Analysis of power system performance under voltage sags

The aim of this work is to provide both utility and customer planning engin eers a methodology for aiding them to achieve compatibility between industr ial processes requirements and the quality of the electrical. supply, takin g into account the influence of voltage sag on the latter one. By applying this approach, new indices for both supply system and load buses can be dra wn. They can be used by end-users planning engineers to choose the best loc ation in the supply system, where new sensitive load consumers are to be co nnected. The paper also presents an example, based on a real case, which il lustrates the applicability of such a methodology. (C) 2000 Elsevier Scienc e S.A. All rights reserved.