Paper
29 November 2021 Midpoint common mode injection power decoupling circuit
Yonggao Zhang, Yue Fan, Peng Liu
Author Affiliations +
Proceedings Volume 12080, 4th International Symposium on Power Electronics and Control Engineering (ISPECE 2021); 1208022 (2021) https://doi.org/10.1117/12.2620003
Event: 4th International Symposium on Power Electronics and Control Engineering (ISPECE 2021), 2021, Nanchang, China
Abstract
Single-phase inverters have a wide range of applications in many fields, but there are inherent double frequency problems, and double frequency fluctuations can easily cause system instability. This paper proposes a mid-point common-mode injection power decoupling circuit. The advantage of this topology is that there are no additional switching devices and only the original DC side support capacitors and filter capacitors of the H-bridge inverter can be used to buffer the double frequency power. Simulation and experimental results prove that the method can effectively suppress the secondary ripple on the DC side.
© (2021) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yonggao Zhang, Yue Fan, and Peng Liu "Midpoint common mode injection power decoupling circuit", Proc. SPIE 12080, 4th International Symposium on Power Electronics and Control Engineering (ISPECE 2021), 1208022 (29 November 2021); https://doi.org/10.1117/12.2620003
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KEYWORDS
Capacitors

Switching

Bridges

Switches

Digital filtering

Capacitance

Control systems

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