Ampacity Management of Cables

Background on Cable Ampacity Calculations

• What are ampacity calculations?
• Why are they needed?
• Some history

Important Aspects of the Rating Calculations

• Influence of cable construction on its rating
• The effect of cable external environment
• The effect of other heat sources

Available Tools for Cable Rating Calculations

• Analytical methods
• Numerical methods
• Hybrid methods

Demonstration of Modern Computer Programs for Cable Rating Calculations

• A commercial computer program based on international standards
• Finite element program for complex cable arrangements

Rating of Cables in Unfavorable Thermal Environments and Cables in Deep Tunnels

• Cables crossing other cables and heat sources
• Cables crossing short unfavorable regions
• Cables in deep tunnels

Real-Time Ratings

• The principles of real-time rating calculations
• Input data requirements
• Verification of results​