Course Outline



An abbreviated outline for this course is given below:

Day 1
•Introduction, basic ampacity principles
•Differences, similarities between distribution and transmission cables
•Accepted calculation procedures and available computer programs
•Cable components and materials •Allowable temperatures: conductor, earth
•Cable electrical resistances, effect of daily, weekly, monthly load shape
•Dielectric losses •Cable thermal resistances
•Effects of cable installation conditions

Day 2
•Soils: overview, classification, testing
•Soil thermal resistivity
•Factors affecting resistivity
•Thermal resistivity measurement
•Thermal resistivity test equipment
•Thermal resistivity test method
•Thermal diffusivity
•Thermal stability
•Effect of soil moisture
•Effect of soil compaction
•Corrective thermal backfills

Day 3
•Corrective thermal backfills
•Quality control
•Elements of thermal route survey
•Special situations: submarine, directional drilling
•Operating effects of multiple distribution circuits
•Thermal monitoring
•Calculation procedures for 2- and 3-component soils
•Worked ampacity example
•Uprating, forced-cooling
•Transient and emergency ratings
•Mix your own fluidized thermal backfill
•Hands-on thermal property measurements

Arrangements This course will be held at: TO BE ANNOUNCED

A block of rooms has been reserved at the hotel at the special rate of $89.00, which will be honored for several days before and after the course. Reservations must be made by September ........ to obtain this low rate. Please mention the PDC Ampacity Course when you make reservations.

The hotel is: TO BE ANNOUNCED

Enrollment is limited to 20 persons. Please mail the registration form promptly, to ensure your place in the course. Participants This course is intended for T&D engineers and field personnel concerned with planning cable systems, calculating ampacity, performing soil thermal analysis, and insuring field quality control. Experience in ampacity calculations is not necessary.

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