The Practical Application of High-Voltage Insulators

The course has been designed to enhance the understanding of design, manufacturing principles and pollution/aging processes for the range of insulators available in the market place today.

Coupled with handling, storage, installation, and inspection practices the course teaches the necessary skills to understand and resolve practical insulator problems.

Course Content

Basic insulation principles

Insulation flashover processes

Insulator failure mechanisms

Environmental factors

Site severity assessment

Electrical design aspects, including:

	insulator construction
	shed geometry
	insulator materials

Mechanical design aspects, including:

	analysis of applied forces
	tensile, cantilever and torsional loading
	time/load characteristics
	insulator testing
	field inspection techniques

Insulator maintenance techniques, including:

	washing
	greasing
	silicone rubber coatings
	profile modification
	insulator handling and storage

Case studies, line and substation insulation

The Course Presenters

Wallace Vosloo

Mr. Vosloo is Chief Consultant of TSI (Technology Services International), a division of Eskom Enterprises. He is a noted consultant in the field of high-voltage insulators. He won a best paper award at the International Symposium for High Voltage Engineering in Canada. He received the SAIEE President's award for his contribution in the field of high voltage insulator research. He won the Eskom Technology Groups research project of the year award for the Insulator Pollution Maintenance Guide. He has been a keynote presenter on high-voltage insulators at international conferences. He is currently working on a Ph.D. degree in the field of polymeric insulators.

Roy Macey

Mr. Macey has been involved in the study of the performance, maintenance, and design of high voltage insulators for the past 27 years. He established the first energized insulator test stations in South Africa. In 1980 he received an MSC (eng) degree for his thesis "The Performance of Outdoor High Voltage Insulation in Polluted Environments". A technical paper of the same title presented to the SAIEE received the SA Transport Services award. He has also received a Telemecanique Electrical Design award and a Shell Design award for his design of 22kV overhead line insulators. Roy is the South African representative on Cigre Study Committee 22 (overhead lines) and a member of Working Group 03 (Insulators).

Contact: Pollution@Levico.com