Research Trends in Online Partial Discharge Monitoring and Diagnosis Utilizing ICT in Electric Power Equipment

This article introduces the latest research trends in insulation diagnosis by PD detection that the authors have conducted. In particular, online partial discharge (PD) detection, monitoring and diagnosis technology are explained regarding the application status of online diagnosis, which are strongly requested to be applied in the field from the viewpoint of early action and cost reduction. The article also presents simulation techniques for understanding and visualization of electromagnetic wave propagation caused by PD phenomena. In addition, an online PD monitoring system (PLC-PDMS) using information and communication technology (ICT) is introduced.