On wind power integration into electrical power system: Spain vs. Denmark

Abstract

The concept of power quality monitoring is related with the detection of voltage events in the mains network. The characterization of these voltage events results from standards that define several limits for their amplitudes, duration and maximum number of occurrences within a time period. In the last three decades, the loads connected to the mains network suffered great changes. The number of electronic and sensitive equipment increased considerably, and the old concepts of monitoring are not representative for these loads. This paper presents a new concept of power quality monitoring, related with the susceptibility of sensitive loads. The authors identify the sensitive loads connected to the mains network and develop a study of their susceptibility to voltage perturbations in the mains network. Seven voltage events are defined and a Power Quality Monitor prototype is presented.