Study on Topology and Control Strategy of High-Precision and Wide-Range Hybrid Converter for Photovoltaic Cell Simulator

Jianfei Zhao, Minqi Hua, Tingzhang Liu and Tao Yu
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Jianfei Zhao: School of Mechatronic Engineering and Automation, Shanghai University, Baoshan District, Shanghai 200444, China
Minqi Hua: School of Mechatronic Engineering and Automation, Shanghai University, Baoshan District, Shanghai 200444, China
Tingzhang Liu: School of Mechatronic Engineering and Automation, Shanghai University, Baoshan District, Shanghai 200444, China
Tao Yu: School of Mechatronic Engineering and Automation, Shanghai University, Baoshan District, Shanghai 200444, China

Energies, 2018, vol. 12, issue 1, 1-19

Abstract: Aiming at the function and technical requirements of high-power photovoltaic cell simulation, high-performance programmable logic power supply and dc motor simulation, a high frequency isolation hybrid topology and control strategy based on current-source/voltage-source converter was studied and proposed. Firstly, according to the performance requirements of photovoltaic cell analog power supply, the control strategy requirements of the high-precision wide-range hybrid topology were proposed. Secondly, the working principle of the new hybrid topology was analyzed. At the same time, the equivalent model of the new hybrid topology was simplified and established, and the overall control strategy of the hybrid topology based on current compensation and sliding mode variable structure was proposed. Finally, simulation and experimental research on the hybrid topology was carried out, and the experimental test of photovoltaic cell simulation was completed. The simulation and experimental results show that the hybrid topology and control strategy proposed in this paper has the characteristics of wide-range output regulation, fast dynamic response, high efficiency and high power factor, and can be used for high performance photovoltaic cell simulation, programmable logic power supply and DC motor simulation.

Keywords: current source converter; voltage source converter; hybrid converter topology; sliding mode control; space vector control (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: 2018
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