Operation of a medium-voltage drive under faulty conditions 8.14

J. Rodríguez, J. Pontt, R. Musalem, P. Hammond

Resultado de la investigación: Contribución a los tipos de informe/libroContribución a la conferencia

1 Cita (Scopus)

Resumen

This paper presents a method for operating cascaded multilevel inverters when one or more power cells are damaged. The method is based on the use of additional switches in the power circuit to bypass the faulty cell. To control the cells, the angle of phase shifting in the carrier signals is modified according to the number of operating cells, to minimize the load voltage distortion, when the inverter operates in failure mode. The reference signals of the PWM modulators are also modified to increase the output voltage. Simulation and experimental results show the effectiveness of this method, which significantly increases the reliability of the drive.

Idioma originalInglés
Título de la publicación alojadaConference Proceedings - IPEMC 2004
EditoresZ. Wang
Páginas799-803
Número de páginas5
Volumen2
EstadoPublicada - 2004
EventoConference Proceedings - IPEMC 2004: 4th International Power Electronics and Motion Control Conference - Xi'an, China
Duración: 14 ago 200416 ago 2004

Otros

OtrosConference Proceedings - IPEMC 2004: 4th International Power Electronics and Motion Control Conference
PaísChina
CiudadXi'an
Período14/08/0416/08/04

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    Rodríguez, J., Pontt, J., Musalem, R., & Hammond, P. (2004). Operation of a medium-voltage drive under faulty conditions 8.14. En Z. Wang (Ed.), Conference Proceedings - IPEMC 2004 (Vol. 2, pp. 799-803)