Characterization of 4.5 kV-5.5 kA IGCTs within a medium voltage 3L-ANPC phase leg

Daniel Andler, Rodrigo Alvarez, Steffen Bernet, Jose Rodriguez

Resultado de la investigación: Conference contribution

2 Citas (Scopus)

Resumen

In 3L-ANPC VSCs the application of additional active switches inverse to the NPC diodes enable additional switching states and commutations. They are used to overcome one important disadvantage of the 3L-NPC VSC - the unequal distribution of semiconductor losses. With an accurate switching model (obtained directly from the measurements) it is possible to improve the junction temperature distribution among the power devices, increasing the output power and/or increasing the frequency and/or decreasing the derating of the converter. This paper presents the characterization of a 4.5 kV-5.5 kA IGCT within a 3L-ANPC phase leg. A quantitative analysis of the switching losses using 5SHY55L4500 IGCTs and D1961SH45T presspack diodes for a current range from 1 kA to 5 kA and junction temperatures between 25°C and 125°C is presented. The 3L-ANPC phase leg performs 32 different commutations. Each commutation exhibit slight differences in the switching losses as a result of asymmetries in the different commutation paths. The switching loss deviation is quantified and finally, a switching loss model is presented.

Idioma originalEnglish
Título de la publicación alojada2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012
Páginas451-458
Número de páginas8
DOI
EstadoPublished - 2012
Evento4th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2012 - Raleigh, NC, United States
Duración: 15 sep 201220 sep 2012

Other

Other4th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2012
PaísUnited States
CiudadRaleigh, NC
Período15/09/1220/09/12

Huella dactilar

Electric commutation
Electric potential
Diodes
Temperature distribution
Switches
Semiconductor materials
Chemical analysis
Temperature

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Fuel Technology

Citar esto

Andler, D., Alvarez, R., Bernet, S., & Rodriguez, J. (2012). Characterization of 4.5 kV-5.5 kA IGCTs within a medium voltage 3L-ANPC phase leg. En 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012 (pp. 451-458). [6342786] https://doi.org/10.1109/ECCE.2012.6342786
Andler, Daniel ; Alvarez, Rodrigo ; Bernet, Steffen ; Rodriguez, Jose. / Characterization of 4.5 kV-5.5 kA IGCTs within a medium voltage 3L-ANPC phase leg. 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012. 2012. pp. 451-458
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Andler, D, Alvarez, R, Bernet, S & Rodriguez, J 2012, Characterization of 4.5 kV-5.5 kA IGCTs within a medium voltage 3L-ANPC phase leg. En 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012., 6342786, pp. 451-458, 4th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2012, Raleigh, NC, United States, 15/09/12. https://doi.org/10.1109/ECCE.2012.6342786

Characterization of 4.5 kV-5.5 kA IGCTs within a medium voltage 3L-ANPC phase leg. / Andler, Daniel; Alvarez, Rodrigo; Bernet, Steffen; Rodriguez, Jose.

2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012. 2012. p. 451-458 6342786.

Resultado de la investigación: Conference contribution

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N2 - In 3L-ANPC VSCs the application of additional active switches inverse to the NPC diodes enable additional switching states and commutations. They are used to overcome one important disadvantage of the 3L-NPC VSC - the unequal distribution of semiconductor losses. With an accurate switching model (obtained directly from the measurements) it is possible to improve the junction temperature distribution among the power devices, increasing the output power and/or increasing the frequency and/or decreasing the derating of the converter. This paper presents the characterization of a 4.5 kV-5.5 kA IGCT within a 3L-ANPC phase leg. A quantitative analysis of the switching losses using 5SHY55L4500 IGCTs and D1961SH45T presspack diodes for a current range from 1 kA to 5 kA and junction temperatures between 25°C and 125°C is presented. The 3L-ANPC phase leg performs 32 different commutations. Each commutation exhibit slight differences in the switching losses as a result of asymmetries in the different commutation paths. The switching loss deviation is quantified and finally, a switching loss model is presented.

AB - In 3L-ANPC VSCs the application of additional active switches inverse to the NPC diodes enable additional switching states and commutations. They are used to overcome one important disadvantage of the 3L-NPC VSC - the unequal distribution of semiconductor losses. With an accurate switching model (obtained directly from the measurements) it is possible to improve the junction temperature distribution among the power devices, increasing the output power and/or increasing the frequency and/or decreasing the derating of the converter. This paper presents the characterization of a 4.5 kV-5.5 kA IGCT within a 3L-ANPC phase leg. A quantitative analysis of the switching losses using 5SHY55L4500 IGCTs and D1961SH45T presspack diodes for a current range from 1 kA to 5 kA and junction temperatures between 25°C and 125°C is presented. The 3L-ANPC phase leg performs 32 different commutations. Each commutation exhibit slight differences in the switching losses as a result of asymmetries in the different commutation paths. The switching loss deviation is quantified and finally, a switching loss model is presented.

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Andler D, Alvarez R, Bernet S, Rodriguez J. Characterization of 4.5 kV-5.5 kA IGCTs within a medium voltage 3L-ANPC phase leg. En 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012. 2012. p. 451-458. 6342786 https://doi.org/10.1109/ECCE.2012.6342786