Power quality state estimation: A new concept

The need to modernise the grid to enable it to meet the needs of the future is well accepted. This has led to the Smart Grid concepts as a pathway for increasing the smartness of the electrical grid so as to meet the demands of the future. Part of this involves advances in metering infrastructure which will make a large amount of data available in the future. This necessitates using smart algorithms to take full advantage of the available data so as to improve management of the distribution system. The importance of power quality issues, due to the significant losses associated with poor power quality, has resulted in research being focused on extending the concept of state estimation techniques into power quality issues as well. This paper gives an overview of power quality state estimation and then under the umbrella of Power Quality State Estimation (PQSE) as a smart algorithm, focuses on one the most recent addition, Transient State Estimation (TSE)