TY - GEN
T1 - A Six-Switch AC-AC Voltage Regulator with Totem-Pole PFC
AU - Yin, Zewu
AU - Zhu, Xiangou
AU - Xie, Wenhao
AU - Dai, Yuxing
AU - Al-Haddad, Kamal
N1 - Publisher Copyright:
© Beijing Paike Culture Commu. Co., Ltd. 2026.
PY - 2026
Y1 - 2026
N2 - This paper proposes a high-efficiency AC-AC voltage regulator with totem-pole power factor correction (PFC). Compared to conventional two-stage AC-AC converters, the proposed scheme achieves AC input to DC voltage and then to AC output conversion through a single-stage power conversion architecture, significantly reducing the number of power switching devices. Whereas conventional solutions typically require eight switching devices (four for the PFC stage and four for the inverter stage), this design utilizes the bidirectional switching characteristics of totem-pole PFC combined with high-frequency modulation strategies, accomplishing both high power factor correction and AC output regulation with only six switching devices. This approach eliminates intermediate redundant switching components. Experimental results demonstrate that the converter achieves unity power factor (PF > 0.99) and low input current harmonic distortion (THD < 5%) while maintaining a stable 220 VRMS AC output from a 90–276 VRMS AC input, with a 400 V DC bus voltage. The proposed topology exhibits higher system efficiency and lower hardware costs, making it suitable for applications such as renewable energy grid interfaces.
AB - This paper proposes a high-efficiency AC-AC voltage regulator with totem-pole power factor correction (PFC). Compared to conventional two-stage AC-AC converters, the proposed scheme achieves AC input to DC voltage and then to AC output conversion through a single-stage power conversion architecture, significantly reducing the number of power switching devices. Whereas conventional solutions typically require eight switching devices (four for the PFC stage and four for the inverter stage), this design utilizes the bidirectional switching characteristics of totem-pole PFC combined with high-frequency modulation strategies, accomplishing both high power factor correction and AC output regulation with only six switching devices. This approach eliminates intermediate redundant switching components. Experimental results demonstrate that the converter achieves unity power factor (PF > 0.99) and low input current harmonic distortion (THD < 5%) while maintaining a stable 220 VRMS AC output from a 90–276 VRMS AC input, with a 400 V DC bus voltage. The proposed topology exhibits higher system efficiency and lower hardware costs, making it suitable for applications such as renewable energy grid interfaces.
KW - AC-AC Converter
KW - Power Factor Correction (PFC)
KW - Single-stage Power Conversion
KW - Switching-device Reduction
KW - Totem-pole PFC
UR - https://www.scopus.com/pages/publications/105041987830
U2 - 10.1007/978-981-95-9674-4_10
DO - 10.1007/978-981-95-9674-4_10
M3 - Contribution to conference proceedings
AN - SCOPUS:105041987830
SN - 9789819596737
T3 - Lecture Notes in Electrical Engineering
SP - 87
EP - 94
BT - The Proceedings of 2025 International Conference of Electrical, Electronic and Networked Energy Systems - Volume 5
A2 - Huang, Ying
A2 - Liu, Zhigang
A2 - Wang, Ying
A2 - Zha, Junwei
A2 - Zang, Yiming
A2 - Rong, Cancan
PB - Springer Science and Business Media Deutschland GmbH
T2 - International Conference of Electrical, Electronic and Networked Energy Systems, EENES 2025
Y2 - 31 October 2025 through 2 November 2025
ER -