Thermal Characterization of Electrical Wires and Insulation Operated in Variable Frequency Mode

NFPA 70 provides guidelines on conducting wire size rating for different service current ratings. Additionally, an engineering calculation method is provided for unusual cases. While not apparent, these guidelines are valid only for 60 Hz type frequencies. Electrical conductors have increased Joule...

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Veröffentlicht in:	Fire technology 2015-09, Vol.51 (5), p.1071-1092
Hauptverfasser:	Cardenas, Dorindo E., Ezekoye, Ofodike A.
Format:	Artikel
Sprache:	eng
Schlagworte:	A C motors Alternating current Characterization and Evaluation of Materials Circuits Civil Engineering Classical Mechanics Computer engineering Cooling Decomposition Electric currents Electric power generation Electrical codes Electrical equipment Electrical installations Engineering Fire protection Fires Frequencies Guidelines Heat transfer Insulation Mathematical models Physics Ratings Technology adoption Thermal cycling Variables Wire
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