Boost Voltage Single Phase Full Bridge Inverter with No Voltage Drop Based on Switched Capacitor

Hao Qiang, Zhenyu Wu, Tian Xu, Pengcheng Kong, Shuren Mao and Jianfeng Zheng
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Hao Qiang: School of Mechanical Engineering and Rail Transit, Changzhou University, Changzhou 213164, China
Zhenyu Wu: School of Mechanical Engineering and Rail Transit, Changzhou University, Changzhou 213164, China
Tian Xu: School of Mechanical Engineering and Rail Transit, Changzhou University, Changzhou 213164, China
Pengcheng Kong: School of Mechanical Engineering and Rail Transit, Changzhou University, Changzhou 213164, China
Shuren Mao: School of Mechanical Engineering and Rail Transit, Changzhou University, Changzhou 213164, China
Jianfeng Zheng: School of Mechanical Engineering and Rail Transit, Changzhou University, Changzhou 213164, China

Energies, 2021, vol. 14, issue 12, 1-18

Abstract: In this paper, a voltage-boost-type non-voltage drop single-phase full-bridge inverter connected to a switched-capacitor structure is proposed. The output voltage of the inverter is controlled by the pulse width modulation of a DSP to control the lead and break of the active switches. The full-bridge switches work at low frequency; the other switches work at high frequency. The inverter uses two capacitor modules to charge and discharge alternately so as to overcome the problem of voltage drop on the output side of the inverter in the transition stage from series capacitor discharge to parallel charge. By analyzing the charge–discharge characteristics of the RC charge–discharge circuit, the capacitor charge–discharge cycle can be adjusted to alter the output voltage within a certain range. The results from the physical construction verify the Simulation results achieved well, which demonstrates satisfactory performance that supports the verification of the above theory.

Keywords: switched capacitor; non-voltage drop; full-bridge inverter; charge and discharge alternately (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: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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