Survey and Analysis of the Impact of Voltage Sag and Short-term Interruption on Power Users in a Region of Southern China

Abstract

In order to gain a deeper understanding of the impact of voltage sag in major power users in a region of southern China, the local power supply department led the survey of the impact of voltage sag on many major power users in the region. In order to ensure that the surveyed users have a good representativeness, the selection of surveyed users takes into account factors such as geographical, industry and historical complaints. Through the analysis of the survey information, two sensitive users who were seriously affected by the voltage sag were obtained. As a whole, the present situation that power users are affected by voltage sag has been mastered.