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Exact convex relaxation of OPF for radial networks using branch flow model

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3 Author(s)
Na Li ; Division of Engineering and Applied Science, California Institute of Technology, Pasadena, 91125, USA ; Lijun Chen ; Steven H. Low

The optimal power flow (OPF) problem is generally nonconvex. Recently a second-order cone relaxation for OPF has been proposed using the branch flow model. In this paper, we provide sufficient conditions under which the relaxation is exact, and demonstrate that these conditions hold for a wide class of practical power distribution systems.

Published in:

Smart Grid Communications (SmartGridComm), 2012 IEEE Third International Conference on

Date of Conference:

5-8 Nov. 2012