A Novel Step-Up Single Source Multilevel Inverter: Topology, Operating Principle and Modulation

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A Novel Step-Up Single Source Multilevel Inverter : Topology, Operating Principle and Modulation. / Saeedian, Meysam; Adabi, M. Ebrahim; Hosseini, Seyyed Mehdi; Adabi, Jafar; Pouresmaeil, Edris.

In: IEEE Transactions on Power Electronics, Vol. 34, No. 4, 8387509, 01.04.2019, p. 3269-3282.

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@article{9302b0bd7a7e4bad9ac917fd5f115211,
title = "A Novel Step-Up Single Source Multilevel Inverter: Topology, Operating Principle and Modulation",
abstract = "This paper presents a novel step-up DC to AC converter with only one power supply. These types of converters are suitable for renewable and sustainable energy applications with low input DC sources. The proposed topology has the ability of self-voltage balancing and does not apply end side H-bridge to produce a bipolar staircase waveform. Consequently, switching losses and voltage stress of semiconductor components are reduced to a great extent. A small DC voltage source can be used to achieve a high voltage high quality AC waveform through switching the pre-charged capacitors in series and in parallel. Circuit configuration and its operation principle, capacitors’ charging process, thermal model, capacitances and losses calculations are discussed in details. Moreover, the comparison of the proposed circuit with the other single source multilevel converters shows that the proposed topology reduces the number of circuit elements. Finally, a laboratory9-level prototype is built to verify the theoretical analyses and feasibility of the proposed topology. The experimental results show that the converter efficiency at 1 KW output power is 92.75{\%}.",
keywords = "Capacitors, DC-AC power conversion, Efficiency, High-voltage techniques, Integrated circuit modeling, Inverters, Phase disposition pulse width modulation, Power supplies, Single source multilevel converter, Switched-capacitor technique, Switches, Topology, Voltage step-up",
author = "Meysam Saeedian and Adabi, {M. Ebrahim} and Hosseini, {Seyyed Mehdi} and Jafar Adabi and Edris Pouresmaeil",
year = "2019",
month = "4",
day = "1",
doi = "10.1109/TPEL.2018.2848359",
language = "English",
volume = "34",
pages = "3269--3282",
journal = "IEEE Transactions on Power Electronics",
issn = "0885-8993",
number = "4",

}

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TY - JOUR

T1 - A Novel Step-Up Single Source Multilevel Inverter

T2 - Topology, Operating Principle and Modulation

AU - Saeedian, Meysam

AU - Adabi, M. Ebrahim

AU - Hosseini, Seyyed Mehdi

AU - Adabi, Jafar

AU - Pouresmaeil, Edris

PY - 2019/4/1

Y1 - 2019/4/1

N2 - This paper presents a novel step-up DC to AC converter with only one power supply. These types of converters are suitable for renewable and sustainable energy applications with low input DC sources. The proposed topology has the ability of self-voltage balancing and does not apply end side H-bridge to produce a bipolar staircase waveform. Consequently, switching losses and voltage stress of semiconductor components are reduced to a great extent. A small DC voltage source can be used to achieve a high voltage high quality AC waveform through switching the pre-charged capacitors in series and in parallel. Circuit configuration and its operation principle, capacitors’ charging process, thermal model, capacitances and losses calculations are discussed in details. Moreover, the comparison of the proposed circuit with the other single source multilevel converters shows that the proposed topology reduces the number of circuit elements. Finally, a laboratory9-level prototype is built to verify the theoretical analyses and feasibility of the proposed topology. The experimental results show that the converter efficiency at 1 KW output power is 92.75%.

AB - This paper presents a novel step-up DC to AC converter with only one power supply. These types of converters are suitable for renewable and sustainable energy applications with low input DC sources. The proposed topology has the ability of self-voltage balancing and does not apply end side H-bridge to produce a bipolar staircase waveform. Consequently, switching losses and voltage stress of semiconductor components are reduced to a great extent. A small DC voltage source can be used to achieve a high voltage high quality AC waveform through switching the pre-charged capacitors in series and in parallel. Circuit configuration and its operation principle, capacitors’ charging process, thermal model, capacitances and losses calculations are discussed in details. Moreover, the comparison of the proposed circuit with the other single source multilevel converters shows that the proposed topology reduces the number of circuit elements. Finally, a laboratory9-level prototype is built to verify the theoretical analyses and feasibility of the proposed topology. The experimental results show that the converter efficiency at 1 KW output power is 92.75%.

KW - Capacitors

KW - DC-AC power conversion

KW - Efficiency

KW - High-voltage techniques

KW - Integrated circuit modeling

KW - Inverters

KW - Phase disposition pulse width modulation

KW - Power supplies

KW - Single source multilevel converter

KW - Switched-capacitor technique

KW - Switches

KW - Topology

KW - Voltage step-up

UR - http://www.scopus.com/inward/record.url?scp=85048618642&partnerID=8YFLogxK

U2 - 10.1109/TPEL.2018.2848359

DO - 10.1109/TPEL.2018.2848359

M3 - Article

VL - 34

SP - 3269

EP - 3282

JO - IEEE Transactions on Power Electronics

JF - IEEE Transactions on Power Electronics

SN - 0885-8993

IS - 4

M1 - 8387509

ER -

ID: 26986050