Detection of current transformer saturation phenomenon for secured operation of smart power network

• Published in: Electric power systems research Vol. 175; p. 105926
• Main Authors: Biswal, Sandeep, Biswal, Monalisa
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 01.10.2019; Elsevier Science Ltd
• Subjects: Computer simulation; Current transformer (CT) saturation; Digital simulation; Electricity distribution; Electricity generation; Empirical mode decomposition (EMD); Error analysis; Filtration; Instrument transformers; Saturation; Saturation detection; Second derivative Savitzky-Golay (SG) filter; Signal reconstruction; Simulation; Smart grid; Smart grid technology; Time lag; Transformers; Voltage transformers; Empirical mode decomposition (EMD); Second derivative Savitzky-Golay (SG) filter; Saturation detection; Current transformer (CT) saturation

•Current transformer saturation interval detection.•Integrated filtering approach.•Empirical mode decomposition and SG filtering.•Secondary burden and remanent flux of CT.•Operation of protective relaying. Any secured operation of smart grid highly depends on the signal transmitted through Intellige...