I. A. Grządzielski, K. Sroka, A. Kurzyński, M. Kaczmarek, D. Radsak 2017. Parallel operation of a steam turbo-generator set and hydroelectric sets in an island system formed for the National Power System recovery after catastrophic failure. Acta Energetica. 03 (Sep. 2017), 69–76. DOI:https://doi.org/10.52710/ae.191.