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quadrature-axis transient open-circuit time constant [1 record]

Record 1 2014-12-10

English

Subject field(s)
  • Measurements of Electricity
  • Electric Rotary Machines
DEF

The time required, following a sudden change in operating conditions, for the slowly changing component of the open-circuit armature winding voltage which is due to quadrature-axis flux, to decrease to 1/e, that is 0.368 of its initial value, the machine running at rated speed.

OBS

quadrature-axis transient open-circuit time constant: term and definition standardized by the International Electrotechnical Commission (IEC) in 1996.

French

Domaine(s)
  • Mesures de grandeurs électriques
  • Machines tournantes électriques
DEF

Temps nécessaire pour qu'à la suite d'une variation brusque des conditions de fonctionnement, la composante à amortissement lent de la tension de l'induit à circuit ouvert, due au flux transversal, décroisse jusqu'à 1/e, c'est-à-dire 0,368 fois sa valeur initiale la machine tournant à sa vitesse assignée.

OBS

constante de temps transitoire transversale à circuit ouvert : terme et définition normalisés par la Commission électrotechnique internationale (CEI) en 1996.

Spanish

Campo(s) temático(s)
  • Medida de la electricidad
  • Máquinas rotativas eléctricas
DEF

Tiempo necesario para que la componente de amortiguamiento lento de la tensión del inducido en circuito abierto, debida al flujo transversal, decrezca hasta 1/e, es decir, 368 veces su valor inicial, a continuación de una variación brusca de las condiciones de funcionamiento, girando la máquina a su velocidad nominal.

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