EDP Distribuição experience in Power Quality permanent monitoring in Portugal

Abstract

This paper aims to give an overview of EDP Distribuição experience on Permanent Monitoring of Power Quality in Portugal. Over the last thirteen years, EDP Distribuição has been developing a Power Quality monitoring program in order to meet a variety of challenges faced by distribution system operators, concerning to Power Quality. Based on this context, in 2010, EDP Distribuição introduced a new modality of systematic Power Quality monitoring based on permanent monitoring of HV/MV substations. This paper presents the state-of-art of this modality, including the regulatory and the EDP Distribuição requirements, and the framing in the EDP Distribuição PQ monitoring platform. Finally, the advantages of permanent monitoring and its actual/future challenges, namely concerning the new regulatory requirements and recommendations, as well the use of all this data, are discussed.