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Title: Real-time event identification using synchrophasor data from selected buses
Authors: Kundu P.
Pradhan A.K.
Published in: IET Generation, Transmission and Distribution
Abstract: Events such as fault, line tripping, and load change occur frequently in a large power system. Online identification of such events can assist in the initiation of remedial measures i.e., control signals for better system performance, adjusting relay setting for more reliable protection operation in network, etc. This paper proposes a synchronized data-based method for realtime detection of events in a network to improve situational awareness. Impedance-based indices calculated using synchronized voltage and line current data obtained from the selected locations in a network are used for this purpose. A method for selection of synchrophasor measurement buses in a network is also developed. Impedance observed at various locations in a network is sensitive to any change in network condition. The proposed indices are set to analyse such variations and detect the disturbance region and type of disturbance in the network. The network is grouped into different subsystems and measurements from a set of buses are required for detecting an event. The method is developed to detect three types of events in a network: fault, line tripping and load change. Results for New England 39 bus system show the accuracy of the method in identifying disturbance events for real-time applications. © The Institution of Engineering and Technology 2017.
Citation: IET Generation, Transmission and Distribution (2018), 12(7): 1664-1671
Issue Date: 2018
Publisher: Institution of Engineering and Technology
ISSN: 17518687
Author Scopus IDs: 35475516300
Author Affiliations: Kundu, P., Department of Electrical Engineering, Indian Institute of Technology, Kharagpur, 721302, India
Pradhan, A.K., Department of Electrical Engineering, Indian Institute of Technology, Kharagpur, 721302, India
Funding Details: The authors were thankful to Department of Science and Technology (DST), New Delhi, India, for sponsoring the project, 'Advanced communication and control for the prevention of blackouts-'ACCEPT'-DST/RCUK/SEGES/2012/02(G)', through which the research was conducted.
Corresponding Author: Kundu, P.; Department of Electrical Engineering, Indian Institute of TechnologyIndia; email:
Appears in Collections:Journal Publications [CH]

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