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Overview on transient overvoltages and insulation design for a high voltage transmission system

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2 Author(s)
Sones, W. ; T&D Tech. Services, Entergy Services Inc., Jackson, MS, USA ; Sze Mei Wong

This paper presents a high level overview of overvoltages and insulation performance and offers a brief overview of insulator technology and development. Frequent lightning and switching, an ageing system, and contaminated insulators are some of the factors that impact transmission line performance and reliability. A lightning case study is included in this paper with results to illustrate the importance of insulation coordination to ensure the reliable operation of Entergy's transmission system.

Published in:

High Voltage Engineering and Application (ICHVE), 2010 International Conference on

Date of Conference:

11-14 Oct. 2010