Abstract
Achieving high voltage levels is an important issue in the design of multi-level inverters (MLIs). In this paper, the basic unit of a new switched-capacitor (SC) topology is extended to achieve higher voltage levels with fewer components. The capacitors are charged from the single supply voltage directly by turning on appropriate switching states, which can generate a high-amplitude nearly sinusoidal output voltage. The operating principles, modulation strategy, method of determining capacitance, and power loss of the extended structure are presented in detail. Also, a comparative study with recent similar structures has been done. The extended SCMLI has the advantages of self-balancing the voltage of the capacitors, generating a bipolar output voltage, and satisfying the standard of harmonics (IEEE519). The experimental test and MATLAB simulation results of a 17-level prototype are given to verify the performance of the extended structure.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: AEU - International Journal of Electronics and Communications
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
