NDLI: Switched-capacitor multilevel inverter with self-voltage-balancing for high-frequency power distribution system

Content Provider	IET Digital Library
Author	Sathik, M. Jagabar Bhatnagar, Kaustubh Siwakoti, Yam P. Bassi, Hussain M. Rawa, Muhyaddin Sandeep, N. Yang, Yongheng Blaabjerg, Frede
Abstract	Switched capacitor multilevel inverter (SCMLI) with reduced components is attractive for higher number of voltage levels due to less implementation complexity and low cost. In this study, a new family of hybrid SCMLI for high frequency power distribution system is presented to eliminate the intermediate power conversion. Firstly, a five-level SCMLI employing a single voltage source is proposed, which is further extended to nine-level (9L) with its operation. Further extension/enhancement of the proposed 9L-SCMLI for generating a higher number of voltage levels with reduced number of components is achieved on the basis of structural modification. The mathematical analysis for determination of capacitance, power loss analysis and comparative analysis has been provided in detail. A comprehensive comparison with other similar topologies is also provided to highlight the merits of the proposed topology. Simulation and experimental results are discussed for various dynamic load conditions with different output frequencies to validate the suitability of the proposed SCMLI for various high-frequency AC applications, such as renewable energy systems, microgrids, electric vehicles and so on.
Starting Page	1807
Ending Page	1818
Page Count	12
ISSN	17554535
Volume Number	13
e-ISSN	17554543
Issue Number	Issue 9, Jul (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/13/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2019.1249
Journal	IET Power Electronics
Publisher Date	2020-03-10
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Capacitor Different Output Frequencies Distributed Power Generation Five-level SCMLI High Frequency Power Distribution System High-frequency AC Application High-frequency Power Distribution System Hybrid SCMLI Intermediate Power Conversion Invertors Mathematical Analysis Network Topology Other Power Apparatus And Electric Machine Power Capacitor Power Converter Power Electronics Power Loss Analysis Power Supplies to Apparatus Power Supply PWM Invertors Reduced Component Self-voltage-balancing Single Voltage Source Supervisory Circuit Switched Capacitor Integrator Switched Capacitor Multilevel Inverter Switching Converter Voltage Level
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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