Analytical exploration of conduction power losses for stacked multicell converters

Vahid Dargahi, Arash Khoshkbar-Sadigh, Keith Corzine

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The multilevel inverters are predominantly applied for medium/high-voltage high-power industrial applications. The stacked multicell (SM) converter is one of the promising derived-topologies from flying-capacitor-multicell (FCM) converter which has an increased performance. Discerning that conduction power loss exploration is a beneficial procedure in design phase of the multilevel inverter, this study suggests an analytical method for computation of the conduction power losses in SM converters. To achieve this, formulas are derived on the basis of SM converter modulation index, power factor, and load peak current for computation of rms and average currents flowing through power switches like as IGBT and freewheeling diode. The numerical results of the derived equations for computation of the rms and average currents flowing through IGBTs and freewheeling diodes are compared with simulation results. Numerical computations matched simulation results which validates the derived formulas. Then, proposed closed-form solutions for analytical computation of the rms and average currents are utilized to calculate the conduction power losses in a 12.4-MVA 3.3-kV 9-level (line-to-line) SM converter at a specific junction temperature. For this purpose, a 2.5-kV 1.5-kA IGBT module from ABB is considered as a power switch.

Original languageEnglish (US)
Title of host publication2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1054-1061
Number of pages8
ISBN (Electronic)9781509053667
DOIs
StatePublished - May 17 2017
Event32nd Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2017 - Tampa, United States
Duration: Mar 26 2017Mar 30 2017

Publication series

NameConference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC

Conference

Conference32nd Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2017
CountryUnited States
CityTampa
Period3/26/173/30/17

Fingerprint

Insulated gate bipolar transistors (IGBT)
Diodes
Switches
Industrial applications
Capacitors
Topology
Modulation
Electric potential
Temperature

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Dargahi, V., Khoshkbar-Sadigh, A., & Corzine, K. (2017). Analytical exploration of conduction power losses for stacked multicell converters. In 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017 (pp. 1054-1061). [7930826] (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/APEC.2017.7930826
Dargahi, Vahid ; Khoshkbar-Sadigh, Arash ; Corzine, Keith. / Analytical exploration of conduction power losses for stacked multicell converters. 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017. Institute of Electrical and Electronics Engineers Inc., 2017. pp. 1054-1061 (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).
@inproceedings{8aa0ef5c067d42a28abbdb6d8e763822,
title = "Analytical exploration of conduction power losses for stacked multicell converters",
abstract = "The multilevel inverters are predominantly applied for medium/high-voltage high-power industrial applications. The stacked multicell (SM) converter is one of the promising derived-topologies from flying-capacitor-multicell (FCM) converter which has an increased performance. Discerning that conduction power loss exploration is a beneficial procedure in design phase of the multilevel inverter, this study suggests an analytical method for computation of the conduction power losses in SM converters. To achieve this, formulas are derived on the basis of SM converter modulation index, power factor, and load peak current for computation of rms and average currents flowing through power switches like as IGBT and freewheeling diode. The numerical results of the derived equations for computation of the rms and average currents flowing through IGBTs and freewheeling diodes are compared with simulation results. Numerical computations matched simulation results which validates the derived formulas. Then, proposed closed-form solutions for analytical computation of the rms and average currents are utilized to calculate the conduction power losses in a 12.4-MVA 3.3-kV 9-level (line-to-line) SM converter at a specific junction temperature. For this purpose, a 2.5-kV 1.5-kA IGBT module from ABB is considered as a power switch.",
author = "Vahid Dargahi and Arash Khoshkbar-Sadigh and Keith Corzine",
year = "2017",
month = "5",
day = "17",
doi = "10.1109/APEC.2017.7930826",
language = "English (US)",
series = "Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "1054--1061",
booktitle = "2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017",
address = "United States",

}

Dargahi, V, Khoshkbar-Sadigh, A & Corzine, K 2017, Analytical exploration of conduction power losses for stacked multicell converters. in 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017., 7930826, Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC, Institute of Electrical and Electronics Engineers Inc., pp. 1054-1061, 32nd Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2017, Tampa, United States, 3/26/17. https://doi.org/10.1109/APEC.2017.7930826

Analytical exploration of conduction power losses for stacked multicell converters. / Dargahi, Vahid; Khoshkbar-Sadigh, Arash; Corzine, Keith.

2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017. Institute of Electrical and Electronics Engineers Inc., 2017. p. 1054-1061 7930826 (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

TY - GEN

T1 - Analytical exploration of conduction power losses for stacked multicell converters

AU - Dargahi, Vahid

AU - Khoshkbar-Sadigh, Arash

AU - Corzine, Keith

PY - 2017/5/17

Y1 - 2017/5/17

N2 - The multilevel inverters are predominantly applied for medium/high-voltage high-power industrial applications. The stacked multicell (SM) converter is one of the promising derived-topologies from flying-capacitor-multicell (FCM) converter which has an increased performance. Discerning that conduction power loss exploration is a beneficial procedure in design phase of the multilevel inverter, this study suggests an analytical method for computation of the conduction power losses in SM converters. To achieve this, formulas are derived on the basis of SM converter modulation index, power factor, and load peak current for computation of rms and average currents flowing through power switches like as IGBT and freewheeling diode. The numerical results of the derived equations for computation of the rms and average currents flowing through IGBTs and freewheeling diodes are compared with simulation results. Numerical computations matched simulation results which validates the derived formulas. Then, proposed closed-form solutions for analytical computation of the rms and average currents are utilized to calculate the conduction power losses in a 12.4-MVA 3.3-kV 9-level (line-to-line) SM converter at a specific junction temperature. For this purpose, a 2.5-kV 1.5-kA IGBT module from ABB is considered as a power switch.

AB - The multilevel inverters are predominantly applied for medium/high-voltage high-power industrial applications. The stacked multicell (SM) converter is one of the promising derived-topologies from flying-capacitor-multicell (FCM) converter which has an increased performance. Discerning that conduction power loss exploration is a beneficial procedure in design phase of the multilevel inverter, this study suggests an analytical method for computation of the conduction power losses in SM converters. To achieve this, formulas are derived on the basis of SM converter modulation index, power factor, and load peak current for computation of rms and average currents flowing through power switches like as IGBT and freewheeling diode. The numerical results of the derived equations for computation of the rms and average currents flowing through IGBTs and freewheeling diodes are compared with simulation results. Numerical computations matched simulation results which validates the derived formulas. Then, proposed closed-form solutions for analytical computation of the rms and average currents are utilized to calculate the conduction power losses in a 12.4-MVA 3.3-kV 9-level (line-to-line) SM converter at a specific junction temperature. For this purpose, a 2.5-kV 1.5-kA IGBT module from ABB is considered as a power switch.

UR - http://www.scopus.com/inward/record.url?scp=85019982176&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85019982176&partnerID=8YFLogxK

U2 - 10.1109/APEC.2017.7930826

DO - 10.1109/APEC.2017.7930826

M3 - Conference contribution

AN - SCOPUS:85019982176

T3 - Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC

SP - 1054

EP - 1061

BT - 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017

PB - Institute of Electrical and Electronics Engineers Inc.

ER -

Dargahi V, Khoshkbar-Sadigh A, Corzine K. Analytical exploration of conduction power losses for stacked multicell converters. In 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017. Institute of Electrical and Electronics Engineers Inc. 2017. p. 1054-1061. 7930826. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC). https://doi.org/10.1109/APEC.2017.7930826