TY - GEN
T1 - A Symmetrical Architecture for PV String Using LLC-based Voltage Multiplier by Differential Power Processing Technique
AU - Wang, Xue
AU - Wen, Huiqing
AU - Zhu, Yinxiao
AU - Chu, Guanying
AU - Du, Rui
N1 - Publisher Copyright:
© 2022 IEEE.
PY - 2022
Y1 - 2022
N2 - To resolve the mismatching issues in photovoltaic (PV), different differential power processing (DPP) architectures have been presented. A novel DPP architecture is presented in this paper with a simple circuit and open-loop control. The proposed DPP converter shows symmetry and flexibility by utilizing the Cochvroft & Walton Circuit, where the PV string can be connected per side of the voltage multiplier (MV). The LLC inverter requires no feedback loop, which simplifies the circuit. Experimental results for the PV module with four submodules show that overall PV module output power and efficiency are both improved significantly under shading conditions. Furthermore, this proposed DPP converter has great advantages in cost-saving, especially in extended-long PV string.
AB - To resolve the mismatching issues in photovoltaic (PV), different differential power processing (DPP) architectures have been presented. A novel DPP architecture is presented in this paper with a simple circuit and open-loop control. The proposed DPP converter shows symmetry and flexibility by utilizing the Cochvroft & Walton Circuit, where the PV string can be connected per side of the voltage multiplier (MV). The LLC inverter requires no feedback loop, which simplifies the circuit. Experimental results for the PV module with four submodules show that overall PV module output power and efficiency are both improved significantly under shading conditions. Furthermore, this proposed DPP converter has great advantages in cost-saving, especially in extended-long PV string.
KW - differential power processing (DPP)
KW - LLC
KW - mismatch
KW - Photovoltaic (PV)
KW - voltage multiplier
UR - http://www.scopus.com/inward/record.url?scp=85144077709&partnerID=8YFLogxK
U2 - 10.1109/ECCE50734.2022.9947413
DO - 10.1109/ECCE50734.2022.9947413
M3 - Conference Proceeding
AN - SCOPUS:85144077709
T3 - 2022 IEEE Energy Conversion Congress and Exposition, ECCE 2022
BT - 2022 IEEE Energy Conversion Congress and Exposition, ECCE 2022
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2022 IEEE Energy Conversion Congress and Exposition, ECCE 2022
Y2 - 9 October 2022 through 13 October 2022
ER -
