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