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Eaton's CYMCAP power cable ampacity software offers a comprehensive set of powerful tools to assist cable engineers with projects requiring reliable cable thermal ampacity calculations.

CYMCAP builds on 30 years of development as the worldwide reference in cable thermal rating calculations.

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Overview Resources

Increase accuracy

Ensure accurate cable modeling based on construction details

Improve project design

Use what-if scenarios to maximize system efficiency and cost savings

Optimize power transfer

Identify optimal installation parameters and mitigate the risk of cable thermal damage

Core features

Full compliance with North American practice and IEC standards IEC 60287, IEC 60228 and IEC 60853
User-defined standard settings to adjust results based on a user-defined methodology as per strictly IEC, CIGRE or CYMCAP guidance
Cyclic loading simulations as per IEC-60853 or Neher-McGrath
Robust optimization algorithm that maximizes the power transfer for equally and unequally loaded circuits

Full detailed report (available in Excel) displaying intermediate calculations and specific equations for each cable in the installation
Independent libraries for cables, duct banks, load curves, heat sources and installations
All types of sheath bonding arrangements for flat and triangular formations with explicit modeling of minor section lengths, unequal cable spacing, transposition and more
Detailed losses calculations including effects produced by induced currents in metallic layers, eddy currents, insulation dielectric losses, magnetic losses, length of the lay, mutual interaction between circuits (optional), etc.
Electrical frequency can be assigned per circuit in the same thermal section—AC/DC cables supported within the same installation
Soil moisture migration (drying out) can be considered in underground installations

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Improve system reliability with accurate cable modeling calculations

Eaton's CYMCAP power cable ampacity software offers a detailed graphical representation of various power cables, including single-core, three-core, belted, pipe-type, submarine, sheathed, retrofitted and armored cables. The extended cable modeling capabilities include the following features:

Support for multiple custom non-metallic layers
Consideration of special cable construction layers as a jacket around each core, double armor, corrugated sheath, armor metallic tapes, flat armor wires and more
A dedicated cable library with real examples provided by cable manufacturers
Calculation of electric field strength for HVDC cables, which is commonly a key factor affecting ampacity

Confidently upgrade and design power cable installations

The power cable ampacity software supports different installation conditions, including direct burial, thermal backfill, underground ducts and duct banks. Users can emulate various soil conditions based on depth with environment templates. The software's installation capabilities include:

Modeling of groups of cables in air as per IEC 60287, cables in riser poles and non-isothermal earth surface of shallow cables
Consideration of mutual heating effects produced by multiple heat sources and heat sinks and magnetic losses produced in metallic magnetic ducts
Estimation of soil temperature around cables and hot sources with customizable isothermal curves
Accurate modeling of metallic and non-metallic ducts filled with air, water, or solid materials and multiple cables per phase with sheath mutual inductances

Get accurate transient and emergency calculations

Gain a deeper understanding of the thermal behavior of circuits exposed to specific demand profiles and advanced transient thermal analysis for multiple circuits in different modes and loading conditions.

Import loading conditions from Excel files for circuits and heat sources and associate each circuit with a specific load profile
Define temperature constraints for multiple cable components simultaneously, such as conductor, sheath, armor and/or exterior

Obtain a meaningful graphical representation of the cable's behavior for a selected variable of interest:

Temperature of main cable components as a function of the time given a user-defined demand
Ampacity given described emergency times and required maximum temperature
Estimated time to reach maximum temperatures in emergency conditions

Software modules

Name: Power cable ampacity software
Brand: Eaton
Price: CONTACT_FOR_PRICE
Availability: InStock

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Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere. We are guided by our commitment to do business right, to operate sustainably and to help our customers manage power ─ today and well into the future. By capitalizing on the global growth trends of electrification and digitalization, we’re accelerating the planet’s transition to renewable energy and helping to solve the world’s most urgent power management challenges.

Power cable ampacity software

Core features

Full features list

Improve system reliability with accurate cable modeling calculations

Confidently upgrade and design power cable installations

Get accurate transient and emergency calculations

Software modules

Additional installation modules

Additional analysis modules

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