A Novel Single-Stage Boost Single-Phase Inverter and Its Composite Control Strategy to Suppress Low-Frequency Input Ripples

Yong Wei, Zhenying Jiang, Tao Lv, Xiaohan Tong, Benxu Jiang and Kun Qian ()
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Yong Wei: School of Physics and Electronic Science, Hunan Institute of Science and Technology, Yueyang 414006, China
Zhenying Jiang: Fujian Key Laboratory of New Energy Generation and Power Conversion, Fuzhou University, Fuzhou 350116, China
Tao Lv: Fujian Key Laboratory of New Energy Generation and Power Conversion, Fuzhou University, Fuzhou 350116, China
Xiaohan Tong: Fujian Key Laboratory of New Energy Generation and Power Conversion, Fuzhou University, Fuzhou 350116, China
Benxu Jiang: School of Physics and Electronic Science, Hunan Institute of Science and Technology, Yueyang 414006, China
Kun Qian: School of Physics and Electronic Science, Hunan Institute of Science and Technology, Yueyang 414006, China

Energies, 2024, vol. 17, issue 17, 1-19

Abstract: Low-frequency pulsating ripples exist on the input side of a single-phase inverter, which bring some adverse effects and harm to the inverter and photovoltaic power generation system. In order to suppress the low-frequency pulsating ripple and reduce the filter circuit parameters, a novel single-stage boost single-phase inverter is proposed, which can suppress low-frequency ripple. And a three-closed-loop compound control strategy that can suppress input low-frequency ripples under the limitation of an energy storage inductor current and buffer capacitor voltage is proposed. The circuit topology, control strategy, key circuit parameters design, system modeling, and simulation of the inverters are deeply analyzed and studied. Simulation and experimental results show that the inverter has a good ability to suppress input low-frequency ripples.

Keywords: low-frequency ripple suppression; power decoupling; single-phase inverter; single-stage booster type (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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