NDLI: New topology of a switched-capacitor-based multilevel inverter with a single DC power supply

Content Provider	IET Digital Library
Author	Taheri, Asghar Samsami, Hosein
Abstract	The utilisation and importance of multilevel inverters, as one of the key component of new electrical systems, are ever-increasing. As a result, many works and evolutions have been carried out, which lead to improvements of topologies and control strategies. Newly introduced topologies can generate output voltage with maximum level number, minimum switching components and power supplies. This study introduces a multilevel inverter with minimum number of DC power supply and optimum number of semiconductors based on the switched-capacitor method. One of the best features of the proposed topology is its voltage generation with boost capability without any need for H-bridge. Moreover, the proposed topology has modular extension capability in order to increase the number of output levels. The comparison between the proposed converter and some previous topologies shows that it has better conditions with respect to the used semiconductor count, switches and capacitors losses. The operation and performance of the proposed multilevel converter have been ascertained through simulations and verified experimentally for a single-phase 17-level inverter. All results are illustrated to show the proposed converter's ability in smooth sinusoidal output voltage generation with boosting the input voltage without any transformer.
Starting Page	1571
Ending Page	1584
Page Count	14
ISSN	17554535
Volume Number	12
e-ISSN	17554543
Issue Number	Issue 6, May (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/12/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2018.5087
Journal	IET Power Electronics
Publisher Date	2019-02-20
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Boost Capability Capacitor Loss Electrical System Input Voltage Invertors Maximum Level Number Minimum Switching Component Modular Extension Capability Multilevel Converter Other Power Apparatus And Electric Machine Power Capacitor Power Converter Power Electronics Power Supplies Power Supplies to Apparatus Power Supply Semiconductor Count Single DC Power Supply Single-phase 17-level Inverter Smooth Sinusoidal Output Voltage Generation Supervisory Circuit Switched-capacitor Method Switched-capacitor-based Multilevel Inverter Switches Loss Switching Converter
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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