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ケーブルの電流容量の計算とケーブルのサイジングは、NECが受け入れているNeher-McGrath法と定常温度計算のIEC 60287規格に基づいています。過渡温度の計算は、動的熱回路モデルに基づいています。これらの計算はすべて、多布設システムを扱うことができ、隣接するケーブルや外部の熱源から発生する熱の影響を考慮することができます。
Learn how to determine optimal cable sizes, physical attributes, and maximum ampacity using ETAP’s Underground Raceway System module, ensuring that cables in duct banks or directly buried are operating within their maximum potential capacity. In addition, transient temperature analysis computes temperature profiles for cable currents, reducing the risk of damage to cable systems under emergency conditions. All cable steady-state temperature calculations are based on the Neher-McGrath Method and the IEC 60287 Standard.
Learn how to save design time using the Raceway Rulebook to auto-layout cables within duct banks. Find out how to determine the optimal cable sizes, physical attributes, and maximum derated ampacity using Neher-McGrath method and IEC 287 standard.
Proper sizing and current derating ensures that cables operate to their maximum potential while providing secure and reliable operation. Learn about design and application requirements to properly size and analyze cable systems based on IEEE and North American cable standards and guidelines: IEEE 399, ICEA P-54-440, NEC NFPA 70
Proper sizing and current de-rating ensures that cables operate to their maximum potential while providing secure and reliable operation. This webinar covers cable sizing, current carrying capacity and electrical shock protection based on IEC and British standards.
This Cable Thermal Analysis webinar explains how to design cable systems to operate to their maximum potential while providing a secure and reliable operation
Underground Raceway Systems helps engineers to design cable systems to operate to their maximum potential while providing secure and reliable operation.
The magnetic field exposure analysis tool uses balanced & unbalanced load-flow currents and angles to determine the location of the worst-case magnetic field exposure due to conductors in underground raceways.
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