The parameters of the test systems: 5-bus, 33-bus, 69-bus, and 123-bus. Matpower [1] and 'case123.m' [2][3] are used.
[1] R. D. Zimmerman, C. E. Murillo-Sanchez, and R. J. Thomas, “MATPOWER: Steady-State Operations, Planning and Analysis Tools for Power Systems Research and Education,” Power Systems, IEEE Transactions on, vol. 26, no. 1, pp. 12–19, Feb. 2011. [2] L. Bobo, A. Venzke, S. Chatzivasileiadis, "Second-Order Cone Relaxations of the Optimal Power Flow for Active Distribution Grids", 2020. Available online: https://arxiv.org/abs/2001.00898 [3] W. H. Kersting, “Radial distribution test feeders,” in Conference Proceedings of the 2001 IEEE Power Engineering Society Winter Meeting, 2001. vol. 2, pp. 908–912