Course Description:

This course covers the design, installation and protection of underground cables. It provides information about different types of cable usually used in electrical systems, the selection of underground cable rated voltage and size for various applications. It also covers installations (laying) and testing of cables before and after installation. Protection of cables and wires against over-currents is also covered.

Course Goal:

To enhance the delegate knowledge, skills, and abilities necessary to design, install and protect of underground cables

Course Objectives:

1. Present historical evolution of high voltage cables.
2. Be familiar with types of cables
3. Explain thermal characteristics of cables.
4. Select cable rated voltage for various applications.
5. Be familiar with current carrying capacity of cables.
6. Read tables for current rating.
7. Understand short circuit stresses in cables.
8. Calculate of voltage drop.
9. Be familiar with electrical data of cables.
10. Test of completed cables.
11. Protect cables and wiring against overcurrent

Course Outline:

1. Historical evolution of high voltage cables.
2. Types of cables.
3. Three core cables (complete analysis).
4. Breakdown in cables (sources).
5. Thermal characteristics of cables.
6. Special types of cables for extra high voltage ratings.
7. Selection of cable rated voltage for various applications.
8. Current carrying capacity of cables.
9. Guidelines for normal operations.
10. Tables for current rating.
11. Short circuit stresses in cables.
12. Calculation of voltage drop.
13. Economical cross sectional area.
14. Electrical data of cables.
15. Cable laying.
16. Testing of completed.
17. Protection of cables and wiring against overcurrent.

Who Can Benefit?

Electrical power engineers and highly qualified technicians working in the field of electrical power distribution and transmission.