance of the DAB converter. On this basis, an optimal asymmetric duty modulation (OADM) scheme is proposed in this paper by minimizing the inductor peak-to-peak current over the whole voltage and power range. Finally, an experimental prototype was built to validate the efficiency improvement of the converter by the proposed OADM scheme.
KW - Asymmetric duty modulation
KW - dual active bridge
KW - peak-to-peak current
UR - https://www.scopus.com/pages/publications/85097164157
U2 - 10.1109/ECCE44975.2020.9235464
DO - 10.1109/ECCE44975.2020.9235464
M3 - 会议稿件
AN - SCOPUS:85097164157
T3 - ECCE 2020 - IEEE Energy Conversion Congress and Exposition
SP - 3210
EP - 3214
BT - ECCE 2020 - IEEE Energy Conversion Congress and Exposition
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 12th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2020
Y2 - 11 October 2020 through 15 October 2020
ER -