Training Centre - High Voltage Courses - Cable Diagnostics Training
Cable Diagnostics Training Course     2 day Course
DAY 1: Introduction to Cable Diagnostics

Contents

1. Introduction
2. Background
3. Water Trees and Electrical Trees

3.1

Water Trees
3.2 Electrical Trees
3.3 Comparison between Water and Electrical Trees
4. Dielectric Breakdown
5. What Wave form to use
    
 
5.1 DC or AC Voltage
5.2 The use of 0.1Hz
    
6.

Diagnostic Methods

    
 

6.1

Tan Delta
6.2 Partial Discharge
6.3 DC Leakage Current (PILC Cables)
6.4 DC Sheath Testing
6.5 Joint PD Discharge
6.6 Termination PD Discharge
    
7. Cable Test and Test Systems
8. Advantages & Disadvantages of various Diagnostic & Over Voltage Test Sets
    
 
8.1 0.1Hz Sinusoidal Diagnostic & Over Voltage Test Sets
8.2 0.1Hz Square, Cosinus or Trapezoid Wave Forms
8.3 Oscillating Wave
8.4 50Hz Sinusoidal
8.5 Relaxation & Recovery Method
8.6 DC Testing
    
9.

Impregnated Paper Cables - PILC Cables

    
 
9.1 Tan Delta Diagnostic Testing
9.2 Partial Discharge in PILC Cables
    
10.

XLPE Cables

    
 
10.1 Tan Delta Diagnostic Testing
10.2 Partial Discharge in XLPE Cables
    
11.

Summarizing the Diagnostic Testing of MV Cables

    
 
11.1 PILC Cables (at 0.1Hz)
11.2 XLPE Cables (at 0.1Hz)
Day 2: Practical Cable Diagnostics

Contents

1. Pratical Demonstration
2. Each trainee will complete a workshop with the course instructor
3. Theoretical Test
4. Practical Assessment