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Benchmarking utilities for the impact of voltage sags on customers

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conference contribution
posted on 2024-11-13, 15:50 authored by H M Herath, Victor GosbellVictor Gosbell, Sarath PereraSarath Perera
Most utilities have increased their focus on voltage sags as the sags account for vast majority of recorded equipment trips. Although these events are not necessarily the most frequent, they have a tremendous economic impact on end-users. The process of benchmarking customer voltage sag levels generally requires voltage sag monitoring data for a period of minimum one year. This data can then be quantified to relate voltage sag performance with standardized limits for acceptable performance. This work suggests a methodology for benchmarking the impact of voltage sags on customers of different utilities by means of a three stage reporting procedure that covers a site, a network and a utility. This is followed by a simple method of defining a single sag index for a utility that deals with the average values across the utility which enable comparison of different utilities for their overall sag performance.

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Citation

This paper originally appeared as: Herath, HM, Gosbell, VJ and Perera, S, Benchmarking utilities for the impact of voltage sags on customers, 11th International Conference on Harmonics and Quality of Power, 12-15 September 2004, 425-429. Copyright IEEE 2004.

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1-5

Language

English

RIS ID

11072

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