Voltage-balancing strategies for diode-clamped multilevel converters

J. Pou; R. Pindado; D. Boroyevich; P. Rodríguez; J. Vicente

doi:10.1109/PESC.2004.1355180

Voltage-balancing strategies for diode-clamped multilevel converters

J. Pou, R. Pindado, D. Boroyevich, P. Rodríguez, J. Vicente

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

43 Citations (Scopus)

Abstract

This paper explores space-vector modulation strategies for diode-clamped multilevel converters. The analysis is focused on the voltage-balancing issue, since this is a very difficult task in high-order multilevel converters. Two strategies for selecting redundant vectors in the space-vector diagram are explained; both of them are based on minimizing a quadratic parameter related with voltage imbalance in the capacitors. Simulation results show similar behavior of the four-level converter for both modulation strategies. As expected, voltage balance cannot be achieved for some operating conditions that involve deep modulation indices and the existence of active currents. The limits in which the four-level converter cannot achieve charge balance by nearest-three-vector modulation are verified.

Original language	English
Title of host publication	2004 IEEE 35th Annual Power Electronics Specialists Conference, PESC04
Pages	3988-3993
Number of pages	6
DOIs	https://doi.org/10.1109/PESC.2004.1355180
Publication status	Published - 2004
Externally published	Yes
Event	2004 IEEE 35th Annual Power Electronics Specialists Conference, PESC04 - Aachen, Germany Duration: Jun 20 2004 → Jun 25 2004

Publication series

Name	PESC Record - IEEE Annual Power Electronics Specialists Conference
Volume	5
ISSN (Print)	0275-9306

Conference

Conference	2004 IEEE 35th Annual Power Electronics Specialists Conference, PESC04
Country/Territory	Germany
City	Aachen
Period	6/20/04 → 6/25/04

ASJC Scopus Subject Areas

Modelling and Simulation
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1109/PESC.2004.1355180

Cite this

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title = "Voltage-balancing strategies for diode-clamped multilevel converters",

abstract = "This paper explores space-vector modulation strategies for diode-clamped multilevel converters. The analysis is focused on the voltage-balancing issue, since this is a very difficult task in high-order multilevel converters. Two strategies for selecting redundant vectors in the space-vector diagram are explained; both of them are based on minimizing a quadratic parameter related with voltage imbalance in the capacitors. Simulation results show similar behavior of the four-level converter for both modulation strategies. As expected, voltage balance cannot be achieved for some operating conditions that involve deep modulation indices and the existence of active currents. The limits in which the four-level converter cannot achieve charge balance by nearest-three-vector modulation are verified.",

author = "J. Pou and R. Pindado and D. Boroyevich and P. Rodr{\'i}guez and J. Vicente",

year = "2004",

doi = "10.1109/PESC.2004.1355180",

language = "English",

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series = "PESC Record - IEEE Annual Power Electronics Specialists Conference",

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Pou, J, Pindado, R, Boroyevich, D, Rodríguez, P & Vicente, J 2004, Voltage-balancing strategies for diode-clamped multilevel converters. in 2004 IEEE 35th Annual Power Electronics Specialists Conference, PESC04. PESC Record - IEEE Annual Power Electronics Specialists Conference, vol. 5, pp. 3988-3993, 2004 IEEE 35th Annual Power Electronics Specialists Conference, PESC04, Aachen, Germany, 6/20/04. https://doi.org/10.1109/PESC.2004.1355180

Voltage-balancing strategies for diode-clamped multilevel converters. / Pou, J.; Pindado, R.; Boroyevich, D. et al.
2004 IEEE 35th Annual Power Electronics Specialists Conference, PESC04. 2004. p. 3988-3993 (PESC Record - IEEE Annual Power Electronics Specialists Conference; Vol. 5).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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Voltage-balancing strategies for diode-clamped multilevel converters

Abstract

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ASJC Scopus Subject Areas

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