Resonances and overvoltages in a medium-voltage fan motor drive with long cables in an underground mine

José Rodríguez, Jorge Pontt, César Silva, Rodrigo Musalem, Patricio Newman, René Vargas, Sergio Fuentes

Resultado de la investigación: Article

43 Citas (Scopus)

Resumen

Underground mining is characterized by space constraints forcing the use of long cables to feed large machines, where the application of variable speed drives can generate overvoltages at the machine terminals. This paper presents the analysis and mitigation of harmful overvoltages detected in inverter-fed 1400-hp 13.8-kV motors used for air ventilation in an underground mine. The possible causes of the overvoltages, namely wave reflection and resonance, are described theoretically and simulated. On-site direct voltage measurements at the 13.8-kV motor terminals confirmed that resonance was the dominant phenomenon. Based on this study, a suitable low-pass filter was designed, constructed, and installed. Finally, the adequate operation of such filter is demonstrated by further on-site measurements.

Idioma originalEnglish
Páginas (desde-hasta)856-863
Número de páginas8
PublicaciónIEEE Transactions on Industry Applications
Volumen42
N.º3
DOI
EstadoPublished - 1 may 2006

Huella dactilar

Fans
Cables
Variable speed drives
Voltage measurement
Low pass filters
Electric potential
Ventilation
Air

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Citar esto

Rodríguez, José ; Pontt, Jorge ; Silva, César ; Musalem, Rodrigo ; Newman, Patricio ; Vargas, René ; Fuentes, Sergio. / Resonances and overvoltages in a medium-voltage fan motor drive with long cables in an underground mine. En: IEEE Transactions on Industry Applications. 2006 ; Vol. 42, N.º 3. pp. 856-863.
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abstract = "Underground mining is characterized by space constraints forcing the use of long cables to feed large machines, where the application of variable speed drives can generate overvoltages at the machine terminals. This paper presents the analysis and mitigation of harmful overvoltages detected in inverter-fed 1400-hp 13.8-kV motors used for air ventilation in an underground mine. The possible causes of the overvoltages, namely wave reflection and resonance, are described theoretically and simulated. On-site direct voltage measurements at the 13.8-kV motor terminals confirmed that resonance was the dominant phenomenon. Based on this study, a suitable low-pass filter was designed, constructed, and installed. Finally, the adequate operation of such filter is demonstrated by further on-site measurements.",
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Resonances and overvoltages in a medium-voltage fan motor drive with long cables in an underground mine. / Rodríguez, José; Pontt, Jorge; Silva, César; Musalem, Rodrigo; Newman, Patricio; Vargas, René; Fuentes, Sergio.

En: IEEE Transactions on Industry Applications, Vol. 42, N.º 3, 01.05.2006, p. 856-863.

Resultado de la investigación: Article

TY - JOUR

T1 - Resonances and overvoltages in a medium-voltage fan motor drive with long cables in an underground mine

AU - Rodríguez, José

AU - Pontt, Jorge

AU - Silva, César

AU - Musalem, Rodrigo

AU - Newman, Patricio

AU - Vargas, René

AU - Fuentes, Sergio

PY - 2006/5/1

Y1 - 2006/5/1

N2 - Underground mining is characterized by space constraints forcing the use of long cables to feed large machines, where the application of variable speed drives can generate overvoltages at the machine terminals. This paper presents the analysis and mitigation of harmful overvoltages detected in inverter-fed 1400-hp 13.8-kV motors used for air ventilation in an underground mine. The possible causes of the overvoltages, namely wave reflection and resonance, are described theoretically and simulated. On-site direct voltage measurements at the 13.8-kV motor terminals confirmed that resonance was the dominant phenomenon. Based on this study, a suitable low-pass filter was designed, constructed, and installed. Finally, the adequate operation of such filter is demonstrated by further on-site measurements.

AB - Underground mining is characterized by space constraints forcing the use of long cables to feed large machines, where the application of variable speed drives can generate overvoltages at the machine terminals. This paper presents the analysis and mitigation of harmful overvoltages detected in inverter-fed 1400-hp 13.8-kV motors used for air ventilation in an underground mine. The possible causes of the overvoltages, namely wave reflection and resonance, are described theoretically and simulated. On-site direct voltage measurements at the 13.8-kV motor terminals confirmed that resonance was the dominant phenomenon. Based on this study, a suitable low-pass filter was designed, constructed, and installed. Finally, the adequate operation of such filter is demonstrated by further on-site measurements.

KW - Converter machine interaction

KW - Drives

KW - Long motor leads

KW - Overvoltages

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