Single-Phase Generalized Switched-Capacitor Multilevel Inverter Using Reduced Number of Power Semiconductor Components with Voltage Boosting Ability

This research paper proposes a new switched-capacitor topology for the multilevel inverter. The structure has two isolated DC power supplies and a capacitor. Since the topology uses only one capacitor, it eliminates the problem of voltage balancing across the capacitors. This structure produces 13-l...

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Bibliographic Details
Published in:Arabian journal for science and engineering (2011) Vol. 47; no. 3; pp. 2613 - 2627
Main Authors: Neti, Sukhdev Singh, Anand, Vishal, Singh, Varsha
Format: Journal Article
Language:English
Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.03.2022
Springer Nature B.V
Subjects:
Capacitors
Electric potential
Electric power supplies
Engineering
Humanities and Social Sciences
Inverters
multidisciplinary
Research Article-Electrical Engineering
Science
Scientific papers
Topology
Voltage
Waveforms
H-bridge
Voltage boosting
Switched-capacitor
Blocking voltage
Multilevel inverter
ISSN:2193-567X, 1319-8025, 2191-4281
Online Access:Get full text
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Summary:This research paper proposes a new switched-capacitor topology for the multilevel inverter. The structure has two isolated DC power supplies and a capacitor. Since the topology uses only one capacitor, it eliminates the problem of voltage balancing across the capacitors. This structure produces 13-level output voltage across the load terminals. The structure can be extended using derived generalized equations. A comparative analysis shows the number of components used with respect to other 13-level inverters existing in the literature. The power loss and efficiency of the topology are evaluated and experimentally verified. Moreover, the output voltage and current waveform for the topology is tested for pure resistive, inductive load, the impact of change in modulation index, and impact of the sudden change in load and is simulated and later verified experimentally using a dSPACE-1104 real-time controller.
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ISSN:2193-567X
1319-8025
2191-4281
DOI:10.1007/s13369-021-05701-9