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Optimization-based islanding of power networks using piecewise linear AC power flow

Trodden, Paul A. and Bukhsh, Waqquas Ahmed and Grothey, Andreas and McKinnon, Ken I.M. (2014) Optimization-based islanding of power networks using piecewise linear AC power flow. IEEE Transactions on Power Systems, 29 (3). pp. 1212-1220. ISSN 0885-8950

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Abstract

In this paper, a flexible optimization-based framework for intentional islanding is presented. The decision is made of which transmission lines to switch in order to split the network while minimizing disruption, the amount of load shed, or grouping coherent generators. The approach uses a piecewise linear model of AC power flow, which allows the voltage and reactive power to be considered directly when designing the islands. Demonstrations on standard test networks show that solution of the problem provides islands that are balanced in real and reactive power, satisfy AC power flow laws, and have a healthy voltage profile.