High Voltage Terminations - Instant Video
This 55-minute video covers basic theory and typical practices for terminating conductors in substations and switchyards. It explains the importance of minimizing voltage stress and of maintaining proper clearances in high-voltage terminations. Examples of commonly used connection hardware are shown, and their uses are explained. Examples of typical high-voltage terminations are given to illustrate the basic principles.
Cable Construction – 9 minutes
Describes how voltage stress can cause a cable to fail. Identifies the main components of a high-voltage cable. Describes the function of each component of a high-voltage cable.
Principles of Cable Termination – 7 minutes
Explains how a high-voltage termination provides voltage stress control. Explains how a high-voltage termination provides protection against tracking. Explains how a high-voltage termination provides a seal to the environment.
15 kV Class PILC Cable Preparation – 11 minutes
Identifies the components of a PILC cable. Describes and demonstrates how to prepare a three-conductor PILC cable for termination.
15 kV Class PILC Cable Termination – 12 minutes
Demonstrates how to build a stress cone on a three-conductor PILC cable. Demonstrates how to attach connector stems. Demonstrates how to install and assemble a pothead onto a cable. Demonstrates how to seal a three-conductor PILC cable termination.
69 kV Solid Dielectric Cable Preparation – 7 minutes
Identifies the components of a high-voltage solid dielectric cable. Demonstrates how to prepare a single-conductor solid dielectric cable for termination.
69 kV Solid Dielectric Cable Termination – 9 minutes
Demonstrates how to apply the tapes used to make a termination on a single-conductor 69 kV solid dielectric cable. Demonstrates how to install the insulator hoods and connector for a taped termination on a single-conductor 69 kV solid dielectric cable.