Line Ampacity Calculation Analysis

Line Ampacity

Line Ampacity Calculation

ETAP Overhead Transmission Line Ampacity calculation module calculates the current-temperature characteristics for the overhead lines. The modeling and analysis method is based on IEEE Standard 738, “IEEE Standard for Calculating the Current-Temperature Relationship of Bare Overhead Conductors.”

Line Ampacity Calculation Analysis Key Features

  • Study conductor ampacity vs. temperature characteristics
  • Comply with IEEE 738 Standard
  • Determine maximum transmission & distribution line operating temperature under various loading conditions
  • Calculate transmission and distribution line derated ampacity based on temperature limit
  • Consider effects and adjustments due to weather, solar heat, & geographical location effects
Line Ampacity Calculation



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