TY - GEN
T1 - Study of AC-DC converters with isolated transformers applied to high frequency AC-DC power conversion
AU - Xue, X. D.
AU - Mei, J.
AU - Raghu, Raman S.
AU - Liu, J. F.
AU - Cheng, K. W.E.
N1 - Publisher Copyright:
© 2015 IEEE.
PY - 2016/2/3
Y1 - 2016/2/3
N2 - At high frequency, such as 50 kHz, the behaviors of isolated transformers and diodes in rectifiers are considerably different from ones at low frequency, such as 50 Hz. The analysis and the experiment in this paper show that it suffers from poor power factor and low power output if conventional AC-DC converters with isolated transformer are directly applied to high frequency AC-DC power conversion. Thus, three topologies of AC-DC converters applied to high frequency AC-DC power conversion are proposed, studied and evaluated, to convert 50kHz/36V AC voltage to DC voltage of 12 V. The analysis and experimental results show that the AC-DC converters with an isolated transformer, a resonant capacitor and a class-E rectifier and with an isolated transformer, a resonant capacitor and a full-bridge rectifier are suitable for 50 kHz AC-DC power conversion. Therefore, this study provides the valuable and reasonable solutions to high frequency AC-DC power conversion.
AB - At high frequency, such as 50 kHz, the behaviors of isolated transformers and diodes in rectifiers are considerably different from ones at low frequency, such as 50 Hz. The analysis and the experiment in this paper show that it suffers from poor power factor and low power output if conventional AC-DC converters with isolated transformer are directly applied to high frequency AC-DC power conversion. Thus, three topologies of AC-DC converters applied to high frequency AC-DC power conversion are proposed, studied and evaluated, to convert 50kHz/36V AC voltage to DC voltage of 12 V. The analysis and experimental results show that the AC-DC converters with an isolated transformer, a resonant capacitor and a class-E rectifier and with an isolated transformer, a resonant capacitor and a full-bridge rectifier are suitable for 50 kHz AC-DC power conversion. Therefore, this study provides the valuable and reasonable solutions to high frequency AC-DC power conversion.
KW - Converter
KW - high frequency
KW - rectifier
KW - transformer
UR - http://www.scopus.com/inward/record.url?scp=84963967740&partnerID=8YFLogxK
U2 - 10.1109/PESA.2015.7398924
DO - 10.1109/PESA.2015.7398924
M3 - Conference article published in proceeding or book
AN - SCOPUS:84963967740
T3 - 2015 6th International Conference on Power Electronics Systems and Applications: Electric Transportation - Automotive, Vessel and Aircraft, PESA 2015
BT - 2015 6th International Conference on Power Electronics Systems and Applications
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 6th International Conference on Power Electronics Systems and Applications, PESA 2015
Y2 - 15 December 2015 through 17 December 2015
ER -