M. F. Khan, A. L. Jarvis, E. A. Young, A. G. Swanson, J. C. Archer, and R. G. Stephen, “The novel design of an energy efficient superconductor-based series reactor for installation at a grid connected research site”, J. energy South. Afr., vol. 31, no. 2, pp. 19–33, Jun. 2020.