NDLI: Constrained spectral clustering-based methodology for intentional controlled islanding of large-scale power systems

Content Provider	IET Digital Library
Author	Tortós, Jairo Quirós García, Rubén Sánchez Brodzki, Jacek Bialek, Janusz Terzija, Vladimir
Abstract	Intentional controlled islanding is an effective corrective approach to minimise the impact of cascading outages leading to large-area blackouts. This study proposes a novel methodology, based on ‘constrained spectral clustering’, that is computationally very efficient and determines an islanding solution with minimal power flow disruption, while ensuring that each island contains only coherent generators. The proposed methodology also enables operators to constrain any branch, which must not be disconnected, to be excluded from the islanding solution. The methodology is tested using the dynamic models of the IEEE 39- and IEEE 118-bus test systems. Time-domain simulation results for different contingencies are used to demonstrate the effectiveness of the proposed methodology to minimise the impact of cascading outages leading to large-area blackouts. In addition, a realistically sized system (a reduced model of the Great Britain network with 815 buses) is used to evaluate the efficiency and accuracy of the methodology in large-scale networks. These simulations demonstrate that the author's methodology is more efficient, in a factor of approximately 10, and more accurate than another existing approach for minimal power flow disruption.
Starting Page	31
Ending Page	42
Page Count	12
ISSN	17518687
Volume Number	9
e-ISSN	17518695
Issue Number	Issue 1, Jan (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/9/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2014.0228
Journal	IET Generation, Transmission & Distribution
Publisher Date	2014-09-03
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Cascading Outages Impact Constrained Spectral Clustering-based Methodology Distributed Power Generation Distribution Network Great Britain Network IEEE 118-bus Test System IEEE 39-bus Test System Intentional Controlled Islanding Large-area Blackout Large-scale Power System Load Flow Mathematical Analysis Minimal Power Flow Disruption Power Distribution Fault Power Distribution Reliability Realistically Sized System Reliability Time Domain Analysis Time-domain Simulation
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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